Add task sidebar workflow

internal/pty/pty.go

@@ -19,11 +19,14 @@ type PTY struct {
 // Start spawns argv with stdin/stdout/stderr attached to a new PTY sized
 // (cols, rows). The returned PTY exposes the master fd for the parent to
 // read from and write to.
-func Start(argv []string, env []string, cols, rows uint16) (*PTY, error) {
+func Start(argv []string, env []string, workDir string, cols, rows uint16) (*PTY, error) {
 	if len(argv) == 0 {
 		return nil, fmt.Errorf("pty: empty argv")
 	}
 	cmd := exec.Command(argv[0], argv[1:]...)
+	if workDir != "" {
+		cmd.Dir = workDir
+	}
 	if env != nil {
 		cmd.Env = ensureTerm(env)
 	} else {

internal/pty/pty_test.go

@@ -0,0 +1,40 @@
+package pty
+
+import (
+	"io"
+	"strings"
+	"testing"
+)
+
+func TestStartHonorsWorkDir(t *testing.T) {
+	dir := t.TempDir()
+	p, err := Start([]string{"sh", "-lc", "pwd"}, nil, dir, 80, 24)
+	if err != nil {
+		t.Fatalf("start: %v", err)
+	}
+	defer p.Close()
+
+	var out strings.Builder
+	buf := make([]byte, 256)
+	for {
+		n, err := p.Read(buf)
+		if n > 0 {
+			out.Write(buf[:n])
+			if strings.Contains(out.String(), dir) {
+				break
+			}
+		}
+		if err != nil {
+			if err == io.EOF || strings.Contains(err.Error(), "input/output error") {
+				break
+			}
+			t.Fatalf("read: %v", err)
+		}
+	}
+	if err := p.Wait(); err != nil {
+		t.Fatalf("wait: %v", err)
+	}
+	if got := out.String(); !strings.Contains(got, dir) {
+		t.Fatalf("pwd output %q does not contain %q", got, dir)
+	}
+}