cmds: improve support for "git worktree" repositories when ignoring f…

…iles

Ensure that we use the linked repository path when adding files to the local
.git/info/exclude path.

Closes: #1394
Reported-by: David Bold @dschwoerer on github
Signed-off-by: David Aguilar <davvid@gmail.com>

CHANGES.rst

@@ -24,6 +24,10 @@ Usability, bells and whistles
 
 Fixes
 -----
+* The "Ignore" action in the Status context menu now supports adding to the local
+  `.git/info/exclude` when using linked repositories created using `git worktree`.
+  (`#1394 <https://github.com/git-cola/git-cola/issues/1394>`_)
+
 * The `Cmd-m` hotkey on macOS will now minimize the application. The "Amend" action
   can now be accessed using `Alt-m`.
   (`#1390 <https://github.com/git-cola/git-cola/issues/1390>`_)

cola/cmds.py

@@ -869,7 +869,7 @@ def do(self):
         new_additions = '\n'.join(self.filenames) + '\n'
         for_status = new_additions
         if self.local:
-            filename = os.path.join('.git', 'info', 'exclude')
+            filename = self.git.git_path('info', 'exclude')
         else:
             filename = '.gitignore'
         if core.exists(filename):