$ git clone -n https://src.fedoraproject.org/rpms/python-ujson.git /var/lib/mock/f40-build-783672-133076/root/chroot_tmpdir/scmroot/python-ujson
Cloning into '/var/lib/mock/f40-build-783672-133076/root/chroot_tmpdir/scmroot/python-ujson'...
$ git fetch origin e99873c71bad8fbfb511f773cbca0fe57a1bcd41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ujson
 * [new ref]         e99873c71bad8fbfb511f773cbca0fe57a1bcd41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e99873c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild