$ git clone -n https://gitee.com/src-opencloudos-rpms/epol-release.git /var/lib/mock/dist-oc9-build-242920-83058/root/chroot_tmpdir/scmroot/epol-release
Cloning into '/var/lib/mock/dist-oc9-build-242920-83058/root/chroot_tmpdir/scmroot/epol-release'...
$ git fetch origin a6545351a7212d0b563f3b06f2efa17b7f2e4001:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/epol-release
 * [new ref]         a6545351a7212d0b563f3b06f2efa17b7f2e4001 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a654535 import epol-release-9-10.tl4