$ git clone -n https://gitee.com/xuchun-shang/udma.git /var/lib/mock/dist-an23-build-299732-65849/root/chroot_tmpdir/scmroot/udma
Cloning into '/var/lib/mock/dist-an23-build-299732-65849/root/chroot_tmpdir/scmroot/udma'...
$ git fetch origin f37ac4f293184273631cc15a2be6f7043f8fba30:KOJI_FETCH_HEAD
From https://gitee.com/xuchun-shang/udma
 * [new ref]         f37ac4f293184273631cc15a2be6f7043f8fba30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f37ac4f Init commit