Adding the option --repos-without-matches

all_repos/cli.py

@@ -61,6 +61,13 @@ def add_repos_with_matches_arg(parser: ParserType) -> None:
     )
 
 
+def add_repos_without_matches_arg(parser: ParserType) -> None:
+    parser.add_argument(
+        '--repos-without-matches', action='store_true',
+        help='only print repositories without matches.',
+    )
+
+
 def add_output_paths_arg(parser: ParserType) -> None:
     parser.add_argument(
         '--output-paths', action='store_true',

all_repos/find_files.py

@@ -74,6 +74,7 @@ def main(argv: Sequence[str] | None = None) -> int:
     )
     cli.add_common_args(parser)
     cli.add_repos_with_matches_arg(parser)
+    cli.add_repos_without_matches_arg(parser)
     cli.add_output_paths_arg(parser)
     parser.add_argument('pattern', help='the python regex to match.')
     args = parser.parse_args(argv)

all_repos/grep.py

@@ -44,6 +44,13 @@ def repos_matching(config: Config, grep_args: Sequence[str]) -> set[str]:
     return set(grep(config, ('--quiet', *grep_args)))
 
 
+def repos_not_matching(config: Config, grep_args: Sequence[str]) -> set[str]:
+    grep_ret = set(grep(config, ('--quiet', *grep_args)))
+    repos = [os.path.join(config.output_dir, repo) for repo in config.get_cloned_repos()]
+
+    return set(repos).difference(grep_ret)
+
+
 def repos_matching_cli(config: Config, grep_args: Sequence[str]) -> int:
     try:
         matching = repos_matching(config, grep_args)
@@ -54,6 +61,16 @@ def repos_matching_cli(config: Config, grep_args: Sequence[str]) -> int:
     return int(not matching)
 
 
+def repos_not_matching_cli(config: Config, grep_args: Sequence[str]) -> int:
+    try:
+        not_matching = repos_not_matching(config, grep_args)
+    except GrepError as e:
+        return e.args[0]
+    for repo in sorted(not_matching):
+        print(repo)
+    return int(not not_matching)
+
+
 def grep_cli(
         config: Config,
         grep_args: Sequence[str],
@@ -92,12 +109,15 @@ def main(argv: Sequence[str] | None = None) -> int:
     )
     cli.add_common_args(parser)
     cli.add_repos_with_matches_arg(parser)
+    cli.add_repos_without_matches_arg(parser)
     cli.add_output_paths_arg(parser)
     args, rest = parser.parse_known_args(argv)
 
     config = load_config(args.config_filename)
     if args.repos_with_matches:
         return repos_matching_cli(config, rest)
+    elif args.repos_without_matches:
+        return repos_not_matching_cli(config, rest)
     else:
         return grep_cli(
             config, rest, output_paths=args.output_paths, use_color=args.color,

tests/grep_test.py

@@ -9,6 +9,7 @@
 from all_repos.grep import grep
 from all_repos.grep import main
 from all_repos.grep import repos_matching
+from all_repos.grep import repos_not_matching
 
 
 def test_repos_matching(file_config_files):
@@ -50,6 +51,45 @@ def test_repos_matching_cli(file_config_files, capsys):
     assert out == ''
 
 
+def test_repos_not_matching(file_config_files):
+    config = load_config(file_config_files.cfg)
+    ret = repos_not_matching(config, ['^OH'])
+    assert ret == set()
+    ret = repos_not_matching(config, ['^OHAI'])
+    assert ret == {file_config_files.output_dir.join('repo2')}
+    ret = repos_not_matching(config, ['nope'])
+    assert ret == {
+        file_config_files.output_dir.join('repo1'),
+        file_config_files.output_dir.join('repo2'),
+    }
+
+
+def test_repos_not_matching_cli(file_config_files, capsys):
+    ret = main((
+        '-C', str(file_config_files.cfg), '--repos-without-matches', '^OH',
+    ))
+    assert ret == 1
+    out, _ = capsys.readouterr()
+    assert out == ''
+
+    ret = main((
+        '-C', str(file_config_files.cfg), '--repos-without-matches', 'OHAI',
+    ))
+    assert ret == 0
+    out, _ = capsys.readouterr()
+    assert out == '{}\n'.format(file_config_files.output_dir.join('repo2'))
+
+    ret = main((
+        '-C', str(file_config_files.cfg), '--repos-without-matches', 'nope',
+    ))
+    assert ret == 0
+    out, _ = capsys.readouterr()
+    assert out == '{}\n{}\n'.format(
+        file_config_files.output_dir.join('repo1'),
+        file_config_files.output_dir.join('repo2'),
+    )
+
+
 def test_grep(file_config_files):
     config = load_config(file_config_files.cfg)
     ret = grep(config, ['^OH'])