UPSTREAM=$1

WORKING_DIR=$2

git clone --mirror $UPSTREAM $WORKING_DIR

UPSTREAM="$1"

repo_dir="$2"

cd $repo_dir

echo "==== SYNC $repo_dir START ===="

git remote set-url origin "$UPSTREAM"

/usr/bin/timeout -s INT 3600 git remote -v update -p

head=$(git remote show origin | awk '/HEAD branch:/ {print $NF}')

[[ -n "$head" ]] && echo "ref: refs/heads/$head" > HEAD

objs=$(find objects -type f | wc -l)

[[ "$objs" -gt 8 ]] && git repack -a -b -d

sz=$(git count-objects -v|grep -Po '(?<=size-pack: )\d+')

total_size=$(($total_size+1024*$sz))

echo "==== SYNC $repo_dir DONE ===="