forked from cerc-io/ipld-eth-server
80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
// VulcanizeDB
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// Copyright © 2018 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package helpers
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import (
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"io"
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"os"
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"path/filepath"
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"strings"
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"syscall"
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"github.com/mitchellh/go-homedir"
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)
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func CleanPath(str string) (string, error) {
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path, err := homedir.Expand(filepath.Clean(str))
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if err != nil {
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return "", err
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}
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if strings.Contains(path, "$GOPATH") {
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env := os.Getenv("GOPATH")
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spl := strings.Split(path, "$GOPATH")[1]
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path = filepath.Join(env, spl)
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}
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return path, nil
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}
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func ClearFiles(files ...string) error {
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for _, file := range files {
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if _, err := os.Stat(file); err == nil {
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err = os.Remove(file)
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if err != nil {
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return err
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}
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} else if os.IsNotExist(err) {
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continue
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} else {
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return err
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}
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}
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return nil
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}
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func CopyFile(src, dst string) error {
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in, err := os.Open(src)
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if err != nil {
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return err
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}
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out, err := os.OpenFile(dst, syscall.O_CREAT|syscall.O_EXCL|os.O_WRONLY, os.FileMode(0666)) // Doesn't overwrite files
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if err != nil {
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in.Close()
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return err
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}
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_, err = io.Copy(out, in)
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if err != nil {
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in.Close()
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out.Close()
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return err
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}
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in.Close()
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return out.Close()
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}
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