mbp:~ ry$ brew update
Already up-to-date.
mbp:~ ry$ brew tap rjones-lf/fabric
==> Tapping rjones-lf/fabric
Cloning into '/usr/local/Homebrew/Library/Taps/rjones-lf/homebrew-fabric'...
remote: Counting objects: 7, done.
remote: Compressing objects: 100% (6/6), done.
remote: Total 7 (delta 1), reused 6 (delta 1), pack-reused 0
Unpacking objects: 100% (7/7), done.
Tapped 1 formula (33 files, 40KB)
mbp:~ ry$ brew install fabric-tools
==> Installing fabric-tools from rjones-lf/fabric
==> Downloading https://nexus.hyperledger.org/content/repositories/releases/org/hyperledger/fabric/hyperledger-fabric/darwin-amd64-1.0.0-rc1/hyperledger-fa
######################################################################## 100.0%
🍺  /usr/local/Cellar/fabric-tools/1.0.0-rc1: 6 files, 59.4MB, built in 9 seconds
mbp:~ ry$ which peer
/usr/local/bin/peer
mbp:~ ry$ peer
panic: Fatal error when initializing core config : Error when reading core config file: Unsupported Config Type ""


goroutine 1 [running]:
panic(0x7929c0, 0xc420216d50)
	/opt/go/go1.7.linux.amd64/src/runtime/panic.go:500 +0x1a1
main.main()
	/w/workspace/fabric-binaries-x86_64/gopath/src/github.com/hyperledger/fabric/peer/main.go:94 +0x852
mbp:~ ry$