add no_pty conifg option to fix air-verse#533

Author: Grzegorz Marszalek

runner/config.go

@@ -94,6 +94,7 @@ type cfgMisc struct {
 type cfgScreen struct {
 	ClearOnRebuild bool `toml:"clear_on_rebuild"`
 	KeepScroll     bool `toml:"keep_scroll"`
+	NoPTY          bool `toml:"no_pty"`
 }
 
 type sliceTransformer struct{}

runner/util_linux.go

@@ -30,6 +30,21 @@ func (e *Engine) killCmd(cmd *exec.Cmd) (pid int, err error) {
 
 func (e *Engine) startCmd(cmd string) (*exec.Cmd, io.ReadCloser, io.ReadCloser, error) {
 	c := exec.Command("/bin/sh", "-c", cmd)
+	if e.config.Screen.NoPTY {
+		stderr, err := c.StderrPipe()
+		if err != nil {
+			return nil, nil, nil, err
+		}
+		stdout, err := c.StdoutPipe()
+		if err != nil {
+			return nil, nil, nil, err
+		}
+		err = c.Start()
+		if err != nil {
+			return nil, nil, nil, err
+		}
+		return c, stdout, stderr, err
+	}
 	f, err := pty.Start(c)
 	return c, f, f, err
 }