$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-Emulate-Class-Accessor-Fast.git /var/lib/mock/f41-build-side-1-2788353-32630/root/chroot_tmpdir/scmroot/perl-MooseX-Emulate-Class-Accessor-Fast
Cloning into '/var/lib/mock/f41-build-side-1-2788353-32630/root/chroot_tmpdir/scmroot/perl-MooseX-Emulate-Class-Accessor-Fast'...
$ git fetch origin 584aa2f2351340b7266ff3a367ffd1d2f4afe11e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-Emulate-Class-Accessor-Fast
 * [new ref]         584aa2f2351340b7266ff3a367ffd1d2f4afe11e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 584aa2f convert GPL+ or Artistic license to SPDX