$ git clone -n https://src.fedoraproject.org/rpms/rust-lcms2-sys.git /var/lib/mock/f40-build-2325581-58811/root/chroot_tmpdir/scmroot/rust-lcms2-sys
Cloning into '/var/lib/mock/f40-build-2325581-58811/root/chroot_tmpdir/scmroot/rust-lcms2-sys'...
$ git fetch origin df8f5f4ec5d393fd3e60757743b459a505315b68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lcms2-sys
 * [new ref]         df8f5f4ec5d393fd3e60757743b459a505315b68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df8f5f4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild