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ci: Nix flake and devShell #2189

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ci: Nix flake and devShell #2189

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9da6058
ci: nix flake and devShell
dougch Feb 11, 2025
f9031aa
bump nixpkg ver
dougch Feb 11, 2025
968f9ee
add a nix fmt/flake check action
dougch Feb 12, 2025
89a9fca
Merge branch 'main' into nix_pr
dougch Mar 5, 2025
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251 changes: 251 additions & 0 deletions flake.lock
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32 changes: 32 additions & 0 deletions flake.nix
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Original file line number Diff line number Diff line change
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{
description = "AWS-LC is a general-purpose cryptographic library";

inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
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Will we have to keep this up to date? Is there an option for latest?

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Latest is essentially a development branch and comes with the risk of breakage. There are only 2 releases a year (similar to Canonical's cadence), so the version bumps can be infrequent.


outputs = { self, nix, nixpkgs, flake-utils }:
flake-utils.lib.eachDefaultSystem (system:
let
pkgs = nixpkgs.legacyPackages.${system};
shells = import ./nix/devshell.nix { pkgs = pkgs; };

in rec {
packages.aws-lc = pkgs.stdenv.mkDerivation {
src = self;
name = "aws-lc";
inherit system;
nativeBuildInputs = [ pkgs.ninja pkgs.cmake pkgs.perl pkgs.golang ];
cmakeFlags = [
"-GNinja"
"-DBUILD_SHARED_LIBS=ON"
"-DCMAKE_BUILD_TYPE=RelWithDebInfo"
];
checkPhase = ''
ninja run_minimal_tests
'';
};
formatter = pkgs.nixfmt;
packages.default = packages.aws-lc;
devShells.default = shells;
});
}

24 changes: 24 additions & 0 deletions nix/devshell.nix
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{pkgs}:
pkgs.mkShell rec {
buildInputs = [ pkgs.cmake ];
packages = [ pkgs.gdb pkgs.nixfmt pkgs.ninja pkgs.cmake pkgs.perl pkgs.go ];
shellHook = ''
echo "Entering a devShell..."
export PS1="[awslc nix] $PS1"
function clean {(set -e
rm -rf ./build
)}
function configure {(set -e
cmake -S . -B./build \
-GNinja \
-DBUILD_SHARED_LIBS=ON \
-DCMAKE_BUILD_TYPE=RelWithDebInfo
)}
function build {
cmake --build ./build -j $(nproc)
}
function unit {
ninja -C build run_tests
}
'';
}
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