$ git clone -n https://src.fedoraproject.org/rpms/openjfx8.git /var/lib/mock/f38-build-side-42-init-devel-1119829-30227/root/chroot_tmpdir/scmroot/openjfx8
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1119829-30227/root/chroot_tmpdir/scmroot/openjfx8'...
$ git fetch origin da5ccd081338a341339ac42bb0342c0981e10767:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openjfx8
 * [new ref]         da5ccd081338a341339ac42bb0342c0981e10767 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da5ccd0 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild