$ git clone -n https://gitee.com/kanghou-silver/squashfs-tools.git /var/lib/mock/dist-an8.8-build-280593-64623/root/chroot_tmpdir/scmroot/squashfs-tools
Cloning into '/var/lib/mock/dist-an8.8-build-280593-64623/root/chroot_tmpdir/scmroot/squashfs-tools'...
$ git fetch origin e421b8133284c34adcf38555489ae39d355bb8cf:KOJI_FETCH_HEAD
From https://gitee.com/kanghou-silver/squashfs-tools
 * [new ref]         e421b8133284c34adcf38555489ae39d355bb8cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e421b81 Add sw64