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hott 8.18 Not compatible 👼

Context

# Packages matching: installed
# Name                   # Installed # Synopsis
base-bigarray            base
base-threads             base
base-unix                base
conf-findutils           1           Virtual package relying on findutils
conf-gmp                 4           Virtual package relying on a GMP lib system installation
coq                      8.15.1      Formal proof management system
dune                     3.12.1      Fast, portable, and opinionated build system
ocaml                    4.06.1      The OCaml compiler (virtual package)
ocaml-base-compiler      4.06.1      Official 4.06.1 release
ocaml-config             1           OCaml Switch Configuration
ocaml-secondary-compiler 4.08.1-1    OCaml 4.08.1 Secondary Switch Compiler
ocamlfind                1.9.6       A library manager for OCaml
ocamlfind-secondary      1.9.6       Adds support for ocaml-secondary-compiler to ocamlfind
zarith                   1.13        Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
maintainer: [ "Jason Gross <jgross@mit.edu>" "Ali Caglayan <alizter@gmail.com>" ]
homepage: "http://homotopytypetheory.org/"
bug-reports: "https://github.com/HoTT/HoTT/issues"
license: "BSD-2-Clause"
build: [ "dune" "build" "-p" name "-j" jobs "@install" ]
install: [ "dune" "install" "-p" name ]
depends: [
  "ocaml"
  "ocamlfind" {build}
  "dune" {>= "3.5"}
  "coq" {>= "8.17.0" & < "8.19~"}
]
authors: ["The HoTT Library Development Team"]
dev-repo: "git+https://github.com/HoTT/HoTT.git"
synopsis: "The Homotopy Type Theory library"
description: """
To use the HoTT library, the following flags must be passed to coqc:
  -noinit -indices-matter
To use the HoTT library in a project, add the following to _CoqProject:
  -arg -noinit
  -arg -indices-matter
"""
tags: [ "logpath:HoTT" ]
url {
  src: "https://github.com/HoTT/HoTT/archive/refs/tags/V8.18.tar.gz"
  checksum: "sha512=e28cf6de90c0d99d6deb1fb8ffb14d57478c5894e8f3bfd1b21e6893cec22f33e4a5fb9d042035a83c88deb9d33e363394ef0788b616a4710ad94128ebfaa2ab"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-hott.8.18 coq.8.15.1

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.15.1).
The following dependencies couldn't be met:
  - coq-hott -> coq >= 8.17.0 -> coq-core -> ocaml >= 4.09.0
      base of this switch (use `--unlock-base' to force)
No solution found, exiting

Dry install without Coq/switch base, to test if the problem was incompatibility with the current Coq/OCaml version:

Command: opam remove -y coq; opam install -y --show-action --unlock-base coq-hott.8.18
Return code: 0

Install dependencies

Command: true
Return code: 0
Duration: 0 s

Install 🚀

Command: true
Return code: 0
Duration: 0 s

Installation size

No files were installed.

Uninstall 🧹

Command: true
Return code: 0
Missing removes: none
Wrong removes: none