$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime-Format-ICal.git /var/lib/mock/f45-build-22957-595/root/chroot_tmpdir/scmroot/perl-DateTime-Format-ICal
Cloning into '/var/lib/mock/f45-build-22957-595/root/chroot_tmpdir/scmroot/perl-DateTime-Format-ICal'...
$ git fetch origin c580320d3214d90197cb39428dc6287363c1bc80:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime-Format-ICal
 * [new ref]         c580320d3214d90197cb39428dc6287363c1bc80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c580320 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild