Titan:~ hunter$ brew install mpv
Error: No available formula for mpv
Searching formulae...
Searching taps...
Caskroom/cask/mpv
Titan:~ hunter$ brew install Caskroom/cask/mpv
==> brew cask install Caskroom/cask/mpv
==> Caveats
Cask mpv installs files under "/usr/local". The presence of such
files can cause warnings when running "brew doctor", which is considered
to be a bug in homebrew-cask.
==> Downloading https://github.com/mpv-player/mpv/releases/download/v0.14.0/mpv_
Already downloaded: /Library/Caches/Homebrew/mpv-0.14.0.tar.bz2
==> Verifying checksum for Cask mpv
==> Symlinking App 'mpv.app' to '/Users/hunter/Applications/mpv.app'
==> Symlinking Binary 'mpv' to '/usr/local/bin/mpv'
==> ln: /usr/local/bin/mpv: Permission denied
Error: Command failed to execute!
==> Failed command:
["/bin/ln", "-hfs", "--", "#<Pathname:/opt/homebrew-cask/Caskroom/mpv/0.14.0/mpv.app/Contents/MacOS/mpv>", "#<Pathname:/usr/local/bin/mpv>"]
==> Output of failed command:
==> Exit status of failed command:
#<Process::Status: pid 67908 exit 1>
Warning: You are using OS X 10.11.
We do not provide support for this pre-release version.
You may encounter build failures or other breakage.
Error: No available formula for mpv
Searching formulae...
Searching taps...
Caskroom/cask/mpv
Titan:~ hunter$ brew install Caskroom/cask/mpv
==> brew cask install Caskroom/cask/mpv
==> Caveats
Cask mpv installs files under "/usr/local". The presence of such
files can cause warnings when running "brew doctor", which is considered
to be a bug in homebrew-cask.
==> Downloading https://github.com/mpv-player/mpv/releases/download/v0.14.0/mpv_
Already downloaded: /Library/Caches/Homebrew/mpv-0.14.0.tar.bz2
==> Verifying checksum for Cask mpv
==> Symlinking App 'mpv.app' to '/Users/hunter/Applications/mpv.app'
==> Symlinking Binary 'mpv' to '/usr/local/bin/mpv'
==> ln: /usr/local/bin/mpv: Permission denied
Error: Command failed to execute!
==> Failed command:
["/bin/ln", "-hfs", "--", "#<Pathname:/opt/homebrew-cask/Caskroom/mpv/0.14.0/mpv.app/Contents/MacOS/mpv>", "#<Pathname:/usr/local/bin/mpv>"]
==> Output of failed command:
==> Exit status of failed command:
#<Process::Status: pid 67908 exit 1>
Warning: You are using OS X 10.11.
We do not provide support for this pre-release version.
You may encounter build failures or other breakage.