From 7fa01a2a74ceb9babb5a8696739095d8f9a6c02b Mon Sep 17 00:00:00 2001
From: Ethan Frey <ethanfrey@users.noreply.github.com>
Date: Wed, 28 Jun 2017 11:54:48 +0200
Subject: [PATCH] Add experimental support for bash autocomplete

---
 cmd/basecli/commands/auto.go | 31 +++++++++++++++++++++++++++++++
 cmd/basecli/main.go          |  1 +
 2 files changed, 32 insertions(+)
 create mode 100644 cmd/basecli/commands/auto.go

diff --git a/cmd/basecli/commands/auto.go b/cmd/basecli/commands/auto.go
new file mode 100644
index 0000000000..4eb7810a2b
--- /dev/null
+++ b/cmd/basecli/commands/auto.go
@@ -0,0 +1,31 @@
+package commands
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var AutoCompleteCmd = &cobra.Command{
+	Use:   "complete",
+	Short: "generate bash autocompletions",
+	RunE:  doAutoComplete,
+}
+
+const (
+	FlagOutput = "file"
+)
+
+func init() {
+	AutoCompleteCmd.Flags().String(FlagOutput, "", "file to output bash autocompletion")
+	AutoCompleteCmd.MarkFlagFilename(FlagOutput)
+}
+
+func doAutoComplete(cmd *cobra.Command, args []string) error {
+	output := viper.GetString(FlagOutput)
+	if output == "" {
+		return cmd.Root().GenBashCompletion(os.Stdout)
+	}
+	return cmd.Root().GenBashCompletionFile(output)
+}
diff --git a/cmd/basecli/main.go b/cmd/basecli/main.go
index 6b335e699d..4f78f792f1 100644
--- a/cmd/basecli/main.go
+++ b/cmd/basecli/main.go
@@ -56,6 +56,7 @@ func main() {
 		tr,
 		proxy.RootCmd,
 		coincmd.VersionCmd,
+		bcmd.AutoCompleteCmd,
 	)
 
 	cmd := cli.PrepareMainCmd(BaseCli, "BC", os.ExpandEnv("$HOME/.basecli"))