Press ctrl+r while in a zsh shell and it should load up peco with your shell's history.
Start typing to filter history down.
Press enter/return to pick a command from history.

Requirements

peco
psh
tac, or tail with support for -r option.
perl, awk, or uniq for if de-duplication is turned on.

Installation

Manual

Clone this repo to your machine. This guide uses ~/.zsh/zsh-peco-history:

git clone https://github.com/jimeh/zsh-peco-history.git ~/.zsh/zsh-peco-history

Add the following to your .zshrc:

source ~/.zsh/zsh-peco-history/zsh-peco-history.zsh

Start a new terminal session.

Zplug

Add a zplug definition for zsh-peco-history to your .zshrc:
```
zplug "jimeh/zsh-peco-history"
```
Start a new terminal session.

Antigen

Add a antigen bundle definition for zsh-peco-history to your .zshrc:
```
antigen bundle jimeh/zsh-peco-history
```
Start a new terminal session.

Oh My Zsh

Clone this repository into $ZSH_CUSTOM/plugins (by default ~/.oh-my-zsh/custom/plugins)

git clone https://github.com/jimeh/zsh-peco-history.git $ZSH_CUSTOM/plugins/zsh-peco-history

Add the plugin to the list of plugins for Oh My Zsh to load:
```
plugins=(zsh-peco-history)
```
Start a new terminal session.

Configuration Options

`ZSH_PECO_HISTORY_DEDUP`

De-duplicates all history entries before they are handed over to peco. Disabled by default.

To enable, set the ZSH_PECO_HISTORY_DEDUP environment variable to a non-zero value before zsh-peco-history is loaded.

This is useful if you often have a lot of duplicate entries when searching through your history. However in that case it often enough to configure ZSH to not save duplicate commands to history in the first place. This can be done by setting the following options:

setopt HIST_EXPIRE_DUPS_FIRST
setopt HIST_IGNORE_DUPS
setopt HIST_IGNORE_ALL_DUPS
setopt HIST_FIND_NO_DUPS
setopt HIST_SAVE_NO_DUPS

Oh My Zsh for example sets the above options, and more in it's history.zsh file.

Recommended Peco Config

You don't have to use this config, it's simply what I personally use. So here's what my ~/.peco/config.json file looks like:

{
  "Keymap": {
    "M-v": "peco.ScrollPageUp",
    "C-v": "peco.ScrollPageDown",
    "C-g": "peco.Cancel",
    "M-Space": "peco.ToggleRangeMode",
    "M-c": "peco.CancelRangeMode"
  },
  "Style": {
    "Basic": ["on_default", "default"],
    "Matched": ["cyan"],
    "Query": ["default"],
    "SavedSelection": ["on_blue", "white"],
    "Selected": ["on_magenta", "default"]
  }
}

License

CC0 1.0 Universal