commit 493db093be5212c345bf16599a1012cb17a07c93
author Alexander Kornienko <alexfh@google.com> Wed Apr 27 11:45:14 2016 +0000
committer Alexander Kornienko <alexfh@google.com> Wed Apr 27 11:45:14 2016 +0000
tree 948de37a5efc09dde1b780ff2aaf74dfe4fb4ec5
parent 8c2900f44dd2b0a9c1b293cbccd3c292b0239033

clang-tidy -list-checks should exit with non-zero code when no checks are enabled.

llvm-svn: 267697

clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp

diff --git a/clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp b/clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp
index 19e9165..f6bcf32 100644
--- a/clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp
+++ b/clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp
@@ -333,6 +333,10 @@
   }
 
   if (ListChecks) {
+    if (EnabledChecks.empty()) {
+      llvm::errs() << "No checks enabled.\n";
+      return 1;
+    }
     llvm::outs() << "Enabled checks:";
     for (auto CheckName : EnabledChecks)
       llvm::outs() << "\n    " << CheckName;