Fix unknown key 'IndentPPDirectives' on CI (qmk#7933)

Author: zvecr

.travis.yml

@@ -12,6 +12,18 @@ env:
   - MAKEFLAGS="-j3 --output-sync"
 services:
   - docker
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+      - llvm-toolchain-trusty-7
+    packages:
+    - pandoc
+    - diffutils
+    - dos2unix
+    - doxygen
+    - clang-format-7
+    - libstdc++-7-dev
 install:
   - npm install -g moxygen
 script:
@@ -20,13 +32,6 @@ script:
   - bash util/travis_test.sh
   - bash util/travis_build.sh
   - bash util/travis_docs.sh
-addons:
-  apt:
-    packages:
-    - pandoc
-    - diffutils
-    - dos2unix
-    - doxygen
 after_script:
   bash util/travis_compiled_push.sh
 notifications:

util/travis_compiled_push.sh

@@ -13,7 +13,7 @@ if [[ "$TRAVIS_BRANCH" == "master" && "$TRAVIS_PULL_REQUEST" == "false" ]] ; the
 # fix formatting
 git checkout master
 git diff --diff-filter=AM --name-only -n 1 -z ${TRAVIS_COMMIT_RANGE} | xargs -0 dos2unix
-git diff --diff-filter=AM --name-only -n 1 -z ${TRAVIS_COMMIT_RANGE} '*.c' '*.h' '*.cpp' | grep -z -e '^drivers' -e '^quantum' -e '^tests' -e '^tmk_core' | grep -zv -e 'quantum/template' -e 'tmk_core/protocol/usb_hid' | xargs -0 clang-format -i
+git diff --diff-filter=AM --name-only -n 1 -z ${TRAVIS_COMMIT_RANGE} '*.c' '*.h' '*.cpp' | grep -z -e '^drivers' -e '^quantum' -e '^tests' -e '^tmk_core' | grep -zv -e 'quantum/template' -e 'tmk_core/protocol/usb_hid' | xargs -0 clang-format-7 -i
 git diff --diff-filter=AM --name-only -n 1 -z ${TRAVIS_COMMIT_RANGE} | xargs -0 git add
 git commit -m "format code according to conventions [skip ci]" && git push [email protected]:qmk/qmk_firmware.git master