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
  12 project=$(cat $GIT_DIR/description)
  13 recipients="commit-list@somewhere.com commit-list@somewhereelse.com"
  14
  15 ref_type=$(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
  19 case "$1","$ref_type" in
  20 refs/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;;
  24 refs/tags/*,tag)
  25         echo "### Pushing version '${1##refs/tags/}' to the masses" >&2
  26         # recipients="release-announce@somwehere.com announce@somewhereelse.com"
  27         ;;
  28 esac
  29
  30 # set this  to 'cat' to get a very detailed listing.
  31 # short only kicks in when an annotated tag is added
  32 short='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)
  37 date_format="%F %R %z"
  38
  39 (if expr "$2" : '0*$' >/dev/null
  40 then
  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 --stat $prev..$3
  64                         echo ---
  65                 fi
  66                 ;;
  67
  68         refs/heads/*)
  69                 branch="${1##refs/heads/}"
  70                 echo "New branch '$branch' available with the following commits:"
  71                 git-rev-list --pretty "$3" $(git-rev-parse --not --all)
  72                 ;;
  73         esac
  74 else
  75         base=$(git-merge-base "$2" "$3")
  76         case "$base" in
  77         "$2")
  78                 git diff --stat "$3" "^$base"
  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"
  87 fi) |
  88 mail -s "$project: Changes to '${1##refs/heads/}'" $recipients
  89 exit 0