X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=zsh%2Frc;h=6d2b806eefb683dad6ffd28dd221ac83d0176eb4;hb=1fefd8c3cfebc6c0bc68c2fbf668853c2eda60e6;hp=6348432fcd39c3cd2523cb81634171e9ed503918;hpb=0c74b67f4bda341ac3430b8f6af51dc47439caba;p=config%2Fdotfiles.git diff --git a/zsh/rc b/zsh/rc index 6348432..6d2b806 100644 --- a/zsh/rc +++ b/zsh/rc @@ -11,9 +11,6 @@ bindkey -v # Be paranoid, new files are readable/writable by me only. umask 077 -# Make sure core dumps are created. -ulimit -c unlimited - # Prevent overwriting existing files with '> filename', use '>| filename' # (or >!) instead. setopt noclobber @@ -35,6 +32,13 @@ setopt ignoreeof # FUNCTION SETTINGS +# Make sure every entry in $fpath is unique. +typeset -U fpath +# ~/.zsh/functions/completion is a symbolic link to the Completion directory +# of a Zsh CVS checkout. Use it to get the newest completions if available. +if [[ -d ~/.zsh/functions/completion ]]; then + fpath=(~/.zsh/functions/completion/*/*(/) $fpath) +fi # Set correct fpath to allow loading my functions (including completion # functions). fpath=(~/.zsh/functions $fpath) @@ -42,6 +46,28 @@ fpath=(~/.zsh/functions $fpath) # to caphuso from the Zsh example files for this idea. autoload ${fpath[1]}/^_*(^/:t) +# Simulate hooks using _functions arrays for Zsh versions older than 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 $@ + done + } +fi + # Autoload add-zsh-hook to add/remove zsh hook functions easily. autoload -Uz add-zsh-hook @@ -78,8 +104,18 @@ PROMPT="%{${fg[green]}%}%B%m%b%{${fg[default]}%}:\ %(1j.%{${fg[yellow]}%}%j%{${fg[default]}%}.)%(2L.+.)%# \ %(?..(%{${fg[red]}%}%B%?%b%{${fg[default]}%}%) )" -# VCS_Info was added in 4.3.9. -if [[ $ZSH_VERSION == (4.3.<9->|4.<4->*|<5->*) ]]; then +# VCS_Info was added in 4.3.9 but it works in earlier versions too. So load it +# if the necessary files are available in ~/.zsh/functions/vcs_info (often a +# symbolic link to current checkout of Zsh's sources). +if [[ $ZSH_VERSION == (4.3.<9->|4.<4->*|<5->*) || + -d ~/.zsh/functions/vcs_info ]]; then + # Update fpath to allow loading the VCS_Info functions. + if [[ -d ~/.zsh/functions/vcs_info ]]; then + fpath=(~/.zsh/functions/vcs_info/ + ~/.zsh/functions/vcs_info/Backends + $fpath) + fi + # Allow substitutions and expansions in the prompt, necessary for # vcs_info. setopt promptsubst @@ -104,25 +140,53 @@ if [[ $ZSH_VERSION == (4.3.<9->|4.<4->*|<5->*) ]]; then add-zsh-hook precmd prompt_precmd # Display the vcs information in the right prompt. - RPROMPT='${vcs_info_msg_0_}' + if [[ $ZSH_VERSION == (4.3.<9->|4.<4->*|<5->*) ]]; then + RPROMPT='${vcs_info_msg_0_}' + # There is a bug in Zsh below 4.3.9 which displays a wrong symbol when + # ${vcs_info_msg_0_} is empty. Provide a workaround for those versions, + # thanks to Frank Terbeck for it. + else + RPROMPT='${vcs_info_msg_0_:- }' + fi fi -# When screen is used set the name of the window to the currently running -# program. +# 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'. -if [[ $TERM == screen ]]; then +# +# 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 a command is run with sudo or if the shell is running as root then a ! is +# added at the beginning of the command to make this clear. If a command is +# running on a different computer with ssh a @ is added at the beginning. +if [[ $TERM == screen* || $TERM == xterm* ]]; then # Set to a non empty value to reset the window name in the next precmd() # call. - screen_name_reset=yes + 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 - screen_preexec() { + window_preexec() { # Get the program name with its arguments. local program_name=$1 - # When sudo is used use real program name instead. + + # 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%% *} @@ -148,27 +212,61 @@ if [[ $TERM == screen ]]; then ;; esac + # Add an exclamation mark at the beginning if running with sudo or if + # running zsh as root. + if [[ -n $program_sudo || -n $window_root ]]; then + program_name=!$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. - print -n "\ek$program_name\e\\" + window_title "$program_name" # Tell precmd() to reset the window name when the program stops. - screen_name_reset=yes + window_reset=yes } - screen_precmd() { + window_precmd() { # Abort if no window name reset is necessary. - [[ -z $screen_name_reset ]] && return + [[ -z $window_reset ]] && return # Reset the window name to 'zsh'. - print -n "\ekzsh\e\\" + if [[ -n $SSH_CONNECTION ]]; then + window_title "@zsh" + elif [[ -n $window_root ]]; then + window_title "!zsh" + else + window_title "zsh" + fi # Just reset the name, so no screen reset necessary for the moment. - screen_name_reset= + 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 screen_preexec - add-zsh-hook precmd screen_precmd + add-zsh-hook preexec window_preexec + add-zsh-hook precmd window_precmd fi @@ -180,27 +278,40 @@ 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 + +# 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 -# Use cache to speed up completions. -zstyle ':completion:*' use-cache on -zstyle ':completion:*' cache-path ~/.zsh/cache # 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}' -# Ignore completion functions. -zstyle ':completion:*:functions' ignored-patterns '_*' -# Ignore parent directory. -zstyle ':completion:*:(cd|mv|cp):*' ignore-parents parent pwd + # 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 @@ -211,12 +322,15 @@ zstyle ':completion:*:(hg|git)*:*' ignore-line yes # CUSTOM ALIASES AND FUNCTIONS -# 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. +# Make sure aliases are expanded when using sudo. +alias sudo='sudo ' + +# Global aliases for often used commands used in the command line. +alias -g E='2>&1' +alias -g L='E | less' +alias -g D='E | colordiff L' alias -g G='| grep' +alias -g S='| sort' # Automatically use unified diffs. alias diff='diff -u' @@ -224,6 +338,9 @@ 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' @@ -236,8 +353,9 @@ alias m='mutt' alias v='vim' alias vi='vim' -# Exit binding like in Vim; I sometimes confuse editor and shell. -alias :q='exit' +# 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 @@ -249,8 +367,9 @@ 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). +# 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 @@ -286,12 +405,27 @@ TRAPINT() { return $1 } -# Display TODOs stored in ~/.todo if this file exists. -todo() { - if [[ -f ~/.todo ]]; then - cat ~/.todo | $PAGER +# Colorize stderr. Very useful when looking for errors. Thanks to +# http://gentoo-wiki.com/wiki/Zsh +exec 2>>(while read line; do + print '\e[91m'${(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. @@ -300,3 +434,5 @@ source_config ~/.zsh os rc $(uname) nolocal source_config ~/.zsh host rc ${$(hostname)//.*/} source_debug "finished sourcing ~/.zsh/rc" + +# vim: ft=zsh