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https://github.com/NixOS/bundlers.git
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89 lines
3.3 KiB
Nix
89 lines
3.3 KiB
Nix
# First draft of this flake include a large amount of cruft to be compatible
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# with both pre and post Nix 2.6 APIs.
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#
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# The expected state is to support bundlers of the form:
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# bundlers.<system>.<name> = drv: some-drv;
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{
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description = "Example bundlers";
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inputs.nix-utils.url = "github:juliosueiras-nix/nix-utils";
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inputs.nix-bundle.url = "github:matthewbauer/nix-bundle";
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outputs = { self, nixpkgs, nix-bundle, nix-utils }: let
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# System types to support.
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supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
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# Helper function to generate an attrset '{ x86_64-linux = f "x86_64-linux"; ... }'.
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forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
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# Nixpkgs instantiated for supported system types.
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nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
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# Backwards compatibility helper for pre Nix2.6 bundler API
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program = p: with builtins; with (protect p); "${outPath}/bin/${
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if p?meta && p.meta?mainProgram then
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meta.mainProgram
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else (parseDrvName (unsafeDiscardStringContext p.name)).name
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}";
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protect = drv: if drv?outPath then drv else throw "provided installable is not a derivation and not coercible to an outPath";
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in {
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defaultBundler = builtins.listToAttrs (map (system: {
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name = system;
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value = drv: self.bundlers.${system}.toArx (protect drv);
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}) supportedSystems)
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# Backwards compatibility helper for pre Nix2.6 bundler API
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// {__functor = s: nix-bundle.bundlers.nix-bundle;};
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bundlers = let n =
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(forAllSystems (system: {
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# Backwards compatibility helper for pre Nix2.6 bundler API
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toArx = drv: (nix-bundle.bundlers.nix-bundle ({
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program = if drv?program then drv.program else (program drv);
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inherit system;
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})) // (if drv?program then {} else {name=
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(builtins.parseDrvName drv.name).name;});
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toRPM = drv: nix-utils.bundlers.rpm {inherit system; program=program drv;};
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toDEB = drv: nix-utils.bundlers.deb {inherit system; program=program drv;};
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toDockerImage = {...}@drv:
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(nixpkgs.legacyPackages.${system}.dockerTools.buildLayeredImage {
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name = drv.name or drv.pname or "image";
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tag = "latest";
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contents = if drv?outPath then drv else throw "provided installable is not a derivation and not coercible to an outPath";
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});
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toBuildDerivation = drv:
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(import ./report/default.nix {
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drv = protect drv;
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pkgs = nixpkgsFor.${system};}).buildtimeDerivations;
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toReport = drv:
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(import ./report/default.nix {
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drv = protect drv;
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pkgs = nixpkgsFor.${system};}).runtimeReport;
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identity = drv: drv;
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}
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));
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in with builtins;
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# Backwards compatibility helper for pre Nix2.6 bundler API
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listToAttrs (map
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(name: {
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inherit name;
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value = builtins.trace "The bundler API has been updated to require the form `bundlers.<system>.<name>`. The previous API will be deprecated in Nix 2.7. See `https://github.com/NixOS/nix/pull/5456/`"
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({system,program}@drv: self.bundlers.${system}.${name}
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(drv // {
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name = baseNameOf drv.program;
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outPath = dirOf (dirOf drv.program);
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}));
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})
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(attrNames n.x86_64-linux))
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//
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n;
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};
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}
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