$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Refresh.git /var/lib/mock/f45-build-24908-607/root/chroot_tmpdir/scmroot/perl-Module-Refresh
Cloning into '/var/lib/mock/f45-build-24908-607/root/chroot_tmpdir/scmroot/perl-Module-Refresh'...
$ git fetch origin 8c270a855473456695b15ce2b66b72d783c19cc3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Refresh
 * [new ref]         8c270a855473456695b15ce2b66b72d783c19cc3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c270a8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild