$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-Async.git /var/lib/mock/f41-build-side-1-2781597-32531/root/chroot_tmpdir/scmroot/perl-MooseX-Async
Cloning into '/var/lib/mock/f41-build-side-1-2781597-32531/root/chroot_tmpdir/scmroot/perl-MooseX-Async'...
$ git fetch origin dd7a71f4d1778f5d7fca83a190a0b66473352be4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-Async
 * [new ref]         dd7a71f4d1778f5d7fca83a190a0b66473352be4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd7a71f convert GPL+ or Artistic license to SPDX