X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=zsh%2Frc;h=0370fb00d8ddf720ae4949e05551af5ce9f044b2;hb=f3e6d64626a67c78f0a8bf401fe7478011a541a4;hp=17fb0cb34cd60d266566f7dd38a93d6a81e2e3fa;hpb=ed89ce91a7a93203fad6eb3da8192a822734e1ba;p=config%2Fdotfiles.git diff --git a/zsh/rc b/zsh/rc index 17fb0cb..0370fb0 100644 --- a/zsh/rc +++ b/zsh/rc @@ -1,12 +1,77 @@ # Zsh configuration file. +source_debug "sourcing ~/.zsh/rc" + +# MISCELLANEOUS SETTINGS + # Use Vi(m) style key bindings. bindkey -v -# Use the history and store it in ~/.zsh/history. -HISTSIZE=1000 -SAVEHIST=1000 +# Be paranoid, new files are readable/writable by me only. +umask 077 + +# Prevent overwriting existing files with '> filename', use '>| filename' +# (or >!) instead. +setopt noclobber + +# Entering the name of a directory (if it's not a command) will automatically +# cd to that directory. +setopt autocd + +# When entering a nonexistent command name automatically try to find a similar +# one. +setopt correct + +# Enable zsh's extended glob abilities. +setopt extendedglob + +# Don't exit if is pressed. +setopt ignoreeof + + +# FUNCTION SETTINGS + +# Make sure every entry in $fpath is unique. +typeset -U fpath +# Set correct fpath to allow loading my functions (including completion +# functions). +fpath=(~/.zsh/functions $fpath) +# Autoload my functions (except completion functions and hidden files). Thanks +# to caphuso from the Zsh example files for this idea. +autoload ${fpath[1]}/^_*(^/:t) + +# Simulate hooks using _functions arrays for Zsh versions older then 4.3.4. At +# the moment only precmd() and preexec() are simulated. +# +# At least 4.3.4 (not sure about later versions) has an error in add-zsh-hook +# so the compatibility version is used there too. +if [[ $ZSH_VERSION != (4.3.<5->|4.<4->*|<5->*) ]]; then + # Provide add-zsh-hook which was added in 4.3.4. + fpath=(~/.zsh/functions/compatibility $fpath) + + # Run all functions defined in the ${precmd,preexec}_functions arrays. + function precmd() { + for function in $precmd_functions; do + $function $@ + done + } + function preexec() { + for function in $preexec_functions; do + $function $@ + done + } +fi + +# Autoload add-zsh-hook to add/remove zsh hook functions easily. +autoload -Uz add-zsh-hook + + +# HISTORY SETTINGS + +# Use history and store it in ~/.zsh/history. +HISTSIZE=5000 +SAVEHIST=5000 HISTFILE=~/.zsh/history # Append to the history file instead of overwriting it and do it immediately # when a command is executed. @@ -18,65 +83,337 @@ setopt histignoredups bindkey "^P" history-beginning-search-backward bindkey "^N" history-beginning-search-forward -# Prevent overwriting existing files with '> filename'. -setopt noclobber - -# Entering the name of a directory (if it's not a command) will automatically -# cd to that directory. -setopt autocd -# When entering a nonexistent command name automatically try to find a similar -# one. -setopt correct +# PROMPT SETTINGS -# Use colorized output. +# Use colorized output, necessary for prompts and completions. autoload -U colors && colors + # Set the default prompt. The current host and working directory is displayed, -# the exit code of the last command if it wasn't 0 and a + if this shell is -# running inside another shell. +# the exit code of the last command if it wasn't 0, the number of running jobs +# if not 0 and a + if this shell is running inside another shell. # The prompt is in green and blue to make easily detectable, the error exit -# code in red and bold. +# code in red and bold and the job count in yellow. PROMPT="%{${fg[green]}%}%B%m%b%{${fg[default]}%}:\ -%{${fg[blue]}%}%B%~%b%{${fg[default]}%} %(2L.+.)%# \ +%{${fg[blue]}%}%B%~%b%{${fg[default]}%} \ +%(1j.%{${fg[yellow]}%}%j%{${fg[default]}%}.)%(2L.+.)%# \ %(?..(%{${fg[red]}%}%B%?%b%{${fg[default]}%}%) )" -# Use the new completion system. -autoload -U compinit && compinit -# Make sure the list of possible completions is displayed after pressing -# the first time. -setopt nolistambiguous -# Use a cache to speed up completions. +# VCS_Info was added in 4.3.9. +if [[ $ZSH_VERSION == (4.3.<9->|4.<4->*|<5->*) ]]; then + # Allow substitutions and expansions in the prompt, necessary for + # vcs_info. + setopt promptsubst + # Load vcs_info to display information about version control repositories. + autoload -Uz vcs_info + # Only look for git and mercurial repositories; the only I use. + zstyle ':vcs_info:*' enable git hg + # Set style of vcs_info display. The current branch (green) and vcs (blue) + # is displayed. If there is an special action going on (merge, rebase) + # it's also displayed (red). + zstyle ':vcs_info:*' formats \ + "(%{${fg[green]}%}%b%{${fg[default]}%}:\ +%{${fg[blue]}%}%s%{${fg[default]}%})" + zstyle ':vcs_info:*' actionformats \ + "(%{${fg[green]}%}%b%{${fg[default]}%}/\ +%{${fg[red]}%}%a%{${fg[default]}%}:\ +%{${fg[blue]}%}%s%{${fg[default]}%})" + # Call vcs_info as precmd before every prompt. + prompt_precmd() { + vcs_info + } + add-zsh-hook precmd prompt_precmd + + # Display the vcs information in the right prompt. + RPROMPT='${vcs_info_msg_0_}' +fi + +# When screen or xterm is used set the name of the window to the currently +# running program. +# +# When a program is started preexec() sets the window's name to it; when it +# stops precmd() resets the windows' name to 'zsh'. +# +# It works with screen and xterm. If screen is running in X11 (DISPLAY is set) +# and stumpwm is used (it's tested if stumpish is available) then the window +# title is also set in stumpwm using stumpish. +if [[ $TERM == screen* || $TERM == xterm* ]]; then + # Set to a non empty value to reset the window name in the next precmd() + # call. + window_reset=yes + # Set to a non empty value when the stump window manager is available. + which stumpwm &> /dev/null + if [[ $? -eq 0 ]]; then + window_stumpwm=yes + fi + # Set to a non empty value when the shell is running as root. + if [[ $(id -u) -eq 0 ]]; then + window_root=yes + fi + + window_preexec() { + # Get the program name with its arguments. + local program_name=$1 + + # When sudo is used use real program name instead, but with an + # exclamation mark at the beginning. + local program_sudo= + if [[ $program_name == sudo* ]]; then + program_name=${program_name#sudo } + program_sudo=yes + fi + # Remove all arguments from the program name. + program_name=${program_name%% *} + + # Ignore often used commands which are only running for a very short + # time. This prevents a "blinking" name when it's changed to "cd" for + # example and then some milliseconds later back to "zsh". + [[ $program_name == (cd*|ls|la|ll|clear) ]] && return + + # Change my shortcuts so the real name of the program is displayed. + case $program_name in + e) + program_name=elinks + ;; + g) + program_name=git + ;; + m) + program_name=mutt + ;; + v|vi) + program_name=vim + ;; + esac + + # Add an exclamation mark at the beginning if running with sudo or if + # running zsh as root. + if [[ $program_sudo == yes || $window_root == yes ]]; then + program_name=!$program_name + fi + + # Add an at mark at the beginning if running ssh on a different + # computer. + if [[ -n $SSH_CONNECTION ]]; then + program_name="@$program_name" + fi + + # Set the window name to the currently running program. + window_title "$program_name" + + # Tell precmd() to reset the window name when the program stops. + window_reset=yes + } + + window_precmd() { + # Abort if no window name reset is necessary. + [[ -z $window_reset ]] && return + + # Reset the window name to 'zsh'. + if [[ -n $SSH_CONNECTION ]]; then + window_title "@zsh" + elif [[ $window_root == yes ]]; then + window_title "!zsh" + else + window_title "zsh" + fi + + # Just reset the name, so no screen reset necessary for the moment. + window_reset= + } + + # Sets the window title. Works with screen and xterm. + window_title() { + if [[ $TERM == screen* ]]; then + print -n "\ek$1\e\\" + + # Update window name in stumpwm if running screen in X11 and when + # stumpwm is used. + if [[ -n $DISPLAY && -n $window_stumpwm ]]; then + echo "$1" | stumpish -e "title" > /dev/null + fi + + elif [[ $TERM == xterm* ]]; then + print -n "\e]2;$1\e\\" + fi + } + + # Add the preexec() and precmd() hooks. + add-zsh-hook preexec window_preexec + add-zsh-hook precmd window_precmd +fi + + +# COMPLETION SETTINGS + +# Load the complist module which provides additions to completion lists +# (coloring, scrollable). +zmodload zsh/complist +# Use new completion system, store dumpfile in ~/.zsh/cache to prevent +# cluttering of ~/. +autoload -U compinit && compinit -d ~/.zsh/cache/zcompdump + +# Use cache to speed up completions. zstyle ':completion:*' use-cache on zstyle ':completion:*' cache-path ~/.zsh/cache -# Ignore the case if the currently typed string doesn't match. -zstyle ':completion:*' matcher-list '' 'm:{a-zA-Z}={A-Za-z}' -# Enable zsh's extended glob abilities. -setopt extendedglob +# Complete arguments and fix spelling mistakes when possible. +zstyle ':completion:*' completer _complete _match _correct _approximate + +# Make sure the list of possible completions is displayed after pressing +# the first time. +setopt nolistambiguous +# Allow completions in the middle of a text, i.e. "/usr/bin/whatever" +# completes like "/usr/bin/". Useful when adding new options to commands. +bindkey "^I" expand-or-complete-prefix +# Try uppercase if the currently typed string doesn't match. This allows +# typing in lowercase most of the time and completion fixes the case. +zstyle ':completion:*' matcher-list '' 'm:{a-z}={A-Z}' + +# Use ls like colors for completions. +zstyle ':completion:*' list-colors ${(s.:.)LS_COLORS} + +# Make completion lists scrollable so "do you wish to see all n possibilities" +# is no longer displayed. +zstyle ':completion:*' list-prompt '%p' +# Display group name (like 'external command', 'alias', etc.) when there are +# multiple matches in bold. +zstyle ':completion:*' format ' %B%d%b:' +# Display different types of matches separately. +zstyle ':completion:*' group-name '' + +# Ignore completion functions. +zstyle ':completion:*:functions' ignored-patterns '_*' +# Ignore parent directory. +zstyle ':completion:*:(cd|mv|cp):*' ignore-parents parent pwd +# When unsetting variables make sure every variable name is only suggested +# once. +zstyle ':completion:*:unset:*' ignore-line yes +# When working with Mercurial and Git don't complete the same file multiple +# times. Very useful when completing file names. +zstyle ':completion:*:(hg|git)*:*' ignore-line yes + + +# CUSTOM ALIASES AND FUNCTIONS + +# Make sure aliases are expanded when using sudo. +alias sudo='sudo ' + +# Simplify calls to less, automatically redirects all output. +alias -g L='2>&1 | less' +# Simplify calls to colordiff, output is also piped through less. +alias -g D='2>&1 | colordiff L' +# Simplify calls to grep. +alias -g G='| grep' -# If ^C is pressed while typing a command, copy it in the kill buffer so it can -# be "yanked" later and then abort like ^C normally does. This is useful when I -# want to abort an command to do something in between and then finish typing -# the command. +# Automatically use unified diffs. +alias diff='diff -u' + +# Display all files and use human readable sizes. +alias du='du -sh' + +# Use human readable sizes. +alias df='df -h' + +# Multiple files given to Vim are opened in tabs, supported since Vim 7. +if [[ ${${${(f)"$(vim --version)"}[1]#VIM - Vi IMproved }%% *} == 7* ]]; then + alias vim='vim -p' +fi + +# Shortcuts for often used programs. +alias e='elinks' +alias g='git' +alias m='mutt' +alias v='vim' +alias vi='vim' + +# I sometimes confuse editor and shell, print a warning to prevent I exit the +# shell. +alias :q='echo "This is not Vim!" >&2' + +# Edit the mercurial patch queue series file for the current mercurial +# repository in Vim. Also change Vim's pwd to the patches directory so other +# patches can easily be opened. +alias vqs='vim -c "cd $(hg root)/.hg/patches/" "$(hg root)/.hg/patches/series"' + +# Make going up directories simple. +alias -g ...='../..' +alias -g ....='../../..' +alias -g .....='../../../..' + +# Improved ls which displays the files in columns (-C), visualizes +# directories, links and other special files (-F) and pages everything through +# less (L). +# +# If available use GNU ls with colorized output. If it isn't available use +# normal ls which needs CLICOLOR_FORCE so it displays colors when used with a +# pager. +ls --color &> /dev/null +if [[ $? -eq 0 ]]; then + alias ls='ls --color' +else + alias ls='CLICOLOR_FORCE=1 ls -G' +fi +# Main ls function. +function ls() { + command ls -C -F $* L +} +# Helper function to list all files. +function la() { + ls -a $* +} +# Helper function to list all files in list format with access rights, etc. +function ll() { + la -l $* +} + +# If ^C is pressed while typing a command, add it to the history so it can be +# easily retrieved later and then abort like ^C normally does. This is useful +# when I want to abort an command to do something in between and then finish +# typing the command. TRAPINT() { - # Kill the current buffer so it gets stored and can be retrieved later with - # "yank". Then yank it so it gets displayed (otherwise I don't know which - # command I aborted). - zle && zle kill-buffer && zle yank + # Store the current buffer in the history. + zle && print -s $BUFFER - # Return the default exit code so zsh aborts the current command line. + # Return the default exit code so zsh aborts the current command. return $1 } -# Make sure ^Y is bound to yank, necessary for the TRAPINT function to work as -# excepted. -bindkey "^Y" yank - - -# If a rc.local file exists load it, otherwise load a rc file for the current -# hostname (first part before a dot) if it exists. -host=${$(hostname)//.*/} -if [[ -f ~/.zsh/rc.local ]]; then; - source ~/.zsh/rc.local -elif [[ -f ~/.zsh/rc.$host ]]; then; - source ~/.zsh/rc.$host + +# Display TODOs stored in ~/.todo if this file exists. +todo() { + if [[ -f ~/.todo ]]; then + cat ~/.todo | $PAGER + fi +} + +# Colorize stderr. Very useful when looking for errors. Thanks to +# http://gentoo-wiki.com/wiki/Zsh +exec 2>>(while read line; do + print '\e[91m'${(q)line}'\e[0m' > /dev/tty; print -n $'\0'; done &) + + +# RUN COMMANDS + +# If not already in screen reattach to a running session or create a new one. +# +# screen* is necessary as `screen` uses screen.linux for example for a linux +# console which would otherwise cause an infinite loop. +if [[ $TERM != screen* && $TERM != 'dumb' ]]; then + # Create a new session if none is running. + if [[ $(screen -list | grep "Detached" | wc -l) == 0 ]]; then + screen + # Reattach to a running session. + else + screen -r + fi fi + + +# Load rc file for current OS. +source_config ~/.zsh os rc $(uname) nolocal +# Load rc file for current hostname (first part before a dot) or rc.local. +source_config ~/.zsh host rc ${$(hostname)//.*/} + +source_debug "finished sourcing ~/.zsh/rc" + +# vim: ft=zsh