HomebrewでRicty Diminishedをインストールする方法

- 環境 : macOS Catalina バージョン10.15.6

# (しなくてもいいけど)事前準備をする
```bash
# アップデートしておく
% brew update
Already up-to-date.

% brew -v                  
Homebrew 2.5.2
Homebrew/homebrew-core (git revision 2aea6b; last commit 2020-09-22)
Homebrew/homebrew-cask (git revision 7b828; last commit 2020-09-22)

# Homebrewが元気かお医者さんに聞いておく
% brew doctor
Your system is ready to brew.

# インストールしちゃってないか確認する
% brew list | grep -i ricty
%
% brew list --cask | grep -i ricty
%
```

# インストールするものを確認しておく
```bash
# 探す
% brew search Ricty
==> Casks
homebrew/cask-fonts/font-ricty-diminished

# homebrew/cask-fontsは残念ながらtapしていません。
% brew tap | grep -i cask
homebrew/cask
```

## `homebrew/cask-fonts`を`tap`する
```bash
% brew tap homebrew/cask-fonts
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 1 tap (homebrew/core).
==> Updated Formulae
Updated 5 formulae.

==> Tapping homebrew/cask-fonts
Cloning into '/usr/local/Homebrew/Library/Taps/homebrew/homebrew-cask-fonts'...
remote: Enumerating objects: 90, done.
remote: Counting objects: 100% (90/90), done.
remote: Compressing objects: 100% (80/80), done.
remote: Total 45135 (delta 53), reused 17 (delta 10), pack-reused 45045
Receiving objects: 100% (45135/45135), 7.77 MiB | 3.55 MiB/s, done.
Resolving deltas: 100% (32993/32993), done.
Tapped 1562 casks (1,610 files, 10.1MB).

# 確認しておく
% brew tap | grep -i cask
homebrew/cask
homebrew/cask-fonts
```

## (しなくてもいいけど)Ricty Diminishedの情報を確認しておく
```bash
% brew cask info font-ricty-diminished
font-ricty-diminished: 4.1.1
https://rictyfonts.github.io/diminished
Not installed
From: https://github.com/Homebrew/homebrew-cask-fonts/blob/HEAD/Casks/font-ricty-diminished.rb
==> Name
Ricty Diminished
==> Description
None
==> Artifacts
RictyDiminishedDiscord-Regular.ttf (Font)
RictyDiminished-BoldOblique.ttf (Font)
RictyDiminished-Oblique.ttf (Font)
RictyDiminished-Regular.ttf (Font)
RictyDiminishedDiscord-Bold.ttf (Font)
RictyDiminishedDiscord-BoldOblique.ttf (Font)
RictyDiminishedDiscord-Oblique.ttf (Font)
RictyDiminished-Bold.ttf (Font)
```

# Ricty Diminishedをインストールする

```bash
% brew cask install font-ricty-diminished
==> Downloading https://rictyfonts.github.io/files/ricty_diminished-4.1.1.tar.gz
######################################################################## 100.0%
==> Verifying SHA-256 checksum for Cask 'font-ricty-diminished'.
==> Installing Cask font-ricty-diminished
==> Moving Font 'RictyDiminishedDiscord-Regular.ttf' to '/Users/mananakai/Library/Fonts/RictyDiminishedDiscord-Regular.ttf'.
==> Moving Font 'RictyDiminished-BoldOblique.ttf' to '/Users/mananakai/Library/Fonts/RictyDiminished-BoldOblique.ttf'.
==> Moving Font 'RictyDiminished-Oblique.ttf' to '/Users/mananakai/Library/Fonts/RictyDiminished-Oblique.ttf'.
==> Moving Font 'RictyDiminished-Regular.ttf' to '/Users/mananakai/Library/Fonts/RictyDiminished-Regular.ttf'.
==> Moving Font 'RictyDiminishedDiscord-Bold.ttf' to '/Users/mananakai/Library/Fonts/RictyDiminishedDiscord-Bold.ttf'.
==> Moving Font 'RictyDiminishedDiscord-BoldOblique.ttf' to '/Users/mananakai/Library/Fonts/RictyDiminishedDiscord-BoldOblique.ttf'.
==> Moving Font 'RictyDiminishedDiscord-Oblique.ttf' to '/Users/mananakai/Library/Fonts/RictyDiminishedDiscord-Oblique.ttf'.
==> Moving Font 'RictyDiminished-Bold.ttf' to '/Users/mananakai/Library/Fonts/RictyDiminished-Bold.ttf'.
🍺  font-ricty-diminished was successfully installed!
```

# 色んなとこに設定する
[Ricty Diminishedフォントをいろいろなところに設定する方法 - Qiita](https://qiita.com/ponsuke0531/items/db06599f92b234fbd062)