refine github workflows (#331)

* ci: add golangci-lint workflow

It doesn't conform to the treefmt spec so we run it here to catch any issues.

* ci: switch to buildbot

---------

Signed-off-by: Brian McGee <brian@bmcgee.ie>

.github/workflows/golangci-lint.yml

@@ -0,0 +1,24 @@
+name: golangci-lint
+
+on:
+    push:
+        tags:
+            - v*
+        branches:
+            - main
+    pull_request:
+
+permissions:
+    contents: read
+
+jobs:
+    golangci:
+        name: lint
+        runs-on: ubuntu-22.04
+        steps:
+            - uses: actions/checkout@v3
+            - name: golangci-lint
+              uses: golangci/golangci-lint-action@v6
+              with:
+                  version: v1.57.2
+                  args: --timeout=2m

.github/workflows/nix.yml

@@ -1,36 +0,0 @@
-name: Nix Flake Actions
-on:
-    push:
-        branches:
-            - main
-    pull_request:
-    workflow_dispatch:
-
-jobs:
-    nix-matrix:
-        runs-on: ubuntu-latest
-        outputs:
-            matrix: ${{ steps.set-matrix.outputs.matrix }}
-        steps:
-            - uses: actions/checkout@v4
-            - uses: cachix/install-nix-action@V27
-            - id: set-matrix
-              name: Generate Nix Matrix
-              run: |
-                  set -Eeu
-                  matrix="$(nix eval --json '.#githubActions.matrix')"
-                  echo "matrix=$matrix" >> "$GITHUB_OUTPUT"
-
-    nix-build:
-        needs: nix-matrix
-        runs-on: ${{ matrix.os }}
-        strategy:
-            matrix: ${{fromJSON(needs.nix-matrix.outputs.matrix)}}
-        steps:
-            - uses: actions/checkout@v4
-            - uses: cachix/install-nix-action@V27
-            - uses: cachix/cachix-action@v15
-              with:
-                  name: numtide
-                  authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
-            - run: nix build -L ".#${{ matrix.attr }}"

flake.lock

@@ -114,26 +114,6 @@
         "type": "github"
       }
     },
-    "nix-github-actions": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1703863825,
-        "narHash": "sha256-rXwqjtwiGKJheXB43ybM8NwWB8rO2dSRrEqes0S7F5Y=",
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "rev": "5163432afc817cf8bd1f031418d1869e4c9d5547",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1714253743,
@@ -157,7 +137,6 @@
         "flake-compat": "flake-compat",
         "gomod2nix": "gomod2nix",
         "nix-filter": "nix-filter",
-        "nix-github-actions": "nix-github-actions",
         "nixpkgs": "nixpkgs",
         "treefmt-nix": "treefmt-nix"
       }

flake.nix

@@ -22,10 +22,6 @@
     };
     flake-compat.url = "github:nix-community/flake-compat";
     nix-filter.url = "github:numtide/nix-filter";
-    nix-github-actions = {
-      url = "github:nix-community/nix-github-actions";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     treefmt-nix = {
       url = "github:numtide/treefmt-nix";
@@ -42,15 +38,5 @@
       nixpkgs.config = {
         allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) ["terraform"];
       };
-    }
-    // {
-      githubActions = inputs.nix-github-actions.lib.mkGithubMatrix {
-        checks =
-          lib.getAttrs [
-            "x86_64-linux"
-            "x86_64-darwin"
-          ]
-          inputs.self.checks;
-      };
     };
 }