CI: install GNU patch on MacOS (fixes #66)

Author: oSoMoN

.github/workflows/ci.yml

@@ -28,6 +28,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
+      - name: install GNU patch on MacOS
+        if: runner.os == 'macOS'
+        run: brew install gpatch
       - name: set up PATH on Windows
         # Needed to use GNU's patch.exe instead of Strawberry Perl patch
         if: runner.os == 'Windows'
@@ -107,6 +110,9 @@ jobs:
 
     - name: rust toolchain ~ install
       uses: dtolnay/rust-toolchain@nightly
+    - name: install GNU patch on MacOS
+      if: runner.os == 'macOS'
+      run: brew install gpatch
     - name: set up PATH on Windows
       # Needed to use GNU's patch.exe instead of Strawberry Perl patch
       if: runner.os == 'Windows'