Fix IndexError when parsing malformed git remote output

coveralls/git.py

@@ -97,9 +97,10 @@ def git_info() -> dict[str, dict[str, Any]]:
             'message': gitlog('%s'),
         }
         remotes = [
-            {'name': line.split()[0], 'url': line.split()[1]}
+            {'name': parts[0], 'url': parts[1]}
             for line in run_command('git', 'remote', '-v').splitlines()
-            if '(fetch)' in line
+            if '(fetch)' in line and len(line.split()) >= 2
+            for parts in [line.split()]
         ]
     except (CoverallsException, OSError) as ex:
         # When git is not available, try env vars as per Coveralls docs:

tests/test_git_malformed_remote.py

@@ -0,0 +1,47 @@
+"""Tests for handling malformed git remote output."""
+import os
+import unittest.mock
+from coveralls.git import git_info
+
+
+class MalformedRemoteTest(unittest.TestCase):
+    @unittest.mock.patch('coveralls.git.run_command')
+    @unittest.mock.patch.dict(
+        os.environ,
+        {'GITHUB_ACTIONS': 'true', 'GITHUB_REF': 'refs/heads/main'},
+        clear=True,
+    )
+    def test_git_info_handles_malformed_remote_fetch_line(self, mock_run_command):
+        """
+        Regression test: git remote -v can output malformed lines containing
+        '(fetch)' that have fewer than 2 space-separated tokens.  The parser
+        must skip these gracefully instead of raising an IndexError.
+        """
+        def run_side_effect(*args):
+            if args == ('git', 'remote', '-v'):
+                # Simulate a malformed remote line followed by a valid one
+                return '(fetch)\norigin  https://github.com/user/repo.git (fetch)\n'
+            if args == ('git', '--no-pager', 'log', '-1', '--pretty=format:%H'):
+                return 'abc123'
+            if args == ('git', '--no-pager', 'log', '-1', '--pretty=format:%aN'):
+                return 'Test Author'
+            if args == ('git', '--no-pager', 'log', '-1', '--pretty=format:%ae'):
+                return 'test@example.com'
+            if args == ('git', '--no-pager', 'log', '-1', '--pretty=format:%cN'):
+                return 'Test Committer'
+            if args == ('git', '--no-pager', 'log', '-1', '--pretty=format:%ce'):
+                return 'committer@example.com'
+            if args == ('git', '--no-pager', 'log', '-1', '--pretty=format:%s'):
+                return 'test commit'
+            raise AssertionError(f'Unexpected git command: {args}')
+
+        mock_run_command.side_effect = run_side_effect
+
+        # This should NOT raise an IndexError
+        result = git_info()
+
+        # The malformed line should be skipped; only the valid remote should appear
+        assert result['git']['remotes'] == [{
+            'name': 'origin',
+            'url': 'https://github.com/user/repo.git',
+        }]