[PATCH] D119481: run-clang-tidy: Fix infinite loop on windows

[Fabian Keßler via Phabricator via cfe-commits]

Febbe updated this revision to Diff 411606.
Febbe added a comment.

Applied the feedback


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D119481/new/

https://reviews.llvm.org/D119481

Files:
  clang-tools-extra/clang-tidy/tool/run-clang-tidy.py


Index: clang-tools-extra/clang-tidy/tool/run-clang-tidy.py
===================================================================
--- clang-tools-extra/clang-tidy/tool/run-clang-tidy.py
+++ clang-tools-extra/clang-tidy/tool/run-clang-tidy.py
@@ -64,13 +64,14 @@
 
 def find_compilation_database(path):
   """Adjusts the directory until a compilation database is found."""
-  result = './'
+  result = os.path.realpath('./')
   while not os.path.isfile(os.path.join(result, path)):
-    if os.path.realpath(result) == '/':
+    parent = os.path.dirname(result)
+    if result == parent:
       print('Error: could not find compilation database.')
       sys.exit(1)
-    result += '../'
-  return os.path.realpath(result)
+    result = parent
+  return result
 
 
 def make_absolute(f, directory):


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