$ git clone -n https://src.fedoraproject.org/rpms/rust-system76_ectool.git /var/lib/mock/f40-build-2659065-66918/root/chroot_tmpdir/scmroot/rust-system76_ectool
Cloning into '/var/lib/mock/f40-build-2659065-66918/root/chroot_tmpdir/scmroot/rust-system76_ectool'...
$ git fetch origin 453367c6c049139715a2d4f101fb0bb06f763a50:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-system76_ectool
 * [new ref]         453367c6c049139715a2d4f101fb0bb06f763a50 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 453367c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild