#27 add shared gfmt workflow (#40)

* #27 add shared gofmt workflow

* #27 cleanup linting, add pass indicator

.github/workflows/gofmt.yaml

@@ -0,0 +1,27 @@
+---
+
+name: 'gofmt'
+
+on: [workflow_call]
+
+permissions:
+  contents: read
+
+jobs:
+  gofmt:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: '0'
+      - name: gofmt
+        run: |
+          gofmt_out="$(gofmt -s -l .)"
+          if [ -n "${gofmt_out}" ]; then
+            echo "[ERROR] Files failing gofmt: "
+            echo "${gofmt_out}"
+            exit 1;
+          else
+            echo "[INFO] gofmt check passed."
+          fi