aerc/commands/util.go

57 lines
1.1 KiB
Go

package commands
import (
"io"
"os/exec"
"time"
"git.sr.ht/~sircmpwn/aerc/widgets"
"github.com/gdamore/tcell"
)
// 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
}