setup.c: detect $GIT_COMMON_DIR in is_git_directory()

diff --git a/Documentation/git-remote-ext.txt b/Documentation/git-remote-ext.txt
index 8cfc748ae2da4fce4c7ef804dcd50d2d923068d5..b25d0b5996b560837648c13c742bfc5ad09f0310 100644 (file)
--- a/Documentation/git-remote-ext.txt
+++ b/Documentation/git-remote-ext.txt
@@ -116,10 +116,9 @@ begins with `ext::`.  Examples:
        determined by the helper using environment variables (see
        above).
 
-Documentation
---------------
-Documentation by Ilari Liusvaara, Jonathan Nieder and the Git list
-<git@vger.kernel.org>
+SEE ALSO
+--------
+linkgit:gitremote-helpers[1]
 
 GIT
 ---