Merge pull request #258 from hatch01/master

enable building with nix

.envrc

@@ -0,0 +1 @@
+use flake .

.gitignore

@@ -33,6 +33,10 @@ coverage*.info
 packaging/_BUILD
 packaging/conda/meta.yaml
 
+#nix
+.direnv/
+result
+
 # CLion
 
 .idea/

docs/installation.md

@@ -53,6 +53,23 @@ conda config --set channel_priority strict
 conda install -c bkryza/label/clang-uml clang-uml
 ```
 
+#### nix
+
+```bash
+git clone https://github.com/bkryza/clang-uml
+
+# To build using nix flakes
+nix --extra-experimental-features 'nix-command flakes' build
+
+# or without nix flakes
+nix-build -E 'with import <nixpkgs> { }; callPackage ./packaging/nix { }'
+```
+
+Or if you have flake enabled, you can also directly run
+```bash
+nix run github:bkryza/clang-uml
+```
+
 #### Windows
 
 Download and run the latest Windows installer from

flake.lock

@@ -0,0 +1,45 @@
+{
+  "nodes": {
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1712014858,
+        "narHash": "sha256-sB4SWl2lX95bExY2gMFG5HIzvva5AVMJd4Igm+GpZNw=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "9126214d0a59633752a136528f5f3b9aa8565b7d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1712163089,
+        "narHash": "sha256-Um+8kTIrC19vD4/lUCN9/cU9kcOsD1O1m+axJqQPyMM=",
+        "path": "/nix/store/n2g5cqwv8qf5p6vjxny6pg3blbdij12k-source",
+        "rev": "fd281bd6b7d3e32ddfa399853946f782553163b5",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "C++ UML diagram generator based on Clang";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs";
+
+    flake-parts = {
+      url = "github:hercules-ci/flake-parts";
+      inputs.nixpkgs-lib.follows = "nixpkgs";
+    };
+  };
+
+  outputs = {flake-parts, ...} @ inputs:
+    flake-parts.lib.mkFlake {inherit inputs;} {
+      systems = ["x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin"];
+
+      perSystem = {
+        self',
+        pkgs,
+        ...
+      }: {
+        packages = {
+          default = self'.packages.clang-uml;
+          clang-uml = pkgs.callPackage ./packaging/nix {};
+        };
+
+        devShells.default = pkgs.mkShell {
+          inputsFrom = [self'.packages.clang-uml];
+        };
+
+        formatter = pkgs.alejandra;
+      };
+    };
+}

packaging/nix/default.nix

@@ -0,0 +1,30 @@
+{
+  stdenv,
+  cmake,
+  pkg-config,
+  installShellFiles,
+  libclang,
+  libllvm,
+  yaml-cpp,
+}:
+stdenv.mkDerivation {
+  name = "clang-uml";
+  src = ../..;
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+    installShellFiles
+  ];
+
+  buildInputs = [
+    libclang
+    libllvm
+    yaml-cpp
+  ];
+
+  postInstall = ''
+    installShellCompletion --bash $src/packaging/autocomplete/clang-uml
+    installShellCompletion --zsh $src/packaging/autocomplete/_clang-uml
+  '';
+}