!/bin/sh # # An example hook script to block unannotated tags from entering. # Called by “git receive-pack” with arguments: refname sha1-old sha1-new # # To enable this hook, rename this file to “update”. # # Config # —— # hooks.allowunannotated # This boolean sets whether unannotated tags will be allowed into the # repository. By default they won’t be. # 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 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=$(git config –type=bool hooks.allowunannotated) allowdeletebranch=$(git config –type=bool hooks.allowdeletebranch) denycreatebranch=$(git config –type=bool hooks.denycreatebranch) allowdeletetag=$(git config –type=bool hooks.allowdeletetag) allowmodifytag=$(git config –type=bool hooks.allowmodifytag)

# check for no description projectdesc=$(sed -e ‘1q’ “$GIT_DIR/description”) case “$projectdesc” in “Unnamed repository”* | “”)

echo "*** Project description file hasn't been set" >&2
exit 1
;;

esac

# — Check types # if $newrev is 0000…0000, it’s a commit to delete a ref. zero=$(git hash-object –stdin </dev/null | tr ‘[0-9a-f]’ ‘0’) if [ “$newrev” = “$zero” ]; then

newrev_type=delete

else

newrev_type=$(git cat-file -t $newrev)

fi

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, $short_refname, is not allowed in this repository" >&2
                echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2
                exit 1
        fi
        ;;
refs/tags/*,delete)
        # delete tag
        if [ "$allowdeletetag" != "true" ]; then
                echo "*** Deleting a tag is not allowed in this repository" >&2
                exit 1
        fi
        ;;
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 "$denycreatebranch" = "true" ]; then
                echo "*** Creating a branch is not allowed in this repository" >&2
                exit 1
        fi
        ;;
refs/heads/*,delete)
        # delete branch
        if [ "$allowdeletebranch" != "true" ]; then
                echo "*** Deleting a branch is not allowed in this repository" >&2
                exit 1
        fi
        ;;
refs/remotes/*,commit)
        # tracking branch
        ;;
refs/remotes/*,delete)
        # delete tracking branch
        if [ "$allowdeletebranch" != "true" ]; then
                echo "*** Deleting a tracking branch is not allowed in this repository" >&2
                exit 1
        fi
        ;;
*)
        # 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