From 861add3d72bcfc6c6a8976eb82dc3e7b5288883e Mon Sep 17 00:00:00 2001 From: Bas van Kervel Date: Thu, 9 Jun 2016 11:44:42 +0200 Subject: [PATCH] cmd/geth: codegansta/cli package renamed to urfave/cli --- Godeps/Godeps.json | 15 +- .../cli/autocomplete/bash_autocomplete | 14 - .../cli/autocomplete/zsh_autocomplete | 5 - .../src/github.com/rs/xhandler/.travis.yml | 7 - .../src/github.com/rs/xhandler/LICENSE | 19 -- .../src/github.com/rs/xhandler/README.md | 134 -------- .../src/github.com/rs/xhandler/chain.go | 93 ------ .../src/github.com/rs/xhandler/middleware.go | 59 ---- .../src/github.com/rs/xhandler/xhandler.go | 42 --- .../urfave/cli.v1}/.travis.yml | 10 +- .../src/gopkg.in/urfave/cli.v1/CHANGELOG.md | 310 ++++++++++++++++++ .../cli => gopkg.in/urfave/cli.v1}/LICENSE | 0 .../cli => gopkg.in/urfave/cli.v1}/README.md | 291 ++++++++++++++-- .../cli => gopkg.in/urfave/cli.v1}/app.go | 225 ++++++++++--- .../urfave/cli.v1}/appveyor.yml | 0 .../src/gopkg.in/urfave/cli.v1/category.go | 44 +++ .../cli => gopkg.in/urfave/cli.v1}/cli.go | 23 +- .../cli => gopkg.in/urfave/cli.v1}/command.go | 73 +++-- .../cli => gopkg.in/urfave/cli.v1}/context.go | 116 +++++-- .../src/gopkg.in/urfave/cli.v1/errors.go | 92 ++++++ .../cli => gopkg.in/urfave/cli.v1}/flag.go | 199 ++++++++--- .../src/gopkg.in/urfave/cli.v1/funcs.go | 28 ++ .../cli => gopkg.in/urfave/cli.v1}/help.go | 112 ++++--- cmd/ethtest/main.go | 2 +- cmd/evm/main.go | 2 +- cmd/geth/accountcmd.go | 2 +- cmd/geth/chaincmd.go | 2 +- cmd/geth/consolecmd.go | 2 +- cmd/geth/main.go | 2 +- cmd/geth/monitorcmd.go | 2 +- cmd/geth/usage.go | 2 +- cmd/utils/client.go | 2 +- cmd/utils/customflags.go | 2 +- cmd/utils/flags.go | 2 +- internal/debug/flags.go | 2 +- 35 files changed, 1309 insertions(+), 626 deletions(-) delete mode 100644 Godeps/_workspace/src/github.com/codegangsta/cli/autocomplete/bash_autocomplete delete mode 100644 Godeps/_workspace/src/github.com/codegangsta/cli/autocomplete/zsh_autocomplete delete mode 100644 Godeps/_workspace/src/github.com/rs/xhandler/.travis.yml delete mode 100644 Godeps/_workspace/src/github.com/rs/xhandler/LICENSE delete mode 100644 Godeps/_workspace/src/github.com/rs/xhandler/README.md delete mode 100644 Godeps/_workspace/src/github.com/rs/xhandler/chain.go delete mode 100644 Godeps/_workspace/src/github.com/rs/xhandler/middleware.go delete mode 100644 Godeps/_workspace/src/github.com/rs/xhandler/xhandler.go rename Godeps/_workspace/src/{github.com/codegangsta/cli => gopkg.in/urfave/cli.v1}/.travis.yml (50%) create mode 100644 Godeps/_workspace/src/gopkg.in/urfave/cli.v1/CHANGELOG.md rename Godeps/_workspace/src/{github.com/codegangsta/cli => gopkg.in/urfave/cli.v1}/LICENSE (100%) rename Godeps/_workspace/src/{github.com/codegangsta/cli => gopkg.in/urfave/cli.v1}/README.md (52%) rename Godeps/_workspace/src/{github.com/codegangsta/cli => gopkg.in/urfave/cli.v1}/app.go (53%) rename Godeps/_workspace/src/{github.com/codegangsta/cli => gopkg.in/urfave/cli.v1}/appveyor.yml (100%) create mode 100644 Godeps/_workspace/src/gopkg.in/urfave/cli.v1/category.go rename Godeps/_workspace/src/{github.com/codegangsta/cli => gopkg.in/urfave/cli.v1}/cli.go (60%) rename Godeps/_workspace/src/{github.com/codegangsta/cli => gopkg.in/urfave/cli.v1}/command.go (77%) rename Godeps/_workspace/src/{github.com/codegangsta/cli => gopkg.in/urfave/cli.v1}/context.go (66%) create mode 100644 Godeps/_workspace/src/gopkg.in/urfave/cli.v1/errors.go rename Godeps/_workspace/src/{github.com/codegangsta/cli => gopkg.in/urfave/cli.v1}/flag.go (71%) create mode 100644 Godeps/_workspace/src/gopkg.in/urfave/cli.v1/funcs.go rename Godeps/_workspace/src/{github.com/codegangsta/cli => gopkg.in/urfave/cli.v1}/help.go (57%) diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json index f2694a05c..36104b456 100644 --- a/Godeps/Godeps.json +++ b/Godeps/Godeps.json @@ -1,6 +1,7 @@ { "ImportPath": "github.com/ethereum/go-ethereum", "GoVersion": "go1.5.2", + "GodepVersion": "v74", "Packages": [ "./..." ], @@ -13,11 +14,6 @@ "ImportPath": "github.com/cespare/cp", "Rev": "165db2f241fd235aec29ba6d9b1ccd5f1c14637c" }, - { - "ImportPath": "github.com/codegangsta/cli", - "Comment": "1.2.0-215-g0ab42fd", - "Rev": "0ab42fd482c27cf2c95e7794ad3bb2082c2ab2d7" - }, { "ImportPath": "github.com/davecgh/go-spew/spew", "Rev": "5215b55f46b2b919f50a1df0eaa5886afe4e3b3d" @@ -155,6 +151,10 @@ "ImportPath": "github.com/rs/cors", "Rev": "5950cf11d77f8a61b432a25dd4d444b4ced01379" }, + { + "ImportPath": "github.com/rs/xhandler", + "Rev": "d9d9599b6aaf6a058cb7b1f48291ded2cbd13390" + }, { "ImportPath": "github.com/syndtr/goleveldb/leveldb", "Rev": "917f41c560270110ceb73c5b38be2a9127387071" @@ -319,6 +319,11 @@ { "ImportPath": "gopkg.in/karalabe/cookiejar.v2/collections/prque", "Rev": "8dcd6a7f4951f6ff3ee9cbb919a06d8925822e57" + }, + { + "ImportPath": "gopkg.in/urfave/cli.v1", + "Comment": "v1.17.0", + "Rev": "01857ac33766ce0c93856370626f9799281c14f4" } ] } diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/autocomplete/bash_autocomplete b/Godeps/_workspace/src/github.com/codegangsta/cli/autocomplete/bash_autocomplete deleted file mode 100644 index 21a232f1f..000000000 --- a/Godeps/_workspace/src/github.com/codegangsta/cli/autocomplete/bash_autocomplete +++ /dev/null @@ -1,14 +0,0 @@ -#! /bin/bash - -: ${PROG:=$(basename ${BASH_SOURCE})} - -_cli_bash_autocomplete() { - local cur opts base - COMPREPLY=() - cur="${COMP_WORDS[COMP_CWORD]}" - opts=$( ${COMP_WORDS[@]:0:$COMP_CWORD} --generate-bash-completion ) - COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) ) - return 0 - } - - complete -F _cli_bash_autocomplete $PROG diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/autocomplete/zsh_autocomplete b/Godeps/_workspace/src/github.com/codegangsta/cli/autocomplete/zsh_autocomplete deleted file mode 100644 index 5430a18f9..000000000 --- a/Godeps/_workspace/src/github.com/codegangsta/cli/autocomplete/zsh_autocomplete +++ /dev/null @@ -1,5 +0,0 @@ -autoload -U compinit && compinit -autoload -U bashcompinit && bashcompinit - -script_dir=$(dirname $0) -source ${script_dir}/bash_autocomplete diff --git a/Godeps/_workspace/src/github.com/rs/xhandler/.travis.yml b/Godeps/_workspace/src/github.com/rs/xhandler/.travis.yml deleted file mode 100644 index b65c7a9f1..000000000 --- a/Godeps/_workspace/src/github.com/rs/xhandler/.travis.yml +++ /dev/null @@ -1,7 +0,0 @@ -language: go -go: -- 1.5 -- tip -matrix: - allow_failures: - - go: tip diff --git a/Godeps/_workspace/src/github.com/rs/xhandler/LICENSE b/Godeps/_workspace/src/github.com/rs/xhandler/LICENSE deleted file mode 100644 index 47c5e9d2d..000000000 --- a/Godeps/_workspace/src/github.com/rs/xhandler/LICENSE +++ /dev/null @@ -1,19 +0,0 @@ -Copyright (c) 2015 Olivier Poitrey - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is furnished -to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. diff --git a/Godeps/_workspace/src/github.com/rs/xhandler/README.md b/Godeps/_workspace/src/github.com/rs/xhandler/README.md deleted file mode 100644 index 91c594bd2..000000000 --- a/Godeps/_workspace/src/github.com/rs/xhandler/README.md +++ /dev/null @@ -1,134 +0,0 @@ -# XHandler - -[![godoc](http://img.shields.io/badge/godoc-reference-blue.svg?style=flat)](https://godoc.org/github.com/rs/xhandler) [![license](http://img.shields.io/badge/license-MIT-red.svg?style=flat)](https://raw.githubusercontent.com/rs/xhandler/master/LICENSE) [![Build Status](https://travis-ci.org/rs/xhandler.svg?branch=master)](https://travis-ci.org/rs/xhandler) [![Coverage](http://gocover.io/_badge/github.com/rs/xhandler)](http://gocover.io/github.com/rs/xhandler) - -XHandler is a bridge between [net/context](https://godoc.org/golang.org/x/net/context) and `http.Handler`. - -It lets you enforce `net/context` in your handlers without sacrificing compatibility with existing `http.Handlers` nor imposing a specific router. - -Thanks to `net/context` deadline management, `xhandler` is able to enforce a per request deadline and will cancel the context when the client closes the connection unexpectedly. - -You may create your own `net/context` aware handler pretty much the same way as you would do with http.Handler. - -Read more about xhandler on [Dailymotion engineering blog](http://engineering.dailymotion.com/our-way-to-go/). - -## Installing - - go get -u github.com/rs/xhandler - -## Usage - -```go -package main - -import ( - "log" - "net/http" - "time" - - "github.com/rs/cors" - "github.com/rs/xhandler" - "golang.org/x/net/context" -) - -type myMiddleware struct { - next xhandler.HandlerC -} - -func (h myMiddleware) ServeHTTPC(ctx context.Context, w http.ResponseWriter, r *http.Request) { - ctx = context.WithValue(ctx, "test", "World") - h.next.ServeHTTPC(ctx, w, r) -} - -func main() { - c := xhandler.Chain{} - - // Add close notifier handler so context is cancelled when the client closes - // the connection - c.UseC(xhandler.CloseHandler) - - // Add timeout handler - c.UseC(xhandler.TimeoutHandler(2 * time.Second)) - - // Middleware putting something in the context - c.UseC(func(next xhandler.HandlerC) xhandler.HandlerC { - return myMiddleware{next: next} - }) - - // Mix it with a non-context-aware middleware handler - c.Use(cors.Default().Handler) - - // Final handler (using handlerFuncC), reading from the context - xh := xhandler.HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) { - value := ctx.Value("test").(string) - w.Write([]byte("Hello " + value)) - }) - - // Bridge context aware handlers with http.Handler using xhandler.Handle() - http.Handle("/test", c.Handler(xh)) - - if err := http.ListenAndServe(":8080", nil); err != nil { - log.Fatal(err) - } -} -``` - -### Using xmux - -Xhandler comes with an optional context aware [muxer](https://github.com/rs/xmux) forked from [httprouter](https://github.com/julienschmidt/httprouter): - -```go -package main - -import ( - "fmt" - "log" - "net/http" - "time" - - "github.com/rs/xhandler" - "github.com/rs/xmux" - "golang.org/x/net/context" -) - -func main() { - c := xhandler.Chain{} - - // Append a context-aware middleware handler - c.UseC(xhandler.CloseHandler) - - // Another context-aware middleware handler - c.UseC(xhandler.TimeoutHandler(2 * time.Second)) - - mux := xmux.New() - - // Use c.Handler to terminate the chain with your final handler - mux.GET("/welcome/:name", xhandler.HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, req *http.Request) { - fmt.Fprintf(w, "Welcome %s!", xmux.Params(ctx).Get("name")) - })) - - if err := http.ListenAndServe(":8080", c.Handler(mux)); err != nil { - log.Fatal(err) - } -} -``` - -See [xmux](https://github.com/rs/xmux) for more examples. - -## Context Aware Middleware - -Here is a list of `net/context` aware middleware handlers implementing `xhandler.HandlerC` interface. - -Feel free to put up a PR linking your middleware if you have built one: - -| Middleware | Author | Description | -| ---------- | ------ | ----------- | -| [xmux](https://github.com/rs/xmux) | [Olivier Poitrey](https://github.com/rs) | HTTP request muxer | -| [xlog](https://github.com/rs/xlog) | [Olivier Poitrey](https://github.com/rs) | HTTP handler logger | -| [xstats](https://github.com/rs/xstats) | [Olivier Poitrey](https://github.com/rs) | A generic client for service instrumentation | -| [xaccess](https://github.com/rs/xaccess) | [Olivier Poitrey](https://github.com/rs) | HTTP handler access logger with [xlog](https://github.com/rs/xlog) and [xstats](https://github.com/rs/xstats) | -| [cors](https://github.com/rs/cors) | [Olivier Poitrey](https://github.com/rs) | [Cross Origin Resource Sharing](http://www.w3.org/TR/cors/) (CORS) support | - -## Licenses - -All source code is licensed under the [MIT License](https://raw.github.com/rs/xhandler/master/LICENSE). diff --git a/Godeps/_workspace/src/github.com/rs/xhandler/chain.go b/Godeps/_workspace/src/github.com/rs/xhandler/chain.go deleted file mode 100644 index 042274d17..000000000 --- a/Godeps/_workspace/src/github.com/rs/xhandler/chain.go +++ /dev/null @@ -1,93 +0,0 @@ -package xhandler - -import ( - "net/http" - - "golang.org/x/net/context" -) - -// Chain is an helper to chain middleware handlers together for an easier -// management. -type Chain []func(next HandlerC) HandlerC - -// UseC appends a context-aware handler to the middleware chain. -func (c *Chain) UseC(f func(next HandlerC) HandlerC) { - *c = append(*c, f) -} - -// Use appends a standard http.Handler to the middleware chain without -// lossing track of the context when inserted between two context aware handlers. -// -// Caveat: the f function will be called on each request so you are better to put -// any initialization sequence outside of this function. -func (c *Chain) Use(f func(next http.Handler) http.Handler) { - xf := func(next HandlerC) HandlerC { - return HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) { - n := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { - next.ServeHTTPC(ctx, w, r) - }) - f(n).ServeHTTP(w, r) - }) - } - *c = append(*c, xf) -} - -// Handler wraps the provided final handler with all the middleware appended to -// the chain and return a new standard http.Handler instance. -// The context.Background() context is injected automatically. -func (c Chain) Handler(xh HandlerC) http.Handler { - ctx := context.Background() - return c.HandlerCtx(ctx, xh) -} - -// HandlerFC is an helper to provide a function (HandlerFuncC) to Handler(). -// -// HandlerFC is equivalent to: -// c.Handler(xhandler.HandlerFuncC(xhc)) -func (c Chain) HandlerFC(xhf HandlerFuncC) http.Handler { - ctx := context.Background() - return c.HandlerCtx(ctx, HandlerFuncC(xhf)) -} - -// HandlerH is an helper to provide a standard http handler (http.HandlerFunc) -// to Handler(). Your final handler won't have access the context though. -func (c Chain) HandlerH(h http.Handler) http.Handler { - ctx := context.Background() - return c.HandlerCtx(ctx, HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) { - h.ServeHTTP(w, r) - })) -} - -// HandlerF is an helper to provide a standard http handler function -// (http.HandlerFunc) to Handler(). Your final handler won't have access -// the context though. -func (c Chain) HandlerF(hf http.HandlerFunc) http.Handler { - ctx := context.Background() - return c.HandlerCtx(ctx, HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) { - hf(w, r) - })) -} - -// HandlerCtx wraps the provided final handler with all the middleware appended to -// the chain and return a new standard http.Handler instance. -func (c Chain) HandlerCtx(ctx context.Context, xh HandlerC) http.Handler { - return New(ctx, c.HandlerC(xh)) -} - -// HandlerC wraps the provided final handler with all the middleware appended to -// the chain and returns a HandlerC instance. -func (c Chain) HandlerC(xh HandlerC) HandlerC { - for i := len(c) - 1; i >= 0; i-- { - xh = c[i](xh) - } - return xh -} - -// HandlerCF wraps the provided final handler func with all the middleware appended to -// the chain and returns a HandlerC instance. -// -// HandlerCF is equivalent to: -// c.HandlerC(xhandler.HandlerFuncC(xhc)) -func (c Chain) HandlerCF(xhc HandlerFuncC) HandlerC { - return c.HandlerC(HandlerFuncC(xhc)) -} diff --git a/Godeps/_workspace/src/github.com/rs/xhandler/middleware.go b/Godeps/_workspace/src/github.com/rs/xhandler/middleware.go deleted file mode 100644 index 5de136419..000000000 --- a/Godeps/_workspace/src/github.com/rs/xhandler/middleware.go +++ /dev/null @@ -1,59 +0,0 @@ -package xhandler - -import ( - "net/http" - "time" - - "golang.org/x/net/context" -) - -// CloseHandler returns a Handler cancelling the context when the client -// connection close unexpectedly. -func CloseHandler(next HandlerC) HandlerC { - return HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) { - // Cancel the context if the client closes the connection - if wcn, ok := w.(http.CloseNotifier); ok { - var cancel context.CancelFunc - ctx, cancel = context.WithCancel(ctx) - defer cancel() - - notify := wcn.CloseNotify() - go func() { - select { - case <-notify: - cancel() - case <-ctx.Done(): - } - }() - } - - next.ServeHTTPC(ctx, w, r) - }) -} - -// TimeoutHandler returns a Handler which adds a timeout to the context. -// -// Child handlers have the responsability to obey the context deadline and to return -// an appropriate error (or not) response in case of timeout. -func TimeoutHandler(timeout time.Duration) func(next HandlerC) HandlerC { - return func(next HandlerC) HandlerC { - return HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) { - ctx, _ = context.WithTimeout(ctx, timeout) - next.ServeHTTPC(ctx, w, r) - }) - } -} - -// If is a special handler that will skip insert the condNext handler only if a condition -// applies at runtime. -func If(cond func(ctx context.Context, w http.ResponseWriter, r *http.Request) bool, condNext func(next HandlerC) HandlerC) func(next HandlerC) HandlerC { - return func(next HandlerC) HandlerC { - return HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) { - if cond(ctx, w, r) { - condNext(next).ServeHTTPC(ctx, w, r) - } else { - next.ServeHTTPC(ctx, w, r) - } - }) - } -} diff --git a/Godeps/_workspace/src/github.com/rs/xhandler/xhandler.go b/Godeps/_workspace/src/github.com/rs/xhandler/xhandler.go deleted file mode 100644 index 718c25322..000000000 --- a/Godeps/_workspace/src/github.com/rs/xhandler/xhandler.go +++ /dev/null @@ -1,42 +0,0 @@ -// Package xhandler provides a bridge between http.Handler and net/context. -// -// xhandler enforces net/context in your handlers without sacrificing -// compatibility with existing http.Handlers nor imposing a specific router. -// -// Thanks to net/context deadline management, xhandler is able to enforce -// a per request deadline and will cancel the context in when the client close -// the connection unexpectedly. -// -// You may create net/context aware middlewares pretty much the same way as -// you would do with http.Handler. -package xhandler - -import ( - "net/http" - - "golang.org/x/net/context" -) - -// HandlerC is a net/context aware http.Handler -type HandlerC interface { - ServeHTTPC(context.Context, http.ResponseWriter, *http.Request) -} - -// HandlerFuncC type is an adapter to allow the use of ordinary functions -// as a xhandler.Handler. If f is a function with the appropriate signature, -// xhandler.HandlerFuncC(f) is a xhandler.Handler object that calls f. -type HandlerFuncC func(context.Context, http.ResponseWriter, *http.Request) - -// ServeHTTPC calls f(ctx, w, r). -func (f HandlerFuncC) ServeHTTPC(ctx context.Context, w http.ResponseWriter, r *http.Request) { - f(ctx, w, r) -} - -// New creates a conventional http.Handler injecting the provided root -// context to sub handlers. This handler is used as a bridge between conventional -// http.Handler and context aware handlers. -func New(ctx context.Context, h HandlerC) http.Handler { - return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { - h.ServeHTTPC(ctx, w, r) - }) -} diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/.travis.yml b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/.travis.yml similarity index 50% rename from Godeps/_workspace/src/github.com/codegangsta/cli/.travis.yml rename to Godeps/_workspace/src/gopkg.in/urfave/cli.v1/.travis.yml index 87ba52f98..76f38a482 100644 --- a/Godeps/_workspace/src/github.com/codegangsta/cli/.travis.yml +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/.travis.yml @@ -2,18 +2,22 @@ language: go sudo: false go: -- 1.0.3 - 1.1.2 - 1.2.2 - 1.3.3 -- 1.4.2 -- 1.5.1 +- 1.4 +- 1.5.4 +- 1.6.2 - tip matrix: allow_failures: - go: tip +before_script: +- go get github.com/meatballhat/gfmxr/... + script: - go vet ./... - go test -v ./... +- gfmxr -c $(grep -c 'package main' README.md) -s README.md diff --git a/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/CHANGELOG.md b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/CHANGELOG.md new file mode 100644 index 000000000..f623e59b7 --- /dev/null +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/CHANGELOG.md @@ -0,0 +1,310 @@ +# Change Log + +**ATTN**: This project uses [semantic versioning](http://semver.org/). + +## [Unreleased] + +## [1.17.0] - 2016-05-09 +### Added +- Pluggable flag-level help text rendering via `cli.DefaultFlagStringFunc` +- `context.GlobalBoolT` was added as an analogue to `context.GlobalBool` +- Support for hiding commands by setting `Hidden: true` -- this will hide the + commands in help output + +### Changed +- `Float64Flag`, `IntFlag`, and `DurationFlag` default values are no longer + quoted in help text output. +- All flag types now include `(default: {value})` strings following usage when a + default value can be (reasonably) detected. +- `IntSliceFlag` and `StringSliceFlag` usage strings are now more consistent + with non-slice flag types +- Apps now exit with a code of 3 if an unknown subcommand is specified + (previously they printed "No help topic for...", but still exited 0. This + makes it easier to script around apps built using `cli` since they can trust + that a 0 exit code indicated a successful execution. +- cleanups based on [Go Report Card + feedback](https://goreportcard.com/report/github.com/codegangsta/cli) + +## [1.16.0] - 2016-05-02 +### Added +- `Hidden` field on all flag struct types to omit from generated help text + +### Changed +- `BashCompletionFlag` (`--enable-bash-completion`) is now omitted from +generated help text via the `Hidden` field + +### Fixed +- handling of error values in `HandleAction` and `HandleExitCoder` + +## [1.15.0] - 2016-04-30 +### Added +- This file! +- Support for placeholders in flag usage strings +- `App.Metadata` map for arbitrary data/state management +- `Set` and `GlobalSet` methods on `*cli.Context` for altering values after +parsing. +- Support for nested lookup of dot-delimited keys in structures loaded from +YAML. + +### Changed +- The `App.Action` and `Command.Action` now prefer a return signature of +`func(*cli.Context) error`, as defined by `cli.ActionFunc`. If a non-nil +`error` is returned, there may be two outcomes: + - If the error fulfills `cli.ExitCoder`, then `os.Exit` will be called + automatically + - Else the error is bubbled up and returned from `App.Run` +- Specifying an `Action` with the legacy return signature of +`func(*cli.Context)` will produce a deprecation message to stderr +- Specifying an `Action` that is not a `func` type will produce a non-zero exit +from `App.Run` +- Specifying an `Action` func that has an invalid (input) signature will +produce a non-zero exit from `App.Run` + +### Deprecated +- +`cli.App.RunAndExitOnError`, which should now be done by returning an error +that fulfills `cli.ExitCoder` to `cli.App.Run`. +- the legacy signature for +`cli.App.Action` of `func(*cli.Context)`, which should now have a return +signature of `func(*cli.Context) error`, as defined by `cli.ActionFunc`. + +### Fixed +- Added missing `*cli.Context.GlobalFloat64` method + +## [1.14.0] - 2016-04-03 (backfilled 2016-04-25) +### Added +- Codebeat badge +- Support for categorization via `CategorizedHelp` and `Categories` on app. + +### Changed +- Use `filepath.Base` instead of `path.Base` in `Name` and `HelpName`. + +### Fixed +- Ensure version is not shown in help text when `HideVersion` set. + +## [1.13.0] - 2016-03-06 (backfilled 2016-04-25) +### Added +- YAML file input support. +- `NArg` method on context. + +## [1.12.0] - 2016-02-17 (backfilled 2016-04-25) +### Added +- Custom usage error handling. +- Custom text support in `USAGE` section of help output. +- Improved help messages for empty strings. +- AppVeyor CI configuration. + +### Changed +- Removed `panic` from default help printer func. +- De-duping and optimizations. + +### Fixed +- Correctly handle `Before`/`After` at command level when no subcommands. +- Case of literal `-` argument causing flag reordering. +- Environment variable hints on Windows. +- Docs updates. + +## [1.11.1] - 2015-12-21 (backfilled 2016-04-25) +### Changed +- Use `path.Base` in `Name` and `HelpName` +- Export `GetName` on flag types. + +### Fixed +- Flag parsing when skipping is enabled. +- Test output cleanup. +- Move completion check to account for empty input case. + +## [1.11.0] - 2015-11-15 (backfilled 2016-04-25) +### Added +- Destination scan support for flags. +- Testing against `tip` in Travis CI config. + +### Changed +- Go version in Travis CI config. + +### Fixed +- Removed redundant tests. +- Use correct example naming in tests. + +## [1.10.2] - 2015-10-29 (backfilled 2016-04-25) +### Fixed +- Remove unused var in bash completion. + +## [1.10.1] - 2015-10-21 (backfilled 2016-04-25) +### Added +- Coverage and reference logos in README. + +### Fixed +- Use specified values in help and version parsing. +- Only display app version and help message once. + +## [1.10.0] - 2015-10-06 (backfilled 2016-04-25) +### Added +- More tests for existing functionality. +- `ArgsUsage` at app and command level for help text flexibility. + +### Fixed +- Honor `HideHelp` and `HideVersion` in `App.Run`. +- Remove juvenile word from README. + +## [1.9.0] - 2015-09-08 (backfilled 2016-04-25) +### Added +- `FullName` on command with accompanying help output update. +- Set default `$PROG` in bash completion. + +### Changed +- Docs formatting. + +### Fixed +- Removed self-referential imports in tests. + +## [1.8.0] - 2015-06-30 (backfilled 2016-04-25) +### Added +- Support for `Copyright` at app level. +- `Parent` func at context level to walk up context lineage. + +### Fixed +- Global flag processing at top level. + +## [1.7.1] - 2015-06-11 (backfilled 2016-04-25) +### Added +- Aggregate errors from `Before`/`After` funcs. +- Doc comments on flag structs. +- Include non-global flags when checking version and help. +- Travis CI config updates. + +### Fixed +- Ensure slice type flags have non-nil values. +- Collect global flags from the full command hierarchy. +- Docs prose. + +## [1.7.0] - 2015-05-03 (backfilled 2016-04-25) +### Changed +- `HelpPrinter` signature includes output writer. + +### Fixed +- Specify go 1.1+ in docs. +- Set `Writer` when running command as app. + +## [1.6.0] - 2015-03-23 (backfilled 2016-04-25) +### Added +- Multiple author support. +- `NumFlags` at context level. +- `Aliases` at command level. + +### Deprecated +- `ShortName` at command level. + +### Fixed +- Subcommand help output. +- Backward compatible support for deprecated `Author` and `Email` fields. +- Docs regarding `Names`/`Aliases`. + +## [1.5.0] - 2015-02-20 (backfilled 2016-04-25) +### Added +- `After` hook func support at app and command level. + +### Fixed +- Use parsed context when running command as subcommand. +- Docs prose. + +## [1.4.1] - 2015-01-09 (backfilled 2016-04-25) +### Added +- Support for hiding `-h / --help` flags, but not `help` subcommand. +- Stop flag parsing after `--`. + +### Fixed +- Help text for generic flags to specify single value. +- Use double quotes in output for defaults. +- Use `ParseInt` instead of `ParseUint` for int environment var values. +- Use `0` as base when parsing int environment var values. + +## [1.4.0] - 2014-12-12 (backfilled 2016-04-25) +### Added +- Support for environment variable lookup "cascade". +- Support for `Stdout` on app for output redirection. + +### Fixed +- Print command help instead of app help in `ShowCommandHelp`. + +## [1.3.1] - 2014-11-13 (backfilled 2016-04-25) +### Added +- Docs and example code updates. + +### Changed +- Default `-v / --version` flag made optional. + +## [1.3.0] - 2014-08-10 (backfilled 2016-04-25) +### Added +- `FlagNames` at context level. +- Exposed `VersionPrinter` var for more control over version output. +- Zsh completion hook. +- `AUTHOR` section in default app help template. +- Contribution guidelines. +- `DurationFlag` type. + +## [1.2.0] - 2014-08-02 +### Added +- Support for environment variable defaults on flags plus tests. + +## [1.1.0] - 2014-07-15 +### Added +- Bash completion. +- Optional hiding of built-in help command. +- Optional skipping of flag parsing at command level. +- `Author`, `Email`, and `Compiled` metadata on app. +- `Before` hook func support at app and command level. +- `CommandNotFound` func support at app level. +- Command reference available on context. +- `GenericFlag` type. +- `Float64Flag` type. +- `BoolTFlag` type. +- `IsSet` flag helper on context. +- More flag lookup funcs at context level. +- More tests & docs. + +### Changed +- Help template updates to account for presence/absence of flags. +- Separated subcommand help template. +- Exposed `HelpPrinter` var for more control over help output. + +## [1.0.0] - 2013-11-01 +### Added +- `help` flag in default app flag set and each command flag set. +- Custom handling of argument parsing errors. +- Command lookup by name at app level. +- `StringSliceFlag` type and supporting `StringSlice` type. +- `IntSliceFlag` type and supporting `IntSlice` type. +- Slice type flag lookups by name at context level. +- Export of app and command help functions. +- More tests & docs. + +## 0.1.0 - 2013-07-22 +### Added +- Initial implementation. + +[Unreleased]: https://github.com/codegangsta/cli/compare/v1.17.0...HEAD +[1.17.0]: https://github.com/codegangsta/cli/compare/v1.16.0...v1.17.0 +[1.16.0]: https://github.com/codegangsta/cli/compare/v1.15.0...v1.16.0 +[1.15.0]: https://github.com/codegangsta/cli/compare/v1.14.0...v1.15.0 +[1.14.0]: https://github.com/codegangsta/cli/compare/v1.13.0...v1.14.0 +[1.13.0]: https://github.com/codegangsta/cli/compare/v1.12.0...v1.13.0 +[1.12.0]: https://github.com/codegangsta/cli/compare/v1.11.1...v1.12.0 +[1.11.1]: https://github.com/codegangsta/cli/compare/v1.11.0...v1.11.1 +[1.11.0]: https://github.com/codegangsta/cli/compare/v1.10.2...v1.11.0 +[1.10.2]: https://github.com/codegangsta/cli/compare/v1.10.1...v1.10.2 +[1.10.1]: https://github.com/codegangsta/cli/compare/v1.10.0...v1.10.1 +[1.10.0]: https://github.com/codegangsta/cli/compare/v1.9.0...v1.10.0 +[1.9.0]: https://github.com/codegangsta/cli/compare/v1.8.0...v1.9.0 +[1.8.0]: https://github.com/codegangsta/cli/compare/v1.7.1...v1.8.0 +[1.7.1]: https://github.com/codegangsta/cli/compare/v1.7.0...v1.7.1 +[1.7.0]: https://github.com/codegangsta/cli/compare/v1.6.0...v1.7.0 +[1.6.0]: https://github.com/codegangsta/cli/compare/v1.5.0...v1.6.0 +[1.5.0]: https://github.com/codegangsta/cli/compare/v1.4.1...v1.5.0 +[1.4.1]: https://github.com/codegangsta/cli/compare/v1.4.0...v1.4.1 +[1.4.0]: https://github.com/codegangsta/cli/compare/v1.3.1...v1.4.0 +[1.3.1]: https://github.com/codegangsta/cli/compare/v1.3.0...v1.3.1 +[1.3.0]: https://github.com/codegangsta/cli/compare/v1.2.0...v1.3.0 +[1.2.0]: https://github.com/codegangsta/cli/compare/v1.1.0...v1.2.0 +[1.1.0]: https://github.com/codegangsta/cli/compare/v1.0.0...v1.1.0 +[1.0.0]: https://github.com/codegangsta/cli/compare/v0.1.0...v1.0.0 diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/LICENSE b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/LICENSE similarity index 100% rename from Godeps/_workspace/src/github.com/codegangsta/cli/LICENSE rename to Godeps/_workspace/src/gopkg.in/urfave/cli.v1/LICENSE diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/README.md b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/README.md similarity index 52% rename from Godeps/_workspace/src/github.com/codegangsta/cli/README.md rename to Godeps/_workspace/src/gopkg.in/urfave/cli.v1/README.md index ae0a4ca3a..c1709cef8 100644 --- a/Godeps/_workspace/src/github.com/codegangsta/cli/README.md +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/README.md @@ -1,22 +1,24 @@ [![Coverage](http://gocover.io/_badge/github.com/codegangsta/cli?0)](http://gocover.io/github.com/codegangsta/cli) [![Build Status](https://travis-ci.org/codegangsta/cli.svg?branch=master)](https://travis-ci.org/codegangsta/cli) [![GoDoc](https://godoc.org/github.com/codegangsta/cli?status.svg)](https://godoc.org/github.com/codegangsta/cli) +[![codebeat](https://codebeat.co/badges/0a8f30aa-f975-404b-b878-5fab3ae1cc5f)](https://codebeat.co/projects/github-com-codegangsta-cli) +[![Go Report Card](https://goreportcard.com/badge/codegangsta/cli)](https://goreportcard.com/report/codegangsta/cli) -# cli.go +# cli -`cli.go` is simple, fast, and fun package for building command line apps in Go. The goal is to enable developers to write fast and distributable command line applications in an expressive way. +cli is a simple, fast, and fun package for building command line apps in Go. The goal is to enable developers to write fast and distributable command line applications in an expressive way. ## Overview Command line apps are usually so tiny that there is absolutely no reason why your code should *not* be self-documenting. Things like generating help text and parsing command flags/options should not hinder productivity when writing a command line app. -**This is where `cli.go` comes into play.** `cli.go` makes command line programming fun, organized, and expressive! +**This is where cli comes into play.** cli makes command line programming fun, organized, and expressive! ## Installation Make sure you have a working Go environment (go 1.1+ is *required*). [See the install instructions](http://golang.org/doc/install.html). -To install `cli.go`, simply run: +To install cli, simply run: ``` $ go get github.com/codegangsta/cli ``` @@ -28,7 +30,7 @@ export PATH=$PATH:$GOPATH/bin ## Getting Started -One of the philosophies behind `cli.go` is that an API should be playful and full of discovery. So a `cli.go` app can be as little as one line of code in `main()`. +One of the philosophies behind cli is that an API should be playful and full of discovery. So a cli app can be as little as one line of code in `main()`. ``` go package main @@ -45,11 +47,16 @@ func main() { This app will run and show help text, but is not very useful. Let's give an action to execute and some help documentation: + ``` go package main import ( + "fmt" "os" + "github.com/codegangsta/cli" ) @@ -57,10 +64,11 @@ func main() { app := cli.NewApp() app.Name = "boom" app.Usage = "make an explosive entrance" - app.Action = func(c *cli.Context) { - println("boom! I say!") + app.Action = func(c *cli.Context) error { + fmt.Println("boom! I say!") + return nil } - + app.Run(os.Args) } ``` @@ -73,11 +81,16 @@ Being a programmer can be a lonely job. Thankfully by the power of automation th Start by creating a directory named `greet`, and within it, add a file, `greet.go` with the following code in it: + ``` go package main import ( + "fmt" "os" + "github.com/codegangsta/cli" ) @@ -85,8 +98,9 @@ func main() { app := cli.NewApp() app.Name = "greet" app.Usage = "fight the loneliness!" - app.Action = func(c *cli.Context) { - println("Hello friend!") + app.Action = func(c *cli.Context) error { + fmt.Println("Hello friend!") + return nil } app.Run(os.Args) @@ -106,7 +120,7 @@ $ greet Hello friend! ``` -`cli.go` also generates neat help text: +cli also generates neat help text: ``` $ greet help @@ -132,8 +146,9 @@ You can lookup arguments by calling the `Args` function on `cli.Context`. ``` go ... -app.Action = func(c *cli.Context) { - println("Hello", c.Args()[0]) +app.Action = func(c *cli.Context) error { + fmt.Println("Hello", c.Args()[0]) + return nil } ... ``` @@ -151,16 +166,17 @@ app.Flags = []cli.Flag { Usage: "language for the greeting", }, } -app.Action = func(c *cli.Context) { +app.Action = func(c *cli.Context) error { name := "someone" - if len(c.Args()) > 0 { + if c.NArg() > 0 { name = c.Args()[0] } if c.String("lang") == "spanish" { - println("Hola", name) + fmt.Println("Hola", name) } else { - println("Hello", name) + fmt.Println("Hello", name) } + return nil } ... ``` @@ -178,22 +194,45 @@ app.Flags = []cli.Flag { Destination: &language, }, } -app.Action = func(c *cli.Context) { +app.Action = func(c *cli.Context) error { name := "someone" - if len(c.Args()) > 0 { + if c.NArg() > 0 { name = c.Args()[0] } if language == "spanish" { - println("Hola", name) + fmt.Println("Hola", name) } else { - println("Hello", name) + fmt.Println("Hello", name) } + return nil } ... ``` See full list of flags at http://godoc.org/github.com/codegangsta/cli +#### Placeholder Values + +Sometimes it's useful to specify a flag's value within the usage string itself. Such placeholders are +indicated with back quotes. + +For example this: + +```go +cli.StringFlag{ + Name: "config, c", + Usage: "Load configuration from `FILE`", +} +``` + +Will result in help output like: + +``` +--config FILE, -c FILE Load configuration from FILE +``` + +Note that only the first placeholder is used. Subsequent back-quoted words will be left as-is. + #### Alternate Names You can set alternate (or short) names for flags by providing a comma-delimited list for the `Name`. e.g. @@ -238,6 +277,49 @@ app.Flags = []cli.Flag { } ``` +#### Values from alternate input sources (YAML and others) + +There is a separate package altsrc that adds support for getting flag values from other input sources like YAML. + +In order to get values for a flag from an alternate input source the following code would be added to wrap an existing cli.Flag like below: + +``` go + altsrc.NewIntFlag(cli.IntFlag{Name: "test"}) +``` + +Initialization must also occur for these flags. Below is an example initializing getting data from a yaml file below. + +``` go + command.Before = altsrc.InitInputSourceWithContext(command.Flags, NewYamlSourceFromFlagFunc("load")) +``` + +The code above will use the "load" string as a flag name to get the file name of a yaml file from the cli.Context. +It will then use that file name to initialize the yaml input source for any flags that are defined on that command. +As a note the "load" flag used would also have to be defined on the command flags in order for this code snipped to work. + +Currently only YAML files are supported but developers can add support for other input sources by implementing the +altsrc.InputSourceContext for their given sources. + +Here is a more complete sample of a command using YAML support: + +``` go + command := &cli.Command{ + Name: "test-cmd", + Aliases: []string{"tc"}, + Usage: "this is for testing", + Description: "testing", + Action: func(c *cli.Context) error { + // Action to run + return nil + }, + Flags: []cli.Flag{ + NewIntFlag(cli.IntFlag{Name: "test"}), + cli.StringFlag{Name: "load"}}, + } + command.Before = InitInputSourceWithContext(command.Flags, NewYamlSourceFromFlagFunc("load")) + err := command.Run(c) +``` + ### Subcommands Subcommands can be defined for a more git-like command line app. @@ -249,16 +331,18 @@ app.Commands = []cli.Command{ Name: "add", Aliases: []string{"a"}, Usage: "add a task to the list", - Action: func(c *cli.Context) { - println("added task: ", c.Args().First()) + Action: func(c *cli.Context) error { + fmt.Println("added task: ", c.Args().First()) + return nil }, }, { Name: "complete", Aliases: []string{"c"}, Usage: "complete a task on the list", - Action: func(c *cli.Context) { - println("completed task: ", c.Args().First()) + Action: func(c *cli.Context) error { + fmt.Println("completed task: ", c.Args().First()) + return nil }, }, { @@ -269,15 +353,17 @@ app.Commands = []cli.Command{ { Name: "add", Usage: "add a new template", - Action: func(c *cli.Context) { - println("new task template: ", c.Args().First()) + Action: func(c *cli.Context) error { + fmt.Println("new task template: ", c.Args().First()) + return nil }, }, { Name: "remove", Usage: "remove an existing template", - Action: func(c *cli.Context) { - println("removed task template: ", c.Args().First()) + Action: func(c *cli.Context) error { + fmt.Println("removed task template: ", c.Args().First()) + return nil }, }, }, @@ -286,6 +372,80 @@ app.Commands = []cli.Command{ ... ``` +### Subcommands categories + +For additional organization in apps that have many subcommands, you can +associate a category for each command to group them together in the help +output. + +E.g. + +```go +... + app.Commands = []cli.Command{ + { + Name: "noop", + }, + { + Name: "add", + Category: "template", + }, + { + Name: "remove", + Category: "template", + }, + } +... +``` + +Will include: + +``` +... +COMMANDS: + noop + + Template actions: + add + remove +... +``` + +### Exit code + +Calling `App.Run` will not automatically call `os.Exit`, which means that by +default the exit code will "fall through" to being `0`. An explicit exit code +may be set by returning a non-nil error that fulfills `cli.ExitCoder`, *or* a +`cli.MultiError` that includes an error that fulfills `cli.ExitCoder`, e.g.: + +``` go +package main + +import ( + "os" + + "github.com/codegangsta/cli" +) + +func main() { + app := cli.NewApp() + app.Flags = []cli.Flag{ + cli.BoolTFlag{ + Name: "ginger-crouton", + Usage: "is it in the soup?", + }, + } + app.Action = func(ctx *cli.Context) error { + if !ctx.Bool("ginger-crouton") { + return cli.NewExitError("it is not in the soup", 86) + } + return nil + } + + app.Run(os.Args) +} +``` + ### Bash Completion You can enable completion commands by setting the `EnableBashCompletion` @@ -303,12 +463,13 @@ app.Commands = []cli.Command{ Name: "complete", Aliases: []string{"c"}, Usage: "complete a task on the list", - Action: func(c *cli.Context) { - println("completed task: ", c.Args().First()) + Action: func(c *cli.Context) error { + fmt.Println("completed task: ", c.Args().First()) + return nil }, BashComplete: func(c *cli.Context) { // This will complete if no args are passed - if len(c.Args()) > 0 { + if c.NArg() > 0 { return } for _, t := range tasks { @@ -343,6 +504,72 @@ Alternatively, you can just document that users should source the generic `autocomplete/bash_autocomplete` in their bash configuration with `$PROG` set to the name of their program (as above). +### Generated Help Text Customization + +All of the help text generation may be customized, and at multiple levels. The +templates are exposed as variables `AppHelpTemplate`, `CommandHelpTemplate`, and +`SubcommandHelpTemplate` which may be reassigned or augmented, and full override +is possible by assigning a compatible func to the `cli.HelpPrinter` variable, +e.g.: + + +``` go +package main + +import ( + "fmt" + "io" + "os" + + "github.com/codegangsta/cli" +) + +func main() { + // EXAMPLE: Append to an existing template + cli.AppHelpTemplate = fmt.Sprintf(`%s + +WEBSITE: http://awesometown.example.com + +SUPPORT: support@awesometown.example.com + +`, cli.AppHelpTemplate) + + // EXAMPLE: Override a template + cli.AppHelpTemplate = `NAME: + {{.Name}} - {{.Usage}} +USAGE: + {{.HelpName}} {{if .VisibleFlags}}[global options]{{end}}{{if .Commands}} command +[command options]{{end}} {{if +.ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}} + {{if len .Authors}} +AUTHOR(S): + {{range .Authors}}{{ . }}{{end}} + {{end}}{{if .Commands}} +COMMANDS: +{{range .Commands}}{{if not .HideHelp}} {{join .Names ", "}}{{ "\t" +}}{{.Usage}}{{ "\n" }}{{end}}{{end}}{{end}}{{if .VisibleFlags}} +GLOBAL OPTIONS: + {{range .VisibleFlags}}{{.}} + {{end}}{{end}}{{if .Copyright }} +COPYRIGHT: + {{.Copyright}} + {{end}}{{if .Version}} +VERSION: + {{.Version}} + {{end}} +` + + // EXAMPLE: Replace the `HelpPrinter` func + cli.HelpPrinter = func(w io.Writer, templ string, data interface{}) { + fmt.Println("Ha HA. I pwnd the help!!1") + } + + cli.NewApp().Run(os.Args) +} +``` + ## Contribution Guidelines Feel free to put up a pull request to fix a bug or maybe add a feature. I will give it a code review and make sure that it does not break backwards compatibility. If I or any other collaborators agree that it is in line with the vision of the project, we will work with you to get the code into a mergeable state and merge it into the master branch. diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/app.go b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/app.go similarity index 53% rename from Godeps/_workspace/src/github.com/codegangsta/cli/app.go rename to Godeps/_workspace/src/gopkg.in/urfave/cli.v1/app.go index 1ea3fd0b1..7c9b95804 100644 --- a/Godeps/_workspace/src/github.com/codegangsta/cli/app.go +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/app.go @@ -5,10 +5,27 @@ import ( "io" "io/ioutil" "os" - "path" + "path/filepath" + "reflect" + "sort" "time" ) +var ( + changeLogURL = "https://github.com/codegangsta/cli/blob/master/CHANGELOG.md" + appActionDeprecationURL = fmt.Sprintf("%s#deprecated-cli-app-action-signature", changeLogURL) + runAndExitOnErrorDeprecationURL = fmt.Sprintf("%s#deprecated-cli-app-runandexitonerror", changeLogURL) + + contactSysadmin = "This is an error in the application. Please contact the distributor of this application if this is not you." + + errNonFuncAction = NewExitError("ERROR invalid Action type. "+ + fmt.Sprintf("Must be a func of type `cli.ActionFunc`. %s", contactSysadmin)+ + fmt.Sprintf("See %s", appActionDeprecationURL), 2) + errInvalidActionSignature = NewExitError("ERROR invalid Action signature. "+ + fmt.Sprintf("Must be `cli.ActionFunc`. %s", contactSysadmin)+ + fmt.Sprintf("See %s", appActionDeprecationURL), 2) +) + // App is the main structure of a cli application. It is recommended that // an app be created with the cli.NewApp() function type App struct { @@ -32,24 +49,27 @@ type App struct { EnableBashCompletion bool // Boolean to hide built-in help command HideHelp bool - // Boolean to hide built-in version flag + // Boolean to hide built-in version flag and the VERSION section of help HideVersion bool + // Populate on app startup, only gettable through method Categories() + categories CommandCategories // An action to execute when the bash-completion flag is set - BashComplete func(context *Context) + BashComplete BashCompleteFunc // An action to execute before any subcommands are run, but after the context is ready // If a non-nil error is returned, no subcommands are run - Before func(context *Context) error + Before BeforeFunc // An action to execute after any subcommands are run, but after the subcommand has finished // It is run even if Action() panics - After func(context *Context) error + After AfterFunc // The action to execute when no subcommands are specified - Action func(context *Context) + Action interface{} + // TODO: replace `Action: interface{}` with `Action: ActionFunc` once some kind + // of deprecation period has passed, maybe? + // Execute this function if the proper command cannot be found - CommandNotFound func(context *Context, command string) - // Execute this function, if an usage error occurs. This is useful for displaying customized usage error messages. - // This function is able to replace the original error messages. - // If this function is not set, the "Incorrect usage" is displayed and the execution is interrupted. - OnUsageError func(context *Context, err error, isSubcommand bool) error + CommandNotFound CommandNotFoundFunc + // Execute this function if an usage error occurs + OnUsageError OnUsageErrorFunc // Compilation date Compiled time.Time // List of all authors who contributed @@ -62,6 +82,12 @@ type App struct { Email string // Writer writer to write output to Writer io.Writer + // ErrWriter writes error output + ErrWriter io.Writer + // Other custom info + Metadata map[string]interface{} + + didSetup bool } // Tries to find out when this binary was compiled. @@ -74,11 +100,12 @@ func compileTime() time.Time { return info.ModTime() } -// Creates a new cli Application with some reasonable defaults for Name, Usage, Version and Action. +// NewApp creates a new cli Application with some reasonable defaults for Name, +// Usage, Version and Action. func NewApp() *App { return &App{ - Name: path.Base(os.Args[0]), - HelpName: path.Base(os.Args[0]), + Name: filepath.Base(os.Args[0]), + HelpName: filepath.Base(os.Args[0]), Usage: "A new cli application", UsageText: "", Version: "0.0.0", @@ -89,8 +116,16 @@ func NewApp() *App { } } -// Entry point to the cli app. Parses the arguments slice and routes to the proper flag/args combination -func (a *App) Run(arguments []string) (err error) { +// Setup runs initialization code to ensure all data structures are ready for +// `Run` or inspection prior to `Run`. It is internally called by `Run`, but +// will return early if setup has already happened. +func (a *App) Setup() { + if a.didSetup { + return + } + + a.didSetup = true + if a.Author != "" || a.Email != "" { a.Authors = append(a.Authors, Author{Name: a.Author, Email: a.Email}) } @@ -104,6 +139,12 @@ func (a *App) Run(arguments []string) (err error) { } a.Commands = newCmds + a.categories = CommandCategories{} + for _, command := range a.Commands { + a.categories = a.categories.AddCommand(command.Category, command) + } + sort.Sort(a.categories) + // append help to commands if a.Command(helpCommand.Name) == nil && !a.HideHelp { a.Commands = append(a.Commands, helpCommand) @@ -120,6 +161,12 @@ func (a *App) Run(arguments []string) (err error) { if !a.HideVersion { a.appendFlag(VersionFlag) } +} + +// Run is the entry point to the cli app. Parses the arguments slice and routes +// to the proper flag/args combination +func (a *App) Run(arguments []string) (err error) { + a.Setup() // parse flags set := flagSet(a.Name, a.Flags) @@ -140,12 +187,12 @@ func (a *App) Run(arguments []string) (err error) { if err != nil { if a.OnUsageError != nil { err := a.OnUsageError(context, err, false) - return err - } else { - fmt.Fprintf(a.Writer, "%s\n\n", "Incorrect Usage.") - ShowAppHelp(context) + HandleExitCoder(err) return err } + fmt.Fprintf(a.Writer, "%s\n\n", "Incorrect Usage.") + ShowAppHelp(context) + return err } if !a.HideHelp && checkHelp(context) { @@ -171,10 +218,12 @@ func (a *App) Run(arguments []string) (err error) { } if a.Before != nil { - err = a.Before(context) - if err != nil { - fmt.Fprintf(a.Writer, "%v\n\n", err) + beforeErr := a.Before(context) + if beforeErr != nil { + fmt.Fprintf(a.Writer, "%v\n\n", beforeErr) ShowAppHelp(context) + HandleExitCoder(beforeErr) + err = beforeErr return err } } @@ -189,19 +238,25 @@ func (a *App) Run(arguments []string) (err error) { } // Run default Action - a.Action(context) - return nil + err = HandleAction(a.Action, context) + + HandleExitCoder(err) + return err } -// Another entry point to the cli app, takes care of passing arguments and error handling +// DEPRECATED: Another entry point to the cli app, takes care of passing arguments and error handling func (a *App) RunAndExitOnError() { + fmt.Fprintf(a.errWriter(), + "DEPRECATED cli.App.RunAndExitOnError. %s See %s\n", + contactSysadmin, runAndExitOnErrorDeprecationURL) if err := a.Run(os.Args); err != nil { - fmt.Fprintln(os.Stderr, err) - os.Exit(1) + fmt.Fprintln(a.errWriter(), err) + OsExiter(1) } } -// Invokes the subcommand given the context, parses ctx.Args() to generate command-specific flags +// RunAsSubcommand invokes the subcommand given the context, parses ctx.Args() to +// generate command-specific flags func (a *App) RunAsSubcommand(ctx *Context) (err error) { // append help to commands if len(a.Commands) > 0 { @@ -252,12 +307,12 @@ func (a *App) RunAsSubcommand(ctx *Context) (err error) { if err != nil { if a.OnUsageError != nil { err = a.OnUsageError(context, err, true) - return err - } else { - fmt.Fprintf(a.Writer, "%s\n\n", "Incorrect Usage.") - ShowSubcommandHelp(context) + HandleExitCoder(err) return err } + fmt.Fprintf(a.Writer, "%s\n\n", "Incorrect Usage.") + ShowSubcommandHelp(context) + return err } if len(a.Commands) > 0 { @@ -274,6 +329,7 @@ func (a *App) RunAsSubcommand(ctx *Context) (err error) { defer func() { afterErr := a.After(context) if afterErr != nil { + HandleExitCoder(err) if err != nil { err = NewMultiError(err, afterErr) } else { @@ -284,8 +340,10 @@ func (a *App) RunAsSubcommand(ctx *Context) (err error) { } if a.Before != nil { - err := a.Before(context) - if err != nil { + beforeErr := a.Before(context) + if beforeErr != nil { + HandleExitCoder(beforeErr) + err = beforeErr return err } } @@ -300,12 +358,13 @@ func (a *App) RunAsSubcommand(ctx *Context) (err error) { } // Run default Action - a.Action(context) + err = HandleAction(a.Action, context) - return nil + HandleExitCoder(err) + return err } -// Returns the named command on App. Returns nil if the command does not exist +// Command returns the named command on App. Returns nil if the command does not exist func (a *App) Command(name string) *Command { for _, c := range a.Commands { if c.HasName(name) { @@ -316,6 +375,46 @@ func (a *App) Command(name string) *Command { return nil } +// Categories returns a slice containing all the categories with the commands they contain +func (a *App) Categories() CommandCategories { + return a.categories +} + +// VisibleCategories returns a slice of categories and commands that are +// Hidden=false +func (a *App) VisibleCategories() []*CommandCategory { + ret := []*CommandCategory{} + for _, category := range a.categories { + if visible := func() *CommandCategory { + for _, command := range category.Commands { + if !command.Hidden { + return category + } + } + return nil + }(); visible != nil { + ret = append(ret, visible) + } + } + return ret +} + +// VisibleCommands returns a slice of the Commands with Hidden=false +func (a *App) VisibleCommands() []Command { + ret := []Command{} + for _, command := range a.Commands { + if !command.Hidden { + ret = append(ret, command) + } + } + return ret +} + +// VisibleFlags returns a slice of the Flags with Hidden=false +func (a *App) VisibleFlags() []Flag { + return visibleFlags(a.Flags) +} + func (a *App) hasFlag(flag Flag) bool { for _, f := range a.Flags { if flag == f { @@ -326,6 +425,16 @@ func (a *App) hasFlag(flag Flag) bool { return false } +func (a *App) errWriter() io.Writer { + + // When the app ErrWriter is nil use the package level one. + if a.ErrWriter == nil { + return ErrWriter + } + + return a.ErrWriter +} + func (a *App) appendFlag(flag Flag) { if !a.hasFlag(flag) { a.Flags = append(a.Flags, flag) @@ -347,3 +456,43 @@ func (a Author) String() string { return fmt.Sprintf("%v %v", a.Name, e) } + +// HandleAction uses ✧✧✧reflection✧✧✧ to figure out if the given Action is an +// ActionFunc, a func with the legacy signature for Action, or some other +// invalid thing. If it's an ActionFunc or a func with the legacy signature for +// Action, the func is run! +func HandleAction(action interface{}, context *Context) (err error) { + defer func() { + if r := recover(); r != nil { + switch r.(type) { + case error: + err = r.(error) + default: + err = NewExitError(fmt.Sprintf("ERROR unknown Action error: %v. See %s", r, appActionDeprecationURL), 2) + } + } + }() + + if reflect.TypeOf(action).Kind() != reflect.Func { + return errNonFuncAction + } + + vals := reflect.ValueOf(action).Call([]reflect.Value{reflect.ValueOf(context)}) + + if len(vals) == 0 { + fmt.Fprintf(ErrWriter, + "DEPRECATED Action signature. Must be `cli.ActionFunc`. %s See %s\n", + contactSysadmin, appActionDeprecationURL) + return nil + } + + if len(vals) > 1 { + return errInvalidActionSignature + } + + if retErr, ok := vals[0].Interface().(error); vals[0].IsValid() && ok { + return retErr + } + + return err +} diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/appveyor.yml b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/appveyor.yml similarity index 100% rename from Godeps/_workspace/src/github.com/codegangsta/cli/appveyor.yml rename to Godeps/_workspace/src/gopkg.in/urfave/cli.v1/appveyor.yml diff --git a/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/category.go b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/category.go new file mode 100644 index 000000000..1a6055023 --- /dev/null +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/category.go @@ -0,0 +1,44 @@ +package cli + +// CommandCategories is a slice of *CommandCategory. +type CommandCategories []*CommandCategory + +// CommandCategory is a category containing commands. +type CommandCategory struct { + Name string + Commands Commands +} + +func (c CommandCategories) Less(i, j int) bool { + return c[i].Name < c[j].Name +} + +func (c CommandCategories) Len() int { + return len(c) +} + +func (c CommandCategories) Swap(i, j int) { + c[i], c[j] = c[j], c[i] +} + +// AddCommand adds a command to a category. +func (c CommandCategories) AddCommand(category string, command Command) CommandCategories { + for _, commandCategory := range c { + if commandCategory.Name == category { + commandCategory.Commands = append(commandCategory.Commands, command) + return c + } + } + return append(c, &CommandCategory{Name: category, Commands: []Command{command}}) +} + +// VisibleCommands returns a slice of the Commands with Hidden=false +func (c *CommandCategory) VisibleCommands() []Command { + ret := []Command{} + for _, command := range c.Commands { + if !command.Hidden { + ret = append(ret, command) + } + } + return ret +} diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/cli.go b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/cli.go similarity index 60% rename from Godeps/_workspace/src/github.com/codegangsta/cli/cli.go rename to Godeps/_workspace/src/gopkg.in/urfave/cli.v1/cli.go index 31dc9124d..f0440c563 100644 --- a/Godeps/_workspace/src/github.com/codegangsta/cli/cli.go +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/cli.go @@ -10,31 +10,10 @@ // app := cli.NewApp() // app.Name = "greet" // app.Usage = "say a greeting" -// app.Action = func(c *cli.Context) { +// app.Action = func(c *cli.Context) error { // println("Greetings") // } // // app.Run(os.Args) // } package cli - -import ( - "strings" -) - -type MultiError struct { - Errors []error -} - -func NewMultiError(err ...error) MultiError { - return MultiError{Errors: err} -} - -func (m MultiError) Error() string { - errs := make([]string, len(m.Errors)) - for i, err := range m.Errors { - errs[i] = err.Error() - } - - return strings.Join(errs, "\n") -} diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/command.go b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/command.go similarity index 77% rename from Godeps/_workspace/src/github.com/codegangsta/cli/command.go rename to Godeps/_workspace/src/gopkg.in/urfave/cli.v1/command.go index bbf42ae40..8950ccae4 100644 --- a/Godeps/_workspace/src/github.com/codegangsta/cli/command.go +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/command.go @@ -3,6 +3,7 @@ package cli import ( "fmt" "io/ioutil" + "sort" "strings" ) @@ -22,35 +23,40 @@ type Command struct { Description string // A short description of the arguments of this command ArgsUsage string + // The category the command is part of + Category string // The function to call when checking for bash command completions - BashComplete func(context *Context) + BashComplete BashCompleteFunc // An action to execute before any sub-subcommands are run, but after the context is ready // If a non-nil error is returned, no sub-subcommands are run - Before func(context *Context) error + Before BeforeFunc // An action to execute after any subcommands are run, but after the subcommand has finished // It is run even if Action() panics - After func(context *Context) error + After AfterFunc // The function to call when this command is invoked - Action func(context *Context) - // Execute this function, if an usage error occurs. This is useful for displaying customized usage error messages. - // This function is able to replace the original error messages. - // If this function is not set, the "Incorrect usage" is displayed and the execution is interrupted. - OnUsageError func(context *Context, err error) error + Action interface{} + // TODO: replace `Action: interface{}` with `Action: ActionFunc` once some kind + // of deprecation period has passed, maybe? + + // Execute this function if a usage error occurs. + OnUsageError OnUsageErrorFunc // List of child commands - Subcommands []Command + Subcommands Commands // List of flags to parse Flags []Flag // Treat all flags as normal arguments if true SkipFlagParsing bool // Boolean to hide built-in help command HideHelp bool + // Boolean to hide this command from help or completion + Hidden bool // Full name of command for help, defaults to full command name, including parent commands. HelpName string commandNamePath []string } -// Returns the full name of the command. +// FullName returns the full name of the command. // For subcommands this ensures that parent commands are part of the command path func (c Command) FullName() string { if c.commandNamePath == nil { @@ -59,7 +65,10 @@ func (c Command) FullName() string { return strings.Join(c.commandNamePath, " ") } -// Invokes the command given the context, parses ctx.Args() to generate command-specific flags +// Commands is a slice of Command +type Commands []Command + +// Run invokes the command given the context, parses ctx.Args() to generate command-specific flags func (c Command) Run(ctx *Context) (err error) { if len(c.Subcommands) > 0 { return c.startApp(ctx) @@ -120,14 +129,14 @@ func (c Command) Run(ctx *Context) (err error) { if err != nil { if c.OnUsageError != nil { - err := c.OnUsageError(ctx, err) - return err - } else { - fmt.Fprintln(ctx.App.Writer, "Incorrect Usage.") - fmt.Fprintln(ctx.App.Writer) - ShowCommandHelp(ctx, c.Name) + err := c.OnUsageError(ctx, err, false) + HandleExitCoder(err) return err } + fmt.Fprintln(ctx.App.Writer, "Incorrect Usage.") + fmt.Fprintln(ctx.App.Writer) + ShowCommandHelp(ctx, c.Name) + return err } nerr := normalizeFlags(c.Flags, set) @@ -137,6 +146,7 @@ func (c Command) Run(ctx *Context) (err error) { ShowCommandHelp(ctx, c.Name) return nerr } + context := NewContext(ctx.App, set, ctx) if checkCommandCompletions(context, c.Name) { @@ -151,6 +161,7 @@ func (c Command) Run(ctx *Context) (err error) { defer func() { afterErr := c.After(context) if afterErr != nil { + HandleExitCoder(err) if err != nil { err = NewMultiError(err, afterErr) } else { @@ -161,20 +172,26 @@ func (c Command) Run(ctx *Context) (err error) { } if c.Before != nil { - err := c.Before(context) + err = c.Before(context) if err != nil { fmt.Fprintln(ctx.App.Writer, err) fmt.Fprintln(ctx.App.Writer) ShowCommandHelp(ctx, c.Name) + HandleExitCoder(err) return err } } context.Command = c - c.Action(context) - return nil + err = HandleAction(c.Action, context) + + if err != nil { + HandleExitCoder(err) + } + return err } +// Names returns the names including short names and aliases. func (c Command) Names() []string { names := []string{c.Name} @@ -185,7 +202,7 @@ func (c Command) Names() []string { return append(names, c.Aliases...) } -// Returns true if Command.Name or Command.ShortName matches given name +// HasName returns true if Command.Name or Command.ShortName matches given name func (c Command) HasName(name string) bool { for _, n := range c.Names() { if n == name { @@ -197,7 +214,7 @@ func (c Command) HasName(name string) bool { func (c Command) startApp(ctx *Context) error { app := NewApp() - + app.Metadata = ctx.App.Metadata // set the name and usage app.Name = fmt.Sprintf("%s %s", ctx.App.Name, c.Name) if c.HelpName == "" { @@ -227,6 +244,13 @@ func (c Command) startApp(ctx *Context) error { app.Email = ctx.App.Email app.Writer = ctx.App.Writer + app.categories = CommandCategories{} + for _, command := range c.Subcommands { + app.categories = app.categories.AddCommand(command.Category, command) + } + + sort.Sort(app.categories) + // bash completion app.EnableBashCompletion = ctx.App.EnableBashCompletion if c.BashComplete != nil { @@ -248,3 +272,8 @@ func (c Command) startApp(ctx *Context) error { return app.RunAsSubcommand(ctx) } + +// VisibleFlags returns a slice of the Flags with Hidden=false +func (c Command) VisibleFlags() []Flag { + return visibleFlags(c.Flags) +} diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/context.go b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/context.go similarity index 66% rename from Godeps/_workspace/src/github.com/codegangsta/cli/context.go rename to Godeps/_workspace/src/gopkg.in/urfave/cli.v1/context.go index 0513d34f6..c34246369 100644 --- a/Godeps/_workspace/src/github.com/codegangsta/cli/context.go +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/context.go @@ -21,57 +21,62 @@ type Context struct { parentContext *Context } -// Creates a new context. For use in when invoking an App or Command action. +// NewContext creates a new context. For use in when invoking an App or Command action. func NewContext(app *App, set *flag.FlagSet, parentCtx *Context) *Context { return &Context{App: app, flagSet: set, parentContext: parentCtx} } -// Looks up the value of a local int flag, returns 0 if no int flag exists +// Int looks up the value of a local int flag, returns 0 if no int flag exists func (c *Context) Int(name string) int { return lookupInt(name, c.flagSet) } -// Looks up the value of a local time.Duration flag, returns 0 if no time.Duration flag exists +// Duration looks up the value of a local time.Duration flag, returns 0 if no +// time.Duration flag exists func (c *Context) Duration(name string) time.Duration { return lookupDuration(name, c.flagSet) } -// Looks up the value of a local float64 flag, returns 0 if no float64 flag exists +// Float64 looks up the value of a local float64 flag, returns 0 if no float64 +// flag exists func (c *Context) Float64(name string) float64 { return lookupFloat64(name, c.flagSet) } -// Looks up the value of a local bool flag, returns false if no bool flag exists +// Bool looks up the value of a local bool flag, returns false if no bool flag exists func (c *Context) Bool(name string) bool { return lookupBool(name, c.flagSet) } -// Looks up the value of a local boolT flag, returns false if no bool flag exists +// BoolT looks up the value of a local boolT flag, returns false if no bool flag exists func (c *Context) BoolT(name string) bool { return lookupBoolT(name, c.flagSet) } -// Looks up the value of a local string flag, returns "" if no string flag exists +// String looks up the value of a local string flag, returns "" if no string flag exists func (c *Context) String(name string) string { return lookupString(name, c.flagSet) } -// Looks up the value of a local string slice flag, returns nil if no string slice flag exists +// StringSlice looks up the value of a local string slice flag, returns nil if no +// string slice flag exists func (c *Context) StringSlice(name string) []string { return lookupStringSlice(name, c.flagSet) } -// Looks up the value of a local int slice flag, returns nil if no int slice flag exists +// IntSlice looks up the value of a local int slice flag, returns nil if no int +// slice flag exists func (c *Context) IntSlice(name string) []int { return lookupIntSlice(name, c.flagSet) } -// Looks up the value of a local generic flag, returns nil if no generic flag exists +// Generic looks up the value of a local generic flag, returns nil if no generic +// flag exists func (c *Context) Generic(name string) interface{} { return lookupGeneric(name, c.flagSet) } -// Looks up the value of a global int flag, returns 0 if no int flag exists +// GlobalInt looks up the value of a global int flag, returns 0 if no int flag exists func (c *Context) GlobalInt(name string) int { if fs := lookupGlobalFlagSet(name, c); fs != nil { return lookupInt(name, fs) @@ -79,7 +84,17 @@ func (c *Context) GlobalInt(name string) int { return 0 } -// Looks up the value of a global time.Duration flag, returns 0 if no time.Duration flag exists +// GlobalFloat64 looks up the value of a global float64 flag, returns float64(0) +// if no float64 flag exists +func (c *Context) GlobalFloat64(name string) float64 { + if fs := lookupGlobalFlagSet(name, c); fs != nil { + return lookupFloat64(name, fs) + } + return float64(0) +} + +// GlobalDuration looks up the value of a global time.Duration flag, returns 0 +// if no time.Duration flag exists func (c *Context) GlobalDuration(name string) time.Duration { if fs := lookupGlobalFlagSet(name, c); fs != nil { return lookupDuration(name, fs) @@ -87,7 +102,8 @@ func (c *Context) GlobalDuration(name string) time.Duration { return 0 } -// Looks up the value of a global bool flag, returns false if no bool flag exists +// GlobalBool looks up the value of a global bool flag, returns false if no bool +// flag exists func (c *Context) GlobalBool(name string) bool { if fs := lookupGlobalFlagSet(name, c); fs != nil { return lookupBool(name, fs) @@ -95,7 +111,17 @@ func (c *Context) GlobalBool(name string) bool { return false } -// Looks up the value of a global string flag, returns "" if no string flag exists +// GlobalBoolT looks up the value of a global bool flag, returns true if no bool +// flag exists +func (c *Context) GlobalBoolT(name string) bool { + if fs := lookupGlobalFlagSet(name, c); fs != nil { + return lookupBoolT(name, fs) + } + return false +} + +// GlobalString looks up the value of a global string flag, returns "" if no +// string flag exists func (c *Context) GlobalString(name string) string { if fs := lookupGlobalFlagSet(name, c); fs != nil { return lookupString(name, fs) @@ -103,7 +129,8 @@ func (c *Context) GlobalString(name string) string { return "" } -// Looks up the value of a global string slice flag, returns nil if no string slice flag exists +// GlobalStringSlice looks up the value of a global string slice flag, returns +// nil if no string slice flag exists func (c *Context) GlobalStringSlice(name string) []string { if fs := lookupGlobalFlagSet(name, c); fs != nil { return lookupStringSlice(name, fs) @@ -111,7 +138,8 @@ func (c *Context) GlobalStringSlice(name string) []string { return nil } -// Looks up the value of a global int slice flag, returns nil if no int slice flag exists +// GlobalIntSlice looks up the value of a global int slice flag, returns nil if +// no int slice flag exists func (c *Context) GlobalIntSlice(name string) []int { if fs := lookupGlobalFlagSet(name, c); fs != nil { return lookupIntSlice(name, fs) @@ -119,7 +147,8 @@ func (c *Context) GlobalIntSlice(name string) []int { return nil } -// Looks up the value of a global generic flag, returns nil if no generic flag exists +// GlobalGeneric looks up the value of a global generic flag, returns nil if no +// generic flag exists func (c *Context) GlobalGeneric(name string) interface{} { if fs := lookupGlobalFlagSet(name, c); fs != nil { return lookupGeneric(name, fs) @@ -127,12 +156,22 @@ func (c *Context) GlobalGeneric(name string) interface{} { return nil } -// Returns the number of flags set +// NumFlags returns the number of flags set func (c *Context) NumFlags() int { return c.flagSet.NFlag() } -// Determines if the flag was actually set +// Set sets a context flag to a value. +func (c *Context) Set(name, value string) error { + return c.flagSet.Set(name, value) +} + +// GlobalSet sets a context flag to a value on the global flagset +func (c *Context) GlobalSet(name, value string) error { + return globalContext(c).flagSet.Set(name, value) +} + +// IsSet determines if the flag was actually set func (c *Context) IsSet(name string) bool { if c.setFlags == nil { c.setFlags = make(map[string]bool) @@ -143,7 +182,7 @@ func (c *Context) IsSet(name string) bool { return c.setFlags[name] == true } -// Determines if the global flag was actually set +// GlobalIsSet determines if the global flag was actually set func (c *Context) GlobalIsSet(name string) bool { if c.globalSetFlags == nil { c.globalSetFlags = make(map[string]bool) @@ -160,7 +199,7 @@ func (c *Context) GlobalIsSet(name string) bool { return c.globalSetFlags[name] } -// Returns a slice of flag names used in this context. +// FlagNames returns a slice of flag names used in this context. func (c *Context) FlagNames() (names []string) { for _, flag := range c.Command.Flags { name := strings.Split(flag.GetName(), ",")[0] @@ -172,7 +211,7 @@ func (c *Context) FlagNames() (names []string) { return } -// Returns a slice of global flag names used by the app. +// GlobalFlagNames returns a slice of global flag names used by the app. func (c *Context) GlobalFlagNames() (names []string) { for _, flag := range c.App.Flags { name := strings.Split(flag.GetName(), ",")[0] @@ -184,20 +223,26 @@ func (c *Context) GlobalFlagNames() (names []string) { return } -// Returns the parent context, if any +// Parent returns the parent context, if any func (c *Context) Parent() *Context { return c.parentContext } +// Args contains apps console arguments type Args []string -// Returns the command line arguments associated with the context. +// Args returns the command line arguments associated with the context. func (c *Context) Args() Args { args := Args(c.flagSet.Args()) return args } -// Returns the nth argument, or else a blank string +// NArg returns the number of the command line arguments. +func (c *Context) NArg() int { + return len(c.Args()) +} + +// Get returns the nth argument, or else a blank string func (a Args) Get(n int) string { if len(a) > n { return a[n] @@ -205,12 +250,12 @@ func (a Args) Get(n int) string { return "" } -// Returns the first argument, or else a blank string +// First returns the first argument, or else a blank string func (a Args) First() string { return a.Get(0) } -// Return the rest of the arguments (not the first one) +// Tail returns the rest of the arguments (not the first one) // or else an empty string slice func (a Args) Tail() []string { if len(a) >= 2 { @@ -219,12 +264,12 @@ func (a Args) Tail() []string { return []string{} } -// Checks if there are any arguments present +// Present checks if there are any arguments present func (a Args) Present() bool { return len(a) != 0 } -// Swaps arguments at the given indexes +// Swap swaps arguments at the given indexes func (a Args) Swap(from, to int) error { if from >= len(a) || to >= len(a) { return errors.New("index out of range") @@ -233,6 +278,19 @@ func (a Args) Swap(from, to int) error { return nil } +func globalContext(ctx *Context) *Context { + if ctx == nil { + return nil + } + + for { + if ctx.parentContext == nil { + return ctx + } + ctx = ctx.parentContext + } +} + func lookupGlobalFlagSet(name string, ctx *Context) *flag.FlagSet { if ctx.parentContext != nil { ctx = ctx.parentContext diff --git a/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/errors.go b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/errors.go new file mode 100644 index 000000000..ea551be16 --- /dev/null +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/errors.go @@ -0,0 +1,92 @@ +package cli + +import ( + "fmt" + "io" + "os" + "strings" +) + +// OsExiter is the function used when the app exits. If not set defaults to os.Exit. +var OsExiter = os.Exit + +// ErrWriter is used to write errors to the user. This can be anything +// implementing the io.Writer interface and defaults to os.Stderr. +var ErrWriter io.Writer = os.Stderr + +// MultiError is an error that wraps multiple errors. +type MultiError struct { + Errors []error +} + +// NewMultiError creates a new MultiError. Pass in one or more errors. +func NewMultiError(err ...error) MultiError { + return MultiError{Errors: err} +} + +// Error implents the error interface. +func (m MultiError) Error() string { + errs := make([]string, len(m.Errors)) + for i, err := range m.Errors { + errs[i] = err.Error() + } + + return strings.Join(errs, "\n") +} + +// ExitCoder is the interface checked by `App` and `Command` for a custom exit +// code +type ExitCoder interface { + error + ExitCode() int +} + +// ExitError fulfills both the builtin `error` interface and `ExitCoder` +type ExitError struct { + exitCode int + message string +} + +// NewExitError makes a new *ExitError +func NewExitError(message string, exitCode int) *ExitError { + return &ExitError{ + exitCode: exitCode, + message: message, + } +} + +// Error returns the string message, fulfilling the interface required by +// `error` +func (ee *ExitError) Error() string { + return ee.message +} + +// ExitCode returns the exit code, fulfilling the interface required by +// `ExitCoder` +func (ee *ExitError) ExitCode() int { + return ee.exitCode +} + +// HandleExitCoder checks if the error fulfills the ExitCoder interface, and if +// so prints the error to stderr (if it is non-empty) and calls OsExiter with the +// given exit code. If the given error is a MultiError, then this func is +// called on all members of the Errors slice. +func HandleExitCoder(err error) { + if err == nil { + return + } + + if exitErr, ok := err.(ExitCoder); ok { + if err.Error() != "" { + fmt.Fprintln(ErrWriter, err) + } + OsExiter(exitErr.ExitCode()) + return + } + + if multiErr, ok := err.(MultiError); ok { + for _, merr := range multiErr.Errors { + HandleExitCoder(merr) + } + } +} diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/flag.go b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/flag.go similarity index 71% rename from Godeps/_workspace/src/github.com/codegangsta/cli/flag.go rename to Godeps/_workspace/src/gopkg.in/urfave/cli.v1/flag.go index e951c2df7..1e8112e7e 100644 --- a/Godeps/_workspace/src/github.com/codegangsta/cli/flag.go +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/flag.go @@ -4,24 +4,28 @@ import ( "flag" "fmt" "os" + "reflect" "runtime" "strconv" "strings" "time" ) -// This flag enables bash-completion for all commands and subcommands +const defaultPlaceholder = "value" + +// BashCompletionFlag enables bash-completion for all commands and subcommands var BashCompletionFlag = BoolFlag{ - Name: "generate-bash-completion", + Name: "generate-bash-completion", + Hidden: true, } -// This flag prints the version for the application +// VersionFlag prints the version for the application var VersionFlag = BoolFlag{ Name: "version, v", Usage: "print the version", } -// This flag prints the help for all commands and subcommands +// HelpFlag prints the help for all commands and subcommands // Set to the zero value (BoolFlag{}) to disable flag -- keeps subcommand // unless HideHelp is set to true) var HelpFlag = BoolFlag{ @@ -29,6 +33,10 @@ var HelpFlag = BoolFlag{ Usage: "show help", } +// FlagStringer converts a flag definition to a string. This is used by help +// to display a flag. +var FlagStringer FlagStringFunc = stringifyFlag + // Flag is a common interface related to parsing flags in cli. // For more advanced flag parsing techniques, it is recommended that // this interface be implemented. @@ -68,24 +76,14 @@ type GenericFlag struct { Value Generic Usage string EnvVar string + Hidden bool } // String returns the string representation of the generic flag to display the // help text to the user (uses the String() method of the generic flag to show // the value) func (f GenericFlag) String() string { - return withEnvHint(f.EnvVar, fmt.Sprintf("%s %v\t%v", prefixedNames(f.Name), f.FormatValueHelp(), f.Usage)) -} - -func (f GenericFlag) FormatValueHelp() string { - if f.Value == nil { - return "" - } - s := f.Value.String() - if len(s) == 0 { - return "" - } - return fmt.Sprintf("\"%s\"", s) + return FlagStringer(f) } // Apply takes the flagset and calls Set on the generic flag with the value @@ -107,6 +105,7 @@ func (f GenericFlag) Apply(set *flag.FlagSet) { }) } +// GetName returns the name of a flag. func (f GenericFlag) GetName() string { return f.Name } @@ -130,20 +129,19 @@ func (f *StringSlice) Value() []string { return *f } -// StringSlice is a string flag that can be specified multiple times on the +// StringSliceFlag is a string flag that can be specified multiple times on the // command-line type StringSliceFlag struct { Name string Value *StringSlice Usage string EnvVar string + Hidden bool } // String returns the usage func (f StringSliceFlag) String() string { - firstName := strings.Trim(strings.Split(f.Name, ",")[0], " ") - pref := prefixFor(firstName) - return withEnvHint(f.EnvVar, fmt.Sprintf("%s [%v]\t%v", prefixedNames(f.Name), pref+firstName+" option "+pref+firstName+" option", f.Usage)) + return FlagStringer(f) } // Apply populates the flag given the flag set and environment @@ -171,11 +169,12 @@ func (f StringSliceFlag) Apply(set *flag.FlagSet) { }) } +// GetName returns the name of a flag. func (f StringSliceFlag) GetName() string { return f.Name } -// StringSlice is an opaque type for []int to satisfy flag.Value +// IntSlice is an opaque type for []int to satisfy flag.Value type IntSlice []int // Set parses the value into an integer and appends it to the list of values @@ -183,9 +182,8 @@ func (f *IntSlice) Set(value string) error { tmp, err := strconv.Atoi(value) if err != nil { return err - } else { - *f = append(*f, tmp) } + *f = append(*f, tmp) return nil } @@ -206,13 +204,12 @@ type IntSliceFlag struct { Value *IntSlice Usage string EnvVar string + Hidden bool } // String returns the usage func (f IntSliceFlag) String() string { - firstName := strings.Trim(strings.Split(f.Name, ",")[0], " ") - pref := prefixFor(firstName) - return withEnvHint(f.EnvVar, fmt.Sprintf("%s [%v]\t%v", prefixedNames(f.Name), pref+firstName+" option "+pref+firstName+" option", f.Usage)) + return FlagStringer(f) } // Apply populates the flag given the flag set and environment @@ -226,7 +223,7 @@ func (f IntSliceFlag) Apply(set *flag.FlagSet) { s = strings.TrimSpace(s) err := newVal.Set(s) if err != nil { - fmt.Fprintf(os.Stderr, err.Error()) + fmt.Fprintf(ErrWriter, err.Error()) } } f.Value = newVal @@ -243,6 +240,7 @@ func (f IntSliceFlag) Apply(set *flag.FlagSet) { }) } +// GetName returns the name of the flag. func (f IntSliceFlag) GetName() string { return f.Name } @@ -253,11 +251,12 @@ type BoolFlag struct { Usage string EnvVar string Destination *bool + Hidden bool } // String returns a readable representation of this value (for usage defaults) func (f BoolFlag) String() string { - return withEnvHint(f.EnvVar, fmt.Sprintf("%s\t%v", prefixedNames(f.Name), f.Usage)) + return FlagStringer(f) } // Apply populates the flag given the flag set and environment @@ -285,6 +284,7 @@ func (f BoolFlag) Apply(set *flag.FlagSet) { }) } +// GetName returns the name of the flag. func (f BoolFlag) GetName() string { return f.Name } @@ -296,11 +296,12 @@ type BoolTFlag struct { Usage string EnvVar string Destination *bool + Hidden bool } // String returns a readable representation of this value (for usage defaults) func (f BoolTFlag) String() string { - return withEnvHint(f.EnvVar, fmt.Sprintf("%s\t%v", prefixedNames(f.Name), f.Usage)) + return FlagStringer(f) } // Apply populates the flag given the flag set and environment @@ -328,6 +329,7 @@ func (f BoolTFlag) Apply(set *flag.FlagSet) { }) } +// GetName returns the name of the flag. func (f BoolTFlag) GetName() string { return f.Name } @@ -339,19 +341,12 @@ type StringFlag struct { Usage string EnvVar string Destination *string + Hidden bool } // String returns the usage func (f StringFlag) String() string { - return withEnvHint(f.EnvVar, fmt.Sprintf("%s %v\t%v", prefixedNames(f.Name), f.FormatValueHelp(), f.Usage)) -} - -func (f StringFlag) FormatValueHelp() string { - s := f.Value - if len(s) == 0 { - return "" - } - return fmt.Sprintf("\"%s\"", s) + return FlagStringer(f) } // Apply populates the flag given the flag set and environment @@ -375,6 +370,7 @@ func (f StringFlag) Apply(set *flag.FlagSet) { }) } +// GetName returns the name of the flag. func (f StringFlag) GetName() string { return f.Name } @@ -387,11 +383,12 @@ type IntFlag struct { Usage string EnvVar string Destination *int + Hidden bool } // String returns the usage func (f IntFlag) String() string { - return withEnvHint(f.EnvVar, fmt.Sprintf("%s \"%v\"\t%v", prefixedNames(f.Name), f.Value, f.Usage)) + return FlagStringer(f) } // Apply populates the flag given the flag set and environment @@ -418,6 +415,7 @@ func (f IntFlag) Apply(set *flag.FlagSet) { }) } +// GetName returns the name of the flag. func (f IntFlag) GetName() string { return f.Name } @@ -430,11 +428,12 @@ type DurationFlag struct { Usage string EnvVar string Destination *time.Duration + Hidden bool } // String returns a readable representation of this value (for usage defaults) func (f DurationFlag) String() string { - return withEnvHint(f.EnvVar, fmt.Sprintf("%s \"%v\"\t%v", prefixedNames(f.Name), f.Value, f.Usage)) + return FlagStringer(f) } // Apply populates the flag given the flag set and environment @@ -461,6 +460,7 @@ func (f DurationFlag) Apply(set *flag.FlagSet) { }) } +// GetName returns the name of the flag. func (f DurationFlag) GetName() string { return f.Name } @@ -473,11 +473,12 @@ type Float64Flag struct { Usage string EnvVar string Destination *float64 + Hidden bool } // String returns the usage func (f Float64Flag) String() string { - return withEnvHint(f.EnvVar, fmt.Sprintf("%s \"%v\"\t%v", prefixedNames(f.Name), f.Value, f.Usage)) + return FlagStringer(f) } // Apply populates the flag given the flag set and environment @@ -503,10 +504,21 @@ func (f Float64Flag) Apply(set *flag.FlagSet) { }) } +// GetName returns the name of the flag. func (f Float64Flag) GetName() string { return f.Name } +func visibleFlags(fl []Flag) []Flag { + visible := []Flag{} + for _, flag := range fl { + if !reflect.ValueOf(flag).FieldByName("Hidden").Bool() { + visible = append(visible, flag) + } + } + return visible +} + func prefixFor(name string) (prefix string) { if len(name) == 1 { prefix = "-" @@ -517,16 +529,37 @@ func prefixFor(name string) (prefix string) { return } -func prefixedNames(fullName string) (prefixed string) { +// Returns the placeholder, if any, and the unquoted usage string. +func unquoteUsage(usage string) (string, string) { + for i := 0; i < len(usage); i++ { + if usage[i] == '`' { + for j := i + 1; j < len(usage); j++ { + if usage[j] == '`' { + name := usage[i+1 : j] + usage = usage[:i] + name + usage[j+1:] + return name, usage + } + } + break + } + } + return "", usage +} + +func prefixedNames(fullName, placeholder string) string { + var prefixed string parts := strings.Split(fullName, ",") for i, name := range parts { name = strings.Trim(name, " ") prefixed += prefixFor(name) + name + if placeholder != "" { + prefixed += " " + placeholder + } if i < len(parts)-1 { prefixed += ", " } } - return + return prefixed } func withEnvHint(envVar, str string) string { @@ -544,3 +577,83 @@ func withEnvHint(envVar, str string) string { } return str + envText } + +func stringifyFlag(f Flag) string { + fv := reflect.ValueOf(f) + + switch f.(type) { + case IntSliceFlag: + return withEnvHint(fv.FieldByName("EnvVar").String(), + stringifyIntSliceFlag(f.(IntSliceFlag))) + case StringSliceFlag: + return withEnvHint(fv.FieldByName("EnvVar").String(), + stringifyStringSliceFlag(f.(StringSliceFlag))) + } + + placeholder, usage := unquoteUsage(fv.FieldByName("Usage").String()) + + needsPlaceholder := false + defaultValueString := "" + val := fv.FieldByName("Value") + + if val.IsValid() { + needsPlaceholder = true + defaultValueString = fmt.Sprintf(" (default: %v)", val.Interface()) + + if val.Kind() == reflect.String && val.String() != "" { + defaultValueString = fmt.Sprintf(" (default: %q)", val.String()) + } + } + + if defaultValueString == " (default: )" { + defaultValueString = "" + } + + if needsPlaceholder && placeholder == "" { + placeholder = defaultPlaceholder + } + + usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultValueString)) + + return withEnvHint(fv.FieldByName("EnvVar").String(), + fmt.Sprintf("%s\t%s", prefixedNames(fv.FieldByName("Name").String(), placeholder), usageWithDefault)) +} + +func stringifyIntSliceFlag(f IntSliceFlag) string { + defaultVals := []string{} + if f.Value != nil && len(f.Value.Value()) > 0 { + for _, i := range f.Value.Value() { + defaultVals = append(defaultVals, fmt.Sprintf("%d", i)) + } + } + + return stringifySliceFlag(f.Usage, f.Name, defaultVals) +} + +func stringifyStringSliceFlag(f StringSliceFlag) string { + defaultVals := []string{} + if f.Value != nil && len(f.Value.Value()) > 0 { + for _, s := range f.Value.Value() { + if len(s) > 0 { + defaultVals = append(defaultVals, fmt.Sprintf("%q", s)) + } + } + } + + return stringifySliceFlag(f.Usage, f.Name, defaultVals) +} + +func stringifySliceFlag(usage, name string, defaultVals []string) string { + placeholder, usage := unquoteUsage(usage) + if placeholder == "" { + placeholder = defaultPlaceholder + } + + defaultVal := "" + if len(defaultVals) > 0 { + defaultVal = fmt.Sprintf(" (default: %s)", strings.Join(defaultVals, ", ")) + } + + usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultVal)) + return fmt.Sprintf("%s\t%s", prefixedNames(name, placeholder), usageWithDefault) +} diff --git a/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/funcs.go b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/funcs.go new file mode 100644 index 000000000..cba5e6cb0 --- /dev/null +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/funcs.go @@ -0,0 +1,28 @@ +package cli + +// BashCompleteFunc is an action to execute when the bash-completion flag is set +type BashCompleteFunc func(*Context) + +// BeforeFunc is an action to execute before any subcommands are run, but after +// the context is ready if a non-nil error is returned, no subcommands are run +type BeforeFunc func(*Context) error + +// AfterFunc is an action to execute after any subcommands are run, but after the +// subcommand has finished it is run even if Action() panics +type AfterFunc func(*Context) error + +// ActionFunc is the action to execute when no subcommands are specified +type ActionFunc func(*Context) error + +// CommandNotFoundFunc is executed if the proper command cannot be found +type CommandNotFoundFunc func(*Context, string) + +// OnUsageErrorFunc is executed if an usage error occurs. This is useful for displaying +// customized usage error messages. This function is able to replace the +// original error messages. If this function is not set, the "Incorrect usage" +// is displayed and the execution is interrupted. +type OnUsageErrorFunc func(context *Context, err error, isSubcommand bool) error + +// FlagStringFunc is used by the help generation to display a flag, which is +// expected to be a single line. +type FlagStringFunc func(Flag) string diff --git a/Godeps/_workspace/src/github.com/codegangsta/cli/help.go b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/help.go similarity index 57% rename from Godeps/_workspace/src/github.com/codegangsta/cli/help.go rename to Godeps/_workspace/src/gopkg.in/urfave/cli.v1/help.go index 15916f86a..801d2b167 100644 --- a/Godeps/_workspace/src/github.com/codegangsta/cli/help.go +++ b/Godeps/_workspace/src/gopkg.in/urfave/cli.v1/help.go @@ -3,68 +3,74 @@ package cli import ( "fmt" "io" + "os" "strings" "text/tabwriter" "text/template" ) -// The text template for the Default help topic. +// AppHelpTemplate is the text template for the Default help topic. // cli.go uses text/template to render templates. You can // render custom help text by setting this variable. var AppHelpTemplate = `NAME: {{.Name}} - {{.Usage}} USAGE: - {{if .UsageText}}{{.UsageText}}{{else}}{{.HelpName}} {{if .Flags}}[global options]{{end}}{{if .Commands}} command [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}} - {{if .Version}} + {{if .UsageText}}{{.UsageText}}{{else}}{{.HelpName}} {{if .VisibleFlags}}[global options]{{end}}{{if .Commands}} command [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}} + {{if .Version}}{{if not .HideVersion}} VERSION: {{.Version}} - {{end}}{{if len .Authors}} + {{end}}{{end}}{{if len .Authors}} AUTHOR(S): - {{range .Authors}}{{ . }}{{end}} - {{end}}{{if .Commands}} -COMMANDS: - {{range .Commands}}{{join .Names ", "}}{{ "\t" }}{{.Usage}} - {{end}}{{end}}{{if .Flags}} + {{range .Authors}}{{.}}{{end}} + {{end}}{{if .VisibleCommands}} +COMMANDS:{{range .VisibleCategories}}{{if .Name}} + {{.Name}}:{{end}}{{range .VisibleCommands}} + {{.Name}}{{with .ShortName}}, {{.}}{{end}}{{"\t"}}{{.Usage}}{{end}} +{{end}}{{end}}{{if .VisibleFlags}} GLOBAL OPTIONS: - {{range .Flags}}{{.}} - {{end}}{{end}}{{if .Copyright }} + {{range .VisibleFlags}}{{.}} + {{end}}{{end}}{{if .Copyright}} COPYRIGHT: {{.Copyright}} {{end}} ` -// The text template for the command help topic. +// CommandHelpTemplate is the text template for the command help topic. // cli.go uses text/template to render templates. You can // render custom help text by setting this variable. var CommandHelpTemplate = `NAME: {{.HelpName}} - {{.Usage}} USAGE: - {{.HelpName}}{{if .Flags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{if .Description}} + {{.HelpName}}{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{if .Category}} + +CATEGORY: + {{.Category}}{{end}}{{if .Description}} DESCRIPTION: - {{.Description}}{{end}}{{if .Flags}} + {{.Description}}{{end}}{{if .VisibleFlags}} OPTIONS: - {{range .Flags}}{{.}} - {{end}}{{ end }} + {{range .VisibleFlags}}{{.}} + {{end}}{{end}} ` -// The text template for the subcommand help topic. +// SubcommandHelpTemplate is the text template for the subcommand help topic. // cli.go uses text/template to render templates. You can // render custom help text by setting this variable. var SubcommandHelpTemplate = `NAME: {{.HelpName}} - {{.Usage}} USAGE: - {{.HelpName}} command{{if .Flags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}} + {{.HelpName}} command{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}} -COMMANDS: - {{range .Commands}}{{join .Names ", "}}{{ "\t" }}{{.Usage}} - {{end}}{{if .Flags}} +COMMANDS:{{range .VisibleCategories}}{{if .Name}} + {{.Name}}:{{end}}{{range .VisibleCommands}} + {{.Name}}{{with .ShortName}}, {{.}}{{end}}{{"\t"}}{{.Usage}}{{end}} +{{end}}{{if .VisibleFlags}} OPTIONS: - {{range .Flags}}{{.}} + {{range .VisibleFlags}}{{.}} {{end}}{{end}} ` @@ -73,13 +79,14 @@ var helpCommand = Command{ Aliases: []string{"h"}, Usage: "Shows a list of commands or help for one command", ArgsUsage: "[command]", - Action: func(c *Context) { + Action: func(c *Context) error { args := c.Args() if args.Present() { - ShowCommandHelp(c, args.First()) - } else { - ShowAppHelp(c) + return ShowCommandHelp(c, args.First()) } + + ShowAppHelp(c) + return nil }, } @@ -88,65 +95,73 @@ var helpSubcommand = Command{ Aliases: []string{"h"}, Usage: "Shows a list of commands or help for one command", ArgsUsage: "[command]", - Action: func(c *Context) { + Action: func(c *Context) error { args := c.Args() if args.Present() { - ShowCommandHelp(c, args.First()) - } else { - ShowSubcommandHelp(c) + return ShowCommandHelp(c, args.First()) } + + return ShowSubcommandHelp(c) }, } // Prints help for the App or Command type helpPrinter func(w io.Writer, templ string, data interface{}) +// HelpPrinter is a function that writes the help output. If not set a default +// is used. The function signature is: +// func(w io.Writer, templ string, data interface{}) var HelpPrinter helpPrinter = printHelp -// Prints version for the App +// VersionPrinter prints the version for the App var VersionPrinter = printVersion +// ShowAppHelp is an action that displays the help. func ShowAppHelp(c *Context) { HelpPrinter(c.App.Writer, AppHelpTemplate, c.App) } -// Prints the list of subcommands as the default app completion method +// DefaultAppComplete prints the list of subcommands as the default app completion method func DefaultAppComplete(c *Context) { for _, command := range c.App.Commands { + if command.Hidden { + continue + } for _, name := range command.Names() { fmt.Fprintln(c.App.Writer, name) } } } -// Prints help for the given command -func ShowCommandHelp(ctx *Context, command string) { +// ShowCommandHelp prints help for the given command +func ShowCommandHelp(ctx *Context, command string) error { // show the subcommand help for a command with subcommands if command == "" { HelpPrinter(ctx.App.Writer, SubcommandHelpTemplate, ctx.App) - return + return nil } for _, c := range ctx.App.Commands { if c.HasName(command) { HelpPrinter(ctx.App.Writer, CommandHelpTemplate, c) - return + return nil } } - if ctx.App.CommandNotFound != nil { - ctx.App.CommandNotFound(ctx, command) - } else { - fmt.Fprintf(ctx.App.Writer, "No help topic for '%v'\n", command) + if ctx.App.CommandNotFound == nil { + return NewExitError(fmt.Sprintf("No help topic for '%v'", command), 3) } + + ctx.App.CommandNotFound(ctx, command) + return nil } -// Prints help for the given subcommand -func ShowSubcommandHelp(c *Context) { - ShowCommandHelp(c, c.Command.Name) +// ShowSubcommandHelp prints help for the given subcommand +func ShowSubcommandHelp(c *Context) error { + return ShowCommandHelp(c, c.Command.Name) } -// Prints the version number of the App +// ShowVersion prints the version number of the App func ShowVersion(c *Context) { VersionPrinter(c) } @@ -155,7 +170,7 @@ func printVersion(c *Context) { fmt.Fprintf(c.App.Writer, "%v version %v\n", c.App.Name, c.App.Version) } -// Prints the lists of commands within a given context +// ShowCompletions prints the lists of commands within a given context func ShowCompletions(c *Context) { a := c.App if a != nil && a.BashComplete != nil { @@ -163,7 +178,7 @@ func ShowCompletions(c *Context) { } } -// Prints the custom completions for a given command +// ShowCommandCompletions prints the custom completions for a given command func ShowCommandCompletions(ctx *Context, command string) { c := ctx.App.Command(command) if c != nil && c.BashComplete != nil { @@ -181,7 +196,10 @@ func printHelp(out io.Writer, templ string, data interface{}) { err := t.Execute(w, data) if err != nil { // If the writer is closed, t.Execute will fail, and there's nothing - // we can do to recover. We could send this to os.Stderr if we need. + // we can do to recover. + if os.Getenv("CLI_TEMPLATE_ERROR_DEBUG") != "" { + fmt.Fprintf(ErrWriter, "CLI TEMPLATE ERROR: %#v\n", err) + } return } w.Flush() diff --git a/cmd/ethtest/main.go b/cmd/ethtest/main.go index d8f969636..450dadcbb 100644 --- a/cmd/ethtest/main.go +++ b/cmd/ethtest/main.go @@ -25,10 +25,10 @@ import ( "path/filepath" "strings" - "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/logger/glog" "github.com/ethereum/go-ethereum/params" "github.com/ethereum/go-ethereum/tests" + "gopkg.in/urfave/cli.v1" ) var ( diff --git a/cmd/evm/main.go b/cmd/evm/main.go index 7d9b3a6c3..ce8e171bd 100644 --- a/cmd/evm/main.go +++ b/cmd/evm/main.go @@ -24,7 +24,6 @@ import ( "runtime" "time" - "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core" @@ -33,6 +32,7 @@ import ( "github.com/ethereum/go-ethereum/core/vm" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/logger/glog" + "gopkg.in/urfave/cli.v1" ) var ( diff --git a/cmd/geth/accountcmd.go b/cmd/geth/accountcmd.go index 2c2308514..fd5a4bcd4 100644 --- a/cmd/geth/accountcmd.go +++ b/cmd/geth/accountcmd.go @@ -20,13 +20,13 @@ import ( "fmt" "io/ioutil" - "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/console" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" + "gopkg.in/urfave/cli.v1" ) var ( diff --git a/cmd/geth/chaincmd.go b/cmd/geth/chaincmd.go index 4f47de5d7..3355b7a6a 100644 --- a/cmd/geth/chaincmd.go +++ b/cmd/geth/chaincmd.go @@ -23,7 +23,6 @@ import ( "strconv" "time" - "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/console" @@ -32,6 +31,7 @@ import ( "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/logger/glog" + "gopkg.in/urfave/cli.v1" ) var ( diff --git a/cmd/geth/consolecmd.go b/cmd/geth/consolecmd.go index 8bfe27fef..cc7a40fd9 100644 --- a/cmd/geth/consolecmd.go +++ b/cmd/geth/consolecmd.go @@ -20,9 +20,9 @@ import ( "os" "os/signal" - "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/console" + "gopkg.in/urfave/cli.v1" ) var ( diff --git a/cmd/geth/main.go b/cmd/geth/main.go index 5ff1a7368..6df16bb2c 100644 --- a/cmd/geth/main.go +++ b/cmd/geth/main.go @@ -28,7 +28,6 @@ import ( "strings" "time" - "github.com/codegangsta/cli" "github.com/ethereum/ethash" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/common" @@ -44,6 +43,7 @@ import ( "github.com/ethereum/go-ethereum/params" "github.com/ethereum/go-ethereum/release" "github.com/ethereum/go-ethereum/rlp" + "gopkg.in/urfave/cli.v1" ) const ( diff --git a/cmd/geth/monitorcmd.go b/cmd/geth/monitorcmd.go index 5d839b5a3..7058b432f 100644 --- a/cmd/geth/monitorcmd.go +++ b/cmd/geth/monitorcmd.go @@ -26,11 +26,11 @@ import ( "sort" - "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/node" "github.com/ethereum/go-ethereum/rpc" "github.com/gizak/termui" + "gopkg.in/urfave/cli.v1" ) var ( diff --git a/cmd/geth/usage.go b/cmd/geth/usage.go index 01a71c1f6..e7ef9e2c7 100644 --- a/cmd/geth/usage.go +++ b/cmd/geth/usage.go @@ -21,9 +21,9 @@ package main import ( "io" - "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/internal/debug" + "gopkg.in/urfave/cli.v1" ) // AppHelpTemplate is the test template for the default, global app help topic. diff --git a/cmd/utils/client.go b/cmd/utils/client.go index ec72a1a4b..cc9647580 100644 --- a/cmd/utils/client.go +++ b/cmd/utils/client.go @@ -20,9 +20,9 @@ import ( "fmt" "strings" - "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/node" "github.com/ethereum/go-ethereum/rpc" + "gopkg.in/urfave/cli.v1" ) // NewRemoteRPCClient returns a RPC client which connects to a running geth instance. diff --git a/cmd/utils/customflags.go b/cmd/utils/customflags.go index 4450065c1..5cbccfe98 100644 --- a/cmd/utils/customflags.go +++ b/cmd/utils/customflags.go @@ -24,7 +24,7 @@ import ( "path" "strings" - "github.com/codegangsta/cli" + "gopkg.in/urfave/cli.v1" ) // Custom type which is registered in the flags library which cli uses for diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index c476e1c77..d2ba42801 100644 --- a/cmd/utils/flags.go +++ b/cmd/utils/flags.go @@ -30,7 +30,6 @@ import ( "strings" "time" - "github.com/codegangsta/cli" "github.com/ethereum/ethash" "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/common" @@ -51,6 +50,7 @@ import ( "github.com/ethereum/go-ethereum/release" "github.com/ethereum/go-ethereum/rpc" "github.com/ethereum/go-ethereum/whisper" + "gopkg.in/urfave/cli.v1" ) func init() { diff --git a/internal/debug/flags.go b/internal/debug/flags.go index 5b1a9b23c..9fc5fc4fe 100644 --- a/internal/debug/flags.go +++ b/internal/debug/flags.go @@ -22,9 +22,9 @@ import ( _ "net/http/pprof" "runtime" - "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" + "gopkg.in/urfave/cli.v1" ) var (