Andrew's git - gitweb.git/blob - templates/hooks--update

   1#!/bin/sh
   2#
   3# An example hook script to mail out commit update information.
   4# It also blocks tags that aren't annotated.
   5# Called by git-receive-pack with arguments: refname sha1-old sha1-new
   6#
   7# To enable this hook:
   8# (1) change the recipient e-mail address
   9# (2) make this file executable by "chmod +x update".
  10#
  11
  12project=$(cat $GIT_DIR/description)
  13recipients="commit-list@somewhere.com commit-list@somewhereelse.com"
  14
  15ref_type=$(git cat-file -t "$3")
  16
  17# Only allow annotated tags in a shared repo
  18# Remove this code to treat dumb tags the same as everything else
  19case "$1","$ref_type" in
  20refs/tags/*,commit)
  21        echo "*** Un-annotated tags are not allowed in this repo" >&2
  22        echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate."
  23        exit 1;;
  24refs/tags/*,tag)
  25        echo "### Pushing version '${1##refs/tags/}' to the masses" >&2
  26        # recipients="release-announce@somwehere.com announce@somewhereelse.com"
  27        ;;
  28esac
  29
  30# set this  to 'cat' to get a very detailed listing.
  31# short only kicks in when an annotated tag is added
  32short='git shortlog'
  33
  34# see 'date --help' for info on how to write this
  35# The default is a human-readable iso8601-like format with minute
  36# precision ('2006-01-25 15:58 +0100' for example)
  37date_format="%F %R %z"
  38
  39(if expr "$2" : '0*$' >/dev/null
  40then
  41        # new ref
  42        case "$1" in
  43        refs/tags/*)
  44                # a pushed and annotated tag (usually) means a new version
  45                tag="${1##refs/tags/}"
  46                if [ "$ref_type" = tag ]; then
  47                        eval $(git cat-file tag $3 | \
  48                                sed -n '4s/tagger \([^>]*>\)[^0-9]*\([0-9]*\).*/tagger="\1" ts="\2"/p')
  49                        date=$(date --date="1970-01-01 00:00:00 $ts seconds" +"$date_format")
  50                        echo "Tag '$tag' created by $tagger at $date"
  51                        git cat-file tag $3 | sed -n '5,$p'
  52                        echo
  53                fi
  54                prev=$(git describe "$3^" | sed 's/-g.*//')
  55                # the first tag in a repo will yield no $prev
  56                if [ -z "$prev" ]; then
  57                        echo "Changes since the dawn of time:"
  58                        git rev-list --pretty $3 | $short
  59                else
  60                        echo "Changes since $prev:"
  61                        git rev-list --pretty $prev..$3 | $short
  62                        echo ---
  63                        git diff $prev..$3 | diffstat -p1
  64                        echo ---
  65                fi
  66                ;;
  67
  68        refs/heads/*)
  69                branch="${1##refs/heads/}"
  70                echo "New branch '$branch' available with the following commits:"
  71                git-rev-list --pretty "$3"
  72                ;;
  73        esac
  74else
  75        base=$(git-merge-base "$2" "$3")
  76        case "$base" in
  77        "$2")
  78                git diff "$3" "^$base" | diffstat -p1
  79                echo
  80                echo "New commits:"
  81                ;;
  82        *)
  83                echo "Rebased ref, commits from common ancestor:"
  84                ;;
  85        esac
  86        git-rev-list --pretty "$3" "^$base"
  87fi) |
  88mail -s "$project: Changes to '${1##refs/heads/}'" $recipients
  89exit 0