$ git clone -n https://src.fedoraproject.org/rpms/fwts.git /var/lib/mock/f38-build-side-42-init-devel-962797-28791/root/chroot_tmpdir/scmroot/fwts
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-962797-28791/root/chroot_tmpdir/scmroot/fwts'...
$ git fetch origin 6a716971f0b457df05bdbb475768b6e3d67688a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fwts
 * [new ref]         6a716971f0b457df05bdbb475768b6e3d67688a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a71697 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild