diff options
Diffstat (limited to 'dot-oh-my-zsh/custom/plugins/zsh-cwd-history/zsh-cwd-history.plugin.zsh')
| -rw-r--r-- | dot-oh-my-zsh/custom/plugins/zsh-cwd-history/zsh-cwd-history.plugin.zsh | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/dot-oh-my-zsh/custom/plugins/zsh-cwd-history/zsh-cwd-history.plugin.zsh b/dot-oh-my-zsh/custom/plugins/zsh-cwd-history/zsh-cwd-history.plugin.zsh new file mode 100644 index 00000000..d5d717f6 --- /dev/null +++ b/dot-oh-my-zsh/custom/plugins/zsh-cwd-history/zsh-cwd-history.plugin.zsh @@ -0,0 +1,150 @@ +# Scope history to the current working directory. +# Idea from https://github.com/jimhester/per-directory-history +# https://github.com/ericfreese/zsh-cwd-history +# v0.2.1 +# Copyright (c) 2016 Eric Freese +# +# Permission is hereby granted, free of charge, to any person +# obtaining a copy of this software and associated documentation +# files (the "Software"), to deal in the Software without +# restriction, including without limitation the rights to use, +# copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following +# conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. + +#--------------------------------------------------------------------# +# Global Config Variables # +#--------------------------------------------------------------------# + +ZSH_CWD_HISTORY_DIR="$HOME/.zsh_cwd_history" +ZSH_CWD_HISTORY_SHOW_TOGGLE_MSG=true +ZSH_CWD_HISTORY_SHOW_CHPWD_MSG=false + +#--------------------------------------------------------------------# +# Histfile Helper Functions # +#--------------------------------------------------------------------# + +# Echo the name of the history file to use for current working dir +# Uses the md5 hash of the absolute path +_zsh_cwd_history_histfile_for_cwd() { + echo "$ZSH_CWD_HISTORY_DIR/.hist-$(echo "${PWD:A}" | md5 -q)" +} + +# Switch to a new history file, writing to the old one +_zsh_cwd_history_switch_histfile() { + local new_histfile=$1 + + # Write old histfile + fc -P + + # Read new histfile + fc -p "$new_histfile" +} + +#--------------------------------------------------------------------# +# Display a Message # +#--------------------------------------------------------------------# + +_zsh_cwd_history_message() { + local message=$1 + + if zle; then + zle -Rc "" $message + else + echo $message + fi +} + +#--------------------------------------------------------------------# +# Toggle Widget # +#--------------------------------------------------------------------# + +# Implementation for toggle widget +_zsh_cwd_history_toggle() { + if [ "$HISTFILE" = "$_ZSH_CWD_HISTORY_ORIG_HISTFILE" ]; then + # Switch to the cwd histfile + _zsh_cwd_history_switch_histfile $(_zsh_cwd_history_histfile_for_cwd) + + # Add back the cwd hook + _zsh_cwd_history_add_cwd_hook + + # Show message if necessary + if $ZSH_CWD_HISTORY_SHOW_TOGGLE_MSG; then + _zsh_cwd_history_message "Using cwd histfile: $HISTFILE" + fi + else + # Switch to the original histfile + _zsh_cwd_history_switch_histfile $_ZSH_CWD_HISTORY_ORIG_HISTFILE + + # Temporarily remove the cwd hook + _zsh_cwd_history_remove_cwd_hook + + # Show message if necessary + if $ZSH_CWD_HISTORY_SHOW_TOGGLE_MSG; then + _zsh_cwd_history_message "Using original histfile: $HISTFILE" + fi + fi +} + +# Create the toggle widget +zle -N cwd-history-toggle _zsh_cwd_history_toggle + +#--------------------------------------------------------------------# +# Zsh Hooks # +#--------------------------------------------------------------------# + +# Initialize on first prompt, then remove the precmd hook +_zsh_cwd_history_initialize() { + # Simulate initial chpwd + _zsh_cwd_history_cwd_changed + + # Add a hook to switch histfiles on chpwd + _zsh_cwd_history_add_cwd_hook + + # Remove the precmd hook + add-zsh-hook -d precmd _zsh_cwd_history_initialize +} + +# Load history for current working directory when changing dirs +_zsh_cwd_history_cwd_changed() { + local cwd_histfile=$(_zsh_cwd_history_histfile_for_cwd) + + # Save a reference to any original histfile from outside our dir + if [ "${HISTFILE:A:h}" != "$ZSH_CWD_HISTORY_DIR" ]; then + _ZSH_CWD_HISTORY_ORIG_HISTFILE="$HISTFILE" + fi + + # Switch the histfile + _zsh_cwd_history_switch_histfile $cwd_histfile + + # Show message if necessary + if $ZSH_CWD_HISTORY_SHOW_CHPWD_MSG; then + _zsh_cwd_history_message "Using cwd histfile: $HISTFILE" + fi +} + +# Add the chpwd hook +_zsh_cwd_history_add_cwd_hook() { + add-zsh-hook chpwd _zsh_cwd_history_cwd_changed +} + +# Remove the chpwd hook +_zsh_cwd_history_remove_cwd_hook() { + add-zsh-hook -d chpwd _zsh_cwd_history_cwd_changed +} + +autoload -Uz add-zsh-hook +add-zsh-hook precmd _zsh_cwd_history_initialize |