$ git clone -n https://src.fedoraproject.org/rpms/perl-Moose.git /var/lib/mock/f45-build-25073-609/root/chroot_tmpdir/scmroot/perl-Moose
Cloning into '/var/lib/mock/f45-build-25073-609/root/chroot_tmpdir/scmroot/perl-Moose'...
$ git fetch origin 73d19a2e5980b5202347c27267b5d3ca931c8f44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Moose
 * [new ref]         73d19a2e5980b5202347c27267b5d3ca931c8f44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73d19a2 Perl 5.44 re-rebuild of bootstrapped packages