Jeremy Stanley 61c375a8fc Garbage collect Git repos in gerrit-git-prep
* modules/jenkins/files/slave_scripts/gerrit-git-prep.sh: Sometimes
Git repositories can be left in a dirty state, preventing subsequent
operations. If a git remote update fails, garbage collect and then
try again.

Change-Id: I8455a3193081f9a0c9372a10f5ffdbc25fc864d9
Fixes-Bug:1229352
2013-09-23 20:08:34 +00:00

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#!/bin/bash -e
GERRIT_SITE=$1
ZUUL_SITE=$2
GIT_ORIGIN=$3
if [ -z "$GERRIT_SITE" ]
then
echo "The gerrit site name (eg 'https://review.openstack.org') must be the first argument."
exit 1
fi
if [ -z "$ZUUL_SITE" ]
then
echo "The zuul site name (eg 'http://zuul.openstack.org') must be the second argument."
exit 1
fi
if [ -z "$GIT_ORIGIN" ] || [ -n "$ZUUL_NEWREV" ]
then
GIT_ORIGIN="$GERRIT_SITE/p"
# git://git.openstack.org/
# https://review.openstack.org/p
fi
if [ -z "$ZUUL_REF" ]
then
echo "This job may only be triggered by Zuul."
exit 1
fi
if [ ! -z "$ZUUL_CHANGE" ]
then
echo "Triggered by: $GERRIT_SITE/$ZUUL_CHANGE"
fi
set -x
if [[ ! -e .git ]]
then
ls -a
rm -fr .[^.]* *
git clone $GIT_ORIGIN/$ZUUL_PROJECT .
fi
git remote set-url origin $GIT_ORIGIN/$ZUUL_PROJECT
# attempt to work around bugs 925790 and 1229352
if ! git remote update
then
echo "The remote update failed, so garbage collecting before trying again."
git gc
git remote update
fi
git reset --hard
git clean -x -f -d -q
if [ -z "$ZUUL_NEWREV" ]
then
git fetch $ZUUL_SITE/p/$ZUUL_PROJECT $ZUUL_REF
git checkout FETCH_HEAD
git reset --hard FETCH_HEAD
git clean -x -f -d -q
else
git checkout $ZUUL_NEWREV
git reset --hard $ZUUL_NEWREV
git clean -x -f -d -q
fi