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.
# 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
typeset -ga ls_options
typeset -ga grep_options
+
+# Colors on GNU ls(1)
if ls --color=auto / >/dev/null 2>&1; then
ls_options+=( --color=auto )
+# Colors on FreeBSD and OSX ls(1)
elif ls -G / >/dev/null 2>&1; then
ls_options+=( -G )
fi
+
+# Natural sorting order on GNU ls(1)
+if ls -v / >/dev/null 2>&1; then
+ ls_options+=( -v )
+fi
+
+# Color on GNU and FreeBSD grep(1)
if grep --color=auto -q "a" <<< "a" >/dev/null 2>&1; then
grep_options+=( --color=auto )
fi
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 <parameter>\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 (( ${#argv} < 1 )) ; then
#v#
export MAIL=${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:
# 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 "${GRML_COMP_CACHE_DIR}"
+ fi
# host completion
if is42 ; then
function accept-line() {
setopt localoptions noksharrays
- local -ax cmdline
+ local -a cmdline
local -x alcontext
local buf com fname format msg default_action
# history
-ZSHDIR=${ZDOTDIR:-${HOME}/.zsh}
-
#v#
HISTFILE=${ZDOTDIR:-${HOME}}/.zsh_history
isgrmlcd && HISTSIZE=500 || HISTSIZE=5000
DIRSTACKSIZE=${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
+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}
- else
- uprint my_stack >! ${DIRSTACKFILE}
- fi
+ (( $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[@]}"
+ $i
+ )
+ fi
+ done
+else
+ GRML_PERSISTENT_DIRSTACK=( "${dirstack[@]}" )
+fi
+
# directory based profiles
if is433 ; then
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
}
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
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
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() {
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 <C-c> 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 <file(s)>\n' "$0" && return 1
- local file
- for file in "$@" ; do
+ if [[ -z ${1} ]] ; then
+ printf 'Usage: %s <symlink(s)>\n' "${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?
# zsh profiling
profile() {
- ZSH_PROFILE_RC=1 $SHELL "$@"
+ ZSH_PROFILE_RC=1 zsh "$@"
}
#f1# Edit an alias via zle
compdef _functions edfunc
# use it e.g. via 'Restart apache2'
-#m# f6 Start() \kbd{/etc/init.d/\em{process}}\quad\kbd{start}
-#m# f6 Restart() \kbd{/etc/init.d/\em{process}}\quad\kbd{restart}
-#m# f6 Stop() \kbd{/etc/init.d/\em{process}}\quad\kbd{stop}
-#m# f6 Reload() \kbd{/etc/init.d/\em{process}}\quad\kbd{reload}
-#m# f6 Force-Reload() \kbd{/etc/init.d/\em{process}}\quad\kbd{force-reload}
-#m# f6 Status() \kbd{/etc/init.d/\em{process}}\quad\kbd{status}
+#m# f6 Start() \kbd{service \em{process}}\quad\kbd{start}
+#m# f6 Restart() \kbd{service \em{process}}\quad\kbd{restart}
+#m# f6 Stop() \kbd{service \em{process}}\quad\kbd{stop}
+#m# f6 Reload() \kbd{service \em{process}}\quad\kbd{reload}
+#m# f6 Force-Reload() \kbd{service \em{process}}\quad\kbd{force-reload}
+#m# f6 Status() \kbd{service \em{process}}\quad\kbd{status}
if [[ -d /etc/init.d || -d /etc/service ]] ; then
__start_stop() {
local action_="${1:l}" # e.g Start/Stop/Restart
*) $SUDO "/etc/init.d/$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
}
#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
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
projects / grml-etc-core.git / blobdiff