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nixpkgs/pkgs/misc/vim-plugins/update.py
Matthieu Coudron 8c63ac7893 vimPlugins: generate an overlay
let update.py generates generated.nix as an overlay.
This should help maintaining vim-plugins outside of nixpkgs, as one can
use update.py to generate an out-of-tree vimPlugins overlay.
2021-05-17 00:40:25 +02:00

91 lines
2.6 KiB
Python
Executable file

#!/usr/bin/env nix-shell
#!nix-shell -p nix-prefetch-git -p python3 -p python3Packages.GitPython nix -i python3
# format:
# $ nix run nixpkgs.python3Packages.black -c black update.py
# type-check:
# $ nix run nixpkgs.python3Packages.mypy -c mypy update.py
# linted:
# $ nix run nixpkgs.python3Packages.flake8 -c flake8 --ignore E501,E265,E402 update.py
import inspect
import os
import sys
from typing import List, Tuple
from pathlib import Path
# Import plugin update library from maintainers/scripts/pluginupdate.py
ROOT = Path(os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))))
sys.path.insert(0, os.path.join(ROOT.parent.parent.parent, "maintainers", "scripts"))
import pluginupdate
GET_PLUGINS = f"""(with import <localpkgs> {{}};
let
inherit (vimUtils.override {{inherit vim;}}) buildVimPluginFrom2Nix;
generated = callPackage {ROOT}/generated.nix {{
inherit buildVimPluginFrom2Nix;
}};
hasChecksum = value: lib.isAttrs value && lib.hasAttrByPath ["src" "outputHash"] value;
getChecksum = name: value:
if hasChecksum value then {{
submodules = value.src.fetchSubmodules or false;
sha256 = value.src.outputHash;
rev = value.src.rev;
}} else null;
checksums = lib.mapAttrs getChecksum generated;
in lib.filterAttrs (n: v: v != null) checksums)"""
HEADER = (
"# This file has been generated by ./pkgs/misc/vim-plugins/update.py. Do not edit!"
)
def generate_nix(plugins: List[Tuple[str, str, pluginupdate.Plugin]], outfile: str):
sorted_plugins = sorted(plugins, key=lambda v: v[2].name.lower())
with open(outfile, "w+") as f:
f.write(HEADER)
f.write(
"""
{ lib, buildVimPluginFrom2Nix, fetchFromGitHub }:
final: prev:
{"""
)
for owner, repo, plugin in sorted_plugins:
if plugin.has_submodules:
submodule_attr = "\n fetchSubmodules = true;"
else:
submodule_attr = ""
f.write(
f"""
{plugin.normalized_name} = buildVimPluginFrom2Nix {{
pname = "{plugin.normalized_name}";
version = "{plugin.version}";
src = fetchFromGitHub {{
owner = "{owner}";
repo = "{repo}";
rev = "{plugin.commit}";
sha256 = "{plugin.sha256}";{submodule_attr}
}};
meta.homepage = "https://github.com/{owner}/{repo}/";
}};
"""
)
f.write(
"""
}
"""
)
print(f"updated {outfile}")
def main():
editor = pluginupdate.Editor("vim", ROOT, GET_PLUGINS, generate_nix)
pluginupdate.update_plugins(editor)
if __name__ == "__main__":
main()