# Zsh configuration file.
+# Copyright (C) 2011-2013 Simon Ruderich
+#
+# This file is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this file. If not, see <http://www.gnu.org/licenses/>.
-source_debug "sourcing ~/.zsh/rc"
-# MISCELLANEOUS SETTINGS
+source_debug '. ~/.zsh/rc'
+
+
+# Warn when creating global variables from inside a function. Needs to be set
+# before declaring a function.
+setopt warn_create_global
-# Use Vi(m) style key bindings.
-bindkey -v
-# Be paranoid, new files are readable/writable by me only.
-umask 077
+# HELPER FUNCTIONS
+
+# Return the name of the program which is called in the foreground with `fg`.
+# $1 is the name of the program (optional). If it's not 'fg' or 'fg *' it's
+# returned unchanged.
+zshrc_resolve_fg_to_resumed_job_name() {
+ # $REPLY is used by convention for scalars ($reply for arrays) to return
+ # values from functions. unset it here to prevent problems when REPLY is
+ # bound to an integer or similar. Thanks to Mikachu in #zsh on Freenode
+ # (2012-09-27 17:14 CEST) for this hint.
+ unset REPLY
+
+ # Replace fg with the resumed job name.
+ if [[ $1 == fg ]]; then
+ REPLY="${jobtexts[%+]}"
+ elif [[ $1 == fg\ * ]]; then
+ REPLY="${jobtexts[${1#fg }]}"
+ # Normal program, return as is.
+ else
+ REPLY="$1"
+ fi
+}
+
+
+# MISCELLANEOUS SETTINGS
+
+# Prevent warnings.
+typeset -g TMOUT
+# Load general shell setup commands. NOTE: Expand this when publishing the
+# config.
+source_config ~/.shell/rc
# Disable beeps.
setopt nobeep
# Enable zsh's extended glob abilities.
setopt extendedglob
-# Don't exit if <C-d> is pressed.
+# Don't exit if <C-D> is pressed. Prevents exiting the shell by accident (e.g.
+# pressing <C-D> twice).
setopt ignoreeof
+# KEY BINDINGS
+
+# Not all bindings are done here, only those not specific to a given section.
+
+# Use Vi(m) style key bindings.
+bindkey -v
+
+# Use jk to exit insert mode (jj is too slow).
+bindkey 'jk' vi-cmd-mode
+
+# I don't need the arrow keys, I use ^N and ^P for this (see below).
+bindkey -r '^[OA' '^[OB' '^[OC' '^[OD' '^[[A' '^[[B' '^[[C' '^[[D'
+# Also not in Vi mode.
+bindkey -a -r '^[OA' '^[OB' '^[OC' '^[OD' '^[[A' '^[[B' '^[[C' '^[[D'
+
+
# 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.
+# of a Zsh Git checkout. Use it to get the newest completions if available.
if [[ -d ~/.zsh/functions/completion ]]; then
fpath=(~/.zsh/functions/completion/*/*(/) $fpath)
fi
# Autoload my functions (except completion functions and hidden files). Thanks
# to caphuso from the Zsh example files for this idea.
if [[ -d ~/.zsh/functions ]]; then
- autoload ${fpath[1]}/^_*(^/:t)
+ autoload -Uz ${fpath[1]}/^_*(^/:t)
fi
# Simulate hooks using _functions arrays for Zsh versions older than 4.3.4. At
# the moment only precmd(), preexec() and chpwd() 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)
-
+if [[ $ZSH_VERSION != (4.3.<4->*|4.<4->*|<5->*) ]]; then
# Run all functions defined in the ${precmd,preexec,chpwd}_functions
# arrays.
function precmd() {
for function in $precmd_functions; do
- $function $@
+ $function "$@"
done
}
function preexec() {
for function in $preexec_functions; do
- $function $@
+ $function "$@"
done
}
function chpwd() {
for function in $chpwd_functions; do
- $function $@
+ $function "$@"
done
}
fi
-# Autoload add-zsh-hook to add/remove zsh hook functions easily.
-autoload -Uz add-zsh-hook
-
-# Load zmv (zsh move) which is powerful to rename files.
-autoload zmv
+# Load zmv (zsh move) which is a powerful file renamer.
+autoload -Uz zmv
# HISTORY SETTINGS
setopt incappendhistory
# If the same command is run multiple times store it only once in the history.
setopt histignoredups
+# Don't add lines starting with a space to the history.
+setopt histignorespace
# Vim like completions of previous executed commands (also enter Vi-mode). If
# called at the beginning it just recalls old commands (like cursor up), if
-# called after typing something, only lines starting with the typed are
-# returned. Very useful to get old commands quickly. Thanks to Mikachu in #zsh
-# on Freenode (2010-01-17 12:47) for the information how to a use function
-# with bindkey.
-zle -N my-vi-history-beginning-search-backward
-my-vi-history-beginning-search-backward() {
+# called after typing something, only lines starting with the typed text are
+# returned. Very useful to get old commands quickly - in addition to the
+# history commands (!..). Thanks to Mikachu in #zsh on Freenode (2010-01-17
+# 12:47 CET) for the information how to a use function with bindkey.
+zle -N zshrc-vi-history-beginning-search-backward
+zshrc-vi-history-beginning-search-backward() {
local not_at_beginning_of_line
if [[ $CURSOR -ne 0 ]]; then
not_at_beginning_of_line=yes
zle vi-forward-char
fi
}
-bindkey "^P" my-vi-history-beginning-search-backward
-bindkey -a "^P" history-beginning-search-backward # binding for Vi-mode
+bindkey '^P' zshrc-vi-history-beginning-search-backward
+bindkey -a '^P' history-beginning-search-backward # binding for Vi-mode
# Here only Vi-mode is necessary as ^P enters Vi-mode and ^N only makes sense
# after calling ^P.
-bindkey -a "^N" history-beginning-search-forward
+bindkey -a '^N' history-beginning-search-forward
+
+# Automatically push cd-ed directories on the directory stack.
+setopt autopushd
+# Don't push duplicates on the directory stack.
+setopt pushdignoredups
+# Exchange the meaning of + and - when specifying a directory on the stack.
+# This way cd -<Tab> lists the last used directory first, which is more
+# natural because cd - goes to the last directory.
+setopt pushdminus
# PROMPT SETTINGS
# Use colorized output, necessary for prompts and completions.
-autoload -U colors && colors
+autoload -Uz colors && colors
+
+# Necessary for $EPOCHSECONDS, the UNIX time.
+zmodload zsh/datetime
# Some shortcuts for colors. The %{...%} tells zsh that the data in between
-# doesn't need any space, necessary for correct prompt draw.
+# doesn't need any space, necessary for correct prompt drawing.
local red="%{${fg[red]}%}"
local blue="%{${fg[blue]}%}"
local green="%{${fg[green]}%}"
local yellow="%{${fg[yellow]}%}"
local default="%{${fg[default]}%}"
-# Set the default prompt. The current host and working directory is displayed,
-# the exit code of the last command if it wasn't 0, the number of running jobs
-# if not 0.
-#
-# The prompt is in green and blue to make easily detectable, the error exit
-# code in red and bold and the job count in yellow.
-PROMPT="$green%B%m%b$default:$blue%B%~%b$default \
-%(1j.$yellow%j$default.)%# \
-%(?..($red%B%?%b$default%) )"
-
# 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->*) ||
+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)
fi
- # 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
+ # Only look for certain VCS.
+ zstyle ':vcs_info:*' enable git
# Check the repository for changes so they can be used in %u/%c (see
# below). This comes with a speed penalty for bigger repositories.
- zstyle ':vcs_info:*' check-for-changes true
+ zstyle ':vcs_info:*' check-for-changes yes
# 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). Also display if there are unstaged or staged
# (%u/%c) changes.
- if [[ $ZSH_VERSION == (4.3.<11->|4.<4->*|<5->*) ||
+ if [[ $ZSH_VERSION == (4.3.<11->*|4.<4->*|<5->*) ||
-d ~/.zsh/functions/vcs_info ]]; then
zstyle ':vcs_info:*' formats \
- "($green%b%u%c$default:$blue%s$default)"
+ "(${green}%b%u%c${default}:${blue}%s${default}%m)" \
+ "${green}%u%c${default}"
zstyle ':vcs_info:*' actionformats \
- "($green%b%u%c$default/$red%a$default:$blue%s$default)"
+ "(${green}%b%u%c${default}/${red}%a${default}:${blue}%s${default}%m)" \
+ "${green}%u%c${default}"
else
# In older versions %u and %c are not defined yet and are not
# correctly expanded.
zstyle ':vcs_info:*' formats \
- "($green%b$default:$blue%s$default)"
+ "(${green}%b${default}:${blue}%s${default})"
zstyle ':vcs_info:*' actionformats \
- "($green%b$default/$red%a$default:$blue%s$default)"
+ "(${green}%b${default}/${red}%a${default}:${blue}%s${default})"
fi
# Set style for formats/actionformats when unstaged (%u) and staged (%c)
# changes are detected in the repository; check-for-changes must be set to
# true for this to work. Thanks to Bart Trojanowski
# (http://jukie.net/~bart/blog/pimping-out-zsh-prompt) for the idea
- # (2010-03-11 00:20).
+ # (2010-03-11 00:20 CET).
zstyle ':vcs_info:*' unstagedstr '¹'
zstyle ':vcs_info:*' stagedstr '²'
- # Call vcs_info as precmd before every prompt.
- prompt_precmd() {
- vcs_info
+ # Default to run vcs_info. If possible we prevent running it later for
+ # speed reasons. If set to a non empty value vcs_info is run.
+ zshrc_force_run_vcs_info=1
+
+ # Cache system inspired by Bart Trojanowski
+ # (http://jukie.net/~bart/blog/pimping-out-zsh-prompt).
+ zstyle ':vcs_info:*+pre-get-data:*' hooks pre-get-data
+ +vi-pre-get-data() {
+ # Only Git and Mercurial support and need caching. Abort if any other
+ # VCS is used.
+ [[ "$vcs" != git && "$vcs" != hg ]] && return
+
+ # If the shell just started up or we changed directories (or for other
+ # custom reasons) we must run vcs_info.
+ if [[ -n $zshrc_force_run_vcs_info ]]; then
+ zshrc_force_run_vcs_info=
+ return
+ fi
+
+ # Don't run vcs_info by default to speed up the shell.
+ ret=1
+ # If a git/hg command was run then run vcs_info as the status might
+ # need to be updated.
+ case "$(fc -ln $(($HISTCMD-1)))" in
+ git* | g\ *)
+ ret=0
+ ;;
+ hg*)
+ ret=0
+ ;;
+ esac
+ }
+
+ # Display number of WIP stashes (this excludes manually named commits
+ # which might be used for something else), thanks to
+ # http://eseth.org/2010/git-in-zsh.html (viewed on 2013-04-27) for the
+ # idea to display the stash count.
+ function +vi-git-stashes() {
+ if [[ -s ${hook_com[base]/.git/refs/stash} ]]; then
+ local -a stashes
+ # Thanks to Valodim in #zsh on Freenode (2013-07-01 14:14 CEST)
+ # for the solution to "grep" the output with (M) and :#(...).
+ stashes=( ${(M)${(f)"$(git stash list 2>/dev/null)"}:#(*WIP*)} )
+
+ if [[ ${#stashes} -gt 0 ]]; then
+ hook_com[misc]+=" ${yellow}${#stashes}s${default}"
+ fi
+ fi
}
- add-zsh-hook precmd prompt_precmd
-
- # Display the VCS information in the right prompt.
- 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 <ft@bewatermyfriend.org> for it.
+
+ # Apply hooks to Git.
+ zstyle ':vcs_info:git*+set-message:*' hooks git-stashes
+
+ # Must run vcs_info when changing directories.
+ prompt_chpwd() {
+ zshrc_force_run_vcs_info=1
+ }
+ chpwd_functions+=(prompt_chpwd)
+
+ # Used by prompt code below to determine if vcs_info should be run.
+ zshrc_use_vcs_info=1
+else
+ zshrc_use_vcs_info=
+fi
+
+typeset -a zshrc_longrun_data
+zshrc_longrun_data=()
+# Display runtime in seconds for long running programs (> 60 seconds) and send
+# a bell to notify me.
+zshrc_longrun_preexec() {
+ local program="$3"
+
+ # Handle fg.
+ local REPLY
+ zshrc_resolve_fg_to_resumed_job_name "$program"
+ program="$REPLY"
+
+ # Don't track the time for certain (possible) long running processes which
+ # need no automatic notification.
+ for ignore in elinks man mutt vim; do
+ case $program in
+ $ignore | $ignore\ *)
+ zshrc_longrun_data=()
+ return
+ ;;
+ esac
+ done
+
+ zshrc_longrun_data=("$program" $EPOCHSECONDS)
+}
+zshrc_longrun_precmd() {
+ # No previous timestamp available or disabled for this command, ignore.
+ if [[ -z $zshrc_longrun_data ]]; then
+ return
+ fi
+
+ local difference=$(( EPOCHSECONDS - zshrc_longrun_data[2] ))
+ if [[ $difference -gt 60 ]]; then
+ echo
+ echo -n "${fg[yellow]}"
+ echo -n "~> ${(V)zshrc_longrun_data[1]} took $difference seconds."
+ echo -n "${fg[default]}"
+ echo "\a" # send bell
+ fi
+
+ # Clear status. Prevents displaying old status information when pressing
+ # enter with an empty command line.
+ zshrc_longrun_data=()
+}
+preexec_functions+=(zshrc_longrun_preexec)
+precmd_functions+=(zshrc_longrun_precmd)
+
+# Set the prompt. A two line prompt is used. On the top left the current
+# working directory is displayed, on the right vcs_info (if available) and the
+# current time in hex. On the bottom left current user name and host is shown,
+# the exit code of the last command if it wasn't 0, the number of running jobs
+# if not 0.
+#
+# The prompt is in green and blue to make easily detectable, the error exit
+# code in red and bold and the job count in yellow. Designed for dark
+# terminals.
+#
+# Thanks to Adam's prompt for the basic idea of this prompt.
+zshrc_prompt_precmd() {
+ # Regex to remove elements which take no space. Used to calculate the
+ # width of the top prompt. Thanks to Bart's and Adam's prompt code in
+ # Functions/Prompts/prompt_*_setup.
+ local zero='%([BSUbfksu]|([FB]|){*})'
+
+ # Call vcs_info before every prompt.
+ if [[ -n $zshrc_use_vcs_info ]]; then
+ vcs_info
else
- RPROMPT='${vcs_info_msg_0_:- }'
+ vcs_info_msg_0_=
+ vcs_info_msg_1_=
fi
-fi
-unset red blue green yellow default
+ # Setup. Create variables holding the formatted content.
+
+ # Current directory in yellow, truncated if necessary (WIDTH is replaced
+ # below).
+ local directory="${yellow}%WIDTH<..<%~%<<${default}"
+ # Minimal information about the VCS, only displayed if there are
+ # unstaged/staged changes.
+ local vcs_staged="${vcs_info_msg_1_}"
+
+ # Information about the VCS in this directory.
+ local vcs="${vcs_info_msg_0_}"
+ # Current time (seconds since epoch) in Hex in bright blue.
+ local seconds="${blue}%B0x$(([##16] EPOCHSECONDS))%b${default}"
+
+ # User name (%n) in bright green.
+ local user="${green}%B%n%b${default}"
+ # Host name (%m) in bright green; underlined if running on a remote system
+ # through SSH.
+ local host="${green}%B%m%b${default}"
+ if [[ -n $SSH_CONNECTION ]]; then
+ host="%U${host}%u"
+ fi
-# When screen, xterm or rxvt is used set the name of the window to the
-# currently running program.
+ # Number of background processes in yellow if not zero.
+ local background="%(1j.${yellow}%j${default}.)"
+ # Exit code in bright red in parentheses if not zero.
+ local exitcode="%(?..(${red}%B%?%b${default}%) )"
+ # Prompt symbol, % for normal users, # in red for root.
+ local symbol="%(!.${red}#${default}.%%)"
+
+ # Prefix characters in first and second line.
+ local top_prefix="${blue}%B.-%b${default}"
+ local bottom_prefix="${blue}%B'%b${default}"
+
+ # Combine them to create the prompt.
+
+ local top_left="${vcs_staged}"
+ local top_right="${vcs}(${seconds})"
+
+ local width_top_prefix=${#${(S%%)top_prefix//$~zero/}}
+ local width_top_left=${#${(S%%)top_left//$~zero/}}
+ local width_top_right=${#${(S%%)top_right//$~zero/}}
+
+ # Calculate the maximum width of ${top_left}. -2 are the braces of
+ # ${top_left}, -1 is one separator from ${top_separator} (we want at least
+ # one between left and right parts).
+ local top_left_width_max=$((
+ COLUMNS - $width_top_prefix
+ - $width_top_left - 2
+ - 1
+ - $width_top_right
+ ))
+ # Truncate directory if necessary.
+ top_left="(${directory/WIDTH/${top_left_width_max}})${top_left}"
+ width_top_left=${#${(S%%)top_left//$~zero/}}
+
+ # Calculate the width of the top prompt to fill the middle with "-".
+ local width=$((
+ COLUMNS - width_top_prefix - width_top_left - width_top_right
+ ))
+ local top_separator="%B${blue}${(l:${width}::-:)}%b${default}"
+
+ PROMPT="${top_prefix}${top_left}${top_separator}${top_right}
+${bottom_prefix}${user}@${host} ${background}${symbol} ${exitcode}"
+}
+precmd_functions+=(zshrc_prompt_precmd)
+
+
+# When GNU screen, tmux, xterm or rxvt 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 window's name to 'zsh'.
+# stops precmd() resets the window's name to 'zsh'. 'fg' is supported and sets
+# the window's name to the resumed job.
#
-# It works with screen, xterm and rxvt.
+# It works with GNU screen, tmux, xterm and rxvt.
#
# 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
-# screen is running on the remote machine instead of @screen @:hostname
-# (hostname replaced by the machine's hostname) is displayed. This only works
-# if the .zshrc on the server also uses this command.
+# screen/tmux is running on the remote machine instead of @screen @:hostname
+# (or @tmux ..; hostname replaced by the machine's hostname) is displayed.
+# This only works if the .zshrc on the server also uses this command.
+#
+# screen* is necessary as `screen` uses screen.linux for example for a linux
+# console.
if [[ $TERM == screen* || $TERM == xterm* || $TERM == rxvt* ]]; then
# Is set to a non empty value to reset the window name in the next
# precmd() call.
- window_reset=yes
- # Is set to a non empty value when the shell is running as root.
- if [[ $(id -u) -eq 0 ]]; then
- window_root=yes
- fi
+ zshrc_window_reset=yes
- window_preexec() {
+ zshrc_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
+ # When sudo is used, use real program name instead, but with an
# exclamation mark at the beginning (handled below).
local program_sudo=
if [[ $program_name == sudo* ]]; then
program_name=${program_name#sudo }
program_sudo=yes
fi
+
+ # Handle fg.
+ local REPLY
+ zshrc_resolve_fg_to_resumed_job_name "$program_name"
+ program_name="$REPLY"
+
# 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|c) ]] && return
+ [[ $program_name == (cd*|d|ls|l|la|ll|clear|c) ]] && return
# Change my shortcuts so the real name of the program is displayed.
case $program_name in
# 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
+ if [[ -n $program_sudo || $UID -eq 0 ]]; then
program_name=!$program_name
fi
# If screen is running in SSH then display "@:hostname" as title
# in the term/outer screen.
- if [[ $program_name == @screen ]]; then
- program_name="@:${$(hostname)//.*/}"
+ if [[ $program_name == @screen || $program_name == @tmux ]]; then
+ program_name="@:${HOST//.*/}"
+ # Use "@:!hostname" for root screens.
+ elif [[ $program_name == @!screen || $program_name == @!tmux ]]; then
+ program_name="@:!${HOST//.*/}"
fi
fi
# Set the window name to the currently running program.
- window_title "$program_name"
+ zshrc_window_title "$program_name"
# Tell precmd() to reset the window name when the program stops.
- window_reset=yes
+ zshrc_window_reset=yes
}
- window_precmd() {
+ zshrc_window_precmd() {
# Abort if no window name reset is necessary.
- [[ -z $window_reset ]] && return
+ [[ -z $zshrc_window_reset ]] && return
# Reset the window name to 'zsh'.
- local name="zsh"
+ local name=zsh
# If the function was called with an argument then reset the window
# name to '.zsh' (used by clear alias).
if [[ -n $1 ]]; then
- name=".zsh"
+ name=.zsh
fi
- # Prepend prefixes like in window_preexec().
+ # Prepend prefixes like in zshrc_window_preexec().
+ if [[ $UID -eq 0 ]]; then
+ name="!$name"
+ fi
if [[ -n $SSH_CONNECTION ]]; then
- window_title "@$name"
- elif [[ -n $window_root ]]; then
- window_title "!$name"
- else
- window_title $name
+ name="@$name"
fi
+ zshrc_window_title $name
# Just reset the name, so no screen reset necessary for the moment.
- window_reset=
+ zshrc_window_reset=
}
- # Sets the window title. Works with screen, xterm and rxvt.
+ # Sets the window title. Works with GNU screen, tmux (which uses screen as
+ # TERM), xterm and rxvt. (V) escapes all non-printable characters, thanks
+ # to Mikachu in #zsh on Freenode (2010-08-07 17:09 CEST).
if [[ $TERM == screen* ]]; then
- window_title() {
- print -n "\ek$1\e\\"
+ zshrc_window_title() {
+ print -n "\ek${(V)1}\e\\"
}
elif [[ $TERM == xterm* || $TERM == rxvt* ]]; then
- window_title() {
- print -n "\e]2;$1\e\\"
+ zshrc_window_title() {
+ print -n "\e]2;${(V)1}\e\\"
}
+ else
+ # Fallback if another TERM is used.
+ zshrc_window_title() { }
fi
# Add the preexec() and precmd() hooks.
- add-zsh-hook preexec window_preexec
- add-zsh-hook precmd window_precmd
+ preexec_functions+=(zshrc_window_preexec)
+ precmd_functions+=(zshrc_window_precmd)
+else
+ # Fallback if another TERM is used, necessary to run screen (see below in
+ # "RUN COMMANDS").
+ zshrc_window_preexec() { }
fi
# COMPLETION SETTINGS
-# Load the complist module which provides additions to completion lists
-# (coloring, scrollable).
+# Load the complist module which provides additional features to completion
+# lists (coloring, scrolling).
zmodload zsh/complist
# Use new completion system, store dumpfile in ~/.zsh/cache to prevent
# cluttering of ~/. $fpath must be set before calling this. Thanks to Adlai in
-# #zsh on Freenode (2009-08-07 21:05) for reminding me of the $fpath problem.
-autoload -U compinit && compinit -d ~/.zsh/cache/zcompdump
+# #zsh on Freenode (2009-08-07 21:05 CEST) for reminding me of the $fpath
+# problem.
+autoload -Uz compinit && compinit -d ~/.zsh/cache/zcompdump
-# Use cache to speed up completions.
-zstyle ':completion:*' use-cache on
+# Use cache to speed up some slow completions (dpkg, perl modules, etc.).
+zstyle ':completion:*' use-cache yes
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 <TAB>
-# the first time.
+# Let the completion system handle all completions, including expanding of
+# shell wildcards (which is handled by other shell mechanisms if the default
+# expand-or-complete is used).
+bindkey '^I' complete-word
+# If there are multiple matches after pressing <Tab> always display them
+# immediately without requiring another <Tab>. a<Tab> completes to aa and
+# lists aaa, aab, aac as possible completions if the directory contains aaa,
+# aab, aac, bbb instead of only completing to aa.
setopt nolistambiguous
-# Allow completions in the middle of a text, i.e. "/usr/bin/<TAB>whatever"
-# completes like "/usr/bin/<TAB>". 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.
+# Support completions in the middle of a word, without this option zsh jumps
+# to the end of the word before the completion process begins. Is required for
+# the _prefix completer.
+setopt completeinword
+
+zstyle ':completion:::::' completer \
+ _expand _complete _prefix _ignored _approximate
+
+# Match specification to be tried when completing items. Each group ('...') is
+# tried after another if no matches were found, once matches are found no
+# other groups are tried. Thanks to Mikachu in #zsh on Freenode (2012-08-28
+# 18:48 CEST) for explanations.
+#
+# When matching also include the uppercase variant of typed characters
+# ('m:{a-z}={A-Z}'); using '' before this group would try the unmodified match
+# first, but I prefer to get all matches immediately (e.g. if Makefile and
+# makefile exist in the current directory echo m<tab> matches both, with '' it
+# would only match makefile because it found one match). This allows typing in
+# lowercase most of the time and completion fixes the case, which is faster.
+#
+# Don't perform these fixes in _approximate to prevent it from changing the
+# input too much. Thanks to the book "From Bash to Z Shell" page 249.
+zstyle ':completion:*:(^approximate):*' matcher-list 'm:{a-z}={A-Z}'
+
+# Allow one mistake per three characters. Thanks to the book "From Bash to Z
+# Shell" page 248.
+zstyle -e ':completion:*:approximate:*' max-errors \
+ 'reply=( $(( ($#PREFIX + $#SUFFIX) / 3 )) )'
+
+# Expand shell wildcards to all matching files after <Tab>. echo *<Tab>
+# results in a b c if the directory contains the files a, b, c. Thanks to the
+# book "From Bash to Z Shell" page 246.
+zstyle ':completion:*:expand:*' tag-order all-expansions
+# Keep prefixes unexpanded if possible: $HOME/<Tab> doesn't expand $HOME,
+# while $HOME<Tab> does.
+zstyle ':completion:*:expand:*' keep-prefix yes
+
+# When completing multiple path components display all matching ambiguous
+# components. For example /u/s/d/r/README<Tab> lists all matching READMEs
+# instead of just the matching paths up to the r/ component. Can be slow if
+# there are many matching files.
+zstyle ':completion:*' list-suffixes yes
+
+# 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:'
+# is no longer displayed. Display current position in percent (%p).
+zstyle ':completion:*:default' list-prompt '%p'
+# Display group name (%d) (like 'external command', 'alias', etc.), in bold.
+# Also display a message if _approximate found errors and no matches were
+# found.
+zstyle ':completion:*' format ' %B%d%b:'
+zstyle ':completion:*:corrections' format ' %B%d%b (errors: %e)'
+zstyle ':completion:*:warnings' format ' %Bno matches for %d%b'
# Display different types of matches separately.
zstyle ':completion:*' group-name ''
+# Separate man pages by section.
+zstyle ':completion:*' separate-sections yes
+
+# Don't draw trailing / in bold (new in zsh 4.3.11). Thanks to Mikachu in #zsh
+# on Freenode for the fix (2010-12-17 13:46 CET).
+zle_highlight=(suffix:none)
+
# Ignore completion functions.
zstyle ':completion:*:functions' ignored-patterns '_*'
# Ignore parent directory.
zstyle ':completion:*:(cd|mv|cp):*' ignore-parents parent pwd
-# Always complete one value (file name) only once in the current line. This
-# makes it easy to complete multiple values because I can just press tab to
-# get all possible values. Otherwise I would have to skip the first value
-# again and again.
-zstyle ':completion:*' ignore-line yes
+# Always complete file names only once in the current line. This makes it easy
+# to complete multiple file names because I can just press tab to get all
+# possible values. Otherwise I would have to skip the first value again and
+# again. Thanks to Mikachu in #zsh on Freenode (2011-08-11 14:42 CEST) for the
+# hint to use other. other is necessary so prefix<Tab> lists both prefix and
+# prefixrest if the directory contains prefix and prefixrest.
+zstyle ':completion:*:all-files' ignore-line other
# Except for mv and cp, because I often want to use to similar names, so I
# complete to the same and change it.
-zstyle ':completion:*:(mv|cp):*' ignore-line no
+zstyle ':completion:*:(mv|cp):all-files' ignore-line no
+
+# Don't complete ./config.* files, this makes running ./configure much
+# simpler. Thanks to Nomexous in #zsh on Freenode (2010-03-16 01:54 CET)
+zstyle ':completion:*:*:-command-:*' ignored-patterns './config.*'
+# Don't complete unwanted files with Vim. Thanks to Nomexous in #zsh on
+# Freenode (2010-06-06 04:54 CEST). See below for a way to complete them.
+zstyle ':completion:*:*:vim:*:all-files' ignored-patterns \
+ '*.aux' '*.log' '*.pdf' \
+ '*.class'
+
+# Provide a fallback completer which always completes files. Useful when Zsh's
+# completion is too "smart". Thanks to Frank Terbeck <ft@bewatermyfriend.org>
+# (http://www.zsh.org/mla/users/2009/msg01038.html).
+zle -C complete-files complete-word _generic
+zstyle ':completion:complete-files:*' completer _files
+bindkey '^F' complete-files
# CUSTOM ALIASES AND FUNCTIONS
# typing the command.
#
# Thanks to Vadim Zeitlin <vz-zsh@zeitlins.org> for a fix (--) so lines
-# starting with - don't cause errors.
+# starting with - don't cause errors; and to Nadav Har'El
+# <nyh@math.technion.ac.il> for a fix (-r) to handle whitespace/quotes
+# correctly, both on the Zsh mailing list.
TRAPINT() {
+ # Don't store this line in history if histignorespace is enabled and the
+ # line starts with a space.
+ if [[ -o histignorespace && ${BUFFER[1]} = " " ]]; then
+ return $1
+ fi
+
# Store the current buffer in the history.
- zle && print -s -- $BUFFER
+ zle && print -s -r -- $BUFFER
# Return the default exit code so Zsh aborts the current command.
return $1
}
-# Colorize stderr. Very useful when looking for errors. Thanks to
-# http://gentoo-wiki.com/wiki/Zsh for the basic script and Mikachu in #zsh on
-# Freenode (2010-03-07 04:03) for some improvements (-r, printf). It's not yet
-# perfect and doesn't work with some interactive stderr output, but in those
-# cases the E alias can be used as workaround.
-exec 2>>(while read -r line; do
- printf '\e[91m%s\e[0m\n' "$line"
- print -n $'\0';
-done &)
-
# Load aliases and similar functions also used by other shells.
if [[ -f ~/.shell/aliases ]]; then
. ~/.shell/aliases
# Make sure aliases are expanded when using sudo.
alias sudo='sudo '
-# Global aliases for often used commands in the command line.
+# Global aliases for often used redirections.
alias -g E='2>&1'
-alias -g L='E | less'
-alias -g D='E | colordiff L'
+alias -g N='>/dev/null'
+alias -g EN='2>/dev/null'
+alias -g L='2>&1 | less'
+alias -g LS='2>&1 | less -S' # -S prevents wrapping of long lines
+alias -g D='2>&1 | colordiff | less'
+# Global aliases for often used commands.
+alias -g A='| awk'
alias -g G='| grep'
-alias -g S='| sort'
-alias -g U='| uniq'
alias -g H='| head'
+alias -g P='| perl'
+alias -g S='| sort'
alias -g T='| tail'
+alias -g U='| uniq'
# Make going up directories simple.
alias -g ...='../..'
# is empty. I open so much windows that I don't know in which I have something
# important. This helps me to remember which windows are empty (I run clear
# after I finished my work in a window).
-if [[ -n $window_reset ]]; then
- alias clear='clear; window_reset=yes; window_precmd reset'
+if [[ -n $zshrc_window_reset ]]; then
+ alias clear='clear; zshrc_window_reset=yes; zshrc_window_precmd reset'
fi
+
+# CUSTOM COMMANDS
+
# Display all branches (except stash) in gitk but only 200 commits as this is
-# much faster. Also put in the background and disown. Thanks to sitaram in
-# #git on Freenode (2009-04-20 15:51).
-gitk() {
- command gitk \
- --max-count=200 \
- $(git rev-parse --symbolic-full-name --remotes --branches) \
- $@ &
+# much faster. Also put in the background and disown. Thanks to drizzd in #git
+# on Freenode (2010-04-03 17:55 CEST).
+(( $+commands[gitk] )) && gitk() {
+ command gitk --max-count=200 --branches --remotes --tags "$@" &
disown %command
}
# Same for tig (except the disown part as it's no GUI program).
-tig() {
- command tig \
- --max-count=200 \
- $(git rev-parse --symbolic-full-name --remotes --branches) \
- $@
+(( $+commands[tig] )) && tig() {
+ command tig --max-count=200 --branches --remotes --tags "$@"
}
+# Pipe output through less.
+(( $+commands[tree] )) && tree() {
+ command tree -C "$@" | less
+}
-# OS SPECIFIC SETTINGS
-
-if [[ $(uname) == Linux ]]; then
- # Settings when creating Debian packages.
- DEBEMAIL=simon@ruderich.org
- export DEBEMAIL
- DEBFULLNAME="Simon Ruderich"
- export DEBFULLNAME
-
-elif [[ $(uname) == Darwin ]]; then # Mac OS X
- # Store the current clipboard in CLIPBOARD before every command so it can
- # be used in commands.
- os_darwin_preexec() {
- export CLIPBOARD="$(pbpaste)"
+# Choose the "best" PDF viewer available: xpdf, then zathura (in the past
+# zathura was preferred, but recent versions are completely broken: still no
+# working search and no page-wise scrolling anymore). Also setup completion
+# for `pdf`.
+if (( $+commands[xpdf] )); then
+ pdf() {
+ command xpdf "$@" 2>/dev/null &
+ disown %command
+ }
+ compdef _xpdf pdf
+elif (( $+commands[zathura] )); then
+ pdf() {
+ command zathura "$@" 2>/dev/null &
+ disown %command
}
- # Add the function as preexec hook.
- add-zsh-hook preexec os_darwin_preexec
+ # No completion for zathura yet.
+ compdef _xpdf pdf
+fi
+
+# GHCI doesn't use readline, force it if rlwrap is available.
+(( $+commands[rlwrap] )) && ghci() {
+ command rlwrap \
+ --always-readline --complete-filenames -t dumb \
+ --histsize 5000 \
+ --file ~/.shell/rlwrap/ghci \
+ ghci "$@" 2>&1
+}
- # Initialize CLIPBOARD so it's available for completion directly after
- # startup.
- CLIPBOARD=""
- export CLIPBOARD
- # Fetch current URL in clipboard with wget.
- alias wnc='wget --no-proxy $CLIPBOARD'
+# OS SPECIFIC SETTINGS
+
+if [[ $OSTYPE == linux* ]]; then
+ # Settings when creating Debian packages.
+ export DEBEMAIL=simon@ruderich.org
+ export DEBFULLNAME='Simon Ruderich'
fi
# LOAD ADDITIONAL CONFIGURATION FILES
-# Load rc file for current hostname (first part before a dot) or rc.local.
-source_config ~/.zsh host rc ${$(hostname)//.*/}
+# Configuration options for rc.local.
+
+# Multiplexer to use. By default GNU screen is used. Possible values: screen,
+# tmux and empty (no multiplexer).
+zshrc_use_multiplexer=screen
+# Additional arguments for fortune.
+zshrc_fortune_arguments=()
+
+source_config ~/.zsh/rc.local
# 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
+# Make sure the multiplexer is available. Otherwise the exec terminates our
+# session.
+if [[ -n $zshrc_use_multiplexer ]]; then
+ if ! (( $+commands[$zshrc_use_multiplexer] )); then
+ echo "Multiplexer '$zshrc_use_multiplexer' not found." >&2
+ zshrc_use_multiplexer=
+ fi
+fi
+
+# If not already in screen or tmux, reattach to a running session or create a
+# new one. This also starts screen/tmux on a remote server when connecting
+# through ssh.
+if [[ $TERM != dumb && $TERM != linux && -z $STY && -z $TMUX ]]; then
# Get running detached sessions.
- session=$(screen -list | grep 'Detached' | awk '{ print $1; exit }')
+ if [[ $zshrc_use_multiplexer = screen ]]; then
+ session=$(screen -list | grep 'Detached' | awk '{ print $1; exit }')
+ elif [[ $zshrc_use_multiplexer = tmux ]]; then
+ session=$(tmux list-sessions 2>/dev/null \
+ | sed '/(attached)$/ d; s/^\([0-9]\{1,\}\).*$/\1/; q')
+ fi
+
+ # As we exec later we have to set the title here.
+ if [[ $zshrc_use_multiplexer = screen ]]; then
+ zshrc_window_preexec screen
+ elif [[ $zshrc_use_multiplexer = tmux ]]; then
+ zshrc_window_preexec tmux
+ fi
+
# Create a new session if none is running.
if [[ -z $session ]]; then
- screen
+ if [[ $zshrc_use_multiplexer = screen ]]; then
+ exec screen
+ elif [[ $zshrc_use_multiplexer = tmux ]]; then
+ exec tmux
+ fi
# Reattach to a running session.
else
- screen -r $session
+ if [[ $zshrc_use_multiplexer = screen ]]; then
+ exec screen -r $session
+ elif [[ $zshrc_use_multiplexer = tmux ]]; then
+ exec tmux attach-session -t $session
+ fi
fi
fi
+# Colorize stderr in bold red. Very useful when looking for errors. Thanks to
+# http://gentoo-wiki.com/wiki/Zsh for the basic script and Mikachu in #zsh on
+# Freenode (2010-03-07 04:03 CET) for some improvements (-r, printf). It's not
+# yet perfect and doesn't work with su and git for example, but it can handle
+# most interactive output quite well (even with no trailing new line) and in
+# cases it doesn't work, the E alias can be used as workaround.
+#
+# Moved in the "run commands" section to prevent one unnecessary zsh process
+# when starting GNU screen/tmux (see above).
+exec 2>>(while read -r -k -u 0 line; do
+ printf '\e[91m%s\e[0m' "$line"
+ print -n $'\0'
+done &)
+
+# Display possible log messages from ~/.xinitrc (if `xmessage` wasn't
+# installed). No race condition as xinitrc has finished before a shell is
+# executed and only one shell is started on login.
+if [[ -f ~/.xinitrc.errors ]]; then
+ echo "${fg_bold[red]}xinitrc failed!${fg_bold[default]}"
+ echo
+ cat ~/.xinitrc.errors
+ rm ~/.xinitrc.errors
+ echo
+fi
+
+# Run the following programs every 4 hours (and when zsh starts).
+PERIOD=14400
+periodic() {
+ # Display fortunes.
+ (( $+commands[fortune] )) && fortune -ac "${zshrc_fortune_arguments[@]}"
+ # Display reminders.
+ (( $+commands[rem] )) && [[ -f ~/.reminders ]] && rem -h
+}
+
+
+# RESTART SETTINGS
+
+zmodload -F zsh/stat b:zstat
+
+# Remember startup time. Used to perform automatic restarts when ~/.zshrc is
+# modified.
+zshrc_startup_time=$EPOCHSECONDS
+
+# Automatically restart Zsh if ~/.zshrc was modified.
+zshrc_restart_precmd() {
+ local stat
+ if ! zstat -A stat +mtime ~/.zshrc; then
+ return
+ fi
+
+ # ~/.zshrc wasn't modified, nothing to do.
+ if [[ $stat -le $zshrc_startup_time ]]; then
+ return
+ fi
+
+ local startup
+ strftime -s startup '%Y-%m-%d %H:%M:%S' "$zshrc_startup_time"
+
+ echo -n "${fg[magenta]}"
+ echo -n "~/.zshrc modified since startup ($startup) ... "
+ echo -n "${fg[default]}"
+
+ if [[ -n $zshrc_disable_restart ]]; then
+ echo 'automatic restart disabled.'
+ return
+ fi
+
+ # Don't exec if we have background processes because execing will let us
+ # lose control over them.
+ if [[ ${#${(k)jobstates}} -ne 0 ]]; then
+ echo 'active background jobs!'
+ return
+ fi
+
+ # Try to start a new interactive shell. If it fails, something is wrong.
+ # Don't kill our current session by execing it.
+ zsh -i -c 'exit 42'
+ if [[ $? -ne 42 ]]; then
+ echo -n "${fg_bold[red]}"
+ echo 'failed to start new zsh!'
+ echo -n "${fg_bold[default]}"
+ return
+ fi
+
+ echo 'restarting zsh.'
+ echo
+
+ exec zsh
+}
+precmd_functions+=(zshrc_restart_precmd)
+
-source_debug "finished sourcing ~/.zsh/rc"
+source_debug '. ~/.zsh/rc (done)'
# vim: ft=zsh
ruderich.org/simon / config / dotfiles.git / blobdiff