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lens 1.0.0 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                   dev         The Coq Proof Assistant
coq-core              dev         The Coq Proof Assistant -- Core Binaries and Tools
coq-stdlib            dev         The Coq Proof Assistant -- Standard Library
coqide-server         dev         The Coq Proof Assistant, XML protocol server
dune                  3.13.0      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"
synopsis: "Generation of lenses for record datatypes"
maintainer: "gregory@bedrocksystems.com"
authors: [
  "Gregory Malecha <gregory@bedrocksystems.com>"
]
homepage: "https://github.com/bedrocksystems/coq-lens"
dev-repo: "git://github.com/bedrocksystems/coq-lens.git"
bug-reports: "https://github.com/bedrocksystems/coq-lens/issues"
license: "LGPL2.1+BedRock"
build: [
  [make "-j%{jobs}%"]
]
install: [
  [make "install"]
]
depends: [
  "ocaml"
  "coq" {>= "8.11" & < "8.12~"}
  "coq-metacoq-template" { = "1.0~alpha2+8.11" }
]
tags: [
  "logpath: Lens"
  "date: 2020-03-29"
]
url {
  src: "https://github.com/bedrocksystems/coq-lens/archive/v1.0.0.tar.gz"
  checksum: "sha256=1f5009707ae6a7c225be55e118faa1131d4d35ea5e61612cef150e945fad23db"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-lens.1.0.0 coq.dev

Return code

5120

Output

[NOTE] Package coq is already installed (current version is dev).
[ERROR] Package conflict!
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler >= 5.1.1 -> ocaml = 5.1.1
    - coq-lens < 1.0.1+8.11 -> coq-metacoq-template = 1.0~alpha2+8.11 -> ocaml < 4.10
    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-lens < 1.0.1+8.11 -> coq-metacoq-template = 1.0~alpha2+8.11 -> ocaml < 4.10 -> ocaml-base-compiler < 3.07+1
  * Missing dependency:
    - coq-lens < 1.0.1+8.11 -> coq-metacoq-template = 1.0~alpha2+8.11 -> ocaml < 4.10 -> ocaml-variants -> 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-lens.1.0.0
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