ci: make verify format workflow output more helpful

.ci/scripts/format/script.sh

@@ -3,38 +3,33 @@
 # SPDX-FileCopyrightText: 2019 yuzu Emulator Project
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-if grep -nrI '\s$' src *.yml *.txt *.md Doxyfile .gitignore .gitmodules .ci* dist/*.desktop \
+shopt -s nullglob globstar
+
+if grep -nrI '\s$' src **/*.yml **/*.txt **/*.md Doxyfile .gitignore .gitmodules .ci* dist/*.desktop \
                  dist/*.svg dist/*.xml; then
     echo Trailing whitespace found, aborting
     exit 1
 fi
 
 # Default clang-format points to default 3.5 version one
-CLANG_FORMAT=${CLANG_FORMAT:-clang-format-15}
-$CLANG_FORMAT --version
-
-if [ "$TRAVIS_EVENT_TYPE" = "pull_request" ]; then
-    # Get list of every file modified in this pull request
-    files_to_lint="$(git diff --name-only --diff-filter=ACMRTUXB $TRAVIS_COMMIT_RANGE | grep '^src/[^.]*[.]\(cpp\|h\)$' || true)"
-else
-    # Check everything for branch pushes
-    files_to_lint="$(find src/ -name '*.cpp' -or -name '*.h')"
-fi
+CLANG_FORMAT="${CLANG_FORMAT:-clang-format-15}"
+"$CLANG_FORMAT" --version
 
 # Turn off tracing for this because it's too verbose
 set +x
 
-for f in $files_to_lint; do
-    d=$(diff -u "$f" <($CLANG_FORMAT "$f") || true)
-    if ! [ -z "$d" ]; then
-        echo "!!! $f not compliant to coding style, here is the fix:"
-        echo "$d"
-        fail=1
-    fi
+# Check everything for branch pushes
+FILES_TO_LINT="$(find src/ -name '*.cpp' -or -name '*.h')"
+
+for f in $FILES_TO_LINT; do
+    echo "$f"
+    "$CLANG_FORMAT" -i "$f"
 done
 
-set -x
+DIFF=$(git diff)
 
-if [ "$fail" = 1 ]; then
+if [ ! -z "$DIFF" ]; then
+    echo "!!! Not compliant to coding style, here is the fix:"
+    echo "$DIFF"
     exit 1
 fi