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lens 1.0.0 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                   8.13.1      Formal proof management system
num                   1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml                 4.13.1      The OCaml compiler (virtual package)
ocaml-base-compiler   4.13.1      Official release 4.13.1
ocaml-config          2           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.8.13.1

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.13.1).
The following dependencies couldn't be met:
  - coq-lens -> coq < 8.12~ -> ocaml < 4.12
      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-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