$ git clone -n https://gitee.com/src-anolis-os/mtr.git /mnt/mock/kojid//dist-an23.3-riscv-build-437836-73130/root/chroot_tmpdir/scmroot/mtr
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv-build-437836-73130/root/chroot_tmpdir/scmroot/mtr'...
$ git fetch origin dbdf56cc796ad0b52984bd25b4d53eaaf9800971:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/mtr
 * [new ref]         dbdf56cc796ad0b52984bd25b4d53eaaf9800971 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbdf56c optimise spec file