tjh.dev
nixpkgs mirror (for testing)
github.com/NixOS/nixpkgs
nix
1#!/usr/bin/env nix-shell
2#!nix-shell -i python3 -p python3 bash nix-update jq
3import subprocess
4from os.path import join, dirname
5
6# Outer keys are as in Nix, the inner dict's values are as in upstream.
7# We set oldHash and newHash fields in the inner dict later.
8systems = {
9 "x86_64-linux": {"os": "linux", "arch": "amd64"},
10 "x86_64-darwin": {"os": "macos", "arch": "amd64"},
11 "aarch64-linux": {"os": "linux", "arch": "aarch64"},
12 "aarch64-darwin": {"os": "macos", "arch": "aarch64"},
13}
14
15# This will set the version correctly,
16# and will also set the hash for one of the systems.
17subprocess.run([
18 "nix-update",
19 "fermyon-spin",
20 "--version-regex",
21 r"^v([\d\.]*)",
22 "--url",
23 "https://github.com/spinframework/spin"
24])
25
26newVer = subprocess.run(
27 ["nix-instantiate", "--eval", "--raw", "-A", "fermyon-spin.version"], capture_output=True, encoding="locale"
28).stdout
29
30for nixTuple in systems:
31 url = (
32 "https://github.com/spinframework/spin/releases/download/v"
33 f"{newVer}/spin-v{newVer}-{systems[nixTuple]['os']}-{systems[nixTuple]['arch']}.tar.gz"
34 )
35
36 systems[nixTuple]["oldHash"] = subprocess.run(
37 ["nix-instantiate", "--eval", "--raw", "-A", f"fermyon-spin.passthru.packageHashes.{nixTuple}"],
38 capture_output=True,
39 encoding="locale",
40 ).stdout
41
42 systems[nixTuple]["newHash"] = subprocess.run(
43 ["bash", "-c", f"nix store prefetch-file {url} --json | jq -r '.hash'"],
44 capture_output=True,
45 encoding="locale",
46 ).stdout.strip() # Has a newline
47
48with open(join(dirname(__file__), "package.nix"), "r") as f:
49 file = f.read()
50
51for nixTuple in systems:
52 file = file.replace(systems[nixTuple]["oldHash"], systems[nixTuple]["newHash"])
53
54with open(join(dirname(__file__), "package.nix"), "w") as f:
55 f.write(file)