$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-CalendarMonthSimple.git /var/lib/mock/f45-build-23848-599/root/chroot_tmpdir/scmroot/perl-HTML-CalendarMonthSimple
Cloning into '/var/lib/mock/f45-build-23848-599/root/chroot_tmpdir/scmroot/perl-HTML-CalendarMonthSimple'...
$ git fetch origin 82ea8d2aae6c27f899b5247c169ab15e55f6ad65:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-CalendarMonthSimple
 * [new ref]         82ea8d2aae6c27f899b5247c169ab15e55f6ad65 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82ea8d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild