Add a '--notty' option to the 'run' cmd

This disables usage of options '--tty' and '--interactive' in the 'run'
cmd (passed to (podman exec').

This is useful when executing apps from within container using dmenu,
rofi and similar tools.

Based on containers#179

cmd/run.go

@@ -34,6 +34,7 @@ var (
 	runFlags struct {
 		useDefaultContainer bool
 		releaseVersion      string
+		notty               bool
 		emitEscapeSequence  bool
 		fallbackToBash      bool
 		promptForCreate     bool
@@ -58,6 +59,7 @@ func init() {
 
 	flags.BoolVarP(&runFlags.useDefaultContainer, "default", "d", false, "Run command inside the system default container (eg. on Fedora 31 -> fedora-toolbox-31)")
 	flags.StringVarP(&runFlags.releaseVersion, "release", "r", "", "Run command inside a toolbox container with the release version")
+	flags.BoolVarP(&runFlags.notty, "notty", "n", false, "Run command inside a toolbox container but do not allocate a tty")
 	flags.BoolVar(&runFlags.emitEscapeSequence, "escape-sequence", false, "Emit an escape sequence for terminals")
 	flags.BoolVar(&runFlags.fallbackToBash, "fallback-to-bash", false, "If requested program does not exist, fallback to bash")
 	flags.BoolVar(&runFlags.promptForCreate, "prompt-for-create", true, "Offer to create a container if it does not exist")
@@ -238,11 +240,13 @@ func run(args []string) error {
 	logrus.Infof("Running in container '%s': %v", containerName, commands)
 
 	args = []string{"exec",
-		"--interactive",
-		"--tty",
 		"--user", viper.GetString("USER"),
 		"--workdir", viper.GetString("PWD")}
 
+	if !runFlags.notty {
+		args = append(args, "--interactive", "--tty")
+	}
+
 	// Add the environment variables that hold a value
 	for _, env := range preservedEnvVars {
 		value := viper.GetString(env)

doc/toolbox-run.1.md

@@ -35,6 +35,11 @@ host OS.
 Run command inside a toolbox container for a different operating system
 RELEASE than the host.
 
+**--notty** **-n**
+
+Run command inside a toolbox container but do not allocate a tty. This
+is mostly useful for running commands from dmenu, rofi and so on.
+
 ## EXAMPLES
 
 ### Run ls inside a toolbox container using the default image matching the host OS

toolbox.sh

@@ -72,6 +72,7 @@ toolbox_image=""
 toolbox_runtime_directory="$XDG_RUNTIME_DIR"/toolbox
 user_id_real=$(id -ru 2>&3)
 verbose=false
+notty=false
 
 
 LGC='\033[1;32m' # Light Green Color
@@ -1588,12 +1589,16 @@ run()
 
     $emit_escape_sequence && printf "\033]777;container;push;%s;toolbox\033\\" "$toolbox_container"
 
+    tty_arguments="--interactive --tty"
+    if $notty; then
+	tty_arguments=""
+    fi
+
     # shellcheck disable=SC2016
     # for the command passed to capsh
     # shellcheck disable=SC2086
     $podman_command exec \
-            --interactive \
-            --tty \
+            $tty_arguments \
             --user "$USER" \
             --workdir "$PWD" \
             $set_environment \
@@ -2178,7 +2183,6 @@ update_container_and_image_names()
     return 0
 }
 
-
 arguments=$(save_positional_parameters "$@")
 
 host_id=$(get_host_id)
@@ -2607,6 +2611,9 @@ case $op in
                     exit_if_non_positive_argument --release "$arg"
                     release=$arg
                     ;;
+		-n | --notty )
+		    notty=true
+		    ;;
                 * )
                     exit_if_unrecognized_option "$1"
             esac