Add :exec and :pipe -b(ackground)

commands/exec.go

@@ -0,0 +1,45 @@
+package commands
+
+import (
+	"errors"
+	"fmt"
+	"os/exec"
+	"time"
+
+	"git.sr.ht/~sircmpwn/aerc/widgets"
+
+	"github.com/gdamore/tcell"
+)
+
+type ExecCmd struct{}
+
+func init() {
+	register(ExecCmd{})
+}
+
+func (_ ExecCmd) Aliases() []string {
+	return []string{"exec"}
+}
+
+func (_ ExecCmd) Complete(aerc *widgets.Aerc, args []string) []string {
+	return nil
+}
+
+func (_ ExecCmd) Execute(aerc *widgets.Aerc, args []string) error {
+	if len(args) < 2 {
+		return errors.New("Usage: exec [cmd...]")
+	}
+	cmd := exec.Command(args[1], args[2:]...)
+	go func() {
+		err := cmd.Run()
+		if err != nil {
+			aerc.PushStatus(" "+err.Error(), 10*time.Second).
+				Color(tcell.ColorDefault, tcell.ColorRed)
+		} else {
+			aerc.PushStatus(fmt.Sprintf(
+				"%s: complete", args[0]), 10*time.Second).
+				Color(tcell.ColorDefault, tcell.ColorDefault)
+		}
+	}()
+	return nil
+}