zephyr-post-receive: Translate Git trailing space highlighting
[snippets/.git] / git-hooks / repo-noroot-update
1 #!/bin/sh
2 #
3 # A hook script that blocks committer and author names that are
4 # root (or a configured blacklisted name).
5 # XXX: should allow only applying this to certain branches.
6 #
7 # Called by "git receive-pack" with arguments: refname sha1-old sha1-new
8 #
9 # Config
10 # ------
11 # hooks.noroot.branches
12 #   List of branches for which commits by root should be disallowed.
13 # hooks.noroot.match
14 #   XXX: figure out format
15 #
16
17 set -e
18
19 # --- Command line
20 refname="$1"
21 oldrev="$2"
22 newrev="$3"
23
24 # --- Safety check
25 if [ -z "$GIT_DIR" ]; then
26         echo "Don't run this script from the command line." >&2
27         echo " (if you want, you could supply GIT_DIR then run" >&2
28         echo "  $0 <ref> <oldrev> <newrev>)" >&2
29         exit 1
30 fi
31
32 if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
33         echo "Usage: $0 <ref> <oldrev> <newrev>" >&2
34         exit 1
35 fi
36
37 # --- Config
38 branches=$(git config --get hooks.noroot.branches || echo "")
39 # XXX: hooks.noroot.match
40
41 # --- Check types
42 # if $newrev is 0000...0000, it's a commit to delete a ref.
43 zero="0000000000000000000000000000000000000000"
44 if [ "$newrev" = "$zero" ]; then
45         newrev_type=delete
46 else
47         newrev_type=$(git cat-file -t $newrev)
48 fi
49
50 case "$refname","$newrev_type" in
51         refs/heads/*,commit)
52                 git log --pretty="format:%h \"%an\" \"%cn\"%n" "$oldrev".."$newrev" | \
53                 while read hash an cn; do
54                         if [ "$an" = "\"root\"" -o "$cn" = "\"root\"" ]; then
55                                 echo "*** Committing as root not allowed in this repository," >&2
56                                 echo "*** Please fix your GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL,"
57                                 echo "*** GIT_COMMITTER_NAME and GIT_COMMITTER_EMAIL."
58                                 echo "*** Offending commit was $hash."
59                                 exit 1
60                         fi
61                 done
62                 ;;
63         refs/remotes/*,commit)
64                 # tracking branch
65                 ;;
66         refs/tags/*,*)
67                 # we could track tags, but we've decided they're not
68                 # interesting
69                 ;;
70         *,delete)
71                 # not interesting
72                 ;;
73         *)
74                 # Anything else (is there anything else?)
75                 echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2
76                 exit 1
77                 ;;
78 esac
79
80 # --- Finished
81 exit 0