Replace string literals with constants

pre_commit/commands/run.py

@@ -9,6 +9,7 @@ import sys
 
 from identify.identify import tags_from_path
 
+import pre_commit.constants as C
 from pre_commit import color
 from pre_commit import git
 from pre_commit import output
@@ -222,10 +223,10 @@ def run(runner, args, environ=os.environ):
         logger.error('Specify both --origin and --source.')
         return 1
     if _has_unstaged_config(runner) and not no_stash:
-        logger.error(
-            'Your .pre-commit-config.yaml is unstaged.\n'
-            '`git add .pre-commit-config.yaml` to fix this.',
-        )
+        logger.error((
+            'Your {0} is unstaged.\n'
+            '`git add {0}` to fix this.'
+        ).format(C.CONFIG_FILE),)
         return 1
 
     # Expose origin / source as environment variables for hooks to consume

pre_commit/main.py

@@ -42,7 +42,7 @@ def _add_color_option(parser):
 
 def _add_config_option(parser):
     parser.add_argument(
-        '-c', '--config', default='.pre-commit-config.yaml',
+        '-c', '--config', default=C.CONFIG_FILE,
         help='Path to alternate config file',
     )
 

pre_commit/repository.py

@@ -269,14 +269,14 @@ class MetaRepository(LocalRepository):
             {
                 'id': 'check-hooks-apply',
                 'name': 'Check hooks apply to the repository',
-                'files': '.pre-commit-config.yaml',
+                'files': C.CONFIG_FILE,
                 'language': 'system',
                 'entry': _make_entry(check_hooks_apply),
             },
             {
                 'id': 'check-useless-excludes',
                 'name': 'Check for useless excludes',
-                'files': '.pre-commit-config.yaml',
+                'files': C.CONFIG_FILE,
                 'language': 'system',
                 'entry': _make_entry(check_useless_excludes),
             },

testing/fixtures.py

@@ -47,7 +47,7 @@ def modify_manifest(path):
     with io.open(manifest_path, 'w') as manifest_file:
         manifest_file.write(ordered_dump(manifest, **C.YAML_DUMP_KWARGS))
     cmd_output(
-        'git', 'commit', '-am', 'update .pre-commit-hooks.yaml', cwd=path,
+        'git', 'commit', '-am', 'update {}'.format(C.MANIFEST_FILE), cwd=path,
     )