aerc/commands/cd.go
Robin Jarry 0d645bcebd go.mod: change base git url
I'm not sure what are the implications but it seems required.

Link: https://github.com/golang/go/issues/20883
Signed-off-by: Robin Jarry <robin@jarry.cc>
2021-11-05 10:21:45 +01:00

68 lines
1.2 KiB
Go

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