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chick-blog 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                  3.12.2      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: "dev@clarus.me"
homepage: "https://github.com/clarus/coq-chick-blog"
dev-repo: "git+https://github.com/clarus/coq-chick-blog.git"
bug-reports: "https://github.com/clarus/coq-chick-blog/issues"
authors: ["Guillaume Claret"]
license: "MIT"
build: [
  ["./configure.sh"]
  [make "-j%{jobs}%"]
  [make "-C" "extraction" "-j%{jobs}%"]
]
depends: [
  "cohttp-lwt-unix"
  "coq-error-handlers"
  "coq-function-ninjas"
  "coq-list-string"
  "coq-moment"
  "coq" {< "8.9~"}
  "lwt"
  "ocaml" {>= "4.03"}
  "ocamlfind" {build}
]
tags: [
  "date:2019-11-26"
  "keyword:blog"
  "keyword:effects"
  "keyword:extraction"
]
synopsis: "A blog engine written and proven in Coq"
url {
  src: "https://github.com/clarus/coq-chick-blog/archive/1.0.0.tar.gz"
  checksum: "sha512=f54224caafc490f01896ff1fa1e6e9c71ff91ca5bf04fe00f4761dbd9e32758628f6be045b56f4a466574c05ae98edaf41931a1851ae59b8ab0686d83bb28036"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-chick-blog.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 coq:
    - coq >= dev
    - coq-chick-blog < 1.0.1 -> coq < 8.9~
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 5.0.0 -> ocaml = 5.0.0
    - coq-chick-blog < 1.0.1 -> coq < 8.9~ -> ocaml < 4.05.0
    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-chick-blog < 1.0.1 -> coq < 8.9~ -> ocaml < 4.05.0 -> ocaml-base-compiler = 3.08.3
  * Missing dependency:
    - coq-chick-blog < 1.0.1 -> coq < 8.9~ -> ocaml < 4.05.0 -> 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-chick-blog.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