$ git clone -n https://src.fedoraproject.org/rpms/perl-iCal-Parser.git /var/lib/mock/f45-build-27684-625/root/chroot_tmpdir/scmroot/perl-iCal-Parser
Cloning into '/var/lib/mock/f45-build-27684-625/root/chroot_tmpdir/scmroot/perl-iCal-Parser'...
$ git fetch origin 24a9774757e67d0c566e1e664ac049a6b5b8d864:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-iCal-Parser
 * [new ref]         24a9774757e67d0c566e1e664ac049a6b5b8d864 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24a9774 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild