[Analyzer Tests] Fix misc bugs in analyzer reference results updater.

llvm-svn: 314960

diff --git a/clang/utils/analyzer/SATestUpdateDiffs.py b/clang/utils/analyzer/SATestUpdateDiffs.py
index 9b5b7064ce00f534cdd892825cf6e57b7fb89882..a60c625245c4bb44a7d03c85b663b6d9b5d0d03d 100755 (executable)
--- a/clang/utils/analyzer/SATestUpdateDiffs.py
+++ b/clang/utils/analyzer/SATestUpdateDiffs.py
@@ -34,8 +34,11 @@ def updateReferenceResults(ProjName, ProjBuildMode):
                              "previously run?"
         sys.exit(-1)
 
-    # Remove reference results.
-    runCmd('git rm -r "%s"' % (RefResultsPath,))
+    # Remove reference results: in git, and then again for a good measure
+    # with rm, as git might not remove things fully if there are empty
+    # directories involved.
+    runCmd('git rm -r -q "%s"' % (RefResultsPath,))
+    runCmd('rm -rf "%s"' % (RefResultsPath,))
 
     # Replace reference results with a freshly computed once.
     runCmd('cp -r "%s" "%s"' % (CreatedResultsPath, RefResultsPath,))
@@ -52,12 +55,21 @@ def updateReferenceResults(ProjName, ProjBuildMode):
     SATestBuild.cleanupReferenceResults(RefResultsPath)
 
     # Remove the created .diffs file before adding.
-    runCmd('rm -f "%s/*/%s"' % (
-        RefResultsPath, SATestBuild.DiffsSummaryFileName))
+    removeDiffsSummaryFiles(RefResultsPath)
 
     runCmd('git add "%s"' % (RefResultsPath,))
 
 
+def removeDiffsSummaryFiles(RefResultsPath):
+    """
+    Remove all auto-generated .diffs files in reference data.
+    """
+    for (Dirpath, Dirnames, Filenames) in os.walk(RefResultsPath):
+        if SATestBuild.DiffsSummaryFileName in Filenames:
+            runCmd("rm '%s'" % os.path.join(
+                Dirpath, SATestBuild.DiffsSummaryFileName))
+
+
 def main(argv):
     if len(argv) == 2 and argv[1] in ('-h', '--help'):
         print >> sys.stderr, "Update static analyzer reference results based "\