CI Cleanup (#1042)

* Improve homebrew

* remove msys cache

has ballooned out of control, now hurting build times

* re-add msys cache and clean unused pkgs

should prevent ballooning

* move cc

.appveyor.yml

@@ -41,7 +41,7 @@ install:
     - ps: if (Test-Path Env:\CYG_ROOT) { Start-FileDownload "https://cygwin.com/$env:CYG_SETUP" -FileName "$env:CYG_SETUP" }
     - if defined CYG_ROOT (%CYG_SETUP% --quiet-mode --no-shortcuts --only-site --root "%CYG_ROOT%" --site "%CYG_MIRROR%" --local-package-dir "%CYG_CACHE%" --packages "%CYG_PACKAGES%" --upgrade-also)
     - if defined MSYSTEM (%BASH% -lc "pacman -Suuy --noconfirm ${MSYS_PACKAGES}")
-    - if defined MSYSTEM (%BASH% -lc "pacman -Suuy --noconfirm ${MSYS_PACKAGES}")
+    - if defined MSYSTEM (%BASH% -lc "pacman -Suuy --noconfirm ${MSYS_PACKAGES} && pacman -Sc --noconfirm")
 build_script:
     - if defined BASH (%BASH% -lc "cd $(cygpath ${APPVEYOR_BUILD_FOLDER}) && make")
     - if "%MSYSTEM%" == "MINGW64" (%BASH% -lc "cd $(cygpath ${APPVEYOR_BUILD_FOLDER}) && make -C bindings/go")

.travis.yml

@@ -1,7 +1,6 @@
 language: c
 sudo: false
 before_install:
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew bundle; fi
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ./install-cmocka-linux.sh; fi
 script:
   - make && make -C bindings/go && make -C bindings/go test && make test
@@ -25,6 +24,5 @@ matrix:
     - os: osx
       script: brew install --HEAD unicorn && brew test unicorn
 addons:
-  apt:
-    packages:
-    # mingw-w64 packages too old in precise
+  homebrew:
+    brewfile: true