# HG changeset patch
# User Takumi IINO <trot.thunder@gmail.com>
# Date 1397653466 -32400
# Node ID 9c6f083eecad95ee124fa063fa174096126bdad2
# Parent  40c43c02f5b1276409a8e71d95e1671b4277e34f
gignore: remove illegal components (issue92)

mercurial can't ignore .hg direcotry.

diff --git a/hggit/gitdirstate.py b/hggit/gitdirstate.py
--- a/hggit/gitdirstate.py
+++ b/hggit/gitdirstate.py
@@ -39,6 +39,8 @@
         if line.startswith('!'):
             warnings.append(_("unsupported ignore pattern '%s'") % line)
             continue
+        if re.match(r'(:?.*/)?\.hg(:?/|$)', line):
+            continue
         rootprefix = '%s/' % root if root else ''
         if line.startswith('/'):
             line = line[1:]
diff --git a/tests/test-gitignore.t b/tests/test-gitignore.t
--- a/tests/test-gitignore.t
+++ b/tests/test-gitignore.t
@@ -67,6 +67,44 @@
   ? dir/.gitignore
   ? dir/bar
 
+  $ echo '.hg/' > .gitignore
+  $ hg status
+  ? .gitignore
+  ? bar
+  ? dir/.gitignore
+  ? dir/bar
+  ? foo
+  ? foobar
+
+  $ echo 'dir/.hg/' > .gitignore
+  $ hg status
+  ? .gitignore
+  ? bar
+  ? dir/.gitignore
+  ? dir/bar
+  ? foo
+  ? foobar
+
+  $ echo '.hg/foo' > .gitignore
+  $ hg status
+  ? .gitignore
+  ? bar
+  ? dir/.gitignore
+  ? dir/bar
+  ? foo
+  ? foobar
+
+  $ touch foo.hg
+  $ echo 'foo.hg' > .gitignore
+  $ hg status
+  ? .gitignore
+  ? bar
+  ? dir/.gitignore
+  ? dir/bar
+  ? foo
+  ? foobar
+  $ rm foo.hg
+
   $ touch .hgignore
   $ hg status
   ? .gitignore