pre-rebase hook update
[git/git.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 # hooks.allowdeletetag
14 # This boolean sets whether deleting tags will be allowed in the
15 # repository. By default they won't be.
16 # hooks.allowdeletebranch
17 # This boolean sets whether deleting branches will be allowed in the
18 # repository. By default they won't be.
19 #
20
21 # --- Command line
22 refname="$1"
23 oldrev="$2"
24 newrev="$3"
25
26 # --- Safety check
27 if [ -z "$GIT_DIR" ]; then
28 echo "Don't run this script from the command line." >&2
29 echo " (if you want, you could supply GIT_DIR then run" >&2
30 echo " $0 <ref> <oldrev> <newrev>)" >&2
31 exit 1
32 fi
33
34 if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
35 echo "Usage: $0 <ref> <oldrev> <newrev>" >&2
36 exit 1
37 fi
38
39 # --- Config
40 allowunannotated=$(git config --bool hooks.allowunannotated)
41 allowdeletebranch=$(git config --bool hooks.allowdeletebranch)
42 allowdeletetag=$(git config --bool hooks.allowdeletetag)
43
44 # check for no description
45 projectdesc=$(sed -e '1q' "$GIT_DIR/description")
46 if [ -z "$projectdesc" -o "$projectdesc" = "Unnamed repository; edit this file to name it for gitweb." ]; then
47 echo "*** Project description file hasn't been set" >&2
48 exit 1
49 fi
50
51 # --- Check types
52 # if $newrev is 0000...0000, it's a commit to delete a ref.
53 if [ "$newrev" = "0000000000000000000000000000000000000000" ]; then
54 newrev_type=delete
55 else
56 newrev_type=$(git-cat-file -t $newrev)
57 fi
58
59 case "$refname","$newrev_type" in
60 refs/tags/*,commit)
61 # un-annotated tag
62 short_refname=${refname##refs/tags/}
63 if [ "$allowunannotated" != "true" ]; then
64 echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2
65 echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2
66 exit 1
67 fi
68 ;;
69 refs/tags/*,delete)
70 # delete tag
71 if [ "$allowdeletetag" != "true" ]; then
72 echo "*** Deleting a tag is not allowed in this repository" >&2
73 exit 1
74 fi
75 ;;
76 refs/tags/*,tag)
77 # annotated tag
78 ;;
79 refs/heads/*,commit)
80 # branch
81 ;;
82 refs/heads/*,delete)
83 # delete branch
84 if [ "$allowdeletebranch" != "true" ]; then
85 echo "*** Deleting a branch is not allowed in this repository" >&2
86 exit 1
87 fi
88 ;;
89 refs/remotes/*,commit)
90 # tracking branch
91 ;;
92 refs/remotes/*,delete)
93 # delete tracking branch
94 if [ "$allowdeletebranch" != "true" ]; then
95 echo "*** Deleting a tracking branch is not allowed in this repository" >&2
96 exit 1
97 fi
98 ;;
99 *)
100 # Anything else (is there anything else?)
101 echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2
102 exit 1
103 ;;
104 esac
105
106 # --- Finished
107 exit 0