$ git clone -n https://src.fedoraproject.org/rpms/R-sass.git /var/lib/mock/f38-build-side-42-init-devel-680798-26737/root/chroot_tmpdir/scmroot/R-sass
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-680798-26737/root/chroot_tmpdir/scmroot/R-sass'...
$ git fetch origin 87bb5f6777ff6c02ff953db0d2e01b224b6e8888:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-sass
 * [new ref]         87bb5f6777ff6c02ff953db0d2e01b224b6e8888 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87bb5f6 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild