$ git clone -n https://src.fedoraproject.org/rpms/perl-PostScript.git /var/lib/mock/f41-build-side-1-2654828-27881/root/chroot_tmpdir/scmroot/perl-PostScript
Cloning into '/var/lib/mock/f41-build-side-1-2654828-27881/root/chroot_tmpdir/scmroot/perl-PostScript'...
$ git fetch origin edf72ab18e0c9098d071b2023465c24626090c4d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PostScript
 * [new ref]         edf72ab18e0c9098d071b2023465c24626090c4d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at edf72ab convert GPL+ or Artistic license to SPDX