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|
#!/usr/bin/env nix-shell
#!nix-shell update-shell.nix -i python
import json
import re
import subprocess
from os import environ
from os.path import dirname, join
lockfile = json.load(open(join(environ["NVIM_TREESITTER"], "lockfile.json")))
configs = json.loads(
subprocess.check_output(
[
"nvim",
"--headless",
"-u",
"NONE",
"+lua io.write(vim.json.encode(require('nvim-treesitter.parsers').get_parser_configs()))",
"+quit!",
]
)
)
regex = re.compile("^https?://(github.com|gitlab.com)/(.+?)/(.+?)(.git)?$")
def generate_grammar(item):
lang, lock = item
cfg = configs.get(lang)
if not cfg:
return ""
info = cfg["install_info"]
url = info["url"]
rev = lock["revision"]
generated = f""" {lang} = buildGrammar {{
language = "{lang}";
version = "{rev[:7]}";
source = """
m = regex.fullmatch(url)
cmd = ["nix-prefetch", "--rev", rev]
match m and m.group(1, 2, 3):
case "github.com", owner, repo:
cmd += [
"fetchFromGitHub",
"--owner",
owner,
"--repo",
repo,
]
generated += f"""fetchFromGitHub {{
owner = "{owner}";
repo = "{repo}";"""
case "gitlab.com", owner, repo:
cmd += [
"fetchFromGitLab",
"--owner",
owner,
"--repo",
repo,
]
generated += f"""fetchFromGitLab {{
owner = "{owner}";
repo = "{repo}";"""
case _:
cmd += ["fetchgit", "url"]
generated += f"""fetchgit {{
url = "{url}";"""
hash = subprocess.check_output(cmd, text=True).strip()
generated += f"""
rev = "{rev}";
hash = "{hash}";
}};"""
location = info.get("location")
if location:
generated += f"""
location = "{location}";"""
if info.get("requires_generate_from_grammar"):
generated += """
generate = true;"""
generated += """
};
"""
return generated
generated_file = """# generated by pkgs/applications/editors/vim/plugins/nvim-treesitter/update.py
{ buildGrammar, fetchFromGitHub, fetchFromGitLab, fetchgit }:
{
"""
for generated in map(generate_grammar, lockfile.items()):
generated_file += generated
generated_file += "}\n"
open(join(dirname(__file__), "generated.nix"), "w").write(generated_file)
|
