fix(hooks): an empty command list no longer leaves a bare heading

src/commands/hook_commands.rs

@@ -511,32 +511,15 @@ fn render_user_hooks(
         .filter_map(|ht| user_hooks.get(ht).map(|cfg| (ht, cfg)))
         .collect();
 
-    let mut has_any = false;
-    for (hook_type, cfg) in &hooks {
-        // Apply filter if specified
-        if let Some(f) = filter
-            && f != *hook_type
-        {
-            continue;
-        }
-
-        has_any = true;
-        render_hook_commands(
-            out,
-            *hook_type,
-            cfg,
-            HookSource::User,
-            approvals,
-            project_id,
-            ctx,
-        )?;
-    }
-
-    if !has_any {
-        writeln!(out, "{}", hint_message("(none configured)"))?;
-    }
-
-    Ok(())
+    render_hook_section(
+        out,
+        &hooks,
+        HookSource::User,
+        approvals,
+        project_id,
+        filter,
+        ctx,
+    )
 }
 
 /// Render project hooks section
@@ -572,25 +555,42 @@ fn render_project_hooks(
         .filter_map(|ht| config.hooks.get(ht).map(|cfg| (ht, cfg)))
         .collect();
 
+    render_hook_section(
+        out,
+        &hooks,
+        HookSource::Project,
+        approvals,
+        project_id,
+        filter,
+        ctx,
+    )
+}
+
+/// Render a section's body: every hook that survives `filter`, or
+/// `(none configured)` when that leaves the section with nothing.
+///
+/// The fallback keys off what was printed, not off what the config declared —
+/// a hook type carrying an empty command list (`post-switch = []`) has an entry
+/// but no commands to show, and a section holding only those is empty.
+fn render_hook_section(
+    out: &mut String,
+    hooks: &[(HookType, &CommandConfig)],
+    source: HookSource,
+    approvals: &Approvals,
+    project_id: Option<&str>,
+    filter: Option<HookType>,
+    ctx: Option<&CommandContext>,
+) -> anyhow::Result<()> {
     let mut has_any = false;
-    for (hook_type, cfg) in &hooks {
-        // Apply filter if specified
+    for (hook_type, config) in hooks {
         if let Some(f) = filter
             && f != *hook_type
         {
             continue;
         }
 
-        has_any = true;
-        render_hook_commands(
-            out,
-            *hook_type,
-            cfg,
-            HookSource::Project,
-            approvals,
-            project_id,
-            ctx,
-        )?;
+        has_any |=
+            render_hook_commands(out, *hook_type, config, source, approvals, project_id, ctx)?;
     }
 
     if !has_any {
@@ -600,7 +600,7 @@ fn render_project_hooks(
     Ok(())
 }
 
-/// Render commands for a single hook type
+/// Render commands for a single hook type, reporting whether it wrote any.
 fn render_hook_commands(
     out: &mut String,
     hook_type: HookType,
@@ -609,8 +609,10 @@ fn render_hook_commands(
     approvals: &Approvals,
     project_id: Option<&str>,
     ctx: Option<&CommandContext>,
-) -> anyhow::Result<()> {
+) -> anyhow::Result<bool> {
+    let mut wrote_any = false;
     for row in hook_command_rows(config, ctx, hook_type, source)? {
+        wrote_any = true;
         let label = command_label(hook_type, row.name.as_deref());
 
         let needs_approval = needs_approval(source, approvals, project_id, &row.template);
@@ -627,7 +629,7 @@ fn render_hook_commands(
         writeln!(out, "{}", format_bash_with_gutter(shown))?;
     }
 
-    Ok(())
+    Ok(wrote_any)
 }
 
 /// Whether a listed command still needs the user's approval to run.
@@ -666,8 +668,9 @@ struct HookCommandRow {
 /// builds what actually executes, so every context key the execution path
 /// gains reaches this preview with no second edit here. Rendering then goes
 /// through [`render_template_preview`], shared with `wt hook <type>
-/// --dry-run`, which shows a `vars.*` template raw — its values resolve from
-/// git config when the step runs, possibly written by an earlier step.
+/// --dry-run`, which renders each `{{ vars.<key> }}` as itself while the rest
+/// of the template expands — those values resolve from git config when the
+/// step runs, possibly written by an earlier step.
 ///
 /// A manual invocation has no source or destination worktree, so the
 /// directional vars come from [`build_manual_hook_template_vars`], exactly as

tests/integration_tests/hook_show.rs

@@ -320,6 +320,32 @@ url = "http://localhost:8080"
     });
 }
 
+/// A hook type declared with an empty command list contributes no commands, so
+/// both sections read as `(none configured)` rather than a bare heading.
+#[rstest]
+fn test_hook_show_empty_command_lists(repo: TestRepo, temp_home: TempDir) {
+    repo.write_test_config(
+        r#"post-switch = []
+"#,
+    );
+
+    repo.write_project_config(
+        r#"pre-merge = []
+"#,
+    );
+    repo.commit("Add project config with an empty hook list");
+
+    let settings = setup_snapshot_settings_with_home(&repo, &temp_home);
+    settings.bind(|| {
+        let mut cmd = wt_command();
+        repo.configure_wt_cmd(&mut cmd);
+        cmd.arg("hook").arg("show").current_dir(repo.root_path());
+        set_temp_home_env(&mut cmd, temp_home.path());
+
+        assert_cmd_snapshot!(cmd);
+    });
+}
+
 #[rstest]
 fn test_hook_show_outside_git_repo(temp_home: TempDir) {
     let temp_dir = tempfile::tempdir().unwrap();

tests/snapshots/integration__integration_tests__hook_show__hook_show_empty_command_lists.snap

@@ -0,0 +1,56 @@
+---
+source: tests/integration_tests/hook_show.rs
+info:
+  program: wt
+  args:
+    - hook
+    - show
+  env:
+    APPDATA: "[TEST_CONFIG_HOME]"
+    CLAUDE_CONFIG_DIR: "[TEST_CLAUDE_CONFIG]"
+    CLICOLOR_FORCE: "1"
+    COLUMNS: "500"
+    GIT_ALLOW_PROTOCOL: file
+    GIT_AUTHOR_DATE: "2025-01-01T00:00:00Z"
+    GIT_COMMITTER_DATE: "2025-01-01T00:00:00Z"
+    GIT_CONFIG_GLOBAL: "[TEST_GIT_CONFIG]"
+    GIT_CONFIG_SYSTEM: /dev/null
+    GIT_TERMINAL_PROMPT: "0"
+    HOME: "[TEST_HOME]"
+    LANG: C
+    LC_ALL: C
+    LLVM_PROFILE_FILE: "[LLVM_PROFILE_FILE]"
+    OPENCODE_CONFIG_DIR: "[TEST_OPENCODE_CONFIG]"
+    PATH: "[PATH]"
+    TERM: alacritty
+    USERPROFILE: "[TEST_HOME]"
+    WORKTRUNK_APPROVALS_PATH: "[TEST_APPROVALS]"
+    WORKTRUNK_CONFIG_PATH: "[TEST_CONFIG]"
+    WORKTRUNK_SYSTEM_CONFIG_PATH: "[TEST_SYSTEM_CONFIG]"
+    WORKTRUNK_TEST_BASH_INSTALLED: "0"
+    WORKTRUNK_TEST_CLAUDE_INSTALLED: "0"
+    WORKTRUNK_TEST_CODEX_INSTALLED: "0"
+    WORKTRUNK_TEST_DELAYED_STREAM_MS: "-1"
+    WORKTRUNK_TEST_EPOCH: "1735776000"
+    WORKTRUNK_TEST_FISH_INSTALLED: "0"
+    WORKTRUNK_TEST_GEMINI_INSTALLED: "0"
+    WORKTRUNK_TEST_MOCK_CONFIG_DIR: "[TEST_MOCK_CONFIG]"
+    WORKTRUNK_TEST_NUSHELL_ENV: "0"
+    WORKTRUNK_TEST_OPENCODE_INSTALLED: "0"
+    WORKTRUNK_TEST_PARENT_SHELL: ""
+    WORKTRUNK_TEST_POWERSHELL_ENV: "0"
+    WORKTRUNK_TEST_POWERSHELL_INSTALLED: "0"
+    WORKTRUNK_TEST_SKIP_URL_HEALTH_CHECK: "1"
+    WORKTRUNK_TEST_ZSH_INSTALLED: "0"
+    XDG_CONFIG_HOME: "[TEST_CONFIG_HOME]"
+---
+success: true
+exit_code: 0
+----- stdout -----
+USER HOOKS @ [TEST_CONFIG]
+↳ (none configured)
+
+PROJECT HOOKS @ _REPO_/.config/wt.toml
+↳ (none configured)
+
+----- stderr -----