feat(templates/go): add flake template for go projects

8 files changed, 151 insertions, 0 deletions

diff --git a/templates/default.nix b/templates/default.nix
index 38c4877..1307ad7 100644
--- a/templates/default.nix
+++ b/templates/default.nix
@@ -3,4 +3,9 @@
     description = "Simple rust package";
     path = ./rust;
   };
+
+  go = {
+    description = "go template";
+    path = ./go;
+  };
 }
diff --git a/templates/go/.drone.yml b/templates/go/.drone.yml
new file mode 100644
index 0000000..13b4026
--- /dev/null
+++ b/templates/go/.drone.yml
@@ -0,0 +1,32 @@
+---
+kind: pipeline
+type: docker
+name: checks
+
+trigger:
+  event:
+    - push
+    - pull_request
+
+steps:
+  - name: Run checks
+    image: nixpkgs/nix-flakes:nixos-22.11
+    commands:
+      - nix develop --command pre-commit run --verbose --hook-stage commit --all-files --show-diff-on-failure
+
+---
+kind: pipeline
+type: docker
+name: build
+
+trigger:
+  event:
+    - push
+    - pull_request
+
+steps:
+  - name: Run tests and build
+    image: nixpkgs/nix-flakes:nixos-22.11
+    commands:
+      - nix develop --command go test -race ./...
+      - nix build
diff --git a/templates/go/.envrc b/templates/go/.envrc
new file mode 100644
index 0000000..a5dbbcb
--- /dev/null
+++ b/templates/go/.envrc
@@ -0,0 +1 @@
+use flake .
diff --git a/templates/go/LICENSE b/templates/go/LICENSE
new file mode 100644
index 0000000..c27fed0
--- /dev/null
+++ b/templates/go/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) Franck Cuny
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/templates/go/README.md b/templates/go/README.md
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/templates/go/README.md
diff --git a/templates/go/flake.nix b/templates/go/flake.nix
new file mode 100644
index 0000000..9038975
--- /dev/null
+++ b/templates/go/flake.nix
@@ -0,0 +1,83 @@
+{
+  description = "Go project template";
+
+  inputs = {
+    futils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    pre-commit-hooks = {
+      url = "github:cachix/pre-commit-hooks.nix";
+      inputs = {
+        flake-utils.follows = "futils";
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+  };
+
+  outputs =
+    { self
+    , futils
+    , nixpkgs
+    , pre-commit-hooks
+    }:
+    futils.lib.eachDefaultSystem
+      (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+        pname = "project-name";
+        version = "0.0.1";
+        tools = with pkgs; [
+          # https://github.com/golang/vscode-go/blob/master/docs/tools.md
+          delve
+          golangci-lint
+          gopls
+        ];
+      in
+      rec {
+        # `nix build`
+        packages."${pname}" = pkgs.buildGoModule {
+          inherit pname version;
+          src = ./.;
+          vendorSha256 = null;
+        };
+        defaultPackage = packages."${pname}";
+
+        # `nix run`
+        apps = {
+          "${pname}" = futils.lib.mkApp {
+            drv = packages."${pname}";
+            exePath = "/bin/changeme";
+          };
+          default = apps."${pname}";
+        };
+
+        # `nix develop`
+        checks = {
+          pre-commit = pre-commit-hooks.lib.${system}.run {
+            src = ./.;
+            hooks = {
+              nixpkgs-fmt.enable = true;
+              yamllint.enable = true;
+              govet.enable = true;
+              gotest.enable = true;
+              gofmt.enable = true;
+              staticcheck.enable = true;
+            };
+            settings = {
+              yamllint.relaxed = true;
+            };
+          };
+        };
+
+        devShell = pkgs.mkShell {
+          buildInputs = with pkgs; [ go ] ++ tools;
+          inherit (self.checks.${system}.pre-commit) shellHook;
+        };
+      })
+    // {
+      overlay = final: prev: {
+        XXX = self.defaultPackage.${prev.system};
+      };
+    };
+}
diff --git a/templates/go/go.mod b/templates/go/go.mod
new file mode 100644
index 0000000..736d11c
--- /dev/null
+++ b/templates/go/go.mod
@@ -0,0 +1,3 @@
+module go.fcuny.net/changeme
+
+go 1.18
diff --git a/templates/go/main.go b/templates/go/main.go
new file mode 100644
index 0000000..7776ec8
--- /dev/null
+++ b/templates/go/main.go
@@ -0,0 +1,7 @@
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println("hello world!")
+}