[infer][genrule] add an option to make the genrule integration compatible with the Buck cache

Summary: When passing `--genrule-mode` option, Infer will remove the logs and the other kind of data that are not compatible with the Buck distributed cache.

Reviewed By: mbouaziz

Differential Revision: D7943346

fbshipit-source-id: 4e7ca4d

Author: jeremydubreil

DEFS

@@ -40,6 +40,7 @@ def create_infer_genrule(
     srcs=srcs,
     cmd = ' '.join([
         os.getenv('INFER_BIN', 'infer'),
+        '--genrule-mode',
         '--project-root', os.getenv('PROJECT_ROOT', os.environ['PWD']),
         '--eradicate-only',
         '--results-dir', '$OUT',

infer/src/base/Config.ml

@@ -1346,6 +1346,11 @@ and generated_classes =
     "Specify where to load the generated class files"
 
 
+and genrule_mode =
+  CLOpt.mk_bool ~default:false ~long:"genrule-mode"
+    "Enable the genrule compatibility mode used for the Buck integration"
+
+
 and headers =
   CLOpt.mk_bool ~deprecated:["headers"; "hd"] ~deprecated_no:["no_headers"; "nhd"] ~long:"headers"
     ~in_help:InferCommand.[(Capture, manual_clang)]
@@ -2428,7 +2433,7 @@ and buck = !buck
 
 and buck_build_args = !buck_build_args
 
-and buck_cache_mode = !buck && not !debug
+and buck_cache_mode = (!buck || !genrule_mode) && not !debug
 
 and buck_compilation_database =
   match !buck_compilation_database with