$ git clone -n https://gitee.com/xuchun-shang/kmod-udma.git /var/lib/mock/dist-an23-build-299824-65849/root/chroot_tmpdir/scmroot/kmod-udma
Cloning into '/var/lib/mock/dist-an23-build-299824-65849/root/chroot_tmpdir/scmroot/kmod-udma'...
$ git fetch origin 2bbf1a022729d9e88e6c2e6d0157bf3c887411dd:KOJI_FETCH_HEAD
From https://gitee.com/xuchun-shang/kmod-udma
 * [new ref]         2bbf1a022729d9e88e6c2e6d0157bf3c887411dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2bbf1a0 Init commit