add file hint for config settings

Author: TheFox0x7

cmd/main.go

@@ -81,20 +81,23 @@ func NewMainApp(appVer AppVersion) *cli.Command {
 	app.EnableShellCompletion = true
 	app.Flags = []cli.Flag{
 		&cli.StringFlag{
-			Name:    "custom-path",
-			Aliases: []string{"C"},
-			Usage:   "Set custom path (defaults to '{WorkPath}/custom')",
+			Name:      "custom-path",
+			Aliases:   []string{"C"},
+			TakesFile: true,
+			Usage:     "Set custom path (defaults to '{WorkPath}/custom')",
 		},
 		&cli.StringFlag{
-			Name:    "config",
-			Aliases: []string{"c"},
-			Value:   setting.CustomConf,
-			Usage:   "Set custom config file (defaults to '{WorkPath}/custom/conf/app.ini')",
+			Name:      "config",
+			Aliases:   []string{"c"},
+			TakesFile: true,
+			Value:     setting.CustomConf,
+			Usage:     "Set custom config file (defaults to '{WorkPath}/custom/conf/app.ini')",
 		},
 		&cli.StringFlag{
-			Name:    "work-path",
-			Aliases: []string{"w"},
-			Usage:   "Set Gitea's working path (defaults to the Gitea's binary directory)",
+			Name:      "work-path",
+			Aliases:   []string{"w"},
+			TakesFile: true,
+			Usage:     "Set Gitea's working path (defaults to the Gitea's binary directory)",
 		},
 	}
 	// these sub-commands need to use config file

contrib/autocompletion/gitea.fish

@@ -9,9 +9,9 @@ function __fish_gitea_no_subcommand --description 'Test if there has been any su
     return 0
 end
 
-complete -c gitea -n '__fish_gitea_no_subcommand' -f -l custom-path -s C -r -d 'Set custom path (defaults to \'{WorkPath}/custom\')'
-complete -c gitea -n '__fish_gitea_no_subcommand' -f -l config -s c -r -d 'Set custom config file (defaults to \'{WorkPath}/custom/conf/app.ini\')'
-complete -c gitea -n '__fish_gitea_no_subcommand' -f -l work-path -s w -r -d 'Set Gitea\'s working path (defaults to the Gitea\'s binary directory)'
+complete -c gitea -n '__fish_gitea_no_subcommand' -l custom-path -s C -r -d 'Set custom path (defaults to \'{WorkPath}/custom\')'
+complete -c gitea -n '__fish_gitea_no_subcommand' -l config -s c -r -d 'Set custom config file (defaults to \'{WorkPath}/custom/conf/app.ini\')'
+complete -c gitea -n '__fish_gitea_no_subcommand' -l work-path -s w -r -d 'Set Gitea\'s working path (defaults to the Gitea\'s binary directory)'
 complete -c gitea -n '__fish_gitea_no_subcommand' -f -l help -s h -d 'show help'
 complete -c gitea -n '__fish_gitea_no_subcommand' -f -l version -s v -d 'print the version'
 complete -x -c gitea -n '__fish_gitea_no_subcommand' -a 'help' -d 'Shows a list of commands or help for one command'