$ git clone -n https://gitee.com/xuchun-shang/kmod-udma.git /var/lib/mock/dist-an8.8-build-299945-65914/root/chroot_tmpdir/scmroot/kmod-udma
Cloning into '/var/lib/mock/dist-an8.8-build-299945-65914/root/chroot_tmpdir/scmroot/kmod-udma'...
$ git fetch origin cf712f4be95ea28b0d79a7902e688a640277ed09:KOJI_FETCH_HEAD
From https://gitee.com/xuchun-shang/kmod-udma
 * [new ref]         cf712f4be95ea28b0d79a7902e688a640277ed09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf712f4 Init commit