$ git clone -n https://src.fedoraproject.org/rpms/ocean-sound-theme.git /var/lib/mock/f45-build-20849-574/root/chroot_tmpdir/scmroot/ocean-sound-theme
Cloning into '/var/lib/mock/f45-build-20849-574/root/chroot_tmpdir/scmroot/ocean-sound-theme'...
$ git fetch origin 134bb54536b2d7ec854e803e063d065c46150028:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocean-sound-theme
 * [new ref]         134bb54536b2d7ec854e803e063d065c46150028 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 134bb54 6.7.5