feat: update plugin functionality in main.go and plugin.go files

- Add a new flag to the main.go file
- Add a new field to the Plugin type in the plugin.go file
- Remove two lines from the plugin_test.go file

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

main.go

@@ -220,6 +220,11 @@ func main() {
 			Usage:   "pass all environment variable to shell script",
 			EnvVars: []string{"PLUGIN_ALLENVS", "INPUT_ALLENVS"},
 		},
+		&cli.BoolFlag{
+			Name:    "request-pty",
+			Usage:   "request a pseudo-terminal from the server",
+			EnvVars: []string{"PLUGIN_REQUEST_PTY", "INPUT_REQUEST_PTY"},
+		},
 	}
 
 	// Override a template
@@ -288,6 +293,7 @@ func run(c *cli.Context) error {
 			Ciphers:           c.StringSlice("ciphers"),
 			UseInsecureCipher: c.Bool("useInsecureCipher"),
 			AllEnvs:           c.Bool("allenvs"),
+			RequireTty:        c.Bool("request-pty"),
 			Proxy: easyssh.DefaultConfig{
 				Key:               c.String("proxy.ssh-key"),
 				KeyPath:           c.String("proxy.key-path"),

plugin.go

@@ -44,6 +44,7 @@ type (
 		UseInsecureCipher bool
 		EnvsFormat        string
 		AllEnvs           bool
+		RequireTty        bool
 	}
 
 	// Plugin structure
@@ -85,6 +86,7 @@ func (p Plugin) exec(host string, wg *sync.WaitGroup, errChannel chan error) {
 		Ciphers:           p.Config.Ciphers,
 		Fingerprint:       p.Config.Fingerprint,
 		UseInsecureCipher: p.Config.UseInsecureCipher,
+		RequestPty:        p.Config.RequireTty,
 		Proxy: easyssh.DefaultConfig{
 			Server:            p.Config.Proxy.Server,
 			User:              p.Config.Proxy.User,

plugin_test.go

@@ -925,9 +925,9 @@ func TestSudoCommand(t *testing.T) {
 		buffer   bytes.Buffer
 		expected = `
 			======CMD======
-			whoami
+			sudo su - -c "whoami"
 			======END======
-			out: drone-scp
+			out: root
 		`
 	)
 
@@ -941,6 +941,7 @@ func TestSudoCommand(t *testing.T) {
 				`sudo su - -c "whoami"`,
 			},
 			CommandTimeout: 10 * time.Second,
+			RequireTty:     true,
 		},
 		Writer: &buffer,
 	}