$ git clone -n https://gitee.com/mgb01105731/sendmail.git /var/lib/mock/dist-an23-build-python3.11-381516-71833/root/chroot_tmpdir/scmroot/sendmail
Cloning into '/var/lib/mock/dist-an23-build-python3.11-381516-71833/root/chroot_tmpdir/scmroot/sendmail'...
$ git fetch origin c8ac647128a25e03ec90b8b4dc680f028fa6011b:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/sendmail
 * [new ref]         c8ac647128a25e03ec90b8b4dc680f028fa6011b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8ac647 update to 8.18.1