$ git clone -n https://src.fedoraproject.org/rpms/libmysofa.git /var/lib/mock/f45-build-16608-488/root/chroot_tmpdir/scmroot/libmysofa
Cloning into '/var/lib/mock/f45-build-16608-488/root/chroot_tmpdir/scmroot/libmysofa'...
$ git fetch origin d5b5e3ec38660f646228ca655bb47c4960c47195:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmysofa
 * [new ref]         d5b5e3ec38660f646228ca655bb47c4960c47195 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d5b5e3e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild