Add marketplace plugin show CLI

Author: SqlRush

cmd/claude/main.go

@@ -678,6 +678,8 @@ func runPluginMarketplaceCLI(state *bootstrap.State, args []string, stdout io.Wr
 		return runPluginMarketplaceUpdateCLI(state, args[1:], stdout, stderr)
 	case "plugins", "available", "browse", "discover", "search", "find":
 		return runPluginMarketplacePluginsCLI(state, args[1:], stdout, stderr)
+	case "show", "info":
+		return runPluginMarketplaceShowCLI(state, args[1:], stdout, stderr)
 	default:
 		fmt.Fprintf(stderr, "ccgo plugin marketplace: unsupported subcommand %s\n", args[0])
 		return 2
@@ -946,6 +948,82 @@ func runPluginMarketplacePluginsCLI(state *bootstrap.State, args []string, stdou
 	return 0
 }
 
+func runPluginMarketplaceShowCLI(state *bootstrap.State, args []string, stdout io.Writer, stderr io.Writer) int {
+	flags := flag.NewFlagSet("claude plugin marketplace show", flag.ContinueOnError)
+	flags.SetOutput(stderr)
+	jsonOutput := flags.Bool("json", false, "output JSON")
+	if err := flags.Parse(args); err != nil {
+		if err == flag.ErrHelp {
+			return 0
+		}
+		return 2
+	}
+	name := strings.TrimSpace(strings.Join(flags.Args(), " "))
+	if name == "" {
+		fmt.Fprintln(stderr, "ccgo plugin marketplace show: usage: claude plugin marketplace show [--json] <plugin>")
+		return 2
+	}
+	runner, err := state.ConversationRunner()
+	if err != nil {
+		fmt.Fprintf(stderr, "ccgo plugin marketplace show: %v\n", err)
+		return 1
+	}
+	settings := runnerMergedSettings(runner)
+	marketplacePlugins := pluginpkg.LoadMarketplacePluginDirsWithSettings(settings)
+	installedPlugins := pluginpkg.LoadPluginDirs(pluginpkg.InstalledPluginDirs(runner.WorkingDirectory))
+	entries := pluginCLIMarketplacePluginEntries(marketplacePlugins, installedPlugins, "")
+	entry, ok := pluginCLIMarketplaceFindEntry(entries, name)
+	if !ok {
+		fmt.Fprintf(stderr, "ccgo plugin marketplace show: plugin %q not found in configured marketplaces\n", name)
+		return 1
+	}
+	if *jsonOutput {
+		encoder := json.NewEncoder(stdout)
+		encoder.SetIndent("", "  ")
+		if err := encoder.Encode(entry); err != nil {
+			fmt.Fprintf(stderr, "ccgo plugin marketplace show: %v\n", err)
+			return 1
+		}
+		return 0
+	}
+	writePluginMarketplaceShowResult(stdout, entry)
+	return 0
+}
+
+func writePluginMarketplaceShowResult(stdout io.Writer, plugin pluginCLIAvailableEntry) {
+	status := plugin.Status
+	if status == "" {
+		status = "available"
+	}
+	lines := []string{
+		"Marketplace plugin",
+		"Name: " + plugin.Name,
+	}
+	if plugin.PluginID != "" {
+		lines = append(lines, "Plugin ID: "+plugin.PluginID)
+	}
+	if plugin.MarketplaceName != "" {
+		lines = append(lines, "Marketplace: "+plugin.MarketplaceName)
+	}
+	if plugin.Version != "" {
+		lines = append(lines, "Version: "+plugin.Version)
+	}
+	lines = append(lines, "Status: "+status)
+	if plugin.InstalledVersion != "" {
+		lines = append(lines, "Installed version: "+plugin.InstalledVersion)
+	}
+	if plugin.InstallPath != "" {
+		lines = append(lines, "Installed path: "+plugin.InstallPath)
+	}
+	if plugin.Source != "" {
+		lines = append(lines, "Source: "+plugin.Source)
+	}
+	if description := strings.TrimSpace(plugin.Description); description != "" {
+		lines = append(lines, "Description: "+description)
+	}
+	fmt.Fprintln(stdout, strings.Join(lines, "\n"))
+}
+
 func writePluginInstallResult(stdout io.Writer, result pluginpkg.PluginInstallResult) {
 	lines := []string{
 		"Plugin installed",
@@ -1258,6 +1336,37 @@ func pluginCLIMarketplacePluginEntries(marketplacePlugins []pluginpkg.LoadedPlug
 	return out
 }
 
+func pluginCLIMarketplaceFindEntry(entries []pluginCLIAvailableEntry, name string) (pluginCLIAvailableEntry, bool) {
+	name = strings.TrimSpace(name)
+	if name == "" {
+		return pluginCLIAvailableEntry{}, false
+	}
+	for _, entry := range entries {
+		for _, candidate := range pluginCLIMarketplaceEntryNames(entry) {
+			if strings.EqualFold(candidate, name) {
+				return entry, true
+			}
+		}
+	}
+	return pluginCLIAvailableEntry{}, false
+}
+
+func pluginCLIMarketplaceEntryNames(entry pluginCLIAvailableEntry) []string {
+	var names []string
+	for _, candidate := range []string{
+		entry.PluginID,
+		entry.Name,
+		entry.Name + "@" + entry.MarketplaceName,
+		entry.Name + "@" + entry.Version,
+	} {
+		candidate = strings.TrimSpace(strings.Trim(candidate, "@"))
+		if candidate != "" {
+			names = append(names, candidate)
+		}
+	}
+	return names
+}
+
 func pluginCLIMarketplaceEntryMatches(entry pluginCLIAvailableEntry, query string) bool {
 	fields := []string{
 		entry.PluginID,

cmd/claude/main_test.go

@@ -2352,6 +2352,49 @@ func TestRunPluginListJSONAvailable(t *testing.T) {
 	if len(marketplacePayload) != 1 || marketplacePayload[0]["pluginId"] != "lint tool@team" || marketplacePayload[0]["status"] != "available" {
 		t.Fatalf("marketplace json = %#v", marketplacePayload)
 	}
+
+	stdout.Reset()
+	stderr.Reset()
+	code = run([]string{"--cwd", project, "plugin", "marketplace", "show", "market", "demo"}, strings.NewReader(""), &stdout, &stderr)
+	if code != 0 {
+		t.Fatalf("marketplace show exit=%d stdout=%q stderr=%q", code, stdout.String(), stderr.String())
+	}
+	for _, want := range []string{
+		"Marketplace plugin",
+		"Name: market demo",
+		"Plugin ID: market demo@team",
+		"Marketplace: team",
+		"Version: 2.0.0",
+		"Status: update available",
+		"Installed version: 1.0.0",
+		"Installed path: " + expectedInstalledDir,
+		"Description: Deploy marketplace plugin",
+	} {
+		if !strings.Contains(stdout.String(), want) {
+			t.Fatalf("marketplace show missing %q: %q", want, stdout.String())
+		}
+	}
+
+	stdout.Reset()
+	stderr.Reset()
+	code = run([]string{"--cwd", project, "plugin", "marketplace", "info", "--json", "lint tool@team"}, strings.NewReader(""), &stdout, &stderr)
+	if code != 0 {
+		t.Fatalf("marketplace info json exit=%d stdout=%q stderr=%q", code, stdout.String(), stderr.String())
+	}
+	var marketplaceInfo map[string]any
+	if err := json.Unmarshal(stdout.Bytes(), &marketplaceInfo); err != nil {
+		t.Fatalf("invalid marketplace info json stdout %q: %v", stdout.String(), err)
+	}
+	if marketplaceInfo["pluginId"] != "lint tool@team" || marketplaceInfo["name"] != "lint tool" || marketplaceInfo["status"] != "available" {
+		t.Fatalf("marketplace info json = %#v", marketplaceInfo)
+	}
+
+	stdout.Reset()
+	stderr.Reset()
+	code = run([]string{"--cwd", project, "plugin", "marketplace", "show", "missing"}, strings.NewReader(""), &stdout, &stderr)
+	if code != 1 || !strings.Contains(stderr.String(), `plugin "missing" not found`) {
+		t.Fatalf("marketplace missing exit=%d stdout=%q stderr=%q", code, stdout.String(), stderr.String())
+	}
 }
 
 func TestRunPluginValidateCLI(t *testing.T) {

docs/cc-100-roadmap.md

@@ -325,6 +325,8 @@ M8/CLI 补充：`claude plugin marketplace refresh` 与 `reload` 现在作为 `u
 
 M8/CLI 补充：`claude plugin marketplace plugins|available|browse|discover|search|find [--json] [query]` 现在可直接浏览 configured marketplace 插件，文本与 JSON 输出都会标注 marketplace、version、description 和 available/installed/update-available 状态，复用当前 settings marketplace loader 和本地 installed plugin detection。
 
+M8/CLI 补充：`claude plugin marketplace show|info [--json] <plugin>` 现在可查看 configured marketplace 中单个插件详情，支持 name、`name@marketplace`、`name@version` 精确匹配，并在文本/JSON 中输出 marketplace、version、source、description、installed version/path 和 available/installed/update 状态。
+
 M8 补充：headless `/plugin list|status` 现在会按 `enabledPlugins` 的 true/false 统计 enabled 数量并列出 enabled/disabled/configured 状态明细，方便验证本地 plugin lifecycle 状态。
 
 M8 补充：`enabledPlugins` 的 disabled 状态现在会过滤本地 plugin manifest 产生的 slash command、Skill tool prompt、agent/MCP/output-style/status/stream-init metadata，`/plugin disable <name>` 写入配置后不再只影响展示层；marketplace 下载/安装、版本解析、动态 refresh lifecycle 和完整 UI 管理仍待补齐。

docs/claude-code-go-rewrite-plan.md

@@ -905,6 +905,7 @@ test/parity/                 # golden tests against TS/official behavior
 - 本轮补充：CLI `plugin uninstall|remove|rm [--scope user|project|local] [--keep-data] <plugin>` 现在复用共享安全卸载 API，默认 user scope，支持 remove/rm alias 和 `--keep-data` 兼容参数。
 - 本轮补充：CLI `plugin list` 现在会显式展示 installed plugin root 的加载错误，坏 manifest 会作为 `failed to load` entry 出现在文本输出中，JSON 输出也会带 `errors`，不再被 `LoadPluginDirs` 静默跳过。
 - 本轮补充：CLI `plugin marketplace add` 现在支持官方 `--sparse <path>` repeat 参数，仅允许 github/git marketplace source 使用，并写入 settings source 的 `sparsePaths`。
+- 本轮补充：CLI `plugin marketplace show|info [--json] <plugin>` 现在可查看 configured marketplace 中单个插件详情，支持 name、`name@marketplace`、`name@version` 精确匹配，并输出 marketplace、version、source、description、installed version/path 和 available/installed/update 状态。
 
 - 本轮补充：bridge-safe 内置本地命令 `/summary`、`/release-notes`、`/files` 现在已注册并接入 no-query runner 路径；`/summary` 输出确定性的会话/历史消息计数、工具使用计数、估算 token 和最近用户/助手预览，`/files` 只读列出当前工作目录第一层条目而不读取文件内容，`/release-notes` 明确报告当前 Go runtime 未打包 release notes。完整 local-jsx UI surface 和其它本地命令 parity 仍需继续补。