$ git clone -n https://src.fedoraproject.org/rpms/perl-String-Flogger.git /var/lib/mock/f45-build-26280-616/root/chroot_tmpdir/scmroot/perl-String-Flogger
Cloning into '/var/lib/mock/f45-build-26280-616/root/chroot_tmpdir/scmroot/perl-String-Flogger'...
$ git fetch origin 34e69b37fe0e4b94554d1802610f5df29ed9b4eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-String-Flogger
 * [new ref]         34e69b37fe0e4b94554d1802610f5df29ed9b4eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34e69b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild