Golang RemoveAll Examples

Example #1

File: copy.go Project: jpillora/govendor

// CopyPackage copies the files from the srcPath to the destPath, destPath
// folder and parents are are created if they don't already exist.
func (ctx *Context) CopyPackage(destPath, srcPath string, ignoreFiles []string, tree bool) error {
	if pathos.FileStringEquals(destPath, srcPath) {
		return fmt.Errorf("Attempting to copy package to same location %q.", destPath)
	}
	err := os.MkdirAll(destPath, 0777)
	if err != nil {
		return err
	}

	// Ensure the dest is empty of files.
	destDir, err := os.Open(destPath)
	if err != nil {
		return err
	}
	ignoreTest := false
	if tree {
		for _, ignore := range ctx.ignoreTag {
			if ignore == "test" {
				ignoreTest = true
				break
			}
		}
	}

	fl, err := destDir.Readdir(-1)
	destDir.Close()
	if err != nil {
		return err
	}
	for _, fi := range fl {
		if fi.IsDir() {
			if tree {
				err = os.RemoveAll(filepath.Join(destPath, fi.Name()))
				if err != nil {
					return err
				}
			}
			continue
		}
		err = os.Remove(filepath.Join(destPath, fi.Name()))
		if err != nil {
			return err
		}
	}

	// Copy files into dest.
	srcDir, err := os.Open(srcPath)
	if err != nil {
		return err
	}

	fl, err = srcDir.Readdir(-1)
	srcDir.Close()
	if err != nil {
		return err
	}
fileLoop:
	for _, fi := range fl {
		name := fi.Name()
		if name[0] == '.' {
			continue
		}
		if fi.IsDir() {
			if !tree {
				continue
			}
			if name[0] == '_' {
				continue
			}
			if ignoreTest {
				if strings.HasSuffix(name, "_test") || name == "testdata" {
					continue
				}
			}
			nextDestPath := filepath.Join(destPath, name)
			nextSrcPath := filepath.Join(srcPath, name)
			nextIgnoreFiles, err := ctx.getIngoreFiles(nextSrcPath)
			if err != nil {
				return err
			}

			err = ctx.CopyPackage(nextDestPath, nextSrcPath, nextIgnoreFiles, true)
			if err != nil {
				return err
			}
			continue
		}
		for _, ignore := range ignoreFiles {
			if pathos.FileStringEquals(name, ignore) {
				continue fileLoop
			}
		}
		err = copyFile(
			filepath.Join(destPath, name),
			filepath.Join(srcPath, name),
		)
		if err != nil {
			return err
		}
	}
	return nil
}

Example #2

File: path.go Project: jpillora/govendor

// RemovePackage removes the specified folder files. If folder is empty when
// done (no nested folders, remove the folder and any empty parent folders.
func RemovePackage(path, root string, tree bool) error {
	// Ensure the path is empty of files.
	dir, err := os.Open(path)
	if err != nil {
		return err
	}

	// Remove package files.
	fl, err := dir.Readdir(-1)
	dir.Close()
	if err != nil {
		return err
	}
	for _, fi := range fl {
		fullPath := filepath.Join(path, fi.Name())
		if fi.IsDir() {
			if tree {
				// If tree == true then remove sub-directories too.
				err = os.RemoveAll(fullPath)
				if err != nil {
					return err
				}
			}
			continue
		}
		err = os.Remove(fullPath)
		if err != nil {
			return err
		}
	}

	// Remove empty parent folders.
	// Ignore errors here.
	for i := 0; i <= looplimit; i++ {
		if pathos.FileStringEquals(path, root) {
			return nil
		}
		dir, err := os.Open(path)
		if err != nil {
			// fmt.Fprintf(os.Stderr, "Failedd to open directory %q: %v\n", path, err)
			return nil
		}

		fl, err := dir.Readdir(1)
		dir.Close()
		if err != nil && err != io.EOF {
			// fmt.Fprintf(os.Stderr, "Failedd to list directory %q: %v\n", path, err)
			return nil
		}
		if len(fl) > 0 {
			return nil
		}
		err = os.Remove(path)
		if err != nil {
			// fmt.Fprintf(os.Stderr, "Failedd to remove empty directory %q: %v\n", path, err)
			return nil
		}
		nextPath := filepath.Clean(filepath.Join(path, ".."))
		// Check for root.
		if nextPath == path {
			return nil
		}
		path = nextPath
	}
	panic("removePackage() remove parent folders")
}