actions: Split lint workflows

.github/workflows/lint-caddy.yml

@@ -0,0 +1,27 @@
+name: 'Lint: Caddyfile'
+
+on:
+  push:
+    paths:
+      - '**/Caddyfile'
+      - .github/workflows/lint-caddy.yml
+  pull_request:
+    paths:
+      - '**/Caddyfile'
+      - .github/workflows/lint-caddy.yml
+
+jobs:
+
+  caddy-fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run caddy fmt
+        run: |
+          cd caddy
+          for CADDYFILE in *; do
+            cp $CADDYFILE Caddyfile.orig
+            docker run -v "$PWD/$CADDYFILE":/srv/Caddyfile caddy \
+              caddy fmt --overwrite
+            diff Caddyfile.orig $CADDYFILE
+          done

.github/workflows/lint-hcl.yml

@@ -0,0 +1,34 @@
+name: 'Lint: hcl'
+
+on:
+  push:
+    paths:
+      - '**/{nomad,hcl}'
+      - .github/workflows/lint-hcl.yml
+  pull_request:
+    paths:
+      - '**/{nomad,hcl}'
+      - .github/workflows/lint-hcl.yml
+
+jobs:
+
+  hcl-fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '^1.16.3'
+
+      - name: Install hclfmt
+        run: go install 'github.com/hashicorp/hcl/v2/cmd/hclfmt@latest'
+
+      - name: Run hclfmt
+        run: |
+          for f in **/*.{nomad,hcl}; do
+            hclfmt \
+              -check \
+              -require-no-change \
+              -w \
+              "$f"
+          done

.github/workflows/lint-tf.yml

@@ -0,0 +1,19 @@
+name: 'Lint: tf'
+
+on:
+  push:
+    paths:
+      - '**/*.tf'
+      - .github/workflows/lint-tf.yml
+  pull_request:
+    paths:
+      - '**/*.tf'
+      - .github/workflows/lint-tf.yml
+
+jobs:
+  tf-fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Format
+        run: terraform -chdir=terraform fmt -check -diff -recursive