# 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)
# 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
+# Simulate hooks using _functions arrays for Zsh versions older than 4.3.4. At
# the moment only precmd() and preexec() are simulated.
-if [[ $ZSH_VERSION != (4.3.<4->|4.<4->*|<5->*) ]]; then
+#
+# 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 [[ $ZSH_VERSION != (4.3.<5->|4.<4->*|<5->*) ]]; then
# Provide add-zsh-hook which was added in 4.3.4.
- fpath=($fpath ~/.zsh/functions/compatibility)
+ fpath=(~/.zsh/functions/compatibility $fpath)
# Run all functions defined in the ${precmd,preexec}_functions arrays.
function precmd() {
%(1j.%{${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
+ $fpath)
+ fi
+
# Allow substitutions and expansions in the prompt, necessary for
# vcs_info.
setopt promptsubst
add-zsh-hook precmd prompt_precmd
# Display the vcs information in the right prompt.
- RPROMPT='${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
+ # ${vcs_info_msg_0_} is empty. Provide a workaround for those versions,
+ # thanks to Frank Terbeck <ft@bewatermyfriend.org> for it.
+ else
+ RPROMPT='${vcs_info_msg_0_:- }'
+ fi
fi
# When screen or xterm is used set the name of the window to the currently
# 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
+# and stumpwm is running 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.
window_reset=yes
- # Set to a non empty value when the stump window manager is available.
- which stumpwm &> /dev/null
+ # Set to a non empty value when the stump window manager is running.
+ ps aux | grep -q stumpwm | grep -v grep
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_name=${program_name#sudo }
+ program_sudo=yes
fi
# Remove all arguments from the program name.
program_name=${program_name%% *}
;;
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.
window_title "$program_name"
[[ -z $window_reset ]] && return
# Reset the window name to 'zsh'.
- window_title "zsh"
+ 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.
window_reset=
# Sets the window title. Works with screen and xterm.
window_title() {
- if [[ $TERM == screen ]]; then
+ if [[ $TERM == screen* ]]; then
print -n "\ek$1\e\\"
# Update window name in stumpwm if running screen in X11 and when
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 <TAB>
# the first time.
setopt nolistambiguous
# 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 '_*'
# CUSTOM ALIASES AND FUNCTIONS
-# Make sure aliases are expanded when using sudo.
-alias sudo='sudo '
+# 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() {
+ # Store the current buffer in the history.
+ zle && print -s $BUFFER
-# 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'
+ # Return the default exit code so zsh aborts the current command.
+ return $1
+}
-# Automatically use unified diffs.
-alias diff='diff -u'
+# Colorize stderr. Very useful when looking for errors. Thanks to
+# http://gentoo-wiki.com/wiki/Zsh
+exec 2>>(while read line; do
+ print '\e[91m'${(q)line}'\e[0m' > /dev/tty; print -n $'\0'; done &)
-# Display all files and use human readable sizes.
-alias du='du -sh'
+# Make sure aliases are expanded when using sudo.
+alias sudo='sudo '
-# Use human readable sizes.
-alias df='df -h'
+# 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'
-# 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
+# Make going up directories simple.
+alias -g ...='../..'
+alias -g ....='../../..'
+alias -g .....='../../../..'
# Shortcuts for often used programs.
alias e='elinks'
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).
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() {
- # Store the current buffer in the history.
- zle && print -s $BUFFER
+# I sometimes confuse editor and shell, print a warning to prevent I exit the
+# shell.
+alias :q='echo "This is not Vim!" >&2'
- # Return the default exit code so zsh aborts the current command.
- return $1
-}
+# Automatically use unified diffs.
+alias diff='diff -u'
-# Display TODOs stored in ~/.todo if this file exists.
-todo() {
- if [[ -f ~/.todo ]]; then
- cat ~/.todo | $PAGER
- fi
-}
+# Display all files and use human readable sizes.
+alias du='du -sh'
-# Colorize stderr. Very useful when looking for errors. Thanks to
-# http://gentoo-wiki.com/wiki/Zsh
-exec 2>>(while read line; do
- print '\e[91m'${(q)line}'\e[0m' > /dev/tty; print -n $'\0'; done &)
+# Use human readable sizes.
+alias df='df -h'
+
+# 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"'
+
+# 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) \
+ $@ &
+ 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) \
+ $@
+}
# RUN COMMANDS
# If not already in screen reattach to a running session or create a new one.
-if [[ $TERM != 'screen' && $TERM != 'dumb' ]]; then
+#
+# screen* is necessary as `screen` uses screen.linux for example for a linux
+# console which would otherwise cause an infinite loop.
+if [[ $TERM != screen* && $TERM != 'dumb' ]]; then
+ # Get running detached sessions.
+ session=$(screen -list | grep 'Detached' | awk '{ print $1; exit }')
# Create a new session if none is running.
- if [[ $(screen -list | grep "Detached" | wc -l) == 0 ]]; then
+ if [[ -z $session ]]; then
screen
# Reattach to a running session.
else
- screen -r
+ screen -r $session
fi
fi