$ brew install homebrew/dupes/gdb Cloning into '/usr/local/Library/Taps/homebrew/homebrew-dupes'... remote: Counting objects: 1510, done. remote: Compressing objects: 100% (11/11), done. remote: Total 1510 (delta 5), reused 1 (delta 1) Receiving objects: 100% (1510/1510), 301.52 KiB | 199.00 KiB/s, done. Resolving deltas: 100% (830/830), done. Checking connectivity... done. Tapped 36 formulae ==>