Xubuntuにzshをインストールする

構築したVirutalBox上のXubuntuにzshをインストールします。

zshをインストール

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sudo apt install zsh

現在のシェルは以下のコマンドで確認できます。

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echo $SHELL

続いてシェルをzshに切り替えます。

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chsh -s $(which zsh)

zshに切り替えます。

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zsh

初回起動時は設定メニューが表示されます。
Populate your ~/.zshrcから始まる選択肢である2を選びます。初期設定をやってくれます。

以下のコマンドを~/.zshrcの最下行に追加しておきます。

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ibus-daemon -rdx

OSを再起動します。

zshの設定

あとはお好みで。私はzinitやfzfをインストールします。
https://github.com/zdharma/zinit
https://github.com/junegunn/fzf

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# Set up the prompt

# autoload -Uz promptinit
# promptinit
# prompt adam1

setopt histignorealldups sharehistory

# Use emacs keybindings even if our EDITOR is set to vi
bindkey -e

# Keep 1000 lines of history within the shell and save it to ~/.zsh_history:
HISTSIZE=1000
SAVEHIST=1000
HISTFILE=~/.zsh_history

# Use modern completion system
autoload -Uz compinit
compinit

zstyle ':completion:*' auto-description 'specify: %d'
zstyle ':completion:*' completer _expand _complete _correct _approximate
zstyle ':completion:*' format 'Completing %d'
zstyle ':completion:*' group-name ''
zstyle ':completion:*' menu select=2
eval "$(dircolors -b)"
zstyle ':completion:*:default' list-colors ${(s.:.)LS_COLORS}
zstyle ':completion:*' list-colors ''
zstyle ':completion:*' list-prompt %SAt %p: Hit TAB for more, or the character to insert%s
zstyle ':completion:*' matcher-list '' 'm:{a-z}={A-Z}' 'm:{a-zA-Z}={A-Za-z}' 'r:|[._-]=* r:|=* l:|=*'
zstyle ':completion:*' menu select=long
zstyle ':completion:*' select-prompt %SScrolling active: current selection at %p%s
zstyle ':completion:*' use-compctl false
zstyle ':completion:*' verbose true

zstyle ':completion:*:*:kill:*:processes' list-colors '=(#b) #([0-9]#)*=0=01;31'
zstyle ':completion:*:kill:*' command 'ps -u $USER -o pid,%cpu,tty,cputime,cmd'

### Added by Zinit's installer
if [[ ! -f $HOME/.zinit/bin/zinit.zsh ]]; then
    print -P "%F{33}▓▒░ %F{220}Installing %F{33}DHARMA%F{220} Initiative Plugin Manager (%F{33}zdharma/zinit%F{220})…%f"
    command mkdir -p "$HOME/.zinit" && command chmod g-rwX "$HOME/.zinit"
    command git clone https://github.com/zdharma/zinit "$HOME/.zinit/bin" && \
        print -P "%F{33}▓▒░ %F{34}Installation successful.%f%b" || \
        print -P "%F{160}▓▒░ The clone has failed.%f%b"
fi

source "$HOME/.zinit/bin/zinit.zsh"
autoload -Uz _zinit
(( ${+_comps} )) && _comps[zinit]=_zinit

# Load a few important annexes, without Turbo
# (this is currently required for annexes)
zinit light-mode for \
    zinit-zsh/z-a-rust \
    zinit-zsh/z-a-as-monitor \
    zinit-zsh/z-a-patch-dl \
    zinit-zsh/z-a-bin-gem-node

### End of Zinit's installer chunk

ibus-daemon -rdx

zinit snippet PZT::modules/helper/init.zsh

setopt promptsubst

zinit ice pick"async.zsh" src"pure.zsh"
zinit light sindresorhus/pure
zinit light zsh-users/zsh-autosuggestions
zinit light zdharma/fast-syntax-highlighting
zinit light zdharma/history-search-multi-word

zinit light mollifier/anyframe

zplugin light jonmosco/kube-ps1
PROMPT='$(kube_ps1)'$PROMPT

[ -f ~/.fzf.zsh ] && source ~/.fzf.zsh