contrib/hooks/post-receive-email: Make revision display configurable

Add configuration option hooks.showrev, letting the user override how
revisions will be shown in the commit email.

Signed-off-by: Pete Harlan <pgit@pcharlan.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/contrib/hooks/post-receive-email b/contrib/hooks/post-receive-email
index 2cd373d625b373ebf6b3ead9c5a7cdb4df00f08c..28a3c0e46ecf9951f3f42a025a288a65c70e0424 100644 (file)
--- a/contrib/hooks/post-receive-email
+++ b/contrib/hooks/post-receive-email
@@ -38,6 +38,12 @@
 # hooks.emailprefix
 #   All emails have their subjects prefixed with this prefix, or "[SCM]"
 #   if emailprefix is unset, to aid filtering
+# hooks.showrev
+#   The shell command used to format each revision in the email, with
+#   "%s" replaced with the commit id.  Defaults to "git rev-list -1
+#   --pretty %s", displaying the commit id, author, date and log
+#   message.  To list full patches separated by a blank line, you
+#   could set this to "git show -C %s; echo".
 #
 # Notes
 # -----
@@ -610,7 +616,16 @@ show_new_revisions()
        fi
 
        git rev-parse --not --branches | grep -v $(git rev-parse $refname) |
-       git rev-list --pretty --stdin $revspec
+       if [ -z "$custom_showrev" ]
+       then
+               git rev-list --pretty --stdin $revspec
+       else
+               git rev-list --stdin $revspec |
+               while read onerev
+               do
+                       eval $(printf "$custom_showrev" $onerev)
+               done
+       fi
 }
 
 
@@ -650,6 +665,7 @@ recipients=$(git config hooks.mailinglist)
 announcerecipients=$(git config hooks.announcelist)
 envelopesender=$(git config hooks.envelopesender)
 emailprefix=$(git config hooks.emailprefix || echo '[SCM] ')
+custom_showrev=$(git config hooks.showrev)
 
 # --- Main loop
 # Allow dual mode: run from the command line just like the update hook, or