$ git clone -n https://gitee.com/winterddd/ras-tools.git /var/lib/mock/dist-an23-build-184420-60410/root/chroot_tmpdir/scmroot/ras-tools
Cloning into '/var/lib/mock/dist-an23-build-184420-60410/root/chroot_tmpdir/scmroot/ras-tools'...
$ git fetch origin 3626f92c0d5e28d48b0b8caf7e31113e5d05ac9f:KOJI_FETCH_HEAD
From https://gitee.com/winterddd/ras-tools
 * [new ref]         3626f92c0d5e28d48b0b8caf7e31113e5d05ac9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3626f92 add ras-tools src and rpmspec