fix(init): space between --hook-type options

there should be a space between `--hook-type` options in generated
`pre-commit` command string.

Author: Bogay

commitizen/commands/init.py

@@ -140,7 +140,7 @@ def _gen_pre_commit_cmd(self, hook_types: List[str]) -> str:
         """Generate pre-commit command according to given hook types"""
         if not hook_types:
             raise ValueError("At least 1 hook type should be provided.")
-        cmd_str = "pre-commit install " + "".join(
+        cmd_str = "pre-commit install " + " ".join(
             f"--hook-type {ty}" for ty in hook_types
         )
         return cmd_str

tests/commands/test_init_command.py

@@ -99,6 +99,12 @@ def test_init_without_choosing_tag(config, mocker: MockFixture, tmpdir):
             commands.Init(config)()
 
 
+def test_executed_pre_commit_command(config):
+    init = commands.Init(config)
+    expected_cmd = "pre-commit install --hook-type commit-msg --hook-type pre-push"
+    assert init._gen_pre_commit_cmd(["commit-msg", "pre-push"]) == expected_cmd
+
+
 @pytest.fixture(scope="function")
 def pre_commit_installed(mocker: MockFixture):
     # Assume the `pre-commit` is installed