Improve pre-commit (#231)

* Run clang-format only on staged files

* Add format message

* Add better printing

Author: pengnam

.githooks/pre-commit

@@ -5,6 +5,9 @@ then
     exit
 fi
 
-for f in $(find Team20/Code20/ -name "*.h" -or -name "*.cpp"); do
-    clang-format --style=file -i "$f"
+echo "Running clang-format"
+git diff --diff-filter=d --staged --name-only | grep -e '\(.*\).cpp$' -e '\(.*\).h$' | while read line; do
+    echo "Formatting: $line"
+    clang-format --style=file -i "$line"
+    git add "$line"
 done

Team20/Code20/UnitTesting/TestPQLParser.cpp

@@ -483,6 +483,7 @@ TEST_METHOD(TestParse_WithClause) {
        Reference{PqlToken{TokenType::NUMBER, "34"}}}};
   Assert::IsTrue(actual == expected);
 }
+
 TEST_METHOD(TestParse_WithClauseRawRefsNotMatching_ThrowsException) {
   const std::vector<PqlToken> input = {
       {TokenType::IF},           {TokenType::SYNONYM, "i"},

Team20/Code20/source/PQL.h

@@ -76,6 +76,7 @@ struct PqlToken {
   PqlToken(TokenType specifiedTokenType, std::string specifiedValue = "")
       : type{specifiedTokenType}, value{specifiedValue} {}
 };
+
 enum class AttributeRefType {
   PROCNAME,
   VARNAME,