add 'pre commit checks' workflow

.changes/unreleased/Added-20230414-160033.yaml

@@ -0,0 +1,5 @@
+kind: Added
+body: add workflow to run pre-commit checks
+time: 2023-04-14T16:00:33.720896+01:00
+custom:
+  GithubIssue: ""

.github/workflows/pre-commit.yml

@@ -0,0 +1,50 @@
+---
+# yamllint disable-line rule:truthy
+on:
+  pull_request:
+
+name: pre-commit
+
+env:
+  # https://laszlo.cloud/setting-gopath-in-github-actions
+  GOPATH: /home/runner/work/woodpecker/go
+
+jobs:
+  linting:
+    name: Run Checks
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      # https://github.com/actions/setup-python#usage
+      - name: Set up Python 3.x
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.x
+
+      # yamllint disable-line rule:line-length
+      # https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#adding-a-system-path
+      - name: Update PATH
+        run: |
+          echo $PATH
+          echo "$GOPATH/bin" >> $GITHUB_PATH
+
+      - name: Install external deps for precommit
+        # yamllint disable rule:line-length
+        run: |
+          curl -fsSL https://raw.githubusercontent.com/infracost/infracost/master/scripts/install.sh | sh
+          go install github.com/sqs/goreturns@latest
+          go install github.com/securego/gosec/v2/cmd/gosec@latest
+          go install github.com/mgechev/revive@latest
+          go install golang.org/x/tools/cmd/goimports@latest
+          # goreturns doesn't share its version
+          # goimports doesn't share its version
+          gosec --version
+          revive --version
+        # yamllint enable rule:line-length
+
+      - name: Run precommit checks
+        run: |
+          pip install pre-commit
+          pre-commit run --all-files