Fetch CI for full history and handle sparse checkout for codecov

Signed-off-by: Leander Stephen D'Souza <[email protected]>

Author: leander-dsouza

.github/workflows/ci.yml

@@ -30,6 +30,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 0
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0

test/__init__.py

@@ -14,6 +14,8 @@
 
 import yaml
 
+REPO_LINK = 'https://github.com/ros-infrastructure/vcs2l.git'
+
 
 def to_file_url(path):
     return urljoin('file:', pathname2url(path))
@@ -30,7 +32,18 @@ def setup_git_repository(temp_dir):
     repo_root = os.path.dirname(os.path.dirname(__file__))
     gitrepo_path = os.path.join(temp_dir.name, 'gitrepo')
 
-    subprocess.check_call(['git', 'clone', '--branch', 'main', repo_root, gitrepo_path])
+    commits_count = int(
+        subprocess.check_output(
+            ['git', 'rev-list', '--count', 'HEAD'], cwd=repo_root
+        ).strip()
+    )
+
+    if commits_count == 1:
+        repo_root = REPO_LINK  # codecov sparsely clones the repo
+
+    subprocess.check_call(['git', 'clone', repo_root, gitrepo_path])
+    # Rename the current branch to main to have a consistent expected output
+    subprocess.check_call(['git', 'branch', '-m', 'main'], cwd=gitrepo_path)
 
     return gitrepo_path