X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=etc%2Fzsh%2Fzshrc;h=1376e4edd08f8a7d3229ae77839cfef8e4df9567;hb=a1d579b427362ea438947190338debb26cfd7e78;hp=be62172c40d9a54e25a461adb095108715442900;hpb=e3f3b08c2e641279e80235e739c3136d8cccac49;p=grml-etc-core.git diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc index be62172..1376e4e 100644 --- a/etc/zsh/zshrc +++ b/etc/zsh/zshrc @@ -274,6 +274,83 @@ function zrcautoload() { return 0 } +# The following is the ‘add-zsh-hook’ function from zsh upstream. It is +# included here to make the setup work with older versions of zsh (prior to +# 4.3.7) in which this function had a bug that triggers annoying errors during +# shell startup. This is exactly upstreams code from f0068edb4888a4d8fe94def, +# with just a few adjustments in coding style to make the function look more +# compact. This definition can be removed as soon as we raise the minimum +# version requirement to 4.3.7 or newer. +function add-zsh-hook() { + # Add to HOOK the given FUNCTION. + # HOOK is one of chpwd, precmd, preexec, periodic, zshaddhistory, + # zshexit, zsh_directory_name (the _functions subscript is not required). + # + # With -d, remove the function from the hook instead; delete the hook + # variable if it is empty. + # + # -D behaves like -d, but pattern characters are active in the function + # name, so any matching function will be deleted from the hook. + # + # Without -d, the FUNCTION is marked for autoload; -U is passed down to + # autoload if that is given, as are -z and -k. (This is harmless if the + # function is actually defined inline.) + emulate -L zsh + local -a hooktypes + hooktypes=( + chpwd precmd preexec periodic zshaddhistory zshexit + zsh_directory_name + ) + local usage="Usage: $0 hook function\nValid hooks are:\n $hooktypes" + local opt + local -a autoopts + integer del list help + while getopts "dDhLUzk" opt; do + case $opt in + (d) del=1 ;; + (D) del=2 ;; + (h) help=1 ;; + (L) list=1 ;; + ([Uzk]) autoopts+=(-$opt) ;; + (*) return 1 ;; + esac + done + shift $(( OPTIND - 1 )) + if (( list )); then + typeset -mp "(${1:-${(@j:|:)hooktypes}})_functions" + return $? + elif (( help || $# != 2 || ${hooktypes[(I)$1]} == 0 )); then + print -u$(( 2 - help )) $usage + return $(( 1 - help )) + fi + local hook="${1}_functions" + local fn="$2" + if (( del )); then + # delete, if hook is set + if (( ${(P)+hook} )); then + if (( del == 2 )); then + set -A $hook ${(P)hook:#${~fn}} + else + set -A $hook ${(P)hook:#$fn} + fi + # unset if no remaining entries --- this can give better + # performance in some cases + if (( ! ${(P)#hook} )); then + unset $hook + fi + fi + else + if (( ${(P)+hook} )); then + if (( ${${(P)hook}[(I)$fn]} == 0 )); then + set -A $hook ${(P)hook} $fn + fi + else + set -A $hook $fn + fi + autoload $autoopts -- $fn + fi +} + # Load is-at-least() for more precise version checks Note that this test will # *always* fail, if the is-at-least function could not be marked for # autoloading. @@ -311,9 +388,6 @@ setopt extended_glob # display PID when suspending processes as well setopt longlistjobs -# try to avoid the 'zsh: no matches found...' -setopt nonomatch - # report the status of backgrounds jobs immediately setopt notify @@ -376,36 +450,35 @@ fi check_com() { emulate -L zsh local -i comonly gatoo + comonly=0 + gatoo=0 if [[ $1 == '-c' ]] ; then - (( comonly = 1 )) - shift + comonly=1 + shift 1 elif [[ $1 == '-g' ]] ; then - (( gatoo = 1 )) - else - (( comonly = 0 )) - (( gatoo = 0 )) + gatoo=1 + shift 1 fi if (( ${#argv} != 1 )) ; then - printf 'usage: check_com [-c] \n' >&2 + printf 'usage: check_com [-c|-g] \n' >&2 return 1 fi if (( comonly > 0 )) ; then - [[ -n ${commands[$1]} ]] && return 0 + (( ${+commands[$1]} )) && return 0 return 1 fi - if [[ -n ${commands[$1]} ]] \ - || [[ -n ${functions[$1]} ]] \ - || [[ -n ${aliases[$1]} ]] \ - || [[ -n ${reswords[(r)$1]} ]] ; then - + if (( ${+commands[$1]} )) \ + || (( ${+functions[$1]} )) \ + || (( ${+aliases[$1]} )) \ + || (( ${+reswords[(r)$1]} )) ; then return 0 fi - if (( gatoo > 0 )) && [[ -n ${galiases[$1]} ]] ; then + if (( gatoo > 0 )) && (( ${+galiases[$1]} )) ; then return 0 fi @@ -451,30 +524,6 @@ salias() { return 0 } -# a "print -l ${(u)foo}"-workaround for pre-4.2.0 shells -# usage: uprint foo -# Where foo is the *name* of the parameter you want printed. -# Note that foo is no typo; $foo would be wrong here! -if ! is42 ; then - uprint () { - emulate -L zsh - local -a u - local w - local parameter=$1 - - if [[ -z ${parameter} ]] ; then - printf 'usage: uprint \n' - return 1 - fi - - for w in ${(P)parameter} ; do - [[ -z ${(M)u:#$w} ]] && u=( $u $w ) - done - - builtin print -l $u - } -fi - # Check if we can read given files and source those we can. xsource() { if (( ${#argv} < 1 )) ; then @@ -547,14 +596,6 @@ export PAGER=${PAGER:-less} #v# export MAIL=${MAIL:-/var/mail/$USER} -# if we don't set $SHELL then aterm, rxvt,.. will use /bin/sh or /bin/bash :-/ -if [[ -z "$SHELL" ]] ; then - SHELL="$(which zsh)" - if [[ -x "$SHELL" ]] ; then - export SHELL - fi -fi - # color setup for ls: check_com -c dircolors && eval $(dircolors -b) # color setup for ls on OS X / FreeBSD: @@ -763,9 +804,16 @@ grmlcomp() { # command for process lists, the local web server details and host completion zstyle ':completion:*:urls' local 'www' '/var/www/' 'public_html' - # caching - [[ -d $ZSHDIR/cache ]] && zstyle ':completion:*' use-cache yes && \ - zstyle ':completion::complete:*' cache-path $ZSHDIR/cache/ + # Some functions, like _apt and _dpkg, are very slow. We can use a cache in + # order to speed things up + if [[ ${GRML_COMP_CACHING:-yes} == yes ]]; then + GRML_COMP_CACHE_DIR=${GRML_COMP_CACHE_DIR:-${ZDOTDIR:-$HOME}/.cache} + if [[ ! -d ${GRML_COMP_CACHE_DIR} ]]; then + command mkdir -p "${GRML_COMP_CACHE_DIR}" + fi + zstyle ':completion:*' use-cache yes + zstyle ':completion:*:complete:*' cache-path "${GRML_COMP_CACHE_DIR}" + fi # host completion if is42 ; then @@ -912,7 +960,7 @@ function Accept-Line-HandleContext() { function accept-line() { setopt localoptions noksharrays - local -ax cmdline + local -a cmdline local -x alcontext local buf com fname format msg default_action @@ -1538,8 +1586,6 @@ function command_not_found_handler() { # history -ZSHDIR=${ZDOTDIR:-${HOME}/.zsh} - #v# HISTFILE=${ZDOTDIR:-${HOME}}/.zsh_history isgrmlcd && HISTSIZE=500 || HISTSIZE=5000 @@ -1550,22 +1596,54 @@ isgrmlcd && SAVEHIST=1000 || SAVEHIST=10000 # useful for setopt append_history DIRSTACKSIZE=${DIRSTACKSIZE:-20} DIRSTACKFILE=${DIRSTACKFILE:-${ZDOTDIR:-${HOME}}/.zdirs} -if [[ -f ${DIRSTACKFILE} ]] && [[ ${#dirstack[*]} -eq 0 ]] ; then - dirstack=( ${(f)"$(< $DIRSTACKFILE)"} ) - # "cd -" won't work after login by just setting $OLDPWD, so - [[ -d $dirstack[1] ]] && cd $dirstack[1] && cd $OLDPWD -fi +if zstyle -T ':grml:chpwd:dirstack' enable; then + typeset -gaU GRML_PERSISTENT_DIRSTACK + function grml_dirstack_filter() { + local -a exclude + local filter entry + if zstyle -s ':grml:chpwd:dirstack' filter filter; then + $filter $1 && return 0 + fi + if zstyle -a ':grml:chpwd:dirstack' exclude exclude; then + for entry in "${exclude[@]}"; do + [[ $1 == ${~entry} ]] && return 0 + done + fi + return 1 + } -chpwd() { - if (( $DIRSTACKSIZE <= 0 )) || [[ -z $DIRSTACKFILE ]]; then return; fi - local -ax my_stack - my_stack=( ${PWD} ${dirstack} ) - if is42 ; then - builtin print -l ${(u)my_stack} >! ${DIRSTACKFILE} + chpwd() { + (( ZSH_SUBSHELL )) && return + (( $DIRSTACKSIZE <= 0 )) && return + [[ -z $DIRSTACKFILE ]] && return + grml_dirstack_filter $PWD && return + GRML_PERSISTENT_DIRSTACK=( + $PWD "${(@)GRML_PERSISTENT_DIRSTACK[1,$DIRSTACKSIZE]}" + ) + builtin print -l ${GRML_PERSISTENT_DIRSTACK} >! ${DIRSTACKFILE} + } + + if [[ -f ${DIRSTACKFILE} ]]; then + # Enabling NULL_GLOB via (N) weeds out any non-existing + # directories from the saved dir-stack file. + dirstack=( ${(f)"$(< $DIRSTACKFILE)"}(N) ) + # "cd -" won't work after login by just setting $OLDPWD, so + [[ -d $dirstack[1] ]] && cd -q $dirstack[1] && cd -q $OLDPWD + fi + + if zstyle -t ':grml:chpwd:dirstack' filter-on-load; then + for i in "${dirstack[@]}"; do + if ! grml_dirstack_filter "$i"; then + GRML_PERSISTENT_DIRSTACK=( + "${GRML_PERSISTENT_DIRSTACK[@]}" + $i + ) + fi + done else - uprint my_stack >! ${DIRSTACKFILE} + GRML_PERSISTENT_DIRSTACK=( "${dirstack[@]}" ) fi -} +fi # directory based profiles @@ -1969,7 +2047,10 @@ __EOF0__ function grml_prompt_setup () { emulate -L zsh autoload -Uz vcs_info - autoload -Uz add-zsh-hook + # The following autoload is disabled for now, since this setup includes a + # static version of the ‘add-zsh-hook’ function above. It needs to be + # reenabled as soon as that static definition is removed again. + #autoload -Uz add-zsh-hook add-zsh-hook precmd prompt_$1_precmd } @@ -2279,9 +2360,7 @@ function prompt_grml_precmd_worker () { grml_prompt_fallback() { setopt prompt_subst - precmd() { - (( ${+functions[vcs_info]} )) && vcs_info - } + local p0 p1 p0="${RED}%(?..%? )${WHITE}${debian_chroot:+($debian_chroot)}" p1="${BLUE}%n${NO_COLOR}@%m %40<...<%B%~%b%<< "'${vcs_info_msg_0_}'"%# " @@ -2290,7 +2369,6 @@ grml_prompt_fallback() { else PROMPT="${RED}${p0}${BLUE}${p1}" fi - unset p0 p1 } if zrcautoload promptinit && promptinit 2>/dev/null ; then @@ -2303,6 +2381,7 @@ if zrcautoload promptinit && promptinit 2>/dev/null ; then else print 'Notice: no promptinit available :(' grml_prompt_fallback + precmd() { (( ${+functions[vcs_info]} )) && vcs_info; } fi if is437; then @@ -2335,6 +2414,7 @@ if is437; then fi else grml_prompt_fallback + precmd() { (( ${+functions[vcs_info]} )) && vcs_info; } fi # Terminal-title wizardry @@ -2401,7 +2481,10 @@ function grml_control_xterm_title () { esac } -zrcautoload add-zsh-hook || add-zsh-hook () { :; } +# The following autoload is disabled for now, since this setup includes a +# static version of the ‘add-zsh-hook’ function above. It needs to be +# reenabled as soon as that static definition is removed again. +#zrcautoload add-zsh-hook || add-zsh-hook () { :; } if [[ $NOPRECMD -eq 0 ]]; then add-zsh-hook precmd grml_reset_screen_title add-zsh-hook precmd grml_vcs_to_screen_title @@ -2427,16 +2510,14 @@ hash -d www=/var/www if check_com -c screen ; then if [[ $UID -eq 0 ]] ; then if [[ -r /etc/grml/screenrc ]]; then - alias screen="${commands[screen]} -c /etc/grml/screenrc" + alias screen='screen -c /etc/grml/screenrc' fi - elif [[ -r $HOME/.screenrc ]] ; then - alias screen="${commands[screen]} -c $HOME/.screenrc" - else + elif [[ ! -r $HOME/.screenrc ]] ; then if [[ -r /etc/grml/screenrc_grml ]]; then - alias screen="${commands[screen]} -c /etc/grml/screenrc_grml" + alias screen='screen -c /etc/grml/screenrc_grml' else if [[ -r /etc/grml/screenrc ]]; then - alias screen="${commands[screen]} -c /etc/grml/screenrc" + alias screen='screen -c /etc/grml/screenrc' fi fi fi @@ -2626,11 +2707,10 @@ __EOF0__ fi fi -# Use hard limits, except for a smaller stack and no core dumps -unlimit -is425 && limit stack 8192 -isgrmlcd && limit core 0 # important for a live-cd-system -limit -s +if isgrmlcd; then + # No core dumps: important for a live-cd-system + limit -s core 0 +fi # grmlstuff grmlstuff() { @@ -2682,16 +2762,98 @@ is4 && nt() { freload() { while (( $# )); do; unfunction $1; autoload -U $1; shift; done } compdef _functions freload -#f1# List symlinks in detail (more detailed version of 'readlink -f' and 'whence -s') +# +# Usage: +# +# e.g.: a -> b -> c -> d .... +# +# sll a +# +# +# if parameter is given with leading '=', lookup $PATH for parameter and resolve that +# +# sll =java +# +# Note: limit for recursive symlinks on linux: +# http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/fs/namei.c?id=refs/heads/master#l808 +# This limits recursive symlink follows to 8, +# while limiting consecutive symlinks to 40. +# +# When resolving and displaying information about symlinks, no check is made +# that the displayed information does make any sense on your OS. +# We leave that decission to the user. +# +# The zstat module is used to detect symlink loops. zstat is available since zsh4. +# With an older zsh you will need to abort with in that case. +# When a symlink loop is detected, a warning ist printed and further processing is stopped. +# +# Module zstat is loaded by default in grml zshrc, no extra action needed for that. +# +# Known bugs: +# If you happen to come accross a symlink that points to a destination on an other partition +# with the same inode number, that will be marked as symlink loop though it is not. +# Two hints for this situation: +# I) Play lottery the same day, as you seem to be rather lucky right now. +# II) Send patches. +# +# return status: +# 0 upon success +# 1 file/dir not accesible +# 2 symlink loop detected +# +#f1# List symlinks in detail (more detailed version of 'readlink -f', 'whence -s' and 'namei -l') sll() { - [[ -z "$1" ]] && printf 'Usage: %s \n' "$0" && return 1 - local file - for file in "$@" ; do + if [[ -z ${1} ]] ; then + printf 'Usage: %s \n' "${0}" + return 1 + fi + + local file jumpd curdir + local -i RTN LINODE i + local -a SEENINODES + curdir="${PWD}" + RTN=0 + + for file in "${@}" ; do + SEENINODES=() + ls -l "${file:a}" || RTN=1 + while [[ -h "$file" ]] ; do - ls -l $file + if is4 ; then + LINODE=$(zstat -L +inode "${file}") + for i in ${SEENINODES} ; do + if (( ${i} == ${LINODE} )) ; then + builtin cd "${curdir}" + print "link loop detected, aborting!" + return 2 + fi + done + SEENINODES+=${LINODE} + fi + jumpd="${file:h}" + file="${file:t}" + + if [[ -d ${jumpd} ]] ; then + builtin cd "${jumpd}" || RTN=1 + fi file=$(readlink "$file") + + jumpd="${file:h}" + file="${file:t}" + + if [[ -d ${jumpd} ]] ; then + builtin cd "${jumpd}" || RTN=1 + fi + + ls -l "${PWD}/${file}" || RTN=1 done + shift 1 + if (( ${#} >= 1 )) ; then + print "" + fi + builtin cd "${curdir}" done + return ${RTN} } # TODO: Is it supported to use pager settings like this? @@ -2773,7 +2935,7 @@ fi # zsh profiling profile() { - ZSH_PROFILE_RC=1 $SHELL "$@" + ZSH_PROFILE_RC=1 zsh "$@" } #f1# Edit an alias via zle @@ -2789,12 +2951,12 @@ edfunc() { compdef _functions edfunc # use it e.g. via 'Restart apache2' -#m# f6 Start() \kbd{/etc/init.d/\em{process}}\quad\kbd{start} -#m# f6 Restart() \kbd{/etc/init.d/\em{process}}\quad\kbd{restart} -#m# f6 Stop() \kbd{/etc/init.d/\em{process}}\quad\kbd{stop} -#m# f6 Reload() \kbd{/etc/init.d/\em{process}}\quad\kbd{reload} -#m# f6 Force-Reload() \kbd{/etc/init.d/\em{process}}\quad\kbd{force-reload} -#m# f6 Status() \kbd{/etc/init.d/\em{process}}\quad\kbd{status} +#m# f6 Start() \kbd{service \em{process}}\quad\kbd{start} +#m# f6 Restart() \kbd{service \em{process}}\quad\kbd{restart} +#m# f6 Stop() \kbd{service \em{process}}\quad\kbd{stop} +#m# f6 Reload() \kbd{service \em{process}}\quad\kbd{reload} +#m# f6 Force-Reload() \kbd{service \em{process}}\quad\kbd{force-reload} +#m# f6 Status() \kbd{service \em{process}}\quad\kbd{status} if [[ -d /etc/init.d || -d /etc/service ]] ; then __start_stop() { local action_="${1:l}" # e.g Start/Stop/Restart @@ -2815,8 +2977,12 @@ if [[ -d /etc/init.d || -d /etc/service ]] ; then *) $SUDO "/etc/init.d/$service_" "${action_}" "$param_" ;; esac else - # sysvinit - $SUDO "/etc/init.d/$service_" "${action_}" "$param_" + # sysv/sysvinit-utils, upstart + if check_com -c service ; then + $SUDO service "$service_" "${action_}" "$param_" + else + $SUDO "/etc/init.d/$service_" "${action_}" "$param_" + fi fi } @@ -3137,10 +3303,8 @@ mkcd() { #f5# Create temporary directory and \kbd{cd} to it cdt() { - local t - t=$(mktemp -d) - echo "$t" - builtin cd "$t" + builtin cd "$(mktemp -d)" + builtin pwd } #f5# List files which have been accessed within the last {\it n} days, {\it n} defaults to 1 @@ -3306,8 +3470,10 @@ simple-extract() { WGET_CMD="curl -L -s -o -" elif check_com wget; then WGET_CMD="wget -q -O -" + elif check_com fetch; then + WGET_CMD="fetch -q -o -" else - print "ERROR: neither wget nor curl is installed" >&2 + print "ERROR: neither wget, curl nor fetch is installed" >&2 RC=$((RC+4)) continue fi @@ -3352,17 +3518,6 @@ _simple_extract() compdef _simple_extract simple-extract alias se=simple-extract -#f5# Set all ulimit parameters to \kbd{unlimited} -allulimit() { - ulimit -c unlimited - ulimit -d unlimited - ulimit -f unlimited - ulimit -l unlimited - ulimit -n unlimited - ulimit -s unlimited - ulimit -t unlimited -} - #f5# Change the xterm title from within GNU-screen xtrename() { emulate -L zsh