$ git clone -n https://src.fedoraproject.org/rpms/perl-File-Share.git /var/lib/mock/f45-build-23568-598/root/chroot_tmpdir/scmroot/perl-File-Share
Cloning into '/var/lib/mock/f45-build-23568-598/root/chroot_tmpdir/scmroot/perl-File-Share'...
$ git fetch origin 73cde42d83b9c570aeee3f1431399ad3b9a65287:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-File-Share
 * [new ref]         73cde42d83b9c570aeee3f1431399ad3b9a65287 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73cde42 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild