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git/templates/hooks--update.sample
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#!/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 --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") | |
case "$projectdesc" in | |
"Unnamed repository"* | "") | |
echo "*** Project description file hasn't been set" >&2 | |
exit 1 | |
;; | |
esac | |
# --- Check types | |
# if $newrev is 0000...0000, it's a commit to delete a ref. | |
zero="0000000000000000000000000000000000000000" | |
if [ "$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 |