config: fix loading commands args from env vars

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

internal/config/config.go

@@ -1961,6 +1961,11 @@ func getCommandConfigsFromEnv(idx int) {
 		cfg.Env = env
 	}
 
+	args, ok := lookupStringListFromEnv(fmt.Sprintf("SFTPGO_COMMAND__COMMANDS__%v__ARGS", idx))
+	if ok {
+		cfg.Args = args
+	}
+
 	if cfg.Path != "" {
 		if len(globalConf.CommandConfig.Commands) > idx {
 			globalConf.CommandConfig.Commands[idx] = cfg

internal/config/config_test.go

@@ -924,13 +924,17 @@ func TestCommandsFromEnv(t *testing.T) {
 	os.Setenv("SFTPGO_COMMAND__COMMANDS__1__PATH", "cmd2")
 	os.Setenv("SFTPGO_COMMAND__COMMANDS__1__TIMEOUT", "20")
 	os.Setenv("SFTPGO_COMMAND__COMMANDS__1__ENV", "e=f")
+	os.Setenv("SFTPGO_COMMAND__COMMANDS__1__ARGS", "arg1, arg2")
 
 	t.Cleanup(func() {
 		os.Unsetenv("SFTPGO_COMMAND__TIMEOUT")
 		os.Unsetenv("SFTPGO_COMMAND__ENV")
 		os.Unsetenv("SFTPGO_COMMAND__COMMANDS__0__PATH")
 		os.Unsetenv("SFTPGO_COMMAND__COMMANDS__0__TIMEOUT")
-		os.Unsetenv("SFTPGO_COMMAND__COMMANDS__0__ENV")
+		os.Unsetenv("SFTPGO_COMMAND__COMMANDS__1__PATH")
+		os.Unsetenv("SFTPGO_COMMAND__COMMANDS__1__TIMEOUT")
+		os.Unsetenv("SFTPGO_COMMAND__COMMANDS__1__ENV")
+		os.Unsetenv("SFTPGO_COMMAND__COMMANDS__1__ARGS")
 	})
 
 	err = config.LoadConfig(configDir, confName)
@@ -945,6 +949,7 @@ func TestCommandsFromEnv(t *testing.T) {
 	require.Equal(t, "cmd2", commandConfig.Commands[1].Path)
 	require.Equal(t, 20, commandConfig.Commands[1].Timeout)
 	require.Equal(t, []string{"e=f"}, commandConfig.Commands[1].Env)
+	require.Equal(t, []string{"arg1", "arg2"}, commandConfig.Commands[1].Args)
 
 	err = os.Remove(configFilePath)
 	assert.NoError(t, err)