$ git clone -n https://src.fedoraproject.org/forks/omos/rpms/wget2.git /var/lib/mock/f43-build-59064797-6570772/root/chroot_tmpdir/scmroot/wget2
Cloning into '/var/lib/mock/f43-build-59064797-6570772/root/chroot_tmpdir/scmroot/wget2'...
$ git fetch origin ed66a50ca2d6407c7b82e4bd3369938ce3a96a24:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/omos/rpms/wget2
 * [new ref]         ed66a50ca2d6407c7b82e4bd3369938ce3a96a24 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed66a50 Backport "Fix redirect regression" from upstream