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package commands
import (
"fmt"
"io"
"os"
"os/exec"
"path/filepath"
"strings"
"time"
"git.sr.ht/~sircmpwn/aerc/widgets"
"github.com/gdamore/tcell"
"github.com/mitchellh/go-homedir"
)
// QuickTerm is an ephemeral terminal for running a single command and quiting.
func QuickTerm(aerc *widgets.Aerc, args []string, stdin io.Reader) (*widgets.Terminal, error) {
cmd := exec.Command(args[0], args[1:]...)
pipe, err := cmd.StdinPipe()
if err != nil {
return nil, err
}
term, err := widgets.NewTerminal(cmd)
if err != nil {
return nil, err
}
term.OnClose = func(err error) {
if err != nil {
aerc.PushError(" " + err.Error())
// remove the tab on error, otherwise it gets stuck
aerc.RemoveTab(term)
} else {
aerc.PushStatus("Process complete, press any key to close.",
10*time.Second)
term.OnEvent = func(event tcell.Event) bool {
aerc.RemoveTab(term)
return true
}
}
}
term.OnStart = func() {
status := make(chan error, 1)
go func() {
_, err := io.Copy(pipe, stdin)
defer pipe.Close()
status <- err
}()
err := <-status
if err != nil {
aerc.PushError(" " + err.Error())
}
}
return term, nil
}
// CompletePath provides filesystem completions given a starting path.
func CompletePath(path string) []string {
if path == "" {
// default to cwd
cwd, err := os.Getwd()
if err != nil {
return nil
}
path = cwd
}
path, err := homedir.Expand(path)
if err != nil {
return nil
}
// strip trailing slashes, etc.
path = filepath.Clean(path)
if _, err := os.Stat(path); os.IsNotExist(err) {
// if the path doesn't exist, it is likely due to it being a partial path
// in this case, we want to return possible matches (ie /hom* should match
// /home)
matches, err := filepath.Glob(fmt.Sprintf("%s*", path))
if err != nil {
return nil
}
for i, m := range matches {
if isDir(m) {
matches[i] = m + "/"
}
}
return matches
}
files := listDir(path, false)
for i, f := range files {
f = filepath.Join(path, f)
if isDir(f) {
f += "/"
}
files[i] = f
}
return files
}
func isDir(path string) bool {
info, err := os.Stat(path)
if err != nil {
return false
}
return info.IsDir()
}
// return all filenames in a directory, optionally including hidden files
func listDir(path string, hidden bool) []string {
f, err := os.Open(path)
if err != nil {
return []string{}
}
files, err := f.Readdirnames(-1) // read all dir names
if err != nil {
return []string{}
}
if hidden {
return files
}
var filtered []string
for _, g := range files {
if !strings.HasPrefix(g, ".") {
filtered = append(filtered, g)
}
}
return filtered
}
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