Bug#428413: commit mail sender messes up order of arguments

[Jonathan Nieder <jrnieder@gmail.com>]

tags 428413 - wontfix
reassign 428413 git git-core/1:1.5.2.1-1
found 428413 git/1:1.7.1-1
quit

martin f krafft wrote:

> According to the default hooks/post-receive file, the hook is called
> with three arguments on stdin:
> 
>   <oldrev> <newrev> <refname>
> 
> This leads people to assume that in command-line mode, the order
> should be the same. But it's not, because the email hook instead
> calls:
> 
>   generate_email $2 $3 $1
> 
> this is at least misleading and not documented anywhere.

So maybe we should document it.

I haven’t checked that the below is actually true; I just took the
commit message to v1.5.1~9 and paraphrased it.  Thoughts?

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
---
 contrib/hooks/post-receive-email |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/contrib/hooks/post-receive-email b/contrib/hooks/post-receive-email
index 58a35c8..30ae63d 100755
--- a/contrib/hooks/post-receive-email
+++ b/contrib/hooks/post-receive-email
@@ -23,6 +23,13 @@
 # possible for the email to be from someone other than the person doing the
 # push.
 #
+# To help with debugging and use on pre-v1.5.1 git servers, this script will
+# also obey the interface of hooks/update, taking its arguments on the
+# command line.  Unfortunately, hooks/update is called once for each ref.
+# To avoid firing one email per ref, this script just prints its output to
+# the screen when used in this mode.  The output can then be redirected if
+# wanted.
+#
 # Config
 # ------
 # hooks.mailinglist
-- 
1.7.1




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