$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-color-config.git /var/lib/mock/f40-build-2258820-54356/root/chroot_tmpdir/scmroot/rust-nu-color-config
Cloning into '/var/lib/mock/f40-build-2258820-54356/root/chroot_tmpdir/scmroot/rust-nu-color-config'...
$ git fetch origin cf733b3c9c98da487638e153b3b73a90c5244fbb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-color-config
 * [new ref]         cf733b3c9c98da487638e153b3b73a90c5244fbb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf733b3 Update to 0.88.1