fix(git.py): ensure signed commits in changelog when git config log.s…

commitizen/git.py

@@ -77,7 +77,9 @@ def get_commits(
     args: str = "",
 ) -> List[GitCommit]:
     """Get the commits between start and end."""
-    git_log_cmd = f"git log --pretty={log_format}{delimiter} {args}"
+    git_log_cmd = (
+        f"git -c log.showSignature=False log --pretty={log_format}{delimiter} {args}"
+    )
 
     if start:
         c = cmd.run(f"{git_log_cmd} {start}..{end}")

tests/test_git.py

@@ -1,4 +1,5 @@
 import inspect
+import shutil
 from typing import List, Optional
 
 import pytest
@@ -137,6 +138,27 @@ def test_get_commits_without_breakline_in_each_commit(mocker):
     )
 
 
+def test_get_commits_with_signature():
+    config_file = ".git/config"
+    config_backup = ".git/config.bak"
+    shutil.copy(config_file, config_backup)
+
+    try:
+        # temporarily turn on --show-signature
+        cmd.run("git config log.showsignature true")
+
+        # retrieve a commit that we know has a signature
+        commit = git.get_commits(
+            start="bec20ebf433f2281c70f1eb4b0b6a1d0ed83e9b2",
+            end="9eae518235d051f145807ddf971ceb79ad49953a",
+        )[0]
+
+        assert commit.title.startswith("fix")
+    finally:
+        # restore the repo's original config
+        shutil.move(config_backup, config_file)
+
+
 def test_get_tag_names_has_correct_arrow_annotation():
     arrow_annotation = inspect.getfullargspec(git.get_tag_names).annotations["return"]