make format run in parallel (#1080)

scripts/format.sh

@@ -5,25 +5,27 @@ if [ -z "$CLANG_FORMAT" ]; then
 CLANG_FORMAT=clang-format
 fi
 
-$CLANG_FORMAT -i extras/*.cpp
-$CLANG_FORMAT -i samples/*/*.{h,cpp}
-$CLANG_FORMAT -i test/*.{h,cpp}
-$CLANG_FORMAT -i bindings/*/*.cpp
-$CLANG_FORMAT -i bindings/c/include/manifold/*.h
-$CLANG_FORMAT -i bindings/wasm/*.{js,ts}
-$CLANG_FORMAT -i bindings/wasm/examples/*.{js,ts,html}
-$CLANG_FORMAT -i bindings/wasm/examples/public/*.{js,ts}
-$CLANG_FORMAT -i src/*.{h,cpp}
-$CLANG_FORMAT -i src/*/*.cpp
-$CLANG_FORMAT -i include/manifold/*.h
+$CLANG_FORMAT -i extras/*.cpp &
+$CLANG_FORMAT -i samples/*/*.{h,cpp} &
+$CLANG_FORMAT -i test/*.{h,cpp} &
+$CLANG_FORMAT -i bindings/*/*.cpp &
+$CLANG_FORMAT -i bindings/c/include/manifold/*.h &
+$CLANG_FORMAT -i bindings/wasm/*.{js,ts} &
+$CLANG_FORMAT -i bindings/wasm/examples/*.{js,ts,html} &
+$CLANG_FORMAT -i bindings/wasm/examples/public/*.{js,ts} &
+$CLANG_FORMAT -i src/*.{h,cpp} &
+$CLANG_FORMAT -i src/*/*.cpp &
+$CLANG_FORMAT -i include/manifold/*.h &
 
-black bindings/python/examples/*.py
+black --quiet bindings/python/examples/*.py &
 
 for pattern in 'CMakeLists.txt' '*.cmake*'; do
   for f in $(find -name ${pattern}); do
     # skip build directories
     if [[ $f != *build* && $f != *node_modules* ]]; then
-      gersemi -i $f
+      gersemi --no-warn-about-unknown-commands -i $f &
     fi
   done
 done
+
+wait