Use GITHUB_ACCESS_TOKEN environmental variable hiddenly

comment_roslint_result.py

@@ -93,7 +93,11 @@ def send_comment(self, owner, repo, pr_num, body, commit_id, path, position):
         p.error("file %s not exists" % o.input_path)
         sys.exit(1)
 
-    c = CommentLintResult(cache_dir=o.cache_dir, github_token=o.token)
+    try:
+        token = os.environ['GITHUB_ACCESS_TOKEN']
+    except KeyError:
+        print('Please set GITHUB_ACCESS_TOKEN environmental variable')
+    c = CommentLintResult(cache_dir=o.cache_dir, github_token=token)
     if c.run(input_path=o.input_path):
         sys.exit(0)
     else:

travis.sh

@@ -204,11 +204,8 @@ if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
   $CI_SOURCE_PATH/.travis/get_roslint_result_xml.py $TARGET_PKGS --repo-dir $CI_SOURCE_PATH --repo-slug $TRAVIS_REPO_SLUG --pr-number $TRAVIS_PULL_REQUEST --out-file $ROSLINT_RESULT_PATH || true
   if [ -e $ROSLINT_RESULT_PATH ]; then
     cat $ROSLINT_RESULT_PATH  # TODO(wkentaro): DEBUGGING
-    if source $HOME/.token; then  # get GH_TOKEN that is GitHub API Token
-      (cd $CI_SOURCE_PATH && .travis/comment_roslint_result.py -i $ROSLINT_RESULT_PATH -t $GH_TOKEN || true)
-    else
-      echo "GitHub Token not found. skipping"
-    fi
+    # this script requires GITHUB_ACCESS_TOKEN environmental variable
+    (cd $CI_SOURCE_PATH && .travis/comment_roslint_result.py -i $ROSLINT_RESULT_PATH || true)
   else
     echo "$ROSLINT_RESULT_PATH not found. skipping"
   fi