alire: init at 1.2.2

pkgs/development/tools/build-managers/alire/default.nix

@@ -0,0 +1,50 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, gprbuild
+, gnat
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "alire";
+  version = "1.2.2";
+
+  src = fetchFromGitHub {
+    owner = "alire-project";
+    repo = "alire";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-rwNiSXOIIQR1I8wwp1ROVOfEChT6SCa5c6XnTRqekDc=";
+
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [ gprbuild gnat ];
+
+  # on HEAD (roughly 2c4e5a3), alire provides a dev/build.sh script. for now,
+  # just use gprbuild.
+  buildPhase = ''
+    runHook preBuild
+
+    gprbuild -j$NIX_BUILD_CORES -P alr_env
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out
+    cp -r ./bin $out
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "A source-based package manager for the Ada and SPARK programming languages";
+    homepage = "https://alire.ada.dev";
+    changelog = "https://github.com/alire-project/alire/releases/tag/v${finalAttrs.version}";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ atalii ];
+    platforms = lib.platforms.unix;
+  };
+})

pkgs/top-level/all-packages.nix

@@ -234,6 +234,8 @@ with pkgs;
 
   align = callPackage ../tools/text/align { };
 
+  alire = callPackage ../development/tools/build-managers/alire { };
+
   althttpd = callPackage ../servers/althttpd { };
 
   amqpcat = callPackage ../development/tools/amqpcat { };