feat: add cli help menus

cmd/rip/args.go

@@ -25,6 +25,7 @@ type globalOptions struct {
 	noProgress  bool
 	noSSLVerify bool
 	verbose     int
+	help        bool
 	command     string
 	commandArgs []string
 }
@@ -45,6 +46,9 @@ func parseGlobalArgs(args []string) (globalOptions, error) {
 		}
 
 		switch {
+		case isHelpArg(arg):
+			opts.help = true
+			return opts, nil
 		case arg == "-ndb" || arg == "--no-db":
 			opts.noDB = true
 		case arg == "--no-progress":

cmd/rip/help.go

@@ -0,0 +1,160 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"strings"
+)
+
+func isHelpArg(arg string) bool {
+	return arg == "-h" || arg == "--help"
+}
+
+func commandWantsHelp(args []string) bool {
+	for _, arg := range args {
+		if isHelpArg(arg) {
+			return true
+		}
+	}
+	return false
+}
+
+func printMainHelp(w io.Writer) {
+	fmt.Fprint(w, `streamrip-go
+
+Usage:
+  rip [global options] <command> [command options]
+  rip help [command]
+
+Commands:
+  url       Rip one or more URLs
+  file      Rip URLs or IDs from a file
+  id        Rip by source, media type, and ID
+  search    Search a provider and download selected results
+  lastfm    Import a Last.fm playlist
+  config    Manage configuration
+  database  Inspect download databases
+
+Global options:
+  -f, --folder <path>        Override downloads folder
+  -q, --quality <0-4>        Override provider quality
+  -c, --codec <codec>        Convert after download: ALAC, FLAC, OGG, MP3, AAC
+  -ndb, --no-db              Ignore download database
+      --no-progress          Disable progress bars
+      --no-ssl-verify        Disable TLS verification
+      --config-path <path>   Use a custom config file
+  -v, -vv                    Verbose logging
+  -h, --help                 Show help
+
+Run 'rip help <command>' for command-specific help.
+`)
+}
+
+func printCommandHelp(w io.Writer, command string) bool {
+	switch strings.ToLower(strings.TrimSpace(command)) {
+	case "url":
+		fmt.Fprint(w, `Usage:
+  rip url <url...> [--force|--ignore-db]
+
+Rip one or more provider URLs.
+
+Examples:
+  rip url https://www.beatport.com/release/example/123
+  rip url https://play.qobuz.com/album/abc --force
+
+Options:
+  --force, --ignore-db   Redownload even if already in the database
+`)
+	case "file":
+		fmt.Fprint(w, `Usage:
+  rip file <path> [--force|--ignore-db]
+
+Rip URLs or JSON ID entries from a file.
+
+Options:
+  --force, --ignore-db   Redownload even if already in the database
+`)
+	case "id":
+		fmt.Fprint(w, `Usage:
+  rip id <source> <media-type> <id> [quality] [--force|--ignore-db]
+
+Rip an item by provider ID.
+
+Sources:
+  qobuz, tidal, deezer, yandex, beatport, soundcloud
+
+Media types:
+  track, album, playlist, artist, label, chart, video
+
+Options:
+  quality                Override quality for this rip, 0-4
+  --force, --ignore-db   Redownload even if already in the database
+`)
+	case "search":
+		fmt.Fprint(w, `Usage:
+  rip search <source> <media-type> <query...> [options]
+
+Search a provider and optionally download selected results.
+
+Sources:
+  qobuz, tidal, deezer, yandex, beatport, soundcloud
+
+Media types:
+  track, album, playlist, artist, label, chart, video
+
+Options:
+  --limit N              Maximum results to show
+  --first                Download the first result without prompting
+  --no-download          Show results only
+  --output-file <path>   Write results as JSON
+  --force, --ignore-db   Redownload even if already in the database
+`)
+	case "lastfm":
+		fmt.Fprint(w, `Usage:
+  rip lastfm [--source SOURCE] [--fallback-source SOURCE] <playlist_url>
+
+Import a Last.fm playlist and resolve tracks through configured providers.
+
+Options:
+  --source SOURCE           Primary lookup source
+  --fallback-source SOURCE  Fallback lookup source
+`)
+	case "config":
+		fmt.Fprint(w, `Usage:
+  rip config <open|reset|path> [options]
+
+Manage configuration.
+
+Commands:
+  open       Open the config file in an editor
+  reset      Reset config to defaults
+  path       Print the config path
+
+Options:
+  -v, --vim  Use Vim for 'rip config open'
+  -y, --yes  Confirm 'rip config reset' without prompting
+`)
+	case "database":
+		fmt.Fprint(w, `Usage:
+  rip database browse <downloads|failed>
+
+Inspect local download databases.
+`)
+	case "dev-help":
+		printDeveloperHelp(w)
+	default:
+		return false
+	}
+	return true
+}
+
+func printDeveloperHelp(w io.Writer) {
+	fmt.Fprint(w, `Developer smoke commands:
+  soundcloud-smoke
+  qobuz-smoke, qobuz-rip-smoke, qobuz-convert-rip-smoke
+  qobuz-album-rip-smoke, qobuz-playlist-rip-smoke, qobuz-artist-rip-smoke, qobuz-label-rip-smoke
+  qobuz-search-smoke
+  tidal-search-smoke, tidal-metadata-smoke, tidal-video-smoke
+  tidal-rip-smoke, tidal-album-rip-smoke, tidal-playlist-rip-smoke, tidal-artist-rip-smoke
+`)
+}

cmd/rip/main.go

@@ -25,10 +25,34 @@ func main() {
 		fmt.Fprintf(os.Stderr, "option error: %v\n", err)
 		os.Exit(2)
 	}
+	if gopts.help {
+		printMainHelp(os.Stdout)
+		return
+	}
 	if gopts.command == "" {
-		fmt.Println("usage: rip <command>")
+		printMainHelp(os.Stdout)
-		fmt.Println("commands: url, file, config, database, id, search, lastfm")
+		os.Exit(2)
-		fmt.Println("tip: run `rip dev-help` to list developer smoke commands")
+	}
+	if gopts.command == "help" {
+		if len(gopts.commandArgs) == 0 || isHelpArg(gopts.commandArgs[0]) {
+			printMainHelp(os.Stdout)
+			return
+		}
+		if printCommandHelp(os.Stdout, gopts.commandArgs[0]) {
+			return
+		}
+		fmt.Fprintf(os.Stderr, "unknown help topic: %s\n", gopts.commandArgs[0])
+		os.Exit(2)
+	}
+	if gopts.command == "dev-help" {
+		printDeveloperHelp(os.Stdout)
+		return
+	}
+	if commandWantsHelp(gopts.commandArgs) {
+		if printCommandHelp(os.Stdout, gopts.command) {
+			return
+		}
+		fmt.Fprintf(os.Stderr, "unknown command: %s\n", gopts.command)
 		os.Exit(2)
 	}
 
@@ -64,17 +88,11 @@ func main() {
 
 	switch os.Args[1] {
 	case "dev-help":
-		fmt.Println("developer smoke commands:")
+		printDeveloperHelp(os.Stdout)
-		fmt.Println("  soundcloud-smoke")
-		fmt.Println("  qobuz-smoke, qobuz-rip-smoke, qobuz-convert-rip-smoke")
-		fmt.Println("  qobuz-album-rip-smoke, qobuz-playlist-rip-smoke, qobuz-artist-rip-smoke, qobuz-label-rip-smoke")
-		fmt.Println("  qobuz-search-smoke")
-		fmt.Println("  tidal-search-smoke, tidal-metadata-smoke, tidal-video-smoke")
-		fmt.Println("  tidal-rip-smoke, tidal-album-rip-smoke, tidal-playlist-rip-smoke, tidal-artist-rip-smoke")
 		return
 	case "url":
 		if len(os.Args) < 3 {
-			fmt.Println("usage: rip url <url...> [--force|--ignore-db]")
+			printCommandHelp(os.Stdout, "url")
 			os.Exit(2)
 		}
 
@@ -119,7 +137,7 @@ func main() {
 		fmt.Printf("url rip complete (%d item(s))\n", added)
 	case "file":
 		if len(os.Args) < 3 {
-			fmt.Println("usage: rip file <path> [--force|--ignore-db]")
+			printCommandHelp(os.Stdout, "file")
 			os.Exit(2)
 		}
 
@@ -192,7 +210,7 @@ func main() {
 		fmt.Printf("file rip complete (%d item(s))\n", added)
 	case "config":
 		if len(os.Args) < 3 {
-			fmt.Println("usage: rip config <open|reset|path> [options]")
+			printCommandHelp(os.Stdout, "config")
 			os.Exit(2)
 		}
 		switch os.Args[2] {
@@ -258,7 +276,7 @@ func main() {
 		}
 	case "database":
 		if len(os.Args) < 4 || os.Args[2] != "browse" {
-			fmt.Println("usage: rip database browse <downloads|failed>")
+			printCommandHelp(os.Stdout, "database")
 			os.Exit(2)
 		}
 		table := strings.ToLower(strings.TrimSpace(os.Args[3]))
@@ -294,7 +312,7 @@ func main() {
 		}
 	case "id":
 		if len(os.Args) < 5 {
-			fmt.Println("usage: rip id <source> <track|album|playlist|artist|label|chart|video> <id> [quality] [--force|--ignore-db]")
+			printCommandHelp(os.Stdout, "id")
 			os.Exit(2)
 		}
 
@@ -354,7 +372,7 @@ func main() {
 		var sopts searchOptions
 		if len(os.Args) < 5 {
 			if !term.IsTerminal(int(os.Stdin.Fd())) {
-				fmt.Println("usage: rip search <qobuz|tidal|deezer|yandex|beatport|soundcloud> <track|album|playlist|artist|label|chart|video> <query...> [--limit N] [--force|--ignore-db] [--no-download]")
+				printCommandHelp(os.Stdout, "search")
 				os.Exit(2)
 			}
 			source, mediaType, sopts, err = promptSearchInteractive(cfg.Session.CLI.MaxSearchResults)
@@ -549,7 +567,7 @@ func main() {
 		opts, parseErr := parseLastFMArgs(os.Args[2:], cfg.Session.LastFM.Source, cfg.Session.LastFM.FallbackSource)
 		if parseErr != nil {
 			fmt.Fprintf(os.Stderr, "lastfm option error: %v\n", parseErr)
-			fmt.Println("usage: rip lastfm [--source SOURCE] [--fallback-source SOURCE] <playlist_url>")
+			printCommandHelp(os.Stdout, "lastfm")
 			os.Exit(2)
 		}
 

cmd/rip/main_test.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bytes"
 	"errors"
 	"os"
 	"path/filepath"
@@ -206,6 +207,58 @@ func TestParseGlobalArgsNoDBBeforeCommand(t *testing.T) {
 	}
 }
 
+func TestParseGlobalArgsHelp(t *testing.T) {
+	opts, err := parseGlobalArgs([]string{"--help"})
+	if err != nil {
+		t.Fatalf("parseGlobalArgs() error = %v", err)
+	}
+	if !opts.help {
+		t.Fatalf("expected help=true")
+	}
+}
+
+func TestCommandWantsHelp(t *testing.T) {
+	if !commandWantsHelp([]string{"https://example.com", "-h"}) {
+		t.Fatalf("expected command help")
+	}
+	if commandWantsHelp([]string{"https://example.com"}) {
+		t.Fatalf("did not expect command help")
+	}
+}
+
+func TestMainHelpHidesDeveloperCommands(t *testing.T) {
+	var buf bytes.Buffer
+	printMainHelp(&buf)
+	out := buf.String()
+	if !strings.Contains(out, "rip help [command]") || !strings.Contains(out, "Commands:") {
+		t.Fatalf("main help missing expected text: %s", out)
+	}
+	if strings.Contains(out, "dev-help") || strings.Contains(out, "smoke") {
+		t.Fatalf("main help should hide developer commands: %s", out)
+	}
+}
+
+func TestCommandHelpURL(t *testing.T) {
+	var buf bytes.Buffer
+	if !printCommandHelp(&buf, "url") {
+		t.Fatalf("expected url help")
+	}
+	out := buf.String()
+	if !strings.Contains(out, "rip url <url...>") || !strings.Contains(out, "--ignore-db") {
+		t.Fatalf("url help missing expected text: %s", out)
+	}
+}
+
+func TestPrintCommandHelpRejectsUnknown(t *testing.T) {
+	var buf bytes.Buffer
+	if printCommandHelp(&buf, "nope") {
+		t.Fatalf("unexpected help for unknown command")
+	}
+	if buf.Len() != 0 {
+		t.Fatalf("unexpected output for unknown command: %s", buf.String())
+	}
+}
+
 func TestParseGlobalArgsAllOfficialFlags(t *testing.T) {
 	opts, err := parseGlobalArgs([]string{
 		"--config-path", "/tmp/custom.toml",