$ git clone -n https://src.fedoraproject.org/rpms/perl-perlfaq.git /var/lib/mock/f45-build-27717-625/root/chroot_tmpdir/scmroot/perl-perlfaq
Cloning into '/var/lib/mock/f45-build-27717-625/root/chroot_tmpdir/scmroot/perl-perlfaq'...
$ git fetch origin 58efe7e2beccd6f9dc6977c91a1b85ea58447eb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-perlfaq
 * [new ref]         58efe7e2beccd6f9dc6977c91a1b85ea58447eb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58efe7e Increase release to favour standalone package