Travis: Cache downloaded Homebrew packages
This update should make failures less likely, since now
the download of the Travis cache,
the download of a Homebrew bottle, and
the download or build of a source package
have to fail, for a Homebrew related issue to cause a failed build job.
@@ -5,6 +5,7 @@ cache:
$HOME/.m2
$HOME/.cabal
$HOME/elektra-cabal-sandbox
+ $HOME/Library/Caches/Homebrew
# don't cache our own libraries generated in the build
# so they always get rebuilt properly and to avoid init issues
