$ git clone -n https://src.fedoraproject.org/rpms/rust-line-numbers.git /var/lib/mock/f40-build-2658703-66917/root/chroot_tmpdir/scmroot/rust-line-numbers
Cloning into '/var/lib/mock/f40-build-2658703-66917/root/chroot_tmpdir/scmroot/rust-line-numbers'...
$ git fetch origin c140bdb3ec83837ff13a1f01ba765bc3065f27b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-line-numbers
 * [new ref]         c140bdb3ec83837ff13a1f01ba765bc3065f27b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c140bdb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild