$ git clone -n https://src.fedoraproject.org/rpms/perl-Log-Agent.git /var/lib/mock/f45-build-24582-604/root/chroot_tmpdir/scmroot/perl-Log-Agent
Cloning into '/var/lib/mock/f45-build-24582-604/root/chroot_tmpdir/scmroot/perl-Log-Agent'...
$ git fetch origin 6a679a4d8300ec832b6dcf0d1176e8fe898ebda2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Log-Agent
 * [new ref]         6a679a4d8300ec832b6dcf0d1176e8fe898ebda2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a679a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild