$ git clone -n https://src.fedoraproject.org/rpms/filedrop.git /var/lib/mock/f40-build-2347977-60132/root/chroot_tmpdir/scmroot/filedrop
Cloning into '/var/lib/mock/f40-build-2347977-60132/root/chroot_tmpdir/scmroot/filedrop'...
$ git fetch origin 6af003f74b41e124b918f8a676b7d8d9ec9d13b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/filedrop
 * [new ref]         6af003f74b41e124b918f8a676b7d8d9ec9d13b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6af003f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild