Files
snitch/flake.nix
2025-12-16 22:52:07 +01:00

97 lines
3.2 KiB
Nix

{
description = "go 1.25.0 dev flake";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
systems.url = "github:nix-systems/default";
};
outputs = { self, nixpkgs, systems }:
let
supportedSystems = import systems;
forAllSystems = f: nixpkgs.lib.genAttrs supportedSystems (system: f system);
in
{
overlays.default = final: prev:
let
version = "1.25.0";
platformInfo = {
"x86_64-linux" = { suffix = "linux-amd64"; sri = "sha256-KFKvDLIKExObNEiZLmm4aOUO0Pih5ZQO4d6eGaEjthM="; };
"aarch64-linux" = { suffix = "linux-arm64"; sri = "sha256-Bd511plKJ4NpmBXuVTvVqTJ9i3mZHeNuOLZoYngvVK4="; };
"i686-linux" = { suffix = "linux-386"; sri = "sha256-jGAt2dmbyUU7OZXSDOS684LMUIVZAKDs5d6ZKd9KmTo="; };
"armv6l-linux" = { suffix = "linux-armv6l"; sri = "sha256-paj4GY/PAOHkhbjs757gIHeL8ypAik6Iczcb/ORYzQk="; };
"x86_64-darwin" = { suffix = "darwin-amd64"; sri = "sha256-W9YOgjA3BiwjB8cegRGAmGURZxTW9rQQWXz1B139gO8="; };
"aarch64-darwin" = { suffix = "darwin-arm64"; sri = "sha256-VEkyhEFW2Bcveij3fyrJwVojBGaYtiQ/YzsKCwDAdJw="; };
};
hostSystem = prev.stdenv.hostPlatform.system;
chosen =
if prev.lib.hasAttr hostSystem platformInfo then platformInfo.${hostSystem}
else
throw ''
unsupported system: ${hostSystem}
add a mapping for your platform using the upstream tarball + sri sha256
'';
in
{
go_1_25_bin = prev.stdenvNoCC.mkDerivation {
pname = "go";
version = version;
src = prev.fetchurl {
url = "https://go.dev/dl/go${version}.${chosen.suffix}.tar.gz";
hash = chosen.sri;
};
dontBuild = true;
installPhase = ''
runHook preInstall
mkdir -p "$out"/{bin,share}
tar -C "$TMPDIR" -xzf "$src"
cp -a "$TMPDIR/go" "$out/share/go"
ln -s "$out/share/go/bin/go" "$out/bin/go"
ln -s "$out/share/go/bin/gofmt" "$out/bin/gofmt"
runHook postInstall
'';
dontPatchELF = true;
dontStrip = true;
meta = with prev.lib; {
description = "go compiler and tools v${version}";
homepage = "https://go.dev/dl/";
license = licenses.bsd3;
platforms = [ hostSystem ];
};
};
};
packages = forAllSystems (system:
let pkgs = import nixpkgs { inherit system; overlays = [ self.overlays.default ]; };
in {
default = pkgs.go_1_25_bin;
go_1_25_bin = pkgs.go_1_25_bin;
}
);
devShells = forAllSystems (system:
let pkgs = import nixpkgs { inherit system; overlays = [ self.overlays.default ]; };
in {
default = pkgs.mkShell {
packages = [ pkgs.go_1_25_bin pkgs.git ];
GOTOOLCHAIN = "local";
shellHook = ''
echo "go toolchain: $(go version)"
'';
};
}
);
};
}