add start of github action

.github/CODEOWNERS

@@ -0,0 +1 @@
+* @tateexon

.github/actions/go-change-delta/action.yaml

@@ -0,0 +1,61 @@
+name: 'Update Internal Mirrors Action'
+inputs:
+  version:
+    description: The go-change-delta version you wish to use
+    required: false
+    default: latest
+  install:
+    description: Should we install go-change-delta
+    required: false
+    default: 'true'
+  use-nix:
+    description: Should nix be used under the hood, requires this projects load-nix action
+    required: false
+    default: 'false'
+  base-ref:
+    description: The base ref to compare results against, typically this is main
+    required: false
+    default: ${{ github.base_ref }}
+  depth:
+    description: The depth of recursion to check, 0 is default and infinite and will get all packages at any depth
+    required: false
+    default: '0'
+  path:
+    description: The path to the root of the go module, if this is a a go module not at the root this is helpful
+    required: false
+    default: ""
+  exclude:
+    description: A comma separated list of paths to exclude from the checks
+    required: false
+    default: ""
+  include-test:
+    description: Should include test only package changes
+    required: false
+    default: true
+outputs:
+  packages:
+    description: Affected Packages
+    value: ${{ steps.delta.outputs.packages || '' }}
+runs:
+  using: 'composite'
+  steps:
+    - name: Install go-change-delta
+      if: inputs.install == 'true'
+      shell: bash
+      run: |
+        if [ "${{ inputs.use-nix }}" == "false" ]; then
+          go install github.com/tateexon/go-change-delta@${{ inputs.version }}
+        else
+          nix develop -c sh -c "go install github.com/tateexon/go-change-delta@${{ inputs.version }}"
+        fi
+    - name: Get Packages Delta
+      id: delta
+      shell: bash
+      run: |
+        packages=""
+        if [ "${{ inputs.use-nix }}" == "false" ]; then
+          packages=$(go-change-delta -b=${{inputs.base-ref}} -l=${{inputs.depth}} -p=${{inputs.path}} -e=${{inputs.exclude}} -t=${{inputs.include-test}})
+        else
+          packages=$(nix develop -c -sh "go-change-delta -b=${{inputs.base-ref}} -l=${{inputs.depth}} -p=${{inputs.path}} -e=${{inputs.exclude}} -t=${{inputs.include-test}}")
+        fi
+        echo "packages=${packages}" >> $GITHUB_OUTPUT

.github/actions/load-nix/action.yaml

@@ -0,0 +1,13 @@
+name: Load Nix
+description: Load nix and setup a cleaner alias on `n` to run bash from within nix
+runs:
+  using: 'composite'
+  steps:
+    - name: Install Nix
+      uses: cachix/install-nix-action@ba0dd844c9180cbf77aa72a116d6fbc515d0e87b # v27
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+    - name: Pre-Load Nix
+      shell: bash
+      run: |
+        nix develop -c sh -c "echo \"load\""

.github/workflows/ci.yaml → .github/workflows/lint.yaml

@@ -14,10 +14,11 @@ jobs:
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           fetch-depth: 0 # needed for pre-commit to work correctly
-      - name: Install Nix
-        uses: cachix/install-nix-action@ba0dd844c9180cbf77aa72a116d6fbc515d0e87b # v27
-        with:
-          nix_path: nixpkgs=channel:nixos-unstable
+      - name: Load Nix
+        uses: ./.github/actions/load-nix
+      - name: Validate Pre-Commit Config
+        shell: bash
+        run: nix develop -c sh -c "pre-commit validate-config"
       - name: Run pre-commit checks
         env:
           BASE_REF: ${{ github.base_ref }}

.github/workflows/test.yaml

@@ -0,0 +1,25 @@
+name: Test
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  pre-commit:
+    name: Run Go Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the Repo
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        with:
+          fetch-depth: 0 # needed for pre-commit to work correctly
+      - name: Load Nix
+        uses: ./.github/actions/load-nix
+      - name: Get Affected Packages
+        uses: ./.github/actions/go-change-delta
+        id: delta
+        with:
+          use-nix: 'true'
+      - name: Run Tests
+        run: nix develop -c sh -c "go test -timeout 5m -cover -covermode=count ${{ steps.delta.outputs.packages }}"

.gitignore

@@ -1,2 +1,2 @@
-go-change-delta
+/go-change-delta
 unit-test-coverage.out