Mac mini（Catalina）に Homebrew をインストール

そもそも、Jubatusの本体をインストールしてないじゃん、ということで、まずは Homebrew をインストール。

管理者権限のあるユーザーで Homebrew のインストールを実行。成功した様子。

$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
==> This script will install:
/usr/local/bin/brew
/usr/local/share/doc/homebrew
/usr/local/share/man/man1/brew.1
/usr/local/share/zsh/site-functions/_brew
/usr/local/etc/bash_completion.d/brew
/usr/local/Homebrew
==> The following existing directories will be made group writable:
/usr/local/bin
/usr/local/include
/usr/local/lib
/usr/local/lib/pkgconfig
==> The following existing directories will have their owner set to tetsu_r:
/usr/local/bin
/usr/local/include
/usr/local/lib
/usr/local/lib/pkgconfig
==> The following existing directories will have their group set to admin:
/usr/local/bin
/usr/local/include
/usr/local/lib
/usr/local/lib/pkgconfig
==> The following new directories will be created:
/usr/local/etc
/usr/local/sbin
/usr/local/share
/usr/local/var
/usr/local/opt
/usr/local/share/zsh
/usr/local/share/zsh/site-functions
/usr/local/var/homebrew
/usr/local/var/homebrew/linked
/usr/local/Cellar
/usr/local/Caskroom
/usr/local/Homebrew
/usr/local/Frameworks
==> The Xcode Command Line Tools will be installed.

Press RETURN to continue or any other key to abort
==> /usr/bin/sudo /bin/chmod u+rwx /usr/local/bin /usr/local/include /usr/local/lib /usr/local/lib/pkgconfig
Password:
==> /usr/bin/sudo /bin/chmod g+rwx /usr/local/bin /usr/local/include /usr/local/lib /usr/local/lib/pkgconfig
==> /usr/bin/sudo /usr/sbin/chown tetsu_r /usr/local/bin /usr/local/include /usr/local/lib /usr/local/lib/pkgconfig
==> /usr/bin/sudo /usr/bin/chgrp admin /usr/local/bin /usr/local/include /usr/local/lib /usr/local/lib/pkgconfig
==> /usr/bin/sudo /bin/mkdir -p /usr/local/etc /usr/local/sbin /usr/local/share /usr/local/var /usr/local/opt /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var/homebrew /usr/local/var/homebrew/linked /usr/local/Cellar /usr/local/Caskroom /usr/local/Homebrew /usr/local/Frameworks
==> /usr/bin/sudo /bin/chmod g+rwx /usr/local/etc /usr/local/sbin /usr/local/share /usr/local/var /usr/local/opt /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var/homebrew /usr/local/var/homebrew/linked /usr/local/Cellar /usr/local/Caskroom /usr/local/Homebrew /usr/local/Frameworks
==> /usr/bin/sudo /bin/chmod 755 /usr/local/share/zsh /usr/local/share/zsh/site-functions
==> /usr/bin/sudo /usr/sbin/chown tetsu_r /usr/local/etc /usr/local/sbin /usr/local/share /usr/local/var /usr/local/opt /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var/homebrew /usr/local/var/homebrew/linked /usr/local/Cellar /usr/local/Caskroom /usr/local/Homebrew /usr/local/Frameworks
==> /usr/bin/sudo /usr/bin/chgrp admin /usr/local/etc /usr/local/sbin /usr/local/share /usr/local/var /usr/local/opt /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var/homebrew /usr/local/var/homebrew/linked /usr/local/Cellar /usr/local/Caskroom /usr/local/Homebrew /usr/local/Frameworks
==> /usr/bin/sudo /bin/mkdir -p /Users/tetsu_r/Library/Caches/Homebrew
==> /usr/bin/sudo /bin/chmod g+rwx /Users/tetsu_r/Library/Caches/Homebrew
==> /usr/bin/sudo /usr/sbin/chown tetsu_r /Users/tetsu_r/Library/Caches/Homebrew
==> Searching online for the Command Line Tools
==> /usr/bin/sudo /usr/bin/touch /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress
==> Installing Command Line Tools for Xcode-11.3
==> /usr/bin/sudo /usr/sbin/softwareupdate -i Command\ Line\ Tools\ for\ Xcode-11.3
Software Update Tool


Downloading Command Line Tools for Xcode
Downloaded Command Line Tools for Xcode
Installing Command Line Tools for Xcode
Done with Command Line Tools for Xcode
Done.
==> /usr/bin/sudo /bin/rm -f /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress
==> /usr/bin/sudo /usr/bin/xcode-select --switch /Library/Developer/CommandLineTools
==> Downloading and installing Homebrew...
remote: Enumerating objects: 1, done.
remote: Counting objects: 100% (1/1), done.
remote: Total 130683 (delta 0), reused 0 (delta 0), pack-reused 130682
Receiving objects: 100% (130683/130683), 31.22 MiB | 1.80 MiB/s, done.
Resolving deltas: 100% (95906/95906), done.
From https://github.com/Homebrew/brew
* [new branch] master -> origin/master
* [new tag] 0.1 -> 0.1
　　＊中略＊
* [new tag] 2.2.3 -> 2.2.3
HEAD is now at dfe028a73 Merge pull request #6943 from Homebrew/dependabot/bundler/Library/Homebrew/unicode-display_width-1.6.1
==> Homebrew is run entirely by unpaid volunteers. Please consider donating:
https://github.com/Homebrew/brew#donations
==> Tapping homebrew/core
Cloning into '/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core'...
remote: Enumerating objects: 5102, done.
remote: Counting objects: 100% (5102/5102), done.
remote: Compressing objects: 100% (4898/4898), done.
remote: Total 5102 (delta 49), reused 319 (delta 9), pack-reused 0
Receiving objects: 100% (5102/5102), 4.14 MiB | 3.48 MiB/s, done.
Resolving deltas: 100% (49/49), done.
Tapped 2 commands and 4886 formulae (5,144 files, 12.8MB).
Already up-to-date.
==> Installation successful!

==> Homebrew has enabled anonymous aggregate formulae and cask analytics.
Read the analytics documentation (and how to opt-out) here:
https://docs.brew.sh/Analytics

==> Homebrew is run entirely by unpaid volunteers. Please consider donating:
https://github.com/Homebrew/brew#donations
==> Next steps:
- Run `brew help` to get started
- Further documentation:
https://docs.brew.sh
$


　＊　brew doctor と brew update もやっておく　＊

$ brew doctor
Your system is ready to brew.
$ brew update
Updated 1 tap (homebrew/core).
==> New Formulae
mmctl wasmer
$ brew update
Already up-to-date.
$