$ git clone -n https://src.fedoraproject.org/rpms/ghex.git /var/lib/mock/f40-build-802074-143931/root/chroot_tmpdir/scmroot/ghex
Cloning into '/var/lib/mock/f40-build-802074-143931/root/chroot_tmpdir/scmroot/ghex'...
$ git fetch origin 18c36df347134c4afdac624a721670da741bde97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghex
 * [new ref]         18c36df347134c4afdac624a721670da741bde97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18c36df Update to 46.0