Bug 362363 - Better policy ... provide hooks to allow a committer to delete committerId/branchname branches
Store the hook in an SCM
diff --git a/org.eclipse.e4.builder/scripts/pre-receive b/org.eclipse.e4.builder/scripts/pre-receive
new file mode 100755
index 0000000..804ba42
--- /dev/null
+++ b/org.eclipse.e4.builder/scripts/pre-receive
@@ -0,0 +1,107 @@
+#!/bin/sh
+
+#
+# For each ref, validate the commit.
+#
+validate_ref()
+{
+ # --- Arguments
+ oldrev=$(git rev-parse $1)
+ newrev=$(git rev-parse $2)
+ refname="$3"
+
+ allownonffpush=$( git config --bool hooks.allownonffpush )
+ allowdeletebranch=$( git config --bool hooks.allowdeletebranch )
+ allowdeletetag=$( git config --bool hooks.allowdeletetag )
+ allowcreatenottopicbranch=$( git config --bool hooks.allowcreatenottopicbranch )
+ # oldrev could be 0s which means creating refname
+ # newrev could be 0s which means deleting refname
+
+ case "$refname" in
+ refs/heads/*)
+ branch=$(expr "$refname" : "refs/heads/\(.*\)")
+ topicbranch=$(expr "$branch" : "\(.*/.*\)")
+ topicuser=$(expr "$branch" : "\(.*\)/.*")
+ if [ 0 -ne $(expr "$newrev" : "0*$") ]; then # deleting
+ # only topic branches can be deleted
+ if [ "$allowdeletebranch" != "true" -a -z "$topicbranch" ]; then
+ fail=1
+ echo >&2 "*** Deleting the branch $branch is not permitted. ***"
+ return
+ fi
+ if [ "$allowdeletebranch" != "true" -a "$USER" != "$topicuser" ]; then
+ fail=1
+ echo >&2 "*** Deleting the branch $branch is not permitted by $USER. ***"
+ return
+ fi
+ return # Don't need to validate old revision
+ else #updating
+ if [ 0 -ne $(expr "$oldrev" : "0*$") ]; then # pushing a new branch
+ if [ "$allowcreatenottopicbranch" != "true" -a -z "$topicbranch" ]; then
+ fail=1
+ echo >&2 "*** creation of branch $branch is not permitted. ***"
+ fi
+ return # it's not a FF merge
+ fi
+ if [ $oldrev != $(git merge-base $oldrev $newrev) ]; then # non fast-forward
+ # only topic branches can be non fast-forwarded
+ if [ "$allownonffpush" != "true" -a -z "$topicbranch" ]; then
+ fail=1
+ echo >&2 "*** Non fast-forward of branch $branch is not permitted. ***"
+ return
+ fi
+ if [ "$allownonffpush" != "true" -a "$USER" != "$topicuser" ]; then
+ fail=1
+ echo >&2 "*** Non fast-forward of branch $branch is not permitted by $USER. ***"
+ return
+ fi
+ fi
+ fi
+ ;;
+ refs/tags/*)
+ tag=$(expr "$refname" : "refs/tags/\(.*\)")
+ topictag=$(expr "$tag" : "\(.*/.*\)")
+ topicuser=$(expr "$tag" : "\(.*\)/.*")
+ if [ 0 -ne $(expr "$newrev" : "0*$") ]; then # deleting
+ # only topic tags can be deleted
+ if [ "$allowdeletetag" != "true" -a -z "$topictag" ]; then
+ fail=1
+ echo >&2 "*** Deleting the tag $tag is not permitted. ***"
+ return
+ fi
+ if [ "$allowdeletetag" != "true" -a "$USER" != "$topicuser" ]; then
+ fail=1
+ echo >&2 "*** Deleting the tag $tag is not permitted by $USER. ***"
+ return
+ fi
+ return
+ fi
+ ;;
+ *)
+ fail=1
+ echo >&2 "*** pre-receive hook does not understand ref $refname in this repository. ***"
+ echo >&2 "*** Contact the repository administrator. ***"
+ ;;
+ esac
+}
+
+fail=""
+
+# Allow dual mode: run from the command line just like the update hook, or
+# if no arguments are given then run as a hook script
+if [ -n "$1" -a -n "$2" -a -n "$3" ]; then
+ # Output to the terminal in command line mode - if someone wanted to
+ # resend an email; they could redirect the output to sendmail
+ # themselves
+ PAGER= validate_ref $2 $3 $1
+else
+ while read oldrev newrev refname
+ do
+ validate_ref $oldrev $newrev $refname
+ done
+fi
+
+if [ -n "$fail" ]; then
+ exit $fail
+fi
+
