$ git clone -n https://gitee.com/winterddd/ras-tools.git /var/lib/mock/dist-an8.6-build-182910-60012/root/chroot_tmpdir/scmroot/ras-tools
Cloning into '/var/lib/mock/dist-an8.6-build-182910-60012/root/chroot_tmpdir/scmroot/ras-tools'...
$ git fetch origin 7f3c3e6204369d971ffc277da71f8efa178a056d:KOJI_FETCH_HEAD
From https://gitee.com/winterddd/ras-tools
 * [new ref]         7f3c3e6204369d971ffc277da71f8efa178a056d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f3c3e6 add ras-tools src and rpmspec