dotfiles/zsh/.zshrc

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# Based off of the zshrc of Josh Hartwell, with many additions, deletions, and changes from across the outside community.
local ZSH_CONF=$HOME/.zsh # Define the place I store all my zsh config stuff
local ZSH_CACHE=$ZSH_CONF/cache # for storing files like history and zcompdump
local LOCAL_ZSHRC=$HOME/.zshlocal/.zshrc # Allow the local machine to have its own overriding zshrc if it wants it
# Load external config files and tools
# Load misc functions. Done in a seperate file to keep this from getting too long and ugly
source $ZSH_CONF/functions.zsh
#Load prompt file. Also done to keep it more tidy.
source $ZSH_CONF/prompt.zsh
# Set important shell variables
export EDITOR=nvim # Set default editor
export VISUAL=nvim
export WORDCHARS='' # This is the oh-my-zsh default, I think I'd like it to be a bit different
export PAGER=less # Set default pager
export LESS="-R" # Set the default options for less
export LESSHISTFILE="/dev/null" # Prevent the less hist file from being made, I dont want it
# Misc
# Enable the ZLE line editor, which is default behavior, but to be sure
setopt ZLE
#Enable vi mode for the ZLE. it should be set by default due to our EDITOR and VISUAL, but this is just to be safe.
bindkey -v
# prevent duplicate entries in path
declare -U path
# Uses custom colors for LS, as outlined in dircolors
eval $(dircolors $ZSH_CONF/dircolors)
# Sends cd commands without the need for 'cd'
setopt AUTO_CD
# Can pipe to mulitple outputs
setopt MULTI_OS
# Kill all child processes when we exit, dont leave them running
unsetopt NO_HUP
#Allows comments in interactive shell.
setopt INTERACTIVE_COMMENTS
# Abc{$cool}efg where $cool is an array surrounds all array variables individually
setopt RC_EXPAND_PARAM
# Ctrl+S and Ctrl+Q usually disable/enable tty input. This disables those inputs
unsetopt FLOW_CONTROL
# List jobs in the long format by default. (I dont know what this does but it sounds good)
setopt LONG_LIST_JOBS
# ZSH History
alias history='fc -fl 1'
HISTFILE=$ZSH_CACHE/history # Keep our home directory neat by keeping the histfile somewhere else
SAVEHIST=10000 # Big history
HISTSIZE=10000 # Big history
setopt EXTENDED_HISTORY # Include more information about when the command was executed, etc
setopt APPEND_HISTORY # Allow multiple terminal sessions to all append to one zsh command history
setopt HIST_FIND_NO_DUPS # When searching history dont display results already cycled through twice
setopt HIST_EXPIRE_DUPS_FIRST # When duplicates are entered, get rid of the duplicates first when we hit $HISTSIZE
setopt HIST_IGNORE_SPACE # Dont enter commands into history if they start with a space
setopt HIST_VERIFY # makes history substitution commands a bit nicer. I dont fully understand
setopt SHARE_HISTORY # Shares history across multiple zsh sessions, in real time
setopt HIST_IGNORE_DUPS # Do not write events to history that are duplicates of the immediately previous event
setopt INC_APPEND_HISTORY # Add commands to history as they are typed, dont wait until shell exit
setopt HIST_REDUCE_BLANKS # Remove extra blanks from each command line being added to history
# ZSH Auto Completion
# Figure out the short hostname
if [[ "$OSTYPE" = darwin* ]]; then
# OS X's $HOST changes with dhcp, etc., so use ComputerName if possible.
SHORT_HOST=$(scutil --get ComputerName 2>/dev/null) || SHORT_HOST=${HOST/.*/}
else
SHORT_HOST=${HOST/.*/}
fi
#the auto complete dump is a cache file where ZSH stores its auto complete data, for faster load times
local ZSH_COMPDUMP="$ZSH_CACHE/acdump-${SHORT_HOST}-${ZSH_VERSION}" #where to store autocomplete data
autoload -Uz compinit
compinit -i -d "${ZSH_COMPDUMP}" # Init auto completion; tell where to store autocomplete dump
zstyle ':completion:*' menu select # Have the menu highlight as we cycle through options
zstyle ':completion:*' matcher-list 'm:{a-z}={A-Z}' # Case-insensitive (uppercase from lowercase) completion
setopt COMPLETE_IN_WORD # Allow completion from within a word/phrase
setopt ALWAYS_TO_END # When completing from the middle of a word, move cursor to end of word
setopt MENU_COMPLETE # When using auto-complete, put the first option on the line immediately
setopt COMPLETE_ALIASES # Turn on completion for aliases as well
setopt LIST_ROWS_FIRST # Cycle through menus horizontally instead of vertically
# Globbing
setopt NO_CASE_GLOB # Case insensitive globbing
setopt EXTENDED_GLOB # Allow the powerful zsh globbing features, see link:
# http://www.refining-linux.org/archives/37/ZSH-Gem-2-Extended-globbing-and-expansion/
setopt NUMERIC_GLOB_SORT # Sort globs that expand to numbers numerically, not by letter (i.e. 01 2 03)
# Aliases
alias vim="nvim"
#alias -g ...='../..'
#alias -g ....='../../..'
#alias -g .....='../../../..'
#alias -g ......='../../../../..'
#alias -g .......='../../../../../..'
#alias -g ........='../../../../../../..'
alias ls="ls -h --color='auto'"
alias lsa='ls -A'
alias ll='ls -l'
alias la='ls -lA'
alias lx='ls -lXB' #Sort by extension
alias lt='ls -ltr'
alias lk='ls -lSr'
alias cdl=changeDirectory; function changeDirectory { cd $1 ; la }
alias md='mkdir -p'
alias rd='rmdir'
# Copy with a progress bar
alias cpv="rsync -poghb --backup-dir=/tmp/rsync -e /dev/null --progress --"
alias d='dirs -v | head -10' # List the last ten directories we've been to this session, no duplicates
alias ddg='web_search ddg'
alias github='web_search github'
alias wiki='web_search ddg \!w'
alias news='web_search ddg \!n'
alias youtube='web_search ddg \!yt'
alias map='web_search ddg \!m'
alias image='web_search ddg \!i'
# Setup grep to be a bit more nice
# check if 'x' grep argument available
grep-flag-available() {
echo | grep $1 "" >/dev/null 2>&1
}
local GREP_OPTIONS=""
# color grep results
if grep-flag-available --color=auto; then
GREP_OPTIONS+=" --color=auto"
fi
# ignore VCS folders (if the necessary grep flags are available)
local VCS_FOLDERS="{.bzr,CVS,.git,.hg,.svn}"
if grep-flag-available --exclude-dir=.cvs; then
GREP_OPTIONS+=" --exclude-dir=$VCS_FOLDERS"
elif grep-flag-available --exclude=.cvs; then
GREP_OPTIONS+=" --exclude=$VCS_FOLDERS"
fi
# export grep settings
alias grep="grep $GREP_OPTIONS"
# clean up
unfunction grep-flag-available
# Allow local zsh settings (superseding anything in here) in case I want something specific for certain machines
if [[ -r $LOCAL_ZSHRC ]]; then
source $LOCAL_ZSHRC
fi
#launch a tmux session for interactive shells (attaching to an existing tmux session if possible.
if which tmux > /dev/null 2>&1; then #checks if tmux is installed. if it is not, do nothing.
#try to attach to an exsisting tmux session, or, if that doesnt exist, make a new one.
test -z ${TMUX} && (tmux attach || tmux new-session)
fi