Merge pull request #135 from pre-commit/install_hooks

Support --install-hooks as an option for pre-commit install

pre_commit/commands/install_uninstall.py

@@ -35,7 +35,7 @@ def make_executable(filename):
     )
 
 
-def install(runner, overwrite=False):
+def install(runner, overwrite=False, hooks=False):
     """Install the pre-commit hooks."""
     pre_commit_file = resource_filename('pre-commit-hook')
 
@@ -63,6 +63,12 @@ def install(runner, overwrite=False):
     make_executable(runner.pre_commit_path)
 
     print('pre-commit installed at {0}'.format(runner.pre_commit_path))
+
+    # If they requested we install all of the hooks, do so.
+    if hooks:
+        for repository in runner.repositories:
+            repository.require_installed()
+
     return 0
 
 

pre_commit/main.py

@@ -35,6 +35,13 @@ def main(argv):
         '-f', '--overwrite', action='store_true',
         help='Overwrite existing hooks / remove migration mode.',
     )
+    install_parser.add_argument(
+        '--install-hooks', action='store_true',
+        help=(
+            'Whether to install hook environments for all environments '
+            'in the config file.'
+        ),
+    )
 
     subparsers.add_parser('uninstall', help='Uninstall the pre-commit script.')
 
@@ -79,7 +86,9 @@ def main(argv):
     runner = Runner.create()
 
     if args.command == 'install':
-        return install(runner, overwrite=args.overwrite)
+        return install(
+            runner, overwrite=args.overwrite, hooks=args.install_hooks,
+        )
     elif args.command == 'uninstall':
         return uninstall(runner)
     elif args.command == 'clean':