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color 1.2.0 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                   8.17.1      The Coq Proof Assistant
coq-core              8.17.1      The Coq Proof Assistant -- Core Binaries and Tools
coq-stdlib            8.17.1      The Coq Proof Assistant -- Standard Library
coqide-server         8.17.1      The Coq Proof Assistant, XML protocol server
dune                  3.12.1      Fast, portable, and opinionated build system
ocaml                 5.1.1       The OCaml compiler (virtual package)
ocaml-base-compiler   5.1.1       Official release 5.1.1
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: "frederic.blanqui@inria.fr"
homepage: "http://color.inria.fr/"
license: "CECILL-2.1"
build: [
  [make "-j%{jobs}%"]
]
install: [make "-f" "Makefile.coq" "install"]
depends: [
  "ocaml"
  "coq" {>= "8.5" & < "8.6~"}
]
authors: [
  "Frédéric Blanqui"
  "Adam Koprowski"
  "Sébastien Hinderer"
  "Pierre-Yves Strub"
  "Sidi Ould Biha"
  "Solange Coupet-Grimal"
  "William Delobel"
  "Hans Zantema"
  "Stéphane Leroux"
  "Léo Ducas"
  "Johannes Waldmann"
  "Qiand Wang"
  "Lianyi Zhang"
  "Sorin Stratulat"
]
tags: [
  "keyword:rewriting"
  "keyword:termination"
  "keyword:lambda calculus"
  "keyword:list"
  "keyword:multiset"
  "keyword:polynomial"
  "keyword:vectors"
  "keyword:matrices"
  "keyword:FSet"
  "keyword:FMap"
  "keyword:term"
  "keyword:context"
  "keyword:substitution"
  "keyword:universal algebra"
  "keyword:varyadic term"
  "keyword:string"
  "keyword:alpha-equivalence"
  "keyword:de Bruijn indices"
  "keyword:simple types"
  "keyword:matching"
  "keyword:unification"
  "keyword:relation"
  "keyword:ordering"
  "keyword:quasi-ordering"
  "keyword:lexicographic ordering"
  "keyword:ring"
  "keyword:semiring"
  "keyword:well-foundedness"
  "keyword:noetherian"
  "keyword:finitely branching"
  "keyword:dependent choice"
  "keyword:infinite sequences"
  "keyword:non-termination"
  "keyword:loop"
  "keyword:graph"
  "keyword:path"
  "keyword:transitive closure"
  "keyword:strongly connected components"
  "keyword:topological ordering"
  "keyword:rpo"
  "keyword:horpo"
  "keyword:dependency pair"
  "keyword:dependency graph"
  "keyword:semantic labeling"
  "keyword:reducibility"
  "keyword:Girard"
  "keyword:fixpoint theorem"
  "keyword:Tarski"
  "keyword:pigeon-hole principle"
  "keyword:Ramsey theorem"
  "category:Computer Science/Decision Procedures and Certified Algorithms/Correctness proofs of algorithms"
  "category:Computer Science/Data Types and Data Structures"
  "category:Computer Science/Lambda Calculi"
  "category:Mathematics/Algebra"
  "category:Mathematics/Combinatorics and Graph Theory"
  "category:Mathematics/Logic/Type theory"
  "category:Miscellaneous/Extracted Programs/Type checking unification and normalization"
  "date:2016-01-26"
  "logpath:CoLoR"
]
synopsis: "A library on rewriting theory and termination"
url {
  src: "http://files.inria.fr/blanqui/color/color.1.2.0.tar.gz"
  checksum: "md5=3e1541cc57beec0790667ef49bee66ce"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-color.1.2.0 coq.8.17.1

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.17.1).
[ERROR] Package conflict!
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler >= 5.1.1 -> ocaml = 5.1.1
    - coq-color = 1.2.0 -> coq < 8.6~ -> 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 >= 5.1.1
    - coq-color = 1.2.0 -> coq < 8.6~ -> ocaml < 4.02.0 -> ocaml-base-compiler = 3.08.1
  * Missing dependency:
    - coq-color = 1.2.0 -> coq < 8.6~ -> ocaml < 4.02.0 -> ocaml-variants >= 3.09.2 -> 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-color.1.2.0
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