1#!/bin/sh2: ${GIT_DIR=.git}3: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}4rm -f .tmp-pack-*5packname=$(git-rev-list --unpacked --objects $(git-rev-parse --all) |6git-pack-objects --non-empty --incremental .tmp-pack) ||7exit 18if [ -z "$packname" ]; then9echo Nothing new to pack10exit 011fi12mv .tmp-pack-$packname.pack "$GIT_OBJECT_DIRECTORY/pack/pack-$packname.pack"13mv .tmp-pack-$packname.idx "$GIT_OBJECT_DIRECTORY/pack/pack-$packname.idx"