$ git clone -n https://src.fedoraproject.org/rpms/ocp.git /var/lib/mock/f39-build-1511746-35546/root/chroot_tmpdir/scmroot/ocp
Cloning into '/var/lib/mock/f39-build-1511746-35546/root/chroot_tmpdir/scmroot/ocp'...
$ git fetch origin 58c50a0b6abbc3792c2f3315e8e077dc19fe84d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocp
 * [new ref]         58c50a0b6abbc3792c2f3315e8e077dc19fe84d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58c50a0 Update to 0.2.106 which adds game-music-emu libgme support