rc/zshrc

# zshrc originaly inspired by ECP VIA's debian course file,
# and David_5-1's numerous improvements
#
# Regularly improved and tweaked by lhark since 2015
#
# Uses the following plugins:
# https://github.com/zsh-users/zsh-syntax-highlighting
# https://github.com/zsh-users/zsh-autosuggestions

# Uncomment this line for perfomance analysis
#zmodload zsh/zprof

export PATH="$PATH:/Library/Frameworks/Python.framework/Versions/3.8/bin:/usr/local/bin:/usr/local/sbin:/usr/sbin:/sbin"
# Get rc dir path
#RC_PATH=$(dirname "$(readlink -f ${(%):-%x})")
# https://stackoverflow.com/questions/9901210/bash-source0-equivalent-in-zsh#comment45012039_23259585
RC_PATH=$(dirname "$(realpath -- "${(%):-%x}")")
export PATH="$PATH:$RC_PATH/bin:~/bin:/opt/cuda/bin:~/.cargo/bin:~/go/bin"

# Prevent golang from littering $HOME and force it to follow XDG
export GOPATH="$HOME/.local/share/go"

# Use all cores when building with cmake (using number of physical cores)
# https://unix.stackexchange.com/a/377945/248368
# TODO Check if we should use virtual cores count instead
cores="$(cat /proc/cpuinfo | grep -c "cpu cores")"
export CMAKE_BUILD_PARALLEL_LEVEL="$cores"

# Add ruby gems to path
if which ruby >/dev/null && which gem >/dev/null; then
    PATH="$(ruby -r rubygems -e 'puts Gem.user_dir')/bin:$PATH"
fi
# Add emscripten to path
if [ -d "$HOME/emsdk" ]; then
    PATH="$PATH:~/emsdk:~/emsdk/node/12.9.1_64bit/bin:~/emsdk/fastcomp/emscripten" #:~/emsdk/fastcomp/emscripten/tools"
fi
export BROWSER='/usr/bin/w3m -T "text/html"'
if which nvim > /dev/null 2>&1; then
  export EDITOR=/usr/bin/nvim
else
  export EDITOR=/usr/bin/vim
fi
# Disable `less` history file
export LESSHISTFILE='/dev/null'
export GPG_TTY="$(tty)"
# Prevent mime associations by wine
export WINEPREFIX="$HOME/.wine"
export WINEDLLOVERRIDES="winemenubuilder.exe=d"
export CUDA_ROOT=/opt/cuda
# Android SDK setup
export ANDROID_HOME="/opt/android-sdk"
export PATH="$PATH:$ANDROID_HOME/tools/bin:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools"
# Use Wayland when available
export MOZ_ENABLE_WAYLAND=1

# Configuration for virtualenv
export WORKON_HOME=$HOME/.virtualenvs
source /usr/bin/virtualenvwrapper_lazy.sh > /dev/null 2>&1
# disables prompt mangling in virtual_env/bin/activate
export VIRTUAL_ENV_DISABLE_PROMPT=1

# Configuration for ROS
source /opt/ros/indigo/setup.zsh > /dev/null 2>&1
export PYTHONPATH=/opt/ros/indigo/lib/python2.7/site-packages:$PYTHONPATH
export PKG_CONFIG_PATH="/opt/ros/indigo/lib/pkgconfig:$PKG_CONFIG_PATH"

# Import utility functions
# Colors needed for the prompt definition
autoload -U colors
colors
. "$RC_PATH/functions"
. "$RC_PATH/aliases"
. "$RC_PATH/prompt"

# Detect if we have GNU coreutils or BSD
if date --version > /dev/null 2>&1 ;then
  # Setup colors for GNU ls
  eval "$(dircolors -b)"
fi

# Check for rc updates in the background
(check_rc_update&) 2> /dev/null

# Check for system updates inthe background
(check_sys_update&) 2> /dev/null

# Term specific hacks
case $TERM in
    *kitty)
      preexec () {
        print -n "\e]0;kitty - $1 - ${HOST} - ${PWD}\a"
      }
        alias ssh='ssh_kitty'
    ;;
    xterm*)
      preexec () {
        print -n "\e]0;xterm - $1 - ${HOST} - ${PWD}\a"
      }
    ;;
    # Fix broken ssh with st
    st*)
      preexec () {
        print -n "\e]0;st - $1 - ${HOST} - ${PWD}\a"
      }
        alias ssh='TERM=xterm ssh -A'
    ;;
esac

# Prevent CTRL-S from locking the terminal
stty -ixon


###############
# ZSH options #
###############

# man zshoptions

unsetopt rm_star_silent     # Ask before running 'rm *' or 'rm path/*'
unsetopt promptsubst        # ZLE is handling prompt recalculation
setopt clobber              # Allow file overwrite with > instead of >|
setopt chase_links          # cd resolves symbolic links
setopt hist_verify          # check the result of !! before executing
setopt hist_ignore_all_dups # Only keep last version of duplicate command
setopt sharehistory         # Import new cmds from hist file & append typed cmds
setopt hist_ignore_space    # Ignore cmds with leading space
setopt autopushd            # cd pushes old dir to dir stack
setopt pushdsilent          # Silent pushd & popd
setopt pushdtohome          # pushd = pushd $HOME
setopt pushdignoredups
setopt pushdminus           # This reverts the +/- operators for pushd.
setopt nobeep               # Beeps are a pain

EXPORTTIME=0                # (Disabled) Display command execution time
HISTSIZE=10000000
SAVEHIST=10000000
HISTFILE=~/.history
HISTTIMEFORMAT="%d/%m %H:%M:%S "


######################
# Load ZSH functions #
######################

zmodload zsh/complist
autoload -U compinit promptinit
compinit
colors
autoload -U zsh-mime-setup


######################
# Completion options #
######################

unsetopt glob_dots          # (disabled) Do not require a leading '.' in a filename to be matched explicitly.
setopt auto_remove_slash    # Auto remove slash at the end of autocomp when appropriate
setopt complete_in_word     # If the cursor is inside a word, completion is done from both ends
setopt extended_glob        # Treat '#', '~' and '^' chars as part of patterns for filenames, etc.
setopt glob_complete        # When the current word has a glob pattern, do not insert all the words resulting from the expansion
unsetopt null_glob          # Error when no glob match found, instead of deleting

# man zshmodules (zstyle)
# man zshcompsys (styles)
# man zshcompwid (COMPLETION MATCHING CONTROL)

#zstyle ':completion:*' matcher-list '' 'm:{a-z}={A-Z}'
# Max errors allowed while attempting completion
zstyle ':completion:*' max-errors 3 numeric
# Disable legacy completion
zstyle ':completion:*' use-compctl false
zstyle ':completion:*' auto-description 'specify: %d'
#zstyle ':completion:*' completer _expand _complete _correct _approximate
zstyle ':completion:*' completer _complete _correct _approximate
zstyle ':completion:*' format 'Completing %d'
zstyle ':completion:*' group-name ''
# Start menu style completion if there are more than 2 matches
zstyle ':completion:*' menu select=2
zstyle ':completion:*:default' list-colors ${(s.:.)LS_COLORS}
zstyle ':completion:*' list-colors "=(#b) #([0-9]#)*=36=31"
zstyle ':completion:*' list-prompt %SAt %p: Hit TAB for more, or the character to insert%s
zstyle ':completion:*' matcher-list '' 'm:{a-z}={A-Z}' 'm:{a-zA-Z}={A-Za-z}' 'r:|[._-]=* r:|=* l:|=*'
zstyle ':completion:*' menu select=long
zstyle ':completion:*' select-prompt %SScrolling active: current selection at %p%s
zstyle ':completion:*' verbose true
# Add colors to the completion menu, eg. kill -9 <tab><tab>
zstyle ':completion:*:*:kill:*:processes' list-colors "=(#b) #([0-9]#)*=36=31"
zstyle ':completion:*:processes' command 'ps -au$USER -o pid,time,cmd|grep -v "ps -au$USER -o pid,time,cmd"'
# Separate man page sections.  Neat.
zstyle ':completion:*:manuals' separate-sections true
# Create completions cache
# Useful for slow completions like with package managers
zstyle ':completion:*' use-cache on
zstyle ':completion:*' cache-path ~/.zs
# Enable ssh completion for kitty ssh
compdef ssh_kitty=ssh


################
# Prompt setup #
################

autoload -Uz vcs_info
promptinit
# Set timeout to 0.1s for switching to normal mode (might interfere with other apps)
export KEYTIMEOUT=1
zle -N zle-line-init
zle -N zle-keymap-select

##################
# Keyboard setup #
##################

bindkey -v # Vim type keybinds for ZLE (line editing)

# Handling of special keys
# CTRL+V then press the key to display the code
typeset -A key
# CTRL + arrows keys
bindkey ";5D" beginning-of-line
bindkey ";5C" end-of-line
bindkey ";5A" up-line-or-history
bindkey ";5B" down-line-or-history
bindkey "^[[1;5D" beginning-of-line
bindkey "^[[1;5C" end-of-line
# Vim style incremental search
bindkey -M vicmd "/" history-incremental-search-backward
bindkey -M vicmd "?" history-incremental-search-forward
# Push the current command to the stack. ZLE will pop it on the next prompt
bindkey -M vicmd "q" push-line
# Page Up/Down
bindkey "^[[5~" history-beginning-search-backward
bindkey "^[[6~" history-beginning-search-forward
# CTRL + Page UP/Down
bindkey "^[[5;5~" beginning-of-buffer-or-history
bindkey "^[[6;5~" end-of-buffer-or-history
# Begin / End (numpad)
bindkey "^[[H" beginning-of-line
bindkey "^[[4~" end-of-line
# Begin / End
bindkey "^[OH" beginning-of-line
bindkey "^[OF" end-of-line
bindkey "^[[F" end-of-line
# Delete
bindkey "[3~" delete-char
# Shift-Tab
bindkey "^[[Z" reverse-menu-complete


ZSH_AUTOSUGGEST_STRATEGY=(history)
source "${RC_PATH}/zsh-autosuggestions/zsh-autosuggestions.zsh"
# ZSH syntax highlighting : /!\ keep at the bottom !
source "${RC_PATH}/fast-syntax-highlighting/fast-syntax-highlighting.plugin.zsh"