info: improve usage

PlakarKorp · Feb 6, 2025 · f87b264 · f87b264
1 parent c7a6b4d
commit f87b264
Showing 1 changed file with 13 additions and 4 deletions.
diff --git a/cmd/plakar/subcommands/info/info.go b/cmd/plakar/subcommands/info/info.go
@@ -38,13 +38,22 @@ func parse_cmd_info(ctx *appcontext.AppContext, repo *repository.Repository, arg
 	}
 
 	flags := flag.NewFlagSet("info", flag.ExitOnError)
+	flags.Usage = func() {
+		fmt.Fprintf(flags.Output(), "Usage: %s\n", flags.Name())
+		fmt.Fprintf(flags.Output(), "       %s snapshot SNAPSHOT\n", flags.Name())
+		fmt.Fprintf(flags.Output(), "       %s errors SNAPSHOT\n", flags.Name())
+		fmt.Fprintf(flags.Output(), "       %s state [STATE]...\n", flags.Name())
+		fmt.Fprintf(flags.Output(), "       %s packfile [PACKFILE]...\n", flags.Name())
+		fmt.Fprintf(flags.Output(), "       %s object [OBJECT]\n", flags.Name())
+		fmt.Fprintf(flags.Output(), "       %s vfs SNAPSHOT[:PATH]\n", flags.Name())
+	}
 	flags.Parse(args)
 
 	// Determine which concept to show information for based on flags.Args()[0]
 	switch flags.Arg(0) {
 	case "snapshot":
 		if len(flags.Args()) < 2 {
-			return nil, fmt.Errorf("usage: %s snapshot snapshotID", flags.Name())
+			return nil, fmt.Errorf("usage: %s snapshot SNAPSHOT", flags.Name())
 		}
 		return &InfoSnapshot{
 			RepositoryLocation: repo.Location(),
@@ -53,7 +62,7 @@ func parse_cmd_info(ctx *appcontext.AppContext, repo *repository.Repository, arg
 		}, nil
 	case "errors":
 		if len(flags.Args()) < 2 {
-			return nil, fmt.Errorf("usage: %s errors snapshotID", flags.Name())
+			return nil, fmt.Errorf("usage: %s errors SNAPSHOT", flags.Name())
 		}
 		return &InfoErrors{
 			RepositoryLocation: repo.Location(),
@@ -74,7 +83,7 @@ func parse_cmd_info(ctx *appcontext.AppContext, repo *repository.Repository, arg
 		}, nil
 	case "object":
 		if len(flags.Args()) < 2 {
-			return nil, fmt.Errorf("usage: %s object objectID", flags.Name())
+			return nil, fmt.Errorf("usage: %s object OBJECT", flags.Name())
 		}
 		return &InfoObject{
 			RepositoryLocation: repo.Location(),
@@ -83,7 +92,7 @@ func parse_cmd_info(ctx *appcontext.AppContext, repo *repository.Repository, arg
 		}, nil
 	case "vfs":
 		if len(flags.Args()) < 2 {
-			return nil, fmt.Errorf("usage: %s vfs snapshotPathname", flags.Name())
+			return nil, fmt.Errorf("usage: %s vfs SNAPSHOT[:PATH]", flags.Name())
 		}
 		return &InfoVFS{
 			RepositoryLocation: repo.Location(),