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jsast 2.0.0 Not compatible 👼

Context

# Packages matching: installed
# Name              # Installed # Synopsis
base-bigarray       base
base-threads        base
base-unix           base
camlp5              7.14        Preprocessor-pretty-printer of OCaml
conf-findutils      1           Virtual package relying on findutils
conf-perl           2           Virtual package relying on perl
coq                 8.9.0       Formal proof management system
num                 1.4         The legacy Num library for arbitrary-precision integer and rational arithmetic
ocaml               4.08.1      The OCaml compiler (virtual package)
ocaml-base-compiler 4.08.1      Official release 4.08.1
ocaml-config        1           OCaml Switch Configuration
ocamlfind           1.9.6       A library manager for OCaml
# opam file:
opam-version: "2.0"
synopsis: "A minimal JavaScript syntax tree carved out of the JsCert project"
description: """
A minimal JavaScript syntax tree carved out of the JsCert project, with additional support for let bindings and using native floats.
"""
maintainer: "Jerome Simeon <jeromesimeon@me.com>"
authors: [
    "Martin Bodin <>"
    "Arthur Charguéraud <>"
    "Daniele Filaretti <>"
    "Philippa Gardner <>"
    "Sergio Maffeis <>"
    "Daiva Naudziuniene <>"
    "Alan Schmitt <>"
    "Gareth Smith <>"
    "Josh Auerbach <>"
    "Martin Hirzel <>"
    "Louis Mandel <>"
    "Avi Shinnar <>"
    "Jerome Simeon <>"
]
license: "BSD-2-Clause"
homepage: "https://github.com/querycert/jsast"
bug-reports: "https://github.com/querycert/jsast/issues"
dev-repo: "git+https://github.com/querycert/jsast/tree/JsAst"
build: [
  [make "-j%{jobs}%"]
]
install: [
  [make "install"]
]
depends: [
  "coq" { >= "8.11.2" }
]
tags: [ "keyword:javascript" "keyword:compiler" "date:2020-07-29" "logpath:JsAst" ]
url {
  src: "https://github.com/querycert/jsast/archive/v2.0.0.tar.gz"
  checksum: "md5=cdda0e39036bbcb08fb5d048299dd103"
}

Lint

Command: true
Return code: 0

Dry install 🏜️

Dry install with the current Coq version:

Command

opam install -y --show-action coq-jsast.2.0.0 coq.8.9.0

Return code

5120

Output

[NOTE] Package coq is already installed (current version is 8.9.0).
The following dependencies couldn't be met:
  - coq-jsast -> coq >= 8.11.2 -> ocaml >= 4.09.0
      base of this switch (use `--unlock-base' to force)
  - coq-jsast -> coq >= 8.11.2 -> coq-core -> ocaml >= 4.09.0
      base of this switch (use `--unlock-base' to force)
Your request can't be satisfied:
  - No available version of coq satisfies the constraints
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-jsast.2.0.0
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