#!/bin/sh
#
-# An example hook script to mail out commit update information.
+# An example hook script to blocks unannotated tags from entering.
# Called by git-receive-pack with arguments: refname sha1-old sha1-new
#
-# To enable this hook:
-# (1) change the recipient e-mail address
-# (2) make this file executable by "chmod +x update".
+# To enable this hook, make this file executable by "chmod +x update".
#
+# Config
+# ------
+# hooks.allowunannotated
+# This boolean sets whether unannotated tags will be allowed into the
+# repository. By default they won't be.
+#
+
+# --- Command line
+refname="$1"
+oldrev="$2"
+newrev="$3"
+
+# --- Safety check
+if [ -z "$GIT_DIR" ]; then
+ echo "Don't run this script from the command line." >&2
+ echo " (if you want, you could supply GIT_DIR then run" >&2
+ echo " $0 <ref> <oldrev> <newrev>)" >&2
+ exit 1
+fi
+
+if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
+ echo "Usage: $0 <ref> <oldrev> <newrev>" >&2
+ exit 1
+fi
+
+# --- Config
+allowunannotated=$(git-repo-config --bool hooks.allowunannotated)
-recipient="commit-list@mydomain.xz"
+# check for no description
+projectdesc=$(sed -e '1p' "$GIT_DIR/description")
+if [ -z "$projectdesc" -o "$projectdesc" = "Unnamed repository; edit this file to name it for gitweb" ]; then
+ echo "*** Project description file hasn't been set" >&2
+ exit 1
+fi
-if expr "$2" : '0*$' >/dev/null
-then
- echo "Created a new ref, with the following commits:"
- git-rev-list --pretty "$3"
+# --- Check types
+# if $newrev is 0000...0000, it's a commit to delete a branch
+if [ -z "${newrev##0*}" ]; then
+ newrev_type=commit
else
- $base=$(git-merge-base "$2" "$3")
- if [ $base == "$2" ]; then
- echo "New commits:"
- else
- echo "Rebased ref, commits from common ancestor:"
+ newrev_type=$(git-cat-file -t $newrev)
fi
-git-rev-list --pretty "$3" "^$base"
-fi |
-mail -s "Changes to ref $1" "$recipient"
+
+case "$refname","$newrev_type" in
+ refs/tags/*,commit)
+ # un-annotated tag
+ short_refname=${refname##refs/tags/}
+ if [ "$allowunannotated" != "true" ]; then
+ echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2
+ echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2
+ exit 1
+ fi
+ ;;
+ refs/tags/*,tag)
+ # annotated tag
+ ;;
+ refs/heads/*,commit)
+ # branch
+ ;;
+ refs/remotes/*,commit)
+ # tracking branch
+ ;;
+ *)
+ # Anything else (is there anything else?)
+ echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2
+ exit 1
+ ;;
+esac
+
+# --- Finished
exit 0