nixpkgs/pkgs/applications/editors/neovim/update-treesitter-parsers.py
2023-04-19 21:17:19 -04:00

47 lines
986 B
Python
Executable File

#!/usr/bin/env nix-shell
#!nix-shell -i python3 -p python3
import re
import subprocess
from pathlib import Path
parsers = {}
dir = Path(__file__).parent
regex = re.compile(r"^set\(TREESITTER_([A-Z_]+)_(URL|SHA256)\s+([^ \)]+)\s*\)\s*$")
src = subprocess.check_output(
[
"nix-build",
dir.parent.parent.parent.parent,
"-A",
"neovim-unwrapped.src",
"--no-out-link",
],
text=True,
).strip()
for line in open(f"{src}/cmake.deps/CMakeLists.txt"):
m = regex.fullmatch(line)
if m is None:
continue
lang = m[1].lower()
ty = m[2]
val = m[3]
if not lang in parsers:
parsers[lang] = {}
parsers[lang][ty] = val
with open(dir / "treesitter-parsers.nix", "w") as f:
f.write("{ fetchurl }:\n\n{\n")
for lang, src in parsers.items():
f.write(
f""" {lang} = fetchurl {{
url = "{src["URL"]}";
hash = "sha256:{src["SHA256"]}";
}};
"""
)
f.write("}\n")