Add github step to check formatting

Signed-off-by: Walker Crouse <Walker.Crouse@bjss.com>

.github/workflows/rust.yml

@@ -2,9 +2,9 @@ name: Rust
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   pull_request:
-    branches: [ master ]
+    branches: [master]
 
 env:
   CARGO_TERM_COLOR: always
@@ -13,19 +13,23 @@ jobs:
   macOS:
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+      - uses: actions/checkout@v2
+      - name: Check formatting
+        run: ./scripts/checkfmt.sh
+      - name: Build
+        run: cargo build --verbose
+      - name: Run tests
+        run: cargo test --verbose
 
   linux:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Prepare
-      run: "sudo apt -y install avahi-daemon libavahi-client-dev && sudo systemctl start avahi-daemon.service"
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+      - uses: actions/checkout@v2
+      - name: Prepare
+        run: "sudo apt -y install avahi-daemon libavahi-client-dev && sudo systemctl start avahi-daemon.service"
+      - name: Check formatting
+        run: ./scripts/checkfmt.sh
+      - name: Build
+        run: cargo build --verbose
+      - name: Run tests
+        run: cargo test --verbose

scripts/checkfmt.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+find examples/browser/src examples/service/src zeroconf/src zeroconf-macros/src -type f -name *.rs -print0 | xargs -0 -n1 rustfmt --check --verbose