[infer][java] disable the cache of specs files used to speed up the analysis of Buck Java projects

Reviewed By: sblackshear

Differential Revision: D5970627

fbshipit-source-id: 2f616d6

infer/lib/python/inferlib/bucklib.py

@@ -32,6 +32,8 @@ DEFAULT_BUCK_OUT_GEN = os.path.join(DEFAULT_BUCK_OUT, 'gen')
 INFER_JSON_REPORT = os.path.join(config.BUCK_INFER_OUT,
                                  config.JSON_REPORT_FILENAME)
 
+USE_INFER_CACHE = False
+
 INFER_SCRIPT = """\
 #!/usr/bin/env {python_executable}
 import subprocess
@@ -55,12 +57,14 @@ def prepare_build(args):
             args.java_jar_compiler,
         ]
 
+    temp_files = []
+    if USE_INFER_CACHE:
         # Create a temporary directory as a cache for jar files.
         infer_cache_dir = os.path.join(args.infer_out, 'cache')
         if not os.path.isdir(infer_cache_dir):
             os.mkdir(infer_cache_dir)
         infer_options += ['--infer-cache', infer_cache_dir]
-    temp_files = [infer_cache_dir]
+        temp_files += [infer_cache_dir]
 
     try:
         infer_command = [utils.get_cmd_in_bin_dir('infer')] + infer_options