IFD-embracing Nix expression to import
pnpm-lock.yaml files in Nix derivations
nixpkgs
nix
flake
pnpm
feat: initial implementation
Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
+141
+6
default.nix
+6
default.nix
+43
flake.lock
+43
flake.lock
···
1
+
{
2
+
"nodes": {
3
+
"nixpkgs": {
4
+
"locked": {
5
+
"lastModified": 1772624091,
6
+
"narHash": "sha256-QKyJ0QGWBn6r0invrMAK8dmJoBYWoOWy7lN+UHzW1jc=",
7
+
"owner": "nixos",
8
+
"repo": "nixpkgs",
9
+
"rev": "80bdc1e5ce51f56b19791b52b2901187931f5353",
10
+
"type": "github"
11
+
},
12
+
"original": {
13
+
"owner": "nixos",
14
+
"ref": "nixos-unstable",
15
+
"repo": "nixpkgs",
16
+
"type": "github"
17
+
}
18
+
},
19
+
"root": {
20
+
"inputs": {
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+
"nixpkgs": "nixpkgs",
22
+
"systems": "systems"
23
+
}
24
+
},
25
+
"systems": {
26
+
"locked": {
27
+
"lastModified": 1681028828,
28
+
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
29
+
"owner": "nix-systems",
30
+
"repo": "default",
31
+
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
32
+
"type": "github"
33
+
},
34
+
"original": {
35
+
"owner": "nix-systems",
36
+
"repo": "default",
37
+
"type": "github"
38
+
}
39
+
}
40
+
},
41
+
"root": "root",
42
+
"version": 7
43
+
}
+27
flake.nix
+27
flake.nix
···
1
+
{
2
+
description = "A very basic flake";
3
+
4
+
inputs = {
5
+
nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
6
+
systems.url = "github:nix-systems/default";
7
+
};
8
+
9
+
outputs =
10
+
{ nixpkgs, systems, ... }:
11
+
let
12
+
forSystems =
13
+
attrs:
14
+
nixpkgs.lib.genAttrs (import systems) (
15
+
system:
16
+
attrs {
17
+
inherit system;
18
+
pkgs = nixpkgs.legacyPackages.${system};
19
+
}
20
+
);
21
+
in
22
+
{
23
+
legacyPackages = forSystems ({ pkgs, ... }: import ./. { inherit pkgs; });
24
+
25
+
formatter = forSystems ({ pkgs, ... }: pkgs.nixfmt-tree);
26
+
};
27
+
}
+65
importPnpmLock.nix
+65
importPnpmLock.nix
···
1
+
{
2
+
lib,
3
+
runCommand,
4
+
yj,
5
+
mitm-cache,
6
+
}:
7
+
{
8
+
lockFile,
9
+
manualEntries ? { },
10
+
}:
11
+
let
12
+
importYAML =
13
+
file:
14
+
let
15
+
# convert to json
16
+
json = runCommand "converted.json" { } ''
17
+
${yj}/bin/yj < ${file} > $out
18
+
'';
19
+
in
20
+
lib.importJSON json;
21
+
22
+
splitName = builtins.match "^(@?[^@]+)@(.+)$";
23
+
24
+
urlFromName =
25
+
name:
26
+
let
27
+
c = splitName name;
28
+
scopedName = builtins.head c;
29
+
version = lib.last c;
30
+
versionIsUrl = lib.hasPrefix "http" version;
31
+
packageName = lib.last (lib.splitString "/" scopedName);
32
+
in
33
+
if versionIsUrl then
34
+
version
35
+
else
36
+
"https://registry.npmjs.org/${scopedName}/-/${packageName}-${version}.tgz";
37
+
38
+
data = importYAML lockFile;
39
+
40
+
mapPackageToMitmCacheEntry =
41
+
name: package:
42
+
let
43
+
url = urlFromName name;
44
+
integrity = (package.resolution or { }).integrity or manualEntries.${name} or null;
45
+
in
46
+
assert lib.assertMsg (integrity != null) ''
47
+
Package ${name} doesn't have an integrity entry.
48
+
49
+
To fix this, add a manual entry using
50
+
51
+
importPnpmLock {
52
+
lockFile = ${lockFile};
53
+
manualEntries = {
54
+
"${name}" = "";
55
+
};
56
+
}
57
+
'';
58
+
lib.nameValuePair url {
59
+
hash = integrity;
60
+
};
61
+
in
62
+
mitm-cache.fetch {
63
+
name = "npm-cache";
64
+
data = lib.mapAttrs' mapPackageToMitmCacheEntry data.packages;
65
+
}