Fix run-clang-tidy.sh to exit with 0 iff there are no errors

Change-Id: I238379a06cf833e7f05a6cd14867c8b5186ed18d

diff --git a/run-clang-tidy.sh b/run-clang-tidy.sh
index b1232a0fdd58f98cddb77b3716264a0e76279618..575c7930d72a3b9f67cffd71355d2d5bd3fbf8e0 100755 (executable)
--- a/run-clang-tidy.sh
+++ b/run-clang-tidy.sh
@@ -23,4 +23,4 @@ HEADER_FILES_REGEX="$(find srcs tests | grep '\.h$' | grep -v '/tinycbor/' | tr
 find srcs tests |
     grep -P '\.(h|c|cpp)$' |
     grep -v /tinycbor/ |
-    parallel --bar "${CLANG_TIDY} -header-filter='${HEADER_FILES_REGEX}' -p . \"{}\" |& grep -v '^Use -header-filter=\\.\\* to display errors\\|^[[:digit:]]* warnings generated\\.\\|^Suppressed [[:digit:]]* warnings'"
+    parallel --bar "${CLANG_TIDY} -header-filter='${HEADER_FILES_REGEX}' -p . \"{}\" |& (! grep -v '^Use -header-filter=\\.\\* to display errors\\|^[[:digit:]]* warnings generated\\.\\|^Suppressed [[:digit:]]* warnings')"