regenerate cli to nimlang and add nix build

Author: cherusk

.github/workflows/build.yml

@@ -0,0 +1,31 @@
+name: Build and Test Godon CLI
+
+on:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Install Nix
+      uses: cachix/install-nix-action@v25
+      with:
+        nix_path: nixpkgs=channel:nixos-25.11
+
+    - name: Build with Nix
+      run: nix build --verbose
+
+    - name: Test binary
+      run: |
+        ./result/bin/godon-cli --help
+
+    - name: Test breeder commands
+      run: |
+        # Test basic CLI functionality
+        ./result/bin/godon-cli --help
+        ./result/bin/godon-cli breeder --help || true  # May fail, but tests argument parsing

flake.nix

@@ -0,0 +1,116 @@
+{
+  description = "Godon CLI - Nim-based CLI for Godon API";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        
+        # Build using nimble following the godon-api pattern
+        godon-cli = { version ? "DEV_BUILD" }: pkgs.stdenv.mkDerivation {
+          pname = "godon-cli";
+          inherit version;
+          src = ./.;
+          
+          nativeBuildInputs = with pkgs; [
+            cacert
+            nim2
+            nimble
+            git
+            openssl.dev
+          ];
+          
+          env = {
+            SSL_CERT_FILE = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
+            NIX_SSL_CERT_FILE = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
+            CURL_CA_BUNDLE = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
+          };
+          
+          configurePhase = ''
+            export HOME=$TMPDIR
+            echo "Building godon-cli"
+            echo "SSL_CERT_FILE: $SSL_CERT_FILE"
+            echo "Certificate exists: $([ -f "$SSL_CERT_FILE" ] && echo "YES" || echo "NO")"
+          '';
+          
+          buildPhase = ''
+            echo "Using documentation-based SSL setup..."
+            echo "Certificate file: $SSL_CERT_FILE"
+            echo "Nim version: $(nim --version | head -n1)"
+            echo "Building version: ${version}"
+            
+            # Refresh package list and build
+            nimble refresh
+            nimble build --verbose -d:release -d:VERSION="${version}"
+          '';
+          
+          installPhase = ''
+            mkdir -p $out/bin
+            
+            echo "Looking for compiled binary..."
+            echo "Current directory: $(pwd)"
+            echo "Directory contents:"
+            find . -name "godon_cli*" -type f -executable 2>/dev/null || true
+            
+            # Install main binary - try multiple locations
+            if [ -f "bin/godon_cli" ]; then
+              echo "Found binary in bin/godon_cli"
+              cp bin/godon_cli $out/bin/
+            elif [ -f "godon_cli" ]; then
+              echo "Found binary in godon_cli"
+              cp godon_cli $out/bin/
+            elif [ -f "src/godon_cli" ]; then
+              echo "Found binary in src/godon_cli"
+              cp src/godon_cli $out/bin/godon_cli
+            else
+              echo "Binary not found in any expected location!"
+              echo "Full directory listing:"
+              ls -la
+              echo "nimble cache:"
+              ls -la ~/.nimble/bin/ 2>/dev/null || true
+              exit 1
+            fi
+            
+            # Make binary executable
+            chmod +x $out/bin/godon_cli
+            
+            echo "✅ Installation completed successfully!"
+            echo "Installed binary: "
+            ls -la $out/bin/
+          '';
+          
+          meta = with pkgs.lib; {
+            description = "CLI for the Godon API";
+            license = licenses.agpl3Only;
+            platforms = platforms.all;
+          };
+        };
+        
+      in {
+        packages.default = godon-cli { };
+        packages.godon-cli = godon-cli;
+        
+        # Allow building with custom version
+        packages.godon-cli-custom = version: godon-cli { inherit version; };
+        
+        # Development shell with Nim and build tools
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            nim2
+            nimble
+            git
+          ];
+          
+          shellHook = ''
+            echo "Godon CLI development environment"
+            echo "Nim: $(nim --version | head -n1)"
+            echo "Nimble: $(nimble --version | head -n1)"
+          '';
+        };
+      });
+}

godon_cli.nimble

@@ -0,0 +1,35 @@
+# Package information
+
+version       = "0.1.0"
+author        = "Matthias Tafelmeier"
+description   = "CLI for the Godon API"
+license       = "AGPL-3.0"
+
+# Dependencies
+
+requires "nim >= 2.0.0"
+
+# Task definitions
+
+task build, "Build the CLI":
+  exec "nim c -d:release -o:bin/godon_cli src/godon_cli.nim"
+
+task build_debug, "Build the CLI with debug symbols":
+  exec "nim c -g -o:bin/godon_cli src/godon_cli.nim"
+
+task clean, "Clean build artifacts":
+  exec "rm -rf bin"
+
+task test, "Run tests":
+  exec "nim c -r tests/test_all.nim"
+
+task docker_build, "Build Docker image":
+  exec "docker build -t godon-cli:latest ."
+
+task docker_run, "Run Docker image":
+  exec "docker run --rm -it godon-cli:latest --help"
+
+# Install script (when installed via nimble)
+installDirs = @["bin"]
+installFiles = @["bin/godon_cli"]
+installExt  = @[]