Update buildroot & docker (#25)

* Update docker & buildroot

* Fix

* fix versions

buildroot/utils/check-package

@@ -4,6 +4,7 @@
 from __future__ import print_function
 import argparse
 import inspect
+import os
 import re
 import sys
 
@@ -24,6 +25,9 @@ def parse_args():
     parser.add_argument("files", metavar="F", type=str, nargs="*",
                         help="list of files")
 
+    parser.add_argument("--br2-external", "-b", dest='intree_only', action="store_false",
+                        help="do not apply the pathname filters used for intree files")
+
     parser.add_argument("--manual-url", action="store",
                         default="http://nightly.buildroot.org/",
                         help="default: %(default)s")
@@ -40,13 +44,33 @@ def parse_args():
     return parser.parse_args()
 
 
-CONFIG_IN_FILENAME = re.compile("/Config\.\S*$")
-FILE_IS_FROM_A_PACKAGE = re.compile("package/[^/]*/")
+CONFIG_IN_FILENAME = re.compile("Config\.\S*$")
+DO_CHECK_INTREE = re.compile("|".join([
+    "Config.in",
+    "arch/",
+    "boot/",
+    "fs/",
+    "linux/",
+    "package/",
+    "system/",
+    "toolchain/",
+    ]))
+DO_NOT_CHECK_INTREE = re.compile("|".join([
+    "boot/barebox/barebox\.mk$",
+    "fs/common\.mk$",
+    "package/doc-asciidoc\.mk$",
+    "package/pkg-\S*\.mk$",
+    "toolchain/helpers\.mk$",
+    "toolchain/toolchain-external/pkg-toolchain-external\.mk$",
+    ]))
 
 
 def get_lib_from_filename(fname):
-    if FILE_IS_FROM_A_PACKAGE.search(fname) is None:
-        return None
+    if flags.intree_only:
+        if DO_CHECK_INTREE.match(fname) is None:
+            return None
+        if DO_NOT_CHECK_INTREE.match(fname):
+            return None
     if CONFIG_IN_FILENAME.search(fname):
         return checkpackagelib.lib_config
     if fname.endswith(".hash"):
@@ -117,7 +141,16 @@ def __main__():
     global flags
     flags = parse_args()
 
-    if len(flags.files) == 0:
+    if flags.intree_only:
+        # change all paths received to be relative to the base dir
+        base_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+        files_to_check = [os.path.relpath(os.path.abspath(f), base_dir) for f in flags.files]
+        # move current dir so the script find the files
+        os.chdir(base_dir)
+    else:
+        files_to_check = flags.files
+
+    if len(files_to_check) == 0:
         print("No files to check style")
         sys.exit(1)
 
@@ -125,7 +158,7 @@ def __main__():
     total_warnings = 0
     total_lines = 0
 
-    for fname in flags.files:
+    for fname in files_to_check:
         nwarnings, nlines = check_file_using_lib(fname)
         total_warnings += nwarnings
         total_lines += nlines