zsh functions

.zshrc

# ctrl + Rで、pecoでhistoryを参照
function peco-select-history() {
    # historyを番号なし、逆順、最初から表示。
    # 順番を保持して重複を削除。
    # カーソルの左側の文字列をクエリにしてpecoを起動
    # \nを改行に変換
    BUFFER="$(history -nr 1 | awk '!a[$0]++' | peco --query "$LBUFFER" | sed 's/\\n/\n/')"
    CURSOR=$#BUFFER             # カーソルを文末に移動
    zle -R -c                   # refresh
}
zle -N peco-select-history
bindkey '^R' peco-select-history

# option + sで、pecoでSSH
function peco-ssh () {
  local selected_host=$(awk '
  tolower($1)=="host" {
    for (i=2; i<=NF; i++) {
      if ($i !~ "[*?]") {
        print $i
      }
    }
  }
  ' ~/.ssh/config | sort | peco --query "$LBUFFER")
  if [ -n "$selected_host" ]; then
    BUFFER="ssh ${selected_host}"
    zle accept-line
  fi
  zle clear-screen
}
zle -N peco-ssh
# Linux
# bindkey '^[s' peco-ssh
# Mac
bindkey 'ß' peco-ssh

# option + Gで、pecoでリポジトリ選択
function peco-ghq-cd () {
  local selected_dir=$(ghq list -p | peco --query "$LBUFFER")
  if [ -n "$selected_dir" ]; then
    BUFFER="cd ${selected_dir}"
    zle accept-line
  fi
  zle clear-screen
}
zle -N peco-ghq-cd
# Linux
# bindkey '^[g' peco-ghq-cd
# Mac
bindkey '©' peco-ghq-cd

# pecoでgit switch
function peco-git-switch () {
  local selected_branch=$(git branch | grep -v "*" | peco --query "$LBUFFER" | tr -d ' ')
  if [ -n "$selected_branch" ]; then
    git switch $selected_branch
  fi
}
alias select-branch="peco-git-switch"

# pecoでマージ済のブランチを削除
function peco-git-delete-branch () {
  local selected_branch=$(git branch --merged | grep -v "*" | peco --query "$LBUFFER" | tr -d ' ')
  if [ -n "$selected_branch" ]; then
    git branch -d $selected_branch
  fi
}
alias delete-branch="peco-git-delete-branch"

# pecoでkill
function peco-kill () {
  local selected_row=$(ps aux | peco --query "$LBUFFER")
  if [ -n "$selected_row" ]; then
    local pid=$(echo $selected_row | awk '{print $2}')
    echo "kill pid: ${pid}. [${selected_row}]"
    kill $pid
  fi
}