$ git clone -n https://src.fedoraproject.org/rpms/ocean-sound-theme.git /var/lib/mock/f40-build-2221361-52686/root/chroot_tmpdir/scmroot/ocean-sound-theme
Cloning into '/var/lib/mock/f40-build-2221361-52686/root/chroot_tmpdir/scmroot/ocean-sound-theme'...
$ git fetch origin 12137b2b023ed36a36bb2537a86e4f4ebbd8a744:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocean-sound-theme
 * [new ref]         12137b2b023ed36a36bb2537a86e4f4ebbd8a744 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12137b2 5.91.0