$ git clone -n https://src.fedoraproject.org/rpms/perl-Cache-LRU.git /var/lib/mock/f45-build-22105-589/root/chroot_tmpdir/scmroot/perl-Cache-LRU
Cloning into '/var/lib/mock/f45-build-22105-589/root/chroot_tmpdir/scmroot/perl-Cache-LRU'...
$ git fetch origin 14b9be54f995e321833829acfadf133b6f7256f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Cache-LRU
 * [new ref]         14b9be54f995e321833829acfadf133b6f7256f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14b9be5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild