templates / hooks--updateon commit compute a CRC32 for each object as stored in a pack (78d1e84)
   1#!/bin/sh
   2#
   3# An example hook script to blocks unannotated tags from entering.
   4# Called by git-receive-pack with arguments: refname sha1-old sha1-new
   5#
   6# To enable this hook, make this file executable by "chmod +x update".
   7#
   8# Config
   9# ------
  10# hooks.allowunannotated
  11#   This boolean sets whether unannotated tags will be allowed into the
  12#   repository.  By default they won't be.
  13#
  14
  15# --- Command line
  16refname="$1"
  17oldrev="$2"
  18newrev="$3"
  19
  20# --- Safety check
  21if [ -z "$GIT_DIR" ]; then
  22        echo "Don't run this script from the command line." >&2
  23        echo " (if you want, you could supply GIT_DIR then run" >&2
  24        echo "  $0 <ref> <oldrev> <newrev>)" >&2
  25        exit 1
  26fi
  27
  28if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
  29        echo "Usage: $0 <ref> <oldrev> <newrev>" >&2
  30        exit 1
  31fi
  32
  33# --- Config
  34allowunannotated=$(git-repo-config --bool hooks.allowunannotated)
  35
  36# check for no description
  37if [ -z "$projectdesc" -o "$projectdesc" = "Unnamed repository; edit this file to name it for gitweb" ]; then
  38        echo "*** Project description file hasn't been set" >&2
  39        exit 1
  40fi
  41
  42# --- Check types
  43newrev_type=$(git-cat-file -t $newrev)
  44
  45case "$refname","$newrev_type" in
  46        refs/tags/*,commit)
  47                # un-annotated tag
  48                short_refname=${refname##refs/tags/}
  49                if [ "$allowunannotated" != "true" ]; then
  50                        echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2
  51                        echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2
  52                        exit 1
  53                fi
  54                ;;
  55        refs/tags/*,tag)
  56                # annotated tag
  57                ;;
  58        refs/heads/*,commit)
  59                # branch
  60                ;;
  61        refs/remotes/*,commit)
  62                # tracking branch
  63                ;;
  64        *)
  65                # Anything else (is there anything else?)
  66                echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2
  67                exit 1
  68                ;;
  69esac
  70
  71# --- Finished
  72exit 0