fd63b2d662dbcf98ec622a1ab754d041a559e3be
[tietoopcom] / update.sample
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, rename this file to "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.allowmodifytag
17 #   This boolean sets whether a tag may be modified after creation. By default
18 #   it won't be.
19 # hooks.allowdeletebranch
20 #   This boolean sets whether deleting branches will be allowed in the
21 #   repository.  By default they won't be.
22 # hooks.denycreatebranch
23 #   This boolean sets whether remotely creating branches will be denied
24 #   in the repository.  By default this is allowed.
25 #
26
27 # --- Command line
28 refname="$1"
29 oldrev="$2"
30 newrev="$3"
31
32 # --- Safety check
33 if [ -z "$GIT_DIR" ]; then
34         echo "Don't run this script from the command line." >&2
35         echo " (if you want, you could supply GIT_DIR then run" >&2
36         echo "  $0 <ref> <oldrev> <newrev>)" >&2
37         exit 1
38 fi
39
40 if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
41         echo "Usage: $0 <ref> <oldrev> <newrev>" >&2
42         exit 1
43 fi
44
45 # --- Config
46 allowunannotated=$(git config --bool hooks.allowunannotated)
47 allowdeletebranch=$(git config --bool hooks.allowdeletebranch)
48 denycreatebranch=$(git config --bool hooks.denycreatebranch)
49 allowdeletetag=$(git config --bool hooks.allowdeletetag)
50 allowmodifytag=$(git config --bool hooks.allowmodifytag)
51
52 # check for no description
53 projectdesc=$(sed -e '1q' "$GIT_DIR/description")
54 case "$projectdesc" in
55 "Unnamed repository"* | "")
56         echo "*** Project description file hasn't been set" >&2
57         exit 1
58         ;;
59 esac
60
61 # --- Check types
62 # if $newrev is 0000...0000, it's a commit to delete a ref.
63 zero="0000000000000000000000000000000000000000"
64 if [ "$newrev" = "$zero" ]; then
65         newrev_type=delete
66 else
67         newrev_type=$(git-cat-file -t $newrev)
68 fi
69
70 case "$refname","$newrev_type" in
71         refs/tags/*,commit)
72                 # un-annotated tag
73                 short_refname=${refname##refs/tags/}
74                 if [ "$allowunannotated" != "true" ]; then
75                         echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2
76                         echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2
77                         exit 1
78                 fi
79                 ;;
80         refs/tags/*,delete)
81                 # delete tag
82                 if [ "$allowdeletetag" != "true" ]; then
83                         echo "*** Deleting a tag is not allowed in this repository" >&2
84                         exit 1
85                 fi
86                 ;;
87         refs/tags/*,tag)
88                 # annotated tag
89                 if [ "$allowmodifytag" != "true" ] && git rev-parse $refname > /dev/null 2>&1
90                 then
91                         echo "*** Tag '$refname' already exists." >&2
92                         echo "*** Modifying a tag is not allowed in this repository." >&2
93                         exit 1
94                 fi
95                 ;;
96         refs/heads/*,commit)
97                 # branch
98                 if [ "$oldrev" = "$zero" -a "$denycreatebranch" = "true" ]; then
99                         echo "*** Creating a branch is not allowed in this repository" >&2
100                         exit 1
101                 fi
102                 ;;
103         refs/heads/*,delete)
104                 # delete branch
105                 if [ "$allowdeletebranch" != "true" ]; then
106                         echo "*** Deleting a branch is not allowed in this repository" >&2
107                         exit 1
108                 fi
109                 ;;
110         refs/remotes/*,commit)
111                 # tracking branch
112                 ;;
113         refs/remotes/*,delete)
114                 # delete tracking branch
115                 if [ "$allowdeletebranch" != "true" ]; then
116                         echo "*** Deleting a tracking branch is not allowed in this repository" >&2
117                         exit 1
118                 fi
119                 ;;
120         *)
121                 # Anything else (is there anything else?)
122                 echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2
123                 exit 1
124                 ;;
125 esac
126
127 # --- Finished
128 exit 0