Run the docs in CI again

.travis.yml

@@ -48,13 +48,22 @@ matrix:
 
     # Debug Builds
     - os: linux
-      compiler: "format-taginfo"
+      compiler: "format-taginfo-docs"
+      env: NODE=6
       sudo: false
       before_install:
       install:
+        - source $NVM_DIR/nvm.sh
+        - nvm install $NODE
+        - nvm use $NODE
+        - npm --version
+        - npm install --ignore-scripts
+        - npm link --ignore-scripts
       script:
-        - ${MASON} install clang-format 3.8.1 && PATH=$(${MASON} prefix clang-format 3.8.1)/bin:${PATH} ./scripts/format.sh
+        - ${MASON} install clang-format 3.8.1
+        - PATH=$(${MASON} prefix clang-format 3.8.1)/bin:${PATH} ./scripts/format.sh && ./scripts/error_on_dirty.sh
         - ./scripts/check_taginfo.py taginfo.json profiles/car.lua
+        - npm run docs && ./scripts/error_on_dirty.sh
       after_success:
 
     - os: linux
@@ -332,8 +341,6 @@ install:
   - cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE}
   - make --jobs=${JOBS}
   - popd
-  # building docs only works with npm3+ not with yarn or npm2
-  #- yarn run docs
 
 script:
   - if [[ $TARGET_ARCH == armhf ]] ; then echo "Skip tests for $TARGET_ARCH" && exit 0 ; fi

scripts/error_on_dirty.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+MSG="The following files have been modified:"
+dirty=$(git ls-files --modified)
+
+if [[ $dirty ]]; then
+    echo $MSG
+    echo $dirty
+    exit 1
+else
+    exit 0
+fi

scripts/format.sh

@@ -36,14 +36,3 @@ fi
 
 find src include unit_tests example -type f -name '*.hpp' -o -name '*.cpp' \
   | xargs -I{} -P ${NPROC} ${CLANG_FORMAT} -i -style=file {}
-
-
-dirty=$(git ls-files --modified)
-
-if [[ $dirty ]]; then
-    echo "The following files do not adhere to the .clang-format style file:"
-    echo $dirty
-    exit 1
-else
-    exit 0
-fi