claude-code: added 'hooks' and 'hooksDir' options to specify hooks from filesystem

tests/modules/programs/claude-code/assertion.nix

@@ -32,6 +32,12 @@
       test-command = "test content";
     };
     commandsDir = ./commands;
+
+    # assert fail: cannot set hooks and hooksDir at the same time.
+    hooks = {
+      test-hook = "test content";
+    };
+    hooksDir = ./hooks;
   };
 
   test.asserts.assertions.expected = [
@@ -39,5 +45,6 @@
     "Cannot specify both `programs.claude-code.memory.text` and `programs.claude-code.memory.source`"
     "Cannot specify both `programs.claude-code.agents` and `programs.claude-code.agentsDir`"
     "Cannot specify both `programs.claude-code.commands` and `programs.claude-code.commandsDir`"
+    "Cannot specify both `programs.claude-code.hooks` and `programs.claude-code.hooksDir`"
   ];
 }

tests/modules/programs/claude-code/default.nix

@@ -7,4 +7,5 @@
   claude-code-memory-from-source = ./memory-from-source.nix;
   claude-code-agents-dir = ./agents-dir.nix;
   claude-code-commands-dir = ./commands-dir.nix;
+  claude-code-hooks-dir = ./hooks-dir.nix;
 }

tests/modules/programs/claude-code/full-config.nix

@@ -104,6 +104,17 @@
         Focus on user-friendly explanations and examples.
       '';
     };
+
+    hooks = {
+      pre-edit = ''
+        #!/usr/bin/env bash
+        echo "About to edit file: $1"
+      '';
+      post-commit = ''
+        #!/usr/bin/env bash
+        echo "Committed with message: $1"
+      '';
+    };
   };
 
   nmt.script = ''
@@ -122,5 +133,11 @@
 
     assertFileExists home-files/.claude/commands/commit.md
     assertFileContent home-files/.claude/commands/commit.md ${./expected-commit}
+
+    assertFileExists home-files/.claude/hooks/pre-edit
+    assertFileRegex home-files/.claude/hooks/pre-edit "About to edit file"
+
+    assertFileExists home-files/.claude/hooks/post-commit
+    assertFileRegex home-files/.claude/hooks/post-commit "Committed with message"
   '';
 }

tests/modules/programs/claude-code/hooks-dir.nix

@@ -0,0 +1,14 @@
+{
+  programs.claude-code = {
+    enable = true;
+    hooksDir = ./hooks;
+  };
+
+  nmt.script = ''
+    assertFileExists home-files/.claude/hooks/test-hook
+    assertLinkExists home-files/.claude/hooks/test-hook
+    assertFileContent \
+      home-files/.claude/hooks/test-hook \
+      ${./hooks/test-hook}
+  '';
+}

tests/modules/programs/claude-code/hooks/test-hook

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+# Test hook for claude-code
+echo "Test hook executed with: $@"