mergetool: portability fix: don't use reserved word function
[git] / templates / hooks--update
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
16 refname="$1"
17 oldrev="$2"
18 newrev="$3"
19
20 # --- Safety check
21 if [ -z "$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 "  $0 <ref> <oldrev> <newrev>)" >&2
25         exit 1
26 fi
27
28 if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
29         echo "Usage: $0 <ref> <oldrev> <newrev>" >&2
30         exit 1
31 fi
32
33 # --- Config
34 allowunannotated=$(git-repo-config --bool hooks.allowunannotated)
35
36 # check for no description
37 if [ -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
40 fi
41
42 # --- Check types
43 newrev_type=$(git-cat-file -t $newrev)
44
45 case "$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                 ;;
69 esac
70
71 # --- Finished
72 exit 0