post-receive-email: document command-line mode
authorJonathan Nieder <jrnieder@gmail.com>
Wed, 19 May 2010 19:01:47 +0000 (14:01 -0500)
committerJunio C Hamano <gitster@pobox.com>
Thu, 20 May 2010 03:45:30 +0000 (20:45 -0700)
commitcc24a1d809c75f0b6e5b1e56134b5127196bb2fb
tree3de582e782f0eae48363adf8ec87a254448dd7a4
parentd07ef715757ab1c2436c59adca92484fa46b2b41
post-receive-email: document command-line mode

According to the default hooks/post-receive file, the hook is called
with three arguments on stdin:

  <oldrev> <newrev> <refname>

In command-line mode, the arguments come in a different order, because
the email hook instead calls:

  generate_email $2 $3 $1

Add a comment to explain why, based on comments from the mailing list
and the commit message to v1.5.1~9.  Thanks to Andy for the
explanation.

Requested-by: martin f. krafft <madduck@debian.org>
Cc: Andy Parkins <andyparkins@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
contrib/hooks/post-receive-email