$ git clone -n https://gitee.com/src-opencloudos-rpms/irssi.git /var/lib/mock/dist-oc9-build-68132-46862/root/chroot_tmpdir/scmroot/irssi
Cloning into '/var/lib/mock/dist-oc9-build-68132-46862/root/chroot_tmpdir/scmroot/irssi'...
$ git fetch origin 9ace61d54bc55c3859d5c420cbde425d5916392d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/irssi
 * [new ref]         9ace61d54bc55c3859d5c420cbde425d5916392d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ace61d import irssi-1.4.4-1.tl4