go-xkcdreader/flake.nix

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{
description = "an offline-capable xkcd webcomic reader written in Go";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
nixgl.url = "github:guibou/nixGL";
nixgl.inputs.nixpkgs.follows = "nixpkgs";
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flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
inputs.nixpkgs.follows = "nixpkgs";
};
nix-filter = {
url = "github:numtide/nix-filter";
inputs.nixpkgs.follows = "nixpkgs";
};
};
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outputs = { self, nixgl, nix-filter, nixpkgs, ... }:
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let
projname = "go-xkcdreader";
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# to work with older version of flakes
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lastModifiedDate =
self.lastModifiedDate or self.lastModified or "19700101";
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# Generate a user-friendly version number.
# version = builtins.substring 0 8 lastModifiedDate;
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version = "v0.0.13";
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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"; ... }'.
forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
# Nixpkgs instantiated for supported system types.
nixpkgsFor = forAllSystems (system: import nixpkgs {
inherit system;
overlays = [
(import ./overlay.nix)
];
});
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in
rec {
formatter = forAllSystems (system:
nixpkgsFor.${system}.nixpkgs-fmt
);
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packages = forAllSystems (system:
let
pkgs = nixpkgsFor.${system};
inherit (pkgs) lib overlays;# -> lib = pkgs.lib;overlays = pkgs.overlays;
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in
rec {
go-xkcdreader = with pkgs; buildGoModule rec {
pname = "${projname}";
buildInputs = [
gcc
libglvnd # instead of libGL
wayland
libxkbcommon
xorg.libX11
xorg.libXcursor
xorg.libXfixes
xorg.libXrandr
xorg.libXrender
xorg.xrandr
xorg.libXinerama
xorg.xinput
xorg.libXi
xorg.libXxf86vm
# xorg.xorgserver
];
nativeBuildInputs = [ pkgconfig ];
overrideModAttrs = _: {
# GOPROXY = "direct";
};
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inherit version;
doCheck = false;
# use go.mod for managing go deps, instead of vendor-only dir
proxyVendor = true;
tags = [ "wayland" ]; # go "-tags" to build with
ldflags = [
"-s"
"-w"
"-X cmd.version=${version}"
];
modSha256 = lib.fakeSha256;
# dont't forget to update vendorSha256 whenever go.mod or go.sum change
vendorSha256 = "sha256-LvdcTbj8cFlaIBsq1VLfLF2Tu9HiZzGO8igD766nMLE=";
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# In 'nix develop', we don't need a copy of the source tree
# in the Nix store.
src = nix-filter.lib.filter {
root = lib.cleanSource ./.;
exclude = [
./flake.nix
./flake.lock
./default.nix
./shell.nix
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./check-fmt
./README.md
./LICENSE
./.drone.starlark
./.envrc
./.example.vimrc
./.gitattributes
./.gitignore
./.golangci.yml
./.pre-commit-config.yaml
];
};
meta = {
description = "an offline-capable xkcd webcomic reader written in Go";
homepage = "https://git.dotya.ml/wanderer/${projname}";
license = lib.licenses.gpl3;
maintainers = [ "wanderer" ];
platforms = lib.platforms.linux ++ lib.platforms.darwin;
};
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};
default = go-xkcdreader;
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});
apps = forAllSystems (system: rec {
go-xkcdreader = {
type = "app";
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program =
"${self.packages.${system}.${projname}}/bin/${projname}";
};
default = go-xkcdreader;
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});
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devShells = forAllSystems (system:
let
pkgs = import nixpkgs {
inherit system;
overlays = [ nixgl.overlay ];
};
goPkgs = import nixpkgs {
useFetched = true;
inherit system;
overlays = self.overlays or [ ] ++ [
(import ./overlay.nix)
];
};
gob = pkgs.writeShellScriptBin "gob" ''
cd $(git rev-parse --show-toplevel)
go build -v ./...
'';
gota = pkgs.writeShellScriptBin "gota" ''
cd $(git rev-parse --show-toplevel)
go test ./...
'';
upcache = pkgs.writeShellScriptBin "upcache" ''
## refs:
## https://fzakaria.com/2020/08/11/caching-your-nix-shell.html
## https://nixos.wiki/wiki/Caching_nix_shell_build_inputs
nix-store --query --references $(nix-instantiate shell.nix) | \
xargs nix-store --realise | \
xargs nix-store --query --requisites | \
cachix push ${projname}
'';
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add-license = pkgs.writeShellScriptBin "add-license" ''
go run github.com/google/addlicense@v1.0.0 -v \
-c "wanderer <a_mirre at utb dot cz>" \
-l "GPL-3.0-or-later" -s .
'';
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in
{
default = with pkgs; mkShell
{
name = "${projname}-" + version;
GOFLAGS = "-buildmode=pie -trimpath -mod=readonly -modcacherw";
GOLDFLAGS = "-s -w -X cmd.version=${version}";
CGO_CFLAGS = "-g2 -Og -mtune=generic";
CGO_LDFLAGS = "-Wl,-O1,-sort-common,-as-needed,-z,relro,-z,now,-flto -pthread";
GOPROXY = "direct";
shellHook = ''
echo " -- in go-xkcdreader shell..."
'';
nativeBuildInputs = [
## uncomment the line below if using an Intel GPU when
## developing
# pkgs.nixgl.nixGLIntel
## this won't work without passing --impure, doesn't care what
## GPU vendor you use, it figures it out automatically
# pkgs.nixgl.auto.nixGLDefault # requires --impure
];
packages = [
## use patched Go, since it's supposed to be faster
goPkgs.go
## if you wish to use this, uncomment the related block in
## overlay.nix and the next line
# goPkgs.dominikh.go-tools
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# goPkgs.patchelf-x86_64
# goPkgs.patchelf-aarch64
## ad-hoc cmds
gob
gota
upcache
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add-license
gopls
gofumpt
go-tools
golangci-lint
nixpkgs-fmt
] ++ (if stdenv.isLinux then [
pkgconfig
# fyne deps
libglvnd # instead of libGL
wayland
libxkbcommon
xorg.libX11
xorg.libXcursor
xorg.libXfixes
xorg.libXrandr
xorg.libXrender
xorg.xrandr
xorg.libXinerama
xorg.xinput
xorg.libXi
xorg.libXxf86vm
xorg.xorgserver
] else [ ]);
};
}
);
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};
}