X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=zsh%2Frc;h=736fbcd4f82c4eeb4951cd1cd54dd5cded315a91;hb=62d757146f6bcf1f4951059769239db024144812;hp=a505a4e719f87e13b56df7ade9802bf1f1de2cf9;hpb=93efa29b0ab79b6552e9865d2e16c541dfca0e20;p=config%2Fdotfiles.git

diff --git a/zsh/rc b/zsh/rc
index a505a4e..736fbcd 100644
--- a/zsh/rc
+++ b/zsh/rc
@@ -1,6 +1,8 @@
 # Zsh configuration file.
 
 
+source_debug "sourcing ~/.zsh/rc"
+
 # MISCELLANEOUS SETTINGS
 
 # Use Vi(m) style key bindings.
@@ -9,9 +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
@@ -31,11 +30,46 @@ setopt extendedglob
 setopt ignoreeof
 
 
+# FUNCTION SETTINGS
+
+# Set correct fpath to allow loading my functions (including completion
+# functions).
+fpath=(~/.zsh/functions $fpath)
+# Autoload my functions (except completion functions and hidden files). Thanks
+# 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
+# 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
+
+
 # HISTORY SETTINGS
 
 # Use history and store it in ~/.zsh/history.
-HISTSIZE=1000
-SAVEHIST=1000
+HISTSIZE=5000
+SAVEHIST=5000
 HISTFILE=~/.zsh/history
 # Append to the history file instead of overwriting it and do it immediately
 # when a command is executed.
@@ -50,9 +84,6 @@ bindkey "^N" history-beginning-search-forward
 
 # PROMPT SETTINGS
 
-# Autoload add-zsh-hook to add/remove zsh hook functions easily.
-autoload -Uz add-zsh-hook
-
 # Use colorized output, necessary for prompts and completions.
 autoload -U colors && colors
 
@@ -95,19 +126,38 @@ if [[ $ZSH_VERSION == (4.3.<9->|4.<4->*|<5->*) ]]; then
     RPROMPT='${vcs_info_msg_0_}'
 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 [[ $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
 
-    screen_preexec() {
-        # Get the application name excluding any arguments.
-        local program_name=${1%% *}
+    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_sudo=yes
+        fi
+        # 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
@@ -130,58 +180,93 @@ if [[ $TERM == screen ]]; then
                 ;;
         esac
 
+        # Add an exclamation mark at the beginning if running with sudo.
+        if [[ $program_sudo == yes ]]; then
+            program_sudo=!$program_sudo
+        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\\"
+        window_title "zsh"
 
         # 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
 
 
 # COMPLETION SETTINGS
 
-# Use new completion system.
-autoload -U compinit && compinit
 # Load the complist module which provides additions to completion lists
 # (coloring, scrollable).
 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 <TAB>
 # the first time.
 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
-# 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
@@ -190,7 +275,10 @@ zstyle ':completion:*:unset:*' ignore-line yes
 zstyle ':completion:*:(hg|git)*:*' ignore-line yes
 
 
-# ALIAS AND FUNCTION SETTINGS
+# CUSTOM ALIASES AND FUNCTIONS
+
+# Make sure aliases are expanded when using sudo.
+alias sudo='sudo '
 
 # Simplify calls to less, automatically redirects all output.
 alias -g L='2>&1 | less'
@@ -205,8 +293,13 @@ alias diff='diff -u'
 # Display all files and use human readable sizes.
 alias du='du -sh'
 
-# Multiple files given to Vim are opened in tabs.
-alias vim='vim -p'
+# 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'
+fi
 
 # Shortcuts for often used programs.
 alias e='elinks'
@@ -215,8 +308,9 @@ 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
@@ -228,8 +322,9 @@ 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
@@ -272,8 +367,34 @@ todo() {
     fi
 }
 
+# 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.
 source_config ~/.zsh os rc $(uname) nolocal
 # Load rc file for current hostname (first part before a dot) or rc.local.
 source_config ~/.zsh host rc ${$(hostname)//.*/}
+
+source_debug "finished sourcing ~/.zsh/rc"
+
+# vim: ft=zsh