npins: simplify src tracking

Until now the npins src has been managed via a mechanism similar to how npins would do it itself.

This hoewer complicates bumping and maintenance. Therefore dropping that and switching to fetchFromGitHub.

pkgs/by-name/np/npins/package.nix

@@ -1,10 +1,10 @@
 {
   lib,
   rustPlatform,
+  fetchFromGitHub,
   makeWrapper,
   stdenv,
   darwin,
-  callPackage,
 
   # runtime dependencies
   nix, # for nix-prefetch-url
@@ -18,12 +18,17 @@ let
     nix-prefetch-git
     git
   ];
-  sources = (lib.importJSON ./sources.json).pins;
 in
 rustPlatform.buildRustPackage rec {
   pname = "npins";
-  version = src.version;
-  src = passthru.mkSource sources.npins;
+  version = "0.3.0";
+
+  src = fetchFromGitHub {
+    owner = "andir";
+    repo = "npins";
+    tag = version;
+    sha256 = "sha256-nTm6IqCHNFQLU7WR7dJRP7ktBctpE/O2LHbUV25roJA=";
+  };
 
   useFetchCargoVendor = true;
   cargoHash = "sha256-HnX7dkWLxa3DARXG8y9OVBRwvwgxwRIs4mWK3VNblG0=";
@@ -51,6 +56,4 @@ rustPlatform.buildRustPackage rec {
     license = licenses.eupl12;
     maintainers = with maintainers; [ piegames ];
   };
-
-  passthru.mkSource = callPackage ./source.nix { };
 }

pkgs/by-name/np/npins/source.nix

@@ -1,76 +0,0 @@
-# Not part of the public API – for use within nixpkgs only
-#
-# Usage:
-# ```nix
-# let
-#   sources = lib.importJSON ./sources.json;
-# in mkMyDerivation rec {
-#   version = src.version; # This obviously only works for releases
-#   src = pkgs.npins.mkSource sources.mySource;
-# }
-# ```
-
-{
-  fetchgit,
-  fetchzip,
-  fetchurl,
-}:
-let
-  mkSource =
-    spec:
-    assert spec ? type;
-    let
-      path =
-        if spec.type == "Git" then
-          mkGitSource spec
-        else if spec.type == "GitRelease" then
-          mkGitSource spec
-        else if spec.type == "PyPi" then
-          mkPyPiSource spec
-        else if spec.type == "Channel" then
-          mkChannelSource spec
-        else
-          throw "Unknown source type ${spec.type}";
-    in
-    spec // { outPath = path; };
-
-  mkGitSource =
-    {
-      repository,
-      revision,
-      url ? null,
-      hash,
-      ...
-    }:
-    assert repository ? type;
-    # At the moment, either it is a plain git repository (which has an url), or it is a GitHub/GitLab repository
-    # In the latter case, there we will always be an url to the tarball
-    if url != null then
-      (fetchzip {
-        inherit url;
-        sha256 = hash;
-        extension = "tar";
-      })
-    else
-      assert repository.type == "Git";
-      fetchgit {
-        url = repository.url;
-        rev = revision;
-      };
-
-  mkPyPiSource =
-    { url, hash, ... }:
-    fetchurl {
-      inherit url;
-      sha256 = hash;
-    };
-
-  mkChannelSource =
-    { url, hash, ... }:
-    fetchzip {
-      inherit url;
-      sha256 = hash;
-      extension = "tar";
-    };
-in
-mkSource

pkgs/by-name/np/npins/sources.json

@@ -1,21 +0,0 @@
-{
-  "pins": {
-    "npins": {
-      "type": "GitRelease",
-      "repository": {
-        "type": "GitHub",
-        "owner": "andir",
-        "repo": "npins"
-      },
-      "pre_releases": false,
-      "version_upper_bound": null,
-      "release_prefix": null,
-      "submodules": false,
-      "version": "0.3.0",
-      "revision": "6cc1930e703698487bd703258126435a536ca492",
-      "url": "https://api.github.com/repos/andir/npins/tarball/0.3.0",
-      "hash": "1450ddp5gm3n5jvg64v9rc2jvf9za79fv4dmac5m8d47l0iblfcx"
-    }
-  },
-  "version": 5
-}