73 lines
1.2 KiB
Go
73 lines
1.2 KiB
Go
package commands
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import (
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"errors"
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"os"
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"strings"
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"git.sr.ht/~sircmpwn/aerc/widgets"
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"github.com/mitchellh/go-homedir"
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)
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var (
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previousDir string
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)
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type ChangeDirectory struct{}
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func init() {
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register(ChangeDirectory{})
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}
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func (_ ChangeDirectory) Aliases() []string {
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return []string{"cd"}
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}
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func (_ ChangeDirectory) Complete(aerc *widgets.Aerc, args []string) []string {
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path := ""
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if len(args) >= 1 {
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path = args[0]
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}
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completions := CompletePath(path)
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var dirs []string
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for _, c := range completions {
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// filter out non-directories
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if strings.HasSuffix(c, "/") {
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dirs = append(dirs, c)
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}
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}
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return dirs
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}
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func (_ ChangeDirectory) Execute(aerc *widgets.Aerc, args []string) error {
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if len(args) < 1 || len(args) > 2 {
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return errors.New("Usage: cd [directory]")
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}
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cwd, err := os.Getwd()
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if err != nil {
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return err
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}
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var target string
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if len(args) == 1 {
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target = "~"
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} else if args[1] == "-" {
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if previousDir == "" {
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return errors.New("No previous folder to return to")
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} else {
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target = previousDir
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}
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} else {
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target = args[1]
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}
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target, err = homedir.Expand(target)
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if err != nil {
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return err
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}
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if err := os.Chdir(target); err == nil {
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previousDir = cwd
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}
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return err
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}
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