ERROR: Command /usr/local/bin/buildifier not found. If you have buildifier installed, but the binary name is different or it's not available in $GOPATH/bin, please use BUILDIFIER_BIN environment variable to specify the path. Example:
    export BUILDIFIER_BIN=`which buildifier`
If you don't have buildifier installed, you can install it by:
    go get -u github.com/bazelbuild/buildtools/buildifier
ERROR: Command /usr/local/bin/buildozer not found. If you have buildozer installed, but the binary name is different or it's not available in $GOPATH/bin, please use BUILDOZER_BIN environment variable to specify the path. Example:
    export BUILDOZER_BIN=`which buildozer`
If you don't have buildozer installed, you can install it by:
    go get -u github.com/bazelbuild/buildtools/buildozer

ln -s $HOME/go/bin/buildifier /usr/local/bin/buildifier 
ln -s $HOME/go/bin/buildozer /usr/local/bin/buildozer