$ git clone -n https://gitee.com/xuchun-shang/udma.git /var/lib/mock/dist-an23-build-299701-65849/root/chroot_tmpdir/scmroot/udma
Cloning into '/var/lib/mock/dist-an23-build-299701-65849/root/chroot_tmpdir/scmroot/udma'...
$ git fetch origin 16921b89751c4417a2cf3bc8e9f0f67b46f4dc49:KOJI_FETCH_HEAD
From https://gitee.com/xuchun-shang/udma
 * [new ref]         16921b89751c4417a2cf3bc8e9f0f67b46f4dc49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16921b8 Init commit