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flake.nix
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flake.nix
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{
description = "A little library to help with the print debugging on C++11 and forward";
inputs = {
nixpkgs.url = "nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, flake-utils }:
let
headerSrc = builtins.readFile ./CMakeLists.txt;
versionNumbersRegex = ".*project[[:space:]]*\\(.*[[:space:]]VERSION[[:space:]]+([[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+).*\\).*";
versionNumbers = builtins.head (builtins.match versionNumbersRegex headerSrc);
devHash_ = builtins.match ".*DEV_HASH: ([[:xdigit:]]{8}).*" headerSrc;
devHash = if devHash_ != null then builtins.head devHash_ else null;
version =
versionNumbers +
(
if devHash != null
then "+dev." + devHash
else "+local_repo"
);
application = { pkgs }:
pkgs.stdenv.mkDerivation {
pname = "icecream-cpp";
inherit version;
src = ./.;
nativeBuildInputs = [ pkgs.buildPackages.cmake ];
meta = with pkgs.lib; {
homepage = "https://github.com/renatoGarcia/icecream-cpp";
description = "A little library to help with the print debugging on C++11 and forward";
license = licenses.mit;
maintainers = with maintainers; [ renatoGarcia ];
};
};
dev-env = { pkgs }:
let
app = application { inherit pkgs; };
in
pkgs.mkShell {
name = "icecream-cpp";
nativeBuildInputs = with pkgs.buildPackages; [
clang-tools
clang
cmakeCurses
boost
] ++ app.nativeBuildInputs;
};
ci-docker = { pkgs, compiler, tagname }:
pkgs.dockerTools.buildLayeredImage {
name = "icecream-ci";
tag = tagname;
contents = with pkgs; [
compiler
gnumake
cmake
boost.dev
busybox
];
# Required by clang using mktemp and failing when /tmp doesn't exist.
extraCommands = ''
mkdir -p tmp
'';
config = {
WorkingDir = "/home";
Env = [
"Boost_INCLUDE_DIR=/include"
];
};
};
in {
overlays.default = final: prev: {
icecream-cpp = application { pkgs = final; };
};
}
//
flake-utils.lib.eachDefaultSystem (system:
let
pkgs = import nixpkgs {
inherit system;
overlays = [ self.overlays.default ];
};
in
{
packages = {
default = pkgs.icecream-cpp;
};
devShells.default = dev-env { inherit pkgs; };
}
);
}