source_debug ". ~/.zsh/rc"
+
+# 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.
+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
-# Be paranoid, new files are readable/writable by me only.
-umask 077
+# Be paranoid, new files are readable/writable by me only, but not as root.
+if [[ $UID -ne 0 ]]; then
+ umask 077
+fi
# 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
# 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
RUN_VCS_INFO=
fi
+typeset -a longrun_data
+longrun_data=()
+# Display runtime in seconds for long running programs (> 60 seconds) and send
+# a bell to notify me.
+longrun_preexec() {
+ local program="$3"
+
+ # Handle fg.
+ local REPLY
+ resolve_fg_to_resumed_job_name "$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 | $ignore\ *)
+ longrun_data=()
+ return
+ ;;
+ esac
+ done
+
+ longrun_data=("$program" $EPOCHSECONDS)
+}
+longrun_precmd() {
+ # No previous timestamp available or disabled for this command, ignore.
+ if [[ -z $longrun_data ]]; then
+ return
+ fi
+
+ local difference=$(( EPOCHSECONDS - longrun_data[2] ))
+ if [[ $difference -gt 60 ]]; then
+ echo
+ echo -n "${fg[yellow]}"
+ echo -n "~> ${(V)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.
+ longrun_data=()
+}
+preexec_functions+=(longrun_preexec)
+precmd_functions+=(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,
# 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.
+# 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.
prompt_precmd() {
vcs_info_msg_0_=
fi
- local width width_left width_right
- local top_left top_right
-
- # Display the current time in HEX in bright blue and vcs_info (if used) on
- # the right in the top prompt.
- top_right="$vcs_info_msg_0_($blue%B0x$(([##16] EPOCHSECONDS))%b$default)"
- width_right=${#${(S%%)top_right//$~zero/}}
- # Remove it if it would get too long.
- if [[ $(( COLUMNS - 4 - 1 - width_right )) -lt 0 ]]; then
- top_right=
- width_right=0
+ # Setup. Create variables holding the formatted content.
+
+ # Current directory in yellow, truncated if necessary (WIDTH is replaced
+ # below).
+ local directory="${yellow}%WIDTH<..<%~%<<${default}"
+
+ # Information about the VCS in this directory.
+ local vcs="${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
- # Display current directory on the left in the top prompt. Truncate the
- # directory if necessary.
- width=$(( COLUMNS - 4 - 1 - width_right ))
- top_left=".-$default%b($yellow%$width<..<%~%<<$default)%B$blue"
+ # 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}%) )"
+
+ # 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_right="${vcs}(${seconds})"
+
+ local width_top_prefix=${#${(S%%)top_prefix//$~zero/}}
+ local width_top_right=${#${(S%%)top_right//$~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 - 2 - 1 - $width_top_right
+ ))
+ # Truncate directory if necessary.
+ local top_left="(${directory/WIDTH/${top_left_width_max}})"
+ local width_top_left=${#${(S%%)top_left//$~zero/}}
# Calculate the width of the top prompt to fill the middle with "-".
- width_left=${#${(S%%)top_left//$~zero/}}
- width_right=${#${(S%%)top_right//$~zero/}}
- width=$(( COLUMNS - width_left - width_right ))
-
- PROMPT="$blue%B$top_left${(l:$width::-:)}%b$default$top_right
-$blue%B'%b$default\
-$green%B%n%b$default@$green%B%m%b$default %(1j.$yellow%j$default.)%# \
-%(?..($red%B%?%b$default%) )"
+ local width=$((
+ 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}%# ${exitcode}"
}
precmd_functions+=(prompt_precmd)
-# When screen, tmux, xterm or rxvt is used set the name of the window to the
-# currently running program.
+# 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'. 'fg' is supported and sets
# the window's name to the resumed job.
#
-# It works with screen, tmux, 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
# 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_sudo=yes
fi
- # Replace fg with the resumed job name.
- if [[ $program_name == fg ]]; then
- program_name=${jobtexts[%+]}
- elif [[ $program_name == fg\ * ]]; then
- program_name=${jobtexts[${program_name#fg }]}
- fi
+ # Handle fg.
+ local REPLY
+ resolve_fg_to_resumed_job_name "$program_name"
+ program_name="$REPLY"
# Remove all arguments from the program name.
program_name=${program_name%% *}
window_reset=
}
- # Sets the window title. Works with screen, tmux (which uses screen as
- # TERM), xterm and rxvt. (V) escapes all non-printable characters. Thanks
+ # 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 [[ $TERM == screen* ]]; then
window_title() {
alias -g L='2>&1 | less'
alias -g LS='2>&1 | less -S' # -S prevents wrapping of long lines
alias -g D='2>&1 | colordiff | less'
-# Global aliases for often used commands in the command line.
+# Global aliases for often used commands.
alias -g A='| awk'
alias -g G='| grep'
alias -g H='| head'
command tree -C "$@" | less
}
-# Choose the "best" PDF viewer available: zathura, then xpdf. Also setup
-# completion for `pdf`.
-if (( $+commands[zathura] )); then
+# 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 (( $+commands[xpdf] )); then
pdf() {
- command zathura "$@" 2>/dev/null &
+ command xpdf "$@" 2>/dev/null &
disown %command
}
- # No completion for zathura yet.
compdef _xpdf pdf
-elif (( $+commands[xpdf] )); then
+elif (( $+commands[zathura] )); then
pdf() {
- command xpdf "$@" 2>/dev/null &
+ command zathura "$@" 2>/dev/null &
disown %command
}
+ # No completion for zathura yet.
compdef _xpdf pdf
fi
# LOAD ADDITIONAL CONFIGURATION FILES
# Configuration option for rc.local to use GNU screen/tmux. By default GNU
-# screen is used. Possible values: screen, tmux.
+# screen is used. Possible values: screen, tmux and empty (no value).
use_multiplexer=screen
source_config ~/.zsh/rc.local
# cases it doesn't work, the E alias can be used as workaround.
#
# Moved in the "run commands" section to prevent one unnecessary zsh process
-# when starting screen/tmux (see above).
+# when starting GNU screen/tmux (see above).
exec 2>>(while read -r -k -u 0 line; do
printf '\e[91m%s\e[0m' "$line";
print -n $'\0';
done &)
-# Run reminder and redisplay it every four hours (if it's available).
+# Run the following programs every 4 hours (and when zsh starts).
PERIOD=14400
periodic() {
- (( $+commands[rem] )) && [ -f ~/.reminders ] && rem -h
+ # Display fortunes.
+ (( $+commands[fortune] )) && fortune -ac
+ # Display reminders.
+ (( $+commands[rem] )) && [[ -f ~/.reminders ]] && rem -h
}
ruderich.org/simon / config / dotfiles.git / blobdiff