Add clang-format checks in Danger

.clang-format

@@ -0,0 +1,91 @@
+Language:        Cpp
+AccessModifierOffset: -2
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlinesLeft: false
+AlignOperands:   true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: false
+BinPackArguments: false
+BinPackParameters: false
+BraceWrapping:   
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Attach
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
+ColumnLimit:     85
+CommentPragmas:  '^ IWYU pragma:'
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
+IncludeCategories: 
+  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
+    Priority:        2
+  - Regex:           '^(<|"(gtest|isl|json)/)'
+    Priority:        3
+  - Regex:           '.*'
+    Priority:        1
+IncludeIsMainRegex: '$'
+IndentCaseLabels: true
+IndentWidth:     2
+IndentWrappedFunctionNames: false
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: true
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: true
+ObjCSpaceBeforeProtocolList: false
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerAlignment: Middle
+ReflowComments:  true
+SortIncludes:    true
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles:  false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        Cpp03
+TabWidth:        8
+UseTab:          Never

.travis.yml

@@ -1,15 +1,43 @@
 language: cpp
 sudo: false
 dist: trusty
-compiler: clang
-os: linux
 ruby: 2.2.0
+cache: bundler
+addons:
+  apt:
+    packages:
+      - clang-format-3.9
+matrix:
+  include:
+    - os: linux
+      addons:
+        apt:
+          packages:
+            - g++
+      env:
+        - CXX_COMPILER='g++'
+        - RUN_DANGER=false
+    - os: linux
+      addons:
+        apt:
+          packages:
+            - clang
+            - clang-format-3.9
+      env:
+        - CXX_COMPILER='clang++'
+        - RUN_DANGER=true
 before_script:
 - cmake --version
-- bundle install
+- |
+  if [[ "${RUN_DANGER}" = true ]]; then
+    bundle install
+  fi
 script:
-- bundle exec danger
+- |
+  if [[ "${RUN_DANGER}" = true ]]; then
+    bundle exec danger
+  fi
 - cmake -H. -Bbuild
 - cd build
-- make
+- cmake --build .
 - ctest

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.0)
 
 project(hello_world CXX)
 
-add_executable(hello_world hello_world.cpp)
+add_executable(hello_world hello_world.cpp vector.cpp)
 
 enable_testing()
 

Dangerfile

@@ -18,8 +18,8 @@ if git.commits.any? { |c| c.message =~ /^Merge branch '#{github.branch_for_base}
   fail('Please rebase to get rid of the merge commits in this PR')
 end
 
+code_style_validation.check file_extensions: ['.hpp', '.cpp', '.h', '.cc'] 
+
 commit_lint.check
 
 lgtm.check_lgtm
-
-the_coding_love.random

Gemfile

@@ -5,3 +5,4 @@ gem "danger"
 gem "danger-commit_lint"
 gem "danger-lgtm"
 gem "danger-the_coding_love"
+gem 'danger-code_style_validation', '0.1.0', :git => 'https://github.com/flix-tech/danger-code_style_validation.git'

Gemfile.lock

@@ -1,3 +1,10 @@
+GIT
+  remote: https://github.com/flix-tech/danger-code_style_validation.git
+  revision: 05925775fa1ba9cd3eda09437c8c7efba31ef59e
+  specs:
+    danger-code_style_validation (0.1.0)
+      danger-plugin-api (~> 1.0)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -31,7 +38,7 @@ GEM
     danger-the_coding_love (0.0.4)
       danger-plugin-api (~> 1.0)
       nokogiri
-    faraday (0.12.2)
+    faraday (0.13.0)
       multipart-post (>= 1.2, < 3)
     faraday-http-cache (1.3.1)
       faraday (~> 0.8)
@@ -58,6 +65,7 @@ PLATFORMS
 
 DEPENDENCIES
   danger
+  danger-code_style_validation (= 0.1.0)!
   danger-commit_lint
   danger-lgtm
   danger-the_coding_love

default.nix

@@ -0,0 +1,6 @@
+# default.nix
+with import <nixpkgs> {};
+stdenv.mkDerivation {
+    name = "dev-environment"; # Probably put a more meaningful name here
+    buildInputs = [ bundler zlib ];
+}

hello_world.cpp

@@ -1,11 +1,16 @@
 #include <cstdlib>
 #include <iostream>
+#include <vector>
+
+std::vector<int> myVector();
 
 std::string message() {
-  return "Hello, Danger world!";
+         return "Hello, Danger world!";
 }
 
 int main() {
   std::cout << message() << std::endl;
-  return EXIT_SUCCESS;
+
+  std::vector< int  > v = myVector();
+        return EXIT_SUCCESS;
 }

vector.cpp

@@ -0,0 +1,13 @@
+#include <vector>
+
+std::vector<int> myVector() {
+int arr[] = {16, 2, 77, 29};
+// Create a vector containing integers
+std::vector<int> v (arr, arr + sizeof(arr) /sizeof(arr[0]) );
+
+// Add two more integers to vector
+v.push_back(25);
+v.push_back(13);
+
+return v;
+}