$ git clone -n https://src.fedoraproject.org/rpms/opal.git /var/lib/mock/f41-build-1037892-18820/root/chroot_tmpdir/scmroot/opal
Cloning into '/var/lib/mock/f41-build-1037892-18820/root/chroot_tmpdir/scmroot/opal'...
$ git fetch origin 9878a520024f95319e77142e870d3f469667dc4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opal
 * [new ref]         9878a520024f95319e77142e870d3f469667dc4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9878a52 Eliminate use of obsolete %patchN syntax (#2283636)