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executable file 177 lines (167 sloc) 5.726 kB
#!/bin/sh
#
# git update hook extending the example update hook by requiregitsvnid and
# checkgitsvnid. see config doc right below. You can use this to make sure your
# repo does not accept commits that have not been dcommitted to svn yet.
#
# 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, save it as .git/hooks/update and configure accordingly.
#
# 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.
# hooks.requiregitsvnid
# This boolean sets whether commits need to contain a git-svn-id, i.e. have
# been committed with 'git svn dcommit' to a svn server already. By default,
# further checks are enabled, see hooks.disablegitsvnidchecks.
# By default no git-svn-id is required.
# hooks.disablegitsvnidchecks
# This boolean sets whether checks on the git-svn-id are disabled. This is
# highly discouraged and should only be used for testing purposes!.
# Checks performed:
# - newrev author email domain == oldrev author email domain
# - newrev commitmsg contains a git-svn-id
# - oldrev commitmsg contains a git-svn-id
# - oldrev git-svn-id == newrev git-svn-id, except for the svn revision
# Example git-svn-id line in commitmsg:
# git-svn-id: url-to-svn-repo/trunk@57924 db7f04ef-aaf3-0310-a811-c281ed44c4ad
# By default checks are enabled.
#
# --- 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)
requiregitsvnid=$(git config --bool hooks.requiregitsvnid)
disablegitsvnidchecks=$(git config --bool hooks.disablegitsvnidchecks)
# 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
getgitsvnid() {
rev=$1
gitsvnid=$(git show -s --pretty=%b $rev |grep ^git-svn-id: |cut -d' ' -f2-)
echo -n $gitsvnid
}
case "$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 "$denycreatebranch" = "true" ]; then
echo "*** Creating a branch is not allowed in this repository" >&2
exit 1
fi
if [ "$requiregitsvnid" = "true" ]; then
newid=$(getgitsvnid $newrev)
if [ "foo$newid" = "foo" ]; then
echo "*** Declined commit without git-svn-id: dcommit first to svn" >&2
exit 1
fi
if [ "$oldrev" != "$zero" -a "$disablegitsvnidchecks" != "true" ]; then
oldid=$(getgitsvnid $oldrev)
if [ "foo$oldid" = "foo" ]; then
echo "*** Previous commit without git-svn-idn" >&2
exit 1
fi
_newid="$(echo $newid |cut -d'@' -f1) $(echo $newid |cut -d' ' -f2)"
_oldid="$(echo $oldid |cut -d'@' -f1) $(echo $oldid |cut -d' ' -f2)"
if [ "$_newid" != "$_oldid" ]; then
echo "*** Declined commit: git-svn-id differs too much from oldrev" >&2
exit 1
fi
fi
fi
;;
refs/heads/*,delete)
# delete branch
if [ "$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
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