post-receive-email: hooks.showrev: show how to include both web link and patch

Add a comment showing how to include a web link (i.e. gitweb/cgit)
and a patch in the email that is sent for each pushed commit.

The quoting was tricky enough that it's worth documenting.  To add
two blank lines (i.e. put \n\n in the printf), you would need to
say \\\\n\\\\n, and in the end, the pair of "echo" statements seemed
better.  This is used in glibc.git repository:

  http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=summary

push-triggered messages have been sent to this list since May 21:

  http://sourceware.org/ml/glibc-cvs/2009-q2/

Signed-off-by: Junio C Hamano <gitster@pobox.com>

0 files changed, 0 insertions, 0 deletions