#!/bin/sh
#
# An example hook script to blocks unannotated tags from entering.
-# Called by git-receive-pack with arguments: refname sha1-old sha1-new
+# Called by "git receive-pack" with arguments: refname sha1-old sha1-new
#
# To enable this hook, rename this file to "update".
#
# hooks.allowdeletetag
# This boolean sets whether deleting tags will be allowed in the
# repository. By default they won't be.
+# hooks.allowmodifytag
+# This boolean sets whether a tag may be modified after creation. By default
+# it won't be.
# hooks.allowdeletebranch
# This boolean sets whether deleting branches will be allowed in the
# repository. By default they won't be.
+# hooks.denycreatebranch
+# This boolean sets whether remotely creating branches will be denied
+# in the repository. By default this is allowed.
#
# --- Command line
# --- Config
allowunannotated=$(git config --bool hooks.allowunannotated)
allowdeletebranch=$(git config --bool hooks.allowdeletebranch)
+denycreatebranch=$(git config --bool hooks.denycreatebranch)
allowdeletetag=$(git config --bool hooks.allowdeletetag)
+allowmodifytag=$(git config --bool hooks.allowmodifytag)
# check for no description
projectdesc=$(sed -e '1q' "$GIT_DIR/description")
-if [ -z "$projectdesc" -o "$projectdesc" = "Unnamed repository; edit this file to name it for gitweb." ]; then
+case "$projectdesc" in
+"Unnamed repository"* | "")
echo "*** Project description file hasn't been set" >&2
exit 1
-fi
+ ;;
+esac
# --- Check types
# if $newrev is 0000...0000, it's a commit to delete a ref.
-if [ "$newrev" = "0000000000000000000000000000000000000000" ]; then
+zero="0000000000000000000000000000000000000000"
+if [ "$newrev" = "$zero" ]; then
newrev_type=delete
else
- newrev_type=$(git-cat-file -t $newrev)
+ newrev_type=$(git cat-file -t $newrev)
fi
case "$refname","$newrev_type" in
;;
refs/tags/*,tag)
# annotated tag
+ if [ "$allowmodifytag" != "true" ] && git rev-parse $refname > /dev/null 2>&1
+ then
+ echo "*** Tag '$refname' already exists." >&2
+ echo "*** Modifying a tag is not allowed in this repository." >&2
+ exit 1
+ fi
;;
refs/heads/*,commit)
# branch
+ if [ "$oldrev" = "$zero" -a "$denycreatebranch" = "true" ]; then
+ echo "*** Creating a branch is not allowed in this repository" >&2
+ exit 1
+ fi
;;
refs/heads/*,delete)
# delete branch