$ git clone -n https://gitee.com/xuchun-shang/kmod-udma.git /var/lib/mock/dist-an23-build-299721-65849/root/chroot_tmpdir/scmroot/kmod-udma
Cloning into '/var/lib/mock/dist-an23-build-299721-65849/root/chroot_tmpdir/scmroot/kmod-udma'...
$ git fetch origin 8763d51d179c32591dc9c990b736b1603552fd73:KOJI_FETCH_HEAD
From https://gitee.com/xuchun-shang/kmod-udma
 * [new ref]         8763d51d179c32591dc9c990b736b1603552fd73 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8763d51 Init commit