clear screen

cmd/exec.go

@@ -9,10 +9,11 @@ import (
 
 var (
 	execCmd = &cobra.Command{
-		Use:   "exec",
-		Short: "Exec into a running task",
-		Long:  `Exec into a running nomad task`,
-		Run:   execEntrypoint,
+		Use:               "exec",
+		Short:             "Exec into a running task",
+		Long:              `Exec into a running nomad task`,
+		Run:               execEntrypoint,
+		PersistentPreRunE: func(cmd *cobra.Command, args []string) error { return nil },
 	}
 )
 
@@ -25,7 +26,6 @@ func execEntrypoint(cmd *cobra.Command, args []string) {
 	allocID := args[0]
 	task := args[1]
 	execArgs := args[2:]
-	fmt.Println(fmt.Sprintf("allocID: %s, task: %s", allocID, task))
 	_, err = nomad.AllocExec(client, allocID, task, execArgs)
 	if err != nil {
 		fmt.Println(fmt.Errorf("could not exec into task: %v", err))

internal/tui/nomad/exec.go

@@ -6,16 +6,23 @@ import (
 	"fmt"
 	"github.com/hashicorp/nomad/api"
 	"github.com/moby/term"
+	"github.com/robinovitch61/wander/internal/tui/formatter"
 	"golang.org/x/sys/unix"
 	"io"
 	"os"
 	"os/signal"
 	"syscall"
 )
 
-// TODO: code review this
-// TODO: clear screen on start of exec
-// TODO: don't print config file used on exec
+// TODO:
+// - [ ] code review this
+// - [x] clear screen on start of exec
+// - [ ] don't print config file used on exec
+// - [ ] update gif
+// - [ ] cmd human friendly (not full 36char id)
+// - [ ] warning message that "you're in wander"
+// - [ ] try with bash
+// - [ ] improve help text on wander exec
 
 type ExecCompleteMsg struct {
 	Output string
@@ -48,6 +55,10 @@ func AllocExec(client *api.Client, allocID, task string, args []string) (int, er
 func execImpl(client *api.Client, alloc *api.Allocation, task string,
 	command []string, escapeChar string, stdin io.Reader, stdout, stderr io.WriteCloser) (int, error) {
 
+	// attempt to clear screen
+	os.Stdout.Write([]byte("\033c"))
+	fmt.Println(fmt.Sprintf("Exec session for %s (%s), task %s", alloc.Name, formatter.ShortAllocID(alloc.ID), task))
+
 	sizeCh := make(chan api.TerminalSize, 1)
 
 	ctx, cancelFn := context.WithCancel(context.Background())