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gaia-hydras 0.5 Not compatible 👼

Context

# Packages matching: installed
# Name                # Installed # Synopsis
base-bigarray         base
base-domains          base
base-nnp              base        Naked pointers prohibited in the OCaml heap
base-threads          base
base-unix             base
conf-gmp              4           Virtual package relying on a GMP lib system installation
coq                   8.18.0      The Coq Proof Assistant
coq-core              8.18.0      The Coq Proof Assistant -- Core Binaries and Tools
coq-stdlib            8.18.0      The Coq Proof Assistant -- Standard Library
coqide-server         8.18.0      The Coq Proof Assistant, XML protocol server
dune                  3.13.0      Fast, portable, and opinionated build system
ocaml                 5.0.0       The OCaml compiler (virtual package)
ocaml-base-compiler   5.0.0       Official release 5.0.0
ocaml-config          3           OCaml Switch Configuration
ocaml-options-vanilla 1           Ensure that OCaml is compiled with no special options enabled
ocamlfind             1.9.6       A library manager for OCaml
zarith                1.13        Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
maintainer: "palmskog@gmail.com"
homepage: "https://github.com/coq-community/hydra-battles"
dev-repo: "git+https://github.com/coq-community/hydra-battles.git"
bug-reports: "https://github.com/coq-community/hydra-battles/issues"
license: "MIT"
synopsis: "Comparison between ordinals in Gaia and Hydra battles"
description: """
The Gaia and Hydra battles projects develop different notions of ordinals.
This development bridges the different notions."""
build: ["dune" "build" "-p" name "-j" jobs]
depends: [
  "dune" {>= "2.5"}
  "coq" {>= "8.13" & < "8.15~"}
  "coq-hydra-battles" {>= "0.4"}
  "coq-mathcomp-ssreflect" {>= "1.12.0" & < "1.13~"}
  "coq-mathcomp-zify"
  "coq-gaia" {>= "1.12" & < "1.13~"}
]
tags: [
  "category:Mathematics/Logic/Foundations"
  "keyword:ordinal numbers"
  "logpath:gaia_hydras"
  "date:2021-10-15"
]
authors: [
  "Pierre Castéran"
]
url {
  src: "https://github.com/coq-community/hydra-battles/archive/v0.5.tar.gz"
  checksum: "sha512=7edd74fa408b996ebe7c4748046fda522f24a4b532c58b5ad55edeaa4bbd137ba9f21b0b6c1f824d4e7c50f04fb6afe488dfbcd24702e8fe44eb75b780610458"
}

Lint

Command
true
Return code
0

Dry install 🏜️

Dry install with the current Coq version:

Command
opam install -y --show-action coq-gaia-hydras.0.5 coq.8.18.0
Return code
5120
Output
[NOTE] Package coq is already installed (current version is 8.18.0).
[ERROR] Package conflict!
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 5.0.0 -> ocaml = 5.0.0
    - coq-gaia-hydras < 0.6 -> coq < 8.15~ -> ocaml < 4.02.0
    You can temporarily relax the switch invariant with `--update-invariant'
  * No agreement on the version of ocaml-base-compiler:
    - (invariant) -> ocaml-base-compiler = 5.0.0
    - coq-gaia-hydras < 0.6 -> coq < 8.15~ -> ocaml < 4.02.0 -> ocaml-base-compiler = 3.07+2
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.0.0 -> base-nnp
    - coq-gaia-hydras < 0.6 -> coq < 8.15~
  * Missing dependency:
    - coq-gaia-hydras < 0.6 -> coq < 8.15~ -> ocaml < 4.02.0 -> ocaml-variants >= 3.11.1 -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
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-gaia-hydras.0.5
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