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Use the Nixpkgs fileset library to filter source

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Now I can change Nix files without causing rebuilds.
This commit is contained in:
John Ericson 2024-01-25 12:21:13 -05:00
parent d6d6d1b649
commit 4bbc7b8f75
2 changed files with 24 additions and 7 deletions
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5
flake.nix
View file

@ -10,7 +10,7 @@
# 23.11 and has `lib.fileset`. # 23.11 and has `lib.fileset`.
inputs.nixpkgs-for-fileset.url = "github:NixOS/nixpkgs/nixos-23.11"; inputs.nixpkgs-for-fileset.url = "github:NixOS/nixpkgs/nixos-23.11";
outputs = { self, nixpkgs, nix }: outputs = { self, nixpkgs, nix, nixpkgs-for-fileset }:
let let
systems = [ "x86_64-linux" "aarch64-linux" ]; systems = [ "x86_64-linux" "aarch64-linux" ];
forEachSystem = nixpkgs.lib.genAttrs systems; forEachSystem = nixpkgs.lib.genAttrs systems;
@ -65,7 +65,8 @@
}; };
hydra = final.callPackage ./package.nix { hydra = final.callPackage ./package.nix {
src = self; inherit (nixpkgs-for-fileset.lib) fileset;
rawSrc = self;
}; };
}; };

26
package.nix
View file

@ -1,7 +1,8 @@
{ stdenv { stdenv
, lib , lib
, fileset
, src , rawSrc
, buildEnv , buildEnv
@ -128,13 +129,28 @@ let
]; ];
}; };
version = "${builtins.readFile ./version.txt}.${builtins.substring 0 8 (src.lastModifiedDate or "19700101")}.${src.shortRev or "DIRTY"}"; version = "${builtins.readFile ./version.txt}.${builtins.substring 0 8 (rawSrc.lastModifiedDate or "19700101")}.${rawSrc.shortRev or "DIRTY"}";
in in
stdenv.mkDerivation { stdenv.mkDerivation (finalAttrs: {
pname = "hydra"; pname = "hydra";
inherit version; inherit version;
inherit src; src = fileset.toSource {
root = ./.;
fileset = fileset.unions ([
./version.txt
./configure.ac
./Makefile.am
./src
./doc
./hydra-module.nix
# TODO only when `doCheck`
./t
] ++ lib.optionals finalAttrs.doCheck [
./.perlcriticrc
./.yath.rc
]);
};
strictDeps = true; strictDeps = true;
@ -251,4 +267,4 @@ stdenv.mkDerivation {
meta.description = "Build of Hydra on ${stdenv.system}"; meta.description = "Build of Hydra on ${stdenv.system}";
passthru = { inherit perlDeps nix; }; passthru = { inherit perlDeps nix; };
} })