$ git clone -n https://src.fedoraproject.org/rpms/rust-atom.git /var/lib/mock/f40-build-2654936-66907/root/chroot_tmpdir/scmroot/rust-atom
Cloning into '/var/lib/mock/f40-build-2654936-66907/root/chroot_tmpdir/scmroot/rust-atom'...
$ git fetch origin 808e44b3ce5feb2503bab09fd00f16c463c70b3d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-atom
 * [new ref]         808e44b3ce5feb2503bab09fd00f16c463c70b3d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 808e44b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild