$ git clone -n https://src.fedoraproject.org/rpms/grim.git /var/lib/mock/f42-build-888872-188755/root/chroot_tmpdir/scmroot/grim
Cloning into '/var/lib/mock/f42-build-888872-188755/root/chroot_tmpdir/scmroot/grim'...
$ git fetch origin c4458174bb3183640a569e766c150dd7051b145c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grim
 * [new ref]         c4458174bb3183640a569e766c150dd7051b145c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c445817 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild