rlm@11: #!/bin/sh
rlm@11: #
rlm@11: # An example hook script to blocks unannotated tags from entering.
rlm@11: # Called by git-receive-pack with arguments: refname sha1-old sha1-new
rlm@11: #
rlm@11: # To enable this hook, rename this file to "update".
rlm@11: #
rlm@11: # Config
rlm@11: # ------
rlm@11: # hooks.allowunannotated
rlm@11: #   This boolean sets whether unannotated tags will be allowed into the
rlm@11: #   repository.  By default they won't be.
rlm@11: # hooks.allowdeletetag
rlm@11: #   This boolean sets whether deleting tags will be allowed in the
rlm@11: #   repository.  By default they won't be.
rlm@11: # hooks.allowmodifytag
rlm@11: #   This boolean sets whether a tag may be modified after creation. By default
rlm@11: #   it won't be.
rlm@11: # hooks.allowdeletebranch
rlm@11: #   This boolean sets whether deleting branches will be allowed in the
rlm@11: #   repository.  By default they won't be.
rlm@11: # hooks.denycreatebranch
rlm@11: #   This boolean sets whether remotely creating branches will be denied
rlm@11: #   in the repository.  By default this is allowed.
rlm@11: #
rlm@11: 
rlm@11: # --- Command line
rlm@11: refname="$1"
rlm@11: oldrev="$2"
rlm@11: newrev="$3"
rlm@11: 
rlm@11: # --- Safety check
rlm@11: if [ -z "$GIT_DIR" ]; then
rlm@11: 	echo "Don't run this script from the command line." >&2
rlm@11: 	echo " (if you want, you could supply GIT_DIR then run" >&2
rlm@11: 	echo "  $0 <ref> <oldrev> <newrev>)" >&2
rlm@11: 	exit 1
rlm@11: fi
rlm@11: 
rlm@11: if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
rlm@11: 	echo "Usage: $0 <ref> <oldrev> <newrev>" >&2
rlm@11: 	exit 1
rlm@11: fi
rlm@11: 
rlm@11: # --- Config
rlm@11: allowunannotated=$(git config --bool hooks.allowunannotated)
rlm@11: allowdeletebranch=$(git config --bool hooks.allowdeletebranch)
rlm@11: denycreatebranch=$(git config --bool hooks.denycreatebranch)
rlm@11: allowdeletetag=$(git config --bool hooks.allowdeletetag)
rlm@11: allowmodifytag=$(git config --bool hooks.allowmodifytag)
rlm@11: 
rlm@11: # check for no description
rlm@11: projectdesc=$(sed -e '1q' "$GIT_DIR/description")
rlm@11: case "$projectdesc" in
rlm@11: "Unnamed repository"* | "")
rlm@11: 	echo "*** Project description file hasn't been set" >&2
rlm@11: 	exit 1
rlm@11: 	;;
rlm@11: esac
rlm@11: 
rlm@11: # --- Check types
rlm@11: # if $newrev is 0000...0000, it's a commit to delete a ref.
rlm@11: zero="0000000000000000000000000000000000000000"
rlm@11: if [ "$newrev" = "$zero" ]; then
rlm@11: 	newrev_type=delete
rlm@11: else
rlm@11: 	newrev_type=$(git-cat-file -t $newrev)
rlm@11: fi
rlm@11: 
rlm@11: case "$refname","$newrev_type" in
rlm@11: 	refs/tags/*,commit)
rlm@11: 		# un-annotated tag
rlm@11: 		short_refname=${refname##refs/tags/}
rlm@11: 		if [ "$allowunannotated" != "true" ]; then
rlm@11: 			echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2
rlm@11: 			echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2
rlm@11: 			exit 1
rlm@11: 		fi
rlm@11: 		;;
rlm@11: 	refs/tags/*,delete)
rlm@11: 		# delete tag
rlm@11: 		if [ "$allowdeletetag" != "true" ]; then
rlm@11: 			echo "*** Deleting a tag is not allowed in this repository" >&2
rlm@11: 			exit 1
rlm@11: 		fi
rlm@11: 		;;
rlm@11: 	refs/tags/*,tag)
rlm@11: 		# annotated tag
rlm@11: 		if [ "$allowmodifytag" != "true" ] && git rev-parse $refname > /dev/null 2>&1
rlm@11: 		then
rlm@11: 			echo "*** Tag '$refname' already exists." >&2
rlm@11: 			echo "*** Modifying a tag is not allowed in this repository." >&2
rlm@11: 			exit 1
rlm@11: 		fi
rlm@11: 		;;
rlm@11: 	refs/heads/*,commit)
rlm@11: 		# branch
rlm@11: 		if [ "$oldrev" = "$zero" -a "$denycreatebranch" = "true" ]; then
rlm@11: 			echo "*** Creating a branch is not allowed in this repository" >&2
rlm@11: 			exit 1
rlm@11: 		fi
rlm@11: 		;;
rlm@11: 	refs/heads/*,delete)
rlm@11: 		# delete branch
rlm@11: 		if [ "$allowdeletebranch" != "true" ]; then
rlm@11: 			echo "*** Deleting a branch is not allowed in this repository" >&2
rlm@11: 			exit 1
rlm@11: 		fi
rlm@11: 		;;
rlm@11: 	refs/remotes/*,commit)
rlm@11: 		# tracking branch
rlm@11: 		;;
rlm@11: 	refs/remotes/*,delete)
rlm@11: 		# delete tracking branch
rlm@11: 		if [ "$allowdeletebranch" != "true" ]; then
rlm@11: 			echo "*** Deleting a tracking branch is not allowed in this repository" >&2
rlm@11: 			exit 1
rlm@11: 		fi
rlm@11: 		;;
rlm@11: 	*)
rlm@11: 		# Anything else (is there anything else?)
rlm@11: 		echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2
rlm@11: 		exit 1
rlm@11: 		;;
rlm@11: esac
rlm@11: 
rlm@11: # --- Finished
rlm@11: exit 0