README: Link auto-upgrade-with-pinch

[pinch] / default.nix

diff --git a/default.nix b/default.nix
index 6ad80dfb5fc36060b30e55825168023a6dae4e26..fd2bccff4f52c1cc7a6764ee301deda0832a9df5 100644 (file)
--- a/default.nix
+++ b/default.nix
@@ -1,11 +1,50 @@
 { pkgs ? import <nixpkgs> { }, lint ? false }:
 { pkgs ? import <nixpkgs> { }, lint ? false }:

-pkgs.python3Packages.callPackage
-({ lib, buildPythonPackage, nix, git, autopep8, mypy, pylint, }:
+
+let
+  checkInputsAreNative = pkgs.lib.hasInfix "nativeCheckInputs"
+    (builtins.readFile <nixpkgs/doc/stdenv/stdenv.chapter.md>);
+  checkInputsName =
+    if checkInputsAreNative then "nativeCheckInputs" else "checkInputs";
+
+  git-cache-fallback = { buildPythonPackage, fetchgit, git, backoff, mypy, }:
+    buildPythonPackage rec {
+      pname = "git-cache";
+      version = "1.5.0";
+      src = fetchgit {
+        url = "https://git.scottworley.com/pub/git/git-cache";
+        rev = "v${version}";
+        hash = "sha256-g4TS/zX3e29Q3ThsCAX2wLLlYbi8fdux5uqAc+b/Oww=";
+      };
+      propagatedBuildInputs = [ backoff ];
+      "${checkInputsName}" = [ git mypy ];
+      doCheck = true;
+      checkPhase = "./test.sh";
+    };
+
+in pkgs.python3Packages.callPackage ({ lib, buildPythonPackage, nix_2_3, git
+  , autopep8, makeWrapper, mypy, pylint, git-cache, }:

   buildPythonPackage rec {
     pname = "pinch";
   buildPythonPackage rec {
     pname = "pinch";

-    version = "2.1.1";
+    version = "3.1.0";

     src = lib.cleanSource ./.;
     src = lib.cleanSource ./.;

-    checkInputs = [ nix git mypy ] ++ lib.optionals lint [ autopep8 pylint ];
+    buildInputs = [ makeWrapper ];
+    propagatedBuildInputs = [ git-cache ];
+    "${checkInputsName}" = [ nix_2_3 git mypy ]
+      ++ lib.optionals lint [ autopep8 pylint ];
+    postInstall = ''
+      wrapProgram "$out/bin/pinch" --prefix PATH : ${nix_2_3}/bin
+    '';

     doCheck = true;
     checkPhase = "./test.sh";
     doCheck = true;
     checkPhase = "./test.sh";

-  }) { }
+    meta = {
+      description = "A replacement for `nix-channel --update`";
+      homepage = "https://git.scottworley.com/pinch";
+      license = pkgs.lib.licenses.gpl3;
+      maintainers = with pkgs.lib.maintainers; [ chkno ];
+    };
+  }) {
+    git-cache =
+      pkgs.python3Packages.git-cache or (pkgs.python3Packages.callPackage
+        git-cache-fallback { });
+    nix_2_3 = pkgs.nix_2_3 or pkgs.nix;
+  }