git_config: add support for repo-specific settings

This allows people to write ~/.repoconfig/config akin to ~/.gitconfig
and .repo/config akin to .git/config.  This allows us to add settings
specific to repo without mixing up git, and to persist in general.

Change-Id: I1c6fbe31e63fb8ce26aa85335349c6ae5b1712c6
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/255832
Reviewed-by: David Pursehouse <dpursehouse@collab.net>
Tested-by: Mike Frysinger <vapier@google.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/git_config.py b/git_config.py
index 6b1f7107..8c4efac8 100644
--- a/git_config.py
+++ b/git_config.py
@@ -88,10 +88,12 @@ def _key(name):
 class GitConfig(object):
   _ForUser = None
 
+  _USER_CONFIG = '~/.gitconfig'
+
   @classmethod
   def ForUser(cls):
     if cls._ForUser is None:
-      cls._ForUser = cls(configfile=os.path.expanduser('~/.gitconfig'))
+      cls._ForUser = cls(configfile=os.path.expanduser(cls._USER_CONFIG))
     return cls._ForUser
 
   @classmethod
@@ -373,6 +375,12 @@ class GitConfig(object):
       GitError('git config %s: %s' % (str(args), p.stderr))
 
 
+class RepoConfig(GitConfig):
+  """User settings for repo itself."""
+
+  _USER_CONFIG = '~/.repoconfig/config'
+
+
 class RefSpec(object):
   """A Git refspec line, split into its components: