Make hooks/commit-msg available over HTTP

We have to move the old scproot assets into gerrit-server so they
are commonly available to both the SSH and HTTP daemon packages.

Bug: issue 392
Change-Id: Ie0dc95529f26b14535c2e1041863a441333516b3
Signed-off-by: Shawn O. Pearce <sop@google.com>
Reviewed-by: Nico Sallembien <nsallembien@google.com>
diff --git a/Documentation/cmd-hook-commit-msg.txt b/Documentation/cmd-hook-commit-msg.txt
index 34c1a4e..c773984 100644
--- a/Documentation/cmd-hook-commit-msg.txt
+++ b/Documentation/cmd-hook-commit-msg.txt
@@ -53,11 +53,13 @@
 
 OBTAINING
 ---------
-To obtain the 'commit-msg' script use scp to copy it to your
-local system:
+To obtain the 'commit-msg' script use scp, wget or curl to copy it
+to your local system:
 
   $ scp -p -P 29418 review.example.com:hooks/commit-msg .git/hooks/
 
+  $ curl http://review.example.com/tools/hooks/commit-msg
+
 SEE ALSO
 --------