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git-prompt.sh
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git-prompt.sh
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# don't set prompt if this is not interactive shell
[[ $- != *i* ]] && return
# bash version check
if [[ -z ${BASH_VERSION} || "${BASH_VERSINFO[0]}" -lt 4 ]]; then
echo "git-prompt requires bash-v4 or newer, git-prompt is not enabled."
return
fi
# clear vars from previous invocation
unset dir_color rc_color user_id_color root_id_color init_vcs_color clean_vcs_color
unset modified_vcs_color added_vcs_color addmoded_vcs_color untracked_vcs_color op_vcs_color detached_vcs_color hex_vcs_color
unset rawhex_len
# work around for conflict with vte.sh
unset VTE_VERSION
################################################################### CONFIG
##### read config file if any.
conf=git-prompt.conf; [[ -r $conf ]] && . $conf
conf=/etc/git-prompt.conf; [[ -r $conf ]] && . $conf
conf=~/.git-prompt.conf; [[ -r $conf ]] && . $conf
conf=~/.config/git-prompt.conf; [[ -r $conf ]] && . $conf
unset conf
##### set defaults if not set
git_module=${git_module:-on}
svn_module=${svn_module:-off}
hg_module=${hg_module:-on}
vim_module=${vim_module:-on}
virtualenv_module=${virtualenv_module:-on}
error_bell=${error_bell:-off}
cwd_cmd=${cwd_cmd:-\\w}
#### dir, rc, root color
cols=`tput colors` # in emacs shell-mode tput colors returns -1
if [[ -n "$cols" && $cols -ge 8 ]]; then # if terminal supports colors
dir_color=${dir_color:-CYAN}
rc_color=${rc_color:-red}
virtualenv_color=${virtualenv_color:-green}
user_id_color=${user_id_color:-blue}
root_id_color=${root_id_color:-magenta}
else # only B/W
dir_color=${dir_color:-bw_bold}
rc_color=${rc_color:-bw_bold}
fi
unset cols
#### prompt character, for root/non-root
prompt_char=${prompt_char:-'>'}
root_prompt_char=${root_prompt_char:-'>'}
#### vcs colors
init_vcs_color=${init_vcs_color:-WHITE} # initial
clean_vcs_color=${clean_vcs_color:-blue} # nothing to commit (working directory clean)
modified_vcs_color=${modified_vcs_color:-red} # Changed but not updated:
added_vcs_color=${added_vcs_color:-green} # Changes to be committed:
addmoded_vcs_color=${addmoded_vcs_color:-yellow}
untracked_vcs_color=${untracked_vcs_color:-BLUE} # Untracked files:
op_vcs_color=${op_vcs_color:-MAGENTA}
detached_vcs_color=${detached_vcs_color:-RED}
hex_vcs_color=${hex_vcs_color:-BLACK} # gray
max_file_list_length=${max_file_list_length:-100}
short_hostname=${short_hostname:-off}
upcase_hostname=${upcase_hostname:-on}
count_only=${count_only:-off}
rawhex_len=${rawhex_len:-5}
aj_max=20
##################################################################### post config
################# make PARSE_VCS_STATUS
unset PARSE_VCS_STATUS
[[ $git_module = "on" ]] && type git >&/dev/null && PARSE_VCS_STATUS+="parse_git_status"
[[ $svn_module = "on" ]] && type svn >&/dev/null && PARSE_VCS_STATUS+="${PARSE_VCS_STATUS+||}parse_svn_status"
[[ $hg_module = "on" ]] && type hg >&/dev/null && PARSE_VCS_STATUS+="${PARSE_VCS_STATUS+||}parse_hg_status"
PARSE_VCS_STATUS+="${PARSE_VCS_STATUS+||}return"
################# terminfo colors-16
#
# black? 0 8
# red 1 9
# green 2 10
# yellow 3 11
# blue 4 12
# magenta 5 13
# cyan 6 14
# white 7 15
#
# terminfo setaf/setab - sets ansi foreground/background
# terminfo sgr0 - resets all attributes
# terminfo colors - number of colors
#
################# Colors-256
# To use foreground and background colors:
# Set the foreground color to index N: \033[38;5;${N}m
# Set the background color to index M: \033[48;5;${M}m
# To make vim aware of a present 256 color extension, you can either set
# the $TERM environment variable to xterm-256color or use vim's -T option
# to set the terminal. I'm using an alias in my bashrc to do this. At the
# moment I only know of two color schemes which is made for multi-color
# terminals like urxvt (88 colors) or xterm: inkpot and desert256,
### if term support colors, then use color prompt, else bold
black='\['`tput sgr0; tput setaf 0`'\]'
red='\['`tput sgr0; tput setaf 1`'\]'
green='\['`tput sgr0; tput setaf 2`'\]'
yellow='\['`tput sgr0; tput setaf 3`'\]'
blue='\['`tput sgr0; tput setaf 4`'\]'
magenta='\['`tput sgr0; tput setaf 5`'\]'
cyan='\['`tput sgr0; tput setaf 6`'\]'
white='\['`tput sgr0; tput setaf 7`'\]'
BLACK='\['`tput setaf 0; tput bold`'\]'
RED='\['`tput setaf 1; tput bold`'\]'
GREEN='\['`tput setaf 2; tput bold`'\]'
YELLOW='\['`tput setaf 3; tput bold`'\]'
BLUE='\['`tput setaf 4; tput bold`'\]'
MAGENTA='\['`tput setaf 5; tput bold`'\]'
CYAN='\['`tput setaf 6; tput bold`'\]'
WHITE='\['`tput setaf 7; tput bold`'\]'
dim='\['`tput sgr0; tput setaf p1`'\]' # half-bright
bw_bold='\['`tput bold`'\]'
on=''
off=': '
bell="\[`eval ${!error_bell} tput bel`\]"
colors_reset='\['`tput sgr0`'\]'
# replace symbolic colors names to raw treminfo strings
init_vcs_color=${!init_vcs_color}
modified_vcs_color=${!modified_vcs_color}
untracked_vcs_color=${!untracked_vcs_color}
clean_vcs_color=${!clean_vcs_color}
added_vcs_color=${!added_vcs_color}
op_vcs_color=${!op_vcs_color}
addmoded_vcs_color=${!addmoded_vcs_color}
detached_vcs_color=${!detached_vcs_color}
hex_vcs_color=${!hex_vcs_color}
unset PROMPT_COMMAND
####### work around for MC bug.
####### specifically exclude emacs, want full when running inside emacs
if [[ -z "$TERM" || ("$TERM" = "dumb" && -z "$INSIDE_EMACS") || -n "$MC_SID" ]]; then
unset PROMPT_COMMAND
PS1="\w$prompt_char "
return 0
fi
#################################################################### MARKERS
if [[ "$LC_CTYPE $LC_ALL" =~ "UTF" && $TERM != "linux" ]]; then
elipses_marker="…"
else
elipses_marker="..."
fi
export who_where
cwd_truncate() {
# based on: https://www.blog.montgomerie.net/pwd-in-the-title-bar-or-a-regex-adventure-in-bash
# arg1: max path lenght
# returns abbrivated $PWD in public "cwd" var
cwd="${PWD/$HOME/~}" # substitute "~"
case $1 in
full)
return
;;
last)
cwd="${PWD##/*/}"
[[ "$PWD" == "$HOME" ]] && cwd="~"
return
;;
*)
;;
esac
# split path into: head='~/', truncateble middle, last_dir
local cwd_max_length=$1
if [[ "$cwd" =~ '(~?/)(.*/)([^/]*)$' ]] ; then # only valid if path have more than 1 dir
local path_head=${BASH_REMATCH[1]}
local path_middle=${BASH_REMATCH[2]}
local path_last_dir=${BASH_REMATCH[3]}
local cwd_middle_max=$(( $cwd_max_length - ${#path_last_dir} ))
[[ $cwd_middle_max < 0 ]] && cwd_middle_max=0
# trunc middle if over limit
if [[ ${#path_middle} -gt $(( $cwd_middle_max + ${#elipses_marker} + 5 )) ]]; then
# truncate
middle_tail=${path_middle:${#path_middle}-${cwd_middle_max}}
# trunc on dir boundary (trunc 1st, probably tuncated dir)
[[ $middle_tail =~ '[^/]*/(.*)$' ]]
middle_tail=${BASH_REMATCH[1]}
# use truncated only if we cut at least 4 chars
if [[ $(( ${#path_middle} - ${#middle_tail})) -gt 4 ]]; then
cwd=$path_head$elipses_marker$middle_tail$path_last_dir
fi
fi
fi
return
}
set_shell_label() {
xterm_label() {
local args="$*"
echo -n "]2;${args:0:200}" ; # FIXME: replace hardcodes with terminfo codes
}
screen_label() {
# FIXME: run this only if screen is in xterm (how to test for this?)
xterm_label "$plain_who_where $@"
# FIXME $STY not inherited though "su -"
[ "$STY" ] && screen -S $STY -X title "$*"
}
if [[ -n "$STY" ]]; then
screen_label "$*"
else
case $TERM in
screen*)
screen_label "$*"
;;
xterm* | rxvt* | gnome-* | konsole | eterm | wterm )
# is there a capability which we can to test
# for "set term title-bar" and its escapes?
xterm_label "$plain_who_where $@"
;;
*)
;;
esac
fi
}
export -f set_shell_label
###################################################### ID (user name)
id=`id -un`
id=${id#$default_user}
########################################################### TTY
tty=`tty`
tty=`echo $tty | sed "s:/dev/pts/:p:; s:/dev/tty::" ` # RH tty devs
tty=`echo $tty | sed "s:/dev/vc/:vc:" ` # gentoo tty devs
if [[ "$TERM" = "screen" ]] ; then
# [ "$WINDOW" = "" ] && WINDOW="?"
#
# # if under screen then make tty name look like s1-p2
# # tty="${WINDOW:+s}$WINDOW${WINDOW:+-}$tty"
# tty="${WINDOW:+s}$WINDOW" # replace tty name with screen number
tty="$WINDOW" # replace tty name with screen number
fi
# we don't need tty name under X11
case $TERM in
xterm* | rxvt* | gnome-terminal | konsole | eterm* | wterm | cygwin)
unset tty
;;
*)
;;
esac
dir_color=${!dir_color}
rc_color=${!rc_color}
virtualenv_color=${!virtualenv_color}
user_id_color=${!user_id_color}
root_id_color=${!root_id_color}
########################################################### HOST
### we don't display home host/domain $SSH_* set by SSHD or keychain
# How to find out if session is local or remote? Working with "su -", ssh-agent, and so on ?
## is sshd our parent?
# if { for ((pid=$$; $pid != 1 ; pid=`ps h -o pid --ppid $pid`)); do ps h -o command -p $pid; done | grep -q sshd && echo == REMOTE ==; }
#then
host=${HOSTNAME}
if [[ $short_hostname = "on" ]]; then
if [[ "$(uname)" =~ "CYGWIN" ]]; then
host=`hostname`
else
host=`hostname -s`
fi
fi
host=${host#$default_host}
uphost=`echo ${host} | tr a-z-. A-Z_`
if [[ $upcase_hostname = "on" ]]; then
host=${uphost}
fi
host_color=${uphost}_host_color
host_color=${!host_color}
if [[ -z $host_color && -x /usr/bin/cksum ]] ; then
cksum_color_no=`echo $uphost | cksum | awk '{print $1%6}'`
color_index=(green yellow blue magenta cyan white) # FIXME: bw, color-256
host_color=${color_index[cksum_color_no]}
fi
host_color=${!host_color}
# we might already have short host name
host=${host%.$default_domain}
#################################################################### WHO_WHERE
# [[user@]host[-tty]]
if [[ -n $id || -n $host ]] ; then
[[ -n $id && -n $host ]] && at='@' || at=''
color_who_where="${id}${host:+$host_color$at$host}${tty:+ $tty}"
plain_who_where="${id}$at$host"
# add trailing " "
color_who_where="$color_who_where "
plain_who_where="$plain_who_where "
# if root then make it root_color
if [ "$id" == "root" ] ; then
user_id_color=$root_id_color
prompt_char="$root_prompt_char"
fi
color_who_where="$user_id_color$color_who_where$colors_reset"
else
color_who_where=''
fi
parse_svn_status() {
[[ -d .svn ]] || return 1
vcs=svn
### get rev
eval `
svn info |
sed -n "
s@^URL[^/]*//@repo_dir=@p
s/^Revision: /rev=/p
"
`
### get status
unset status modified added clean init added mixed untracked op detached
eval `svn status 2>/dev/null |
sed -n '
s/^A... \([^.].*\)/modified=modified; modified_files[${#modified_files[@]}]=\"\1\";/p
s/^M... \([^.].*\)/modified=modified; modified_files[${#modified_files[@]}]=\"\1\";/p
s/^\?... \([^.].*\)/untracked=untracked; untracked_files[${#untracked_files[@]}]=\"\1\";/p
'
`
# TODO branch detection if standard repo layout
[[ -z $modified ]] && [[ -z $untracked ]] && clean=clean
vcs_info=svn:r$rev
}
parse_hg_status() {
# ☿
hg_root=`hg root 2>/dev/null` || return 1
vcs=hg
### get status
unset status modified added clean init added mixed untracked op detached
eval `hg status 2>/dev/null |
sed -n '
s/^M \([^.].*\)/modified=modified; modified_files[${#modified_files[@]}]=\"\1\";/p
s/^A \([^.].*\)/added=added; added_files[${#added_files[@]}]=\"\1\";/p
s/^R \([^.].*\)/added=added;/p
s/^! \([^.].*\)/modified=modified;/p
s/^? \([^.].*\)/untracked=untracked; untracked_files[${#untracked_files[@]}]=\\"\1\\";/p
'`
branch=`hg branch 2> /dev/null`
[[ -f $hg_root/.hg/bookmarks.current ]] && bookmark=`cat "$hg_root/.hg/bookmarks.current"`
[[ -z $modified ]] && [[ -z $untracked ]] && [[ -z $added ]] && clean=clean
vcs_info=${branch/default/D}
if [[ "$bookmark" ]] ; then
vcs_info+=/$bookmark
fi
}
parse_git_status() {
# TODO add status: LOCKED (.git/index.lock)
git_dir=`[[ $git_module = "on" ]] && git rev-parse --git-dir 2> /dev/null`
#git_dir=`eval \$$git_module git rev-parse --git-dir 2> /dev/null`
#git_dir=` git rev-parse --git-dir 2> /dev/null`
[[ -n ${git_dir/./} ]] || return 1
vcs=git
########################################################## GIT STATUS
added_files=()
modified_files=()
untracked_files=()
[[ $rawhex_len -gt 0 ]] && freshness="$dim="
unset branch status modified added clean init added mixed untracked op detached
# work around for VTE bug (hang on printf)
unset VTE_VERSION
# info not in porcelain status
eval " $(
git status 2>/dev/null |
sed -n '
s/^\(# \)*On branch /branch=/p
s/^nothing to commi.*/clean=clean/p
s/^\(# \)*Initial commi.*/init=init/p
s/^\(# \)*Your branch is ahead of \(.\).\+\1 by [[:digit:]]\+ commit.*/freshness=${WHITE}↑/p
s/^\(# \)*Your branch is behind \(.\).\+\1 by [[:digit:]]\+ commit.*/freshness=${YELLOW}↓/p
s/^\(# \)*Your branch and \(.\).\+\1 have diverged.*/freshness=${YELLOW}↕/p
'
)"
# porcelain file list
# TODO: sed-less -- http://tldp.org/LDP/abs/html/arrays.html -- Example 27-5
# git bug: (was reported to [email protected] )
# echo 1 > "with space"
# git status --porcelain
# ?? with space <------------ NO QOUTES
# git add with\ space
# git status --porcelain
# A "with space" <------------- WITH QOUTES
eval " $(
git status --porcelain 2>/dev/null |
sed -n '
s,^[MARC]. \([^\"][^/]*/\?\).*, added=added; [[ \" ${added_files[@]} \" =~ \" \1 \" ]] || added_files[${#added_files[@]}]=\"\1\",p
s,^[MARC]. \"\([^/]\+/\?\).*\"$, added=added; [[ \" ${added_files[@]} \" =~ \" \1 \" ]] || added_files[${#added_files[@]}]=\"\1\",p
s,^.[MAU] \([^\"][^/]*/\?\).*, modified=modified; [[ \" ${modified_files[@]} \" =~ \" \1 \" ]] || modified_files[${#modified_files[@]}]=\"\1\",p
s,^.[MAU] \"\([^/]\+/\?\).*\"$, modified=modified; [[ \" ${modified_files[@]} \" =~ \" \1 \" ]] || modified_files[${#modified_files[@]}]=\"\1\",p
s,^?? \([^\"][^/]*/\?\).*, untracked=untracked; [[ \" ${untracked_files[@]} \" =~ \" \1 \" ]] || untracked_files[${#untracked_files[@]}]=\"\1\",p
s,^?? \"\([^/]\+/\?\).*\"$, untracked=untracked; [[ \" ${untracked_files[@]} \" =~ \" \1 \" ]] || untracked_files[${#untracked_files[@]}]=\"\1\",p
' # |tee /dev/tty
)"
if ! grep -q "^ref:" "$git_dir/HEAD" 2>/dev/null; then
detached=detached
fi
################# GET GIT OP
unset op
if [[ -d "$git_dir/.dotest" ]] ; then
if [[ -f "$git_dir/.dotest/rebasing" ]] ; then
op="rebase"
elif [[ -f "$git_dir/.dotest/applying" ]] ; then
op="am"
else
op="am/rebase"
fi
elif [[ -f "$git_dir/.dotest-merge/interactive" ]] ; then
op="rebase -i"
# ??? branch="$(cat "$git_dir/.dotest-merge/head-name")"
elif [[ -d "$git_dir/.dotest-merge" ]] ; then
op="rebase -m"
# ??? branch="$(cat "$git_dir/.dotest-merge/head-name")"
# lvv: not always works. Should ./.dotest be used instead?
elif [[ -f "$git_dir/MERGE_HEAD" ]] ; then
op="merge"
# ??? branch="$(git symbolic-ref HEAD 2>/dev/null)"
elif [[ -f "$git_dir/index.lock" ]] ; then
op="locked"
else
[[ -f "$git_dir/BISECT_LOG" ]] && op="bisect"
# ??? branch="$(git symbolic-ref HEAD 2>/dev/null)" || \
# branch="$(git describe --exact-match HEAD 2>/dev/null)" || \
# branch="$(cut -c1-7 "$git_dir/HEAD")..."
fi
#### GET GIT HEX-REVISION
if [[ $rawhex_len -gt 0 ]] ; then
rawhex=`git rev-parse HEAD 2>/dev/null`
rawhex=${rawhex/HEAD/}
rawhex="$hex_vcs_color${rawhex:0:$rawhex_len}"
else
rawhex=""
fi
#### branch
branch=${branch/#master/M}
# another method of above:
# branch=$(git symbolic-ref -q HEAD || { echo -n "detached:" ; git name-rev --name-only HEAD 2>/dev/null; } )
# branch=${branch#refs/heads/}
### compose vcs_info
if [[ $init ]]; then
vcs_info=${white}init
else
if [[ "$detached" ]] ; then
branch="<detached:`git name-rev --name-only HEAD 2>/dev/null`"
elif [[ "$op" ]]; then
branch="$op:$branch"
if [[ "$op" == "merge" ]] ; then
branch+="<--$(git name-rev --name-only $(<$git_dir/MERGE_HEAD))"
fi
#branch="<$branch>"
fi
vcs_info="$branch$freshness$rawhex"
fi
}
parse_vcs_status() {
unset file_list modified_files untracked_files added_files
unset vcs vcs_info
unset status modified untracked added init detached
unset file_list modified_files untracked_files added_files
[[ $vcs_ignore_dir_list =~ $PWD ]] && return
eval $PARSE_VCS_STATUS
### status: choose primary (for branch color)
unset status
status=${op:+op}
status=${status:-$detached}
status=${status:-$clean}
status=${status:-$modified}
status=${status:-$added}
status=${status:-$untracked}
status=${status:-$init}
# at least one should be set
: ${status?prompt internal error: git status}
eval vcs_color="\${${status}_vcs_color}"
# no def: vcs_color=${vcs_color:-$WHITE} # default
### VIM
if [[ $vim_module = "on" ]] ; then
# equivalent to vim_glob=`ls .*.vim` but without running ls
unset vim_glob vim_file vim_files
old_nullglob=`shopt -p nullglob`
shopt -s nullglob
vim_glob=`echo .*.sw?`
eval $old_nullglob
if [[ $vim_glob ]]; then
set $vim_glob
#vim_file=${vim_glob#.}
if [[ $# > 1 ]] ; then
vim_files="*"
else
vim_file=${1#.}
vim_file=${vim_file/.sw?/}
[[ .${vim_file}.swp -nt $vim_file ]] && vim_files=$vim_file
fi
# if swap is newer, then this is unsaved vim session
# [temoto custom] if swap is older, then it must be deleted, so show all swaps.
fi
fi
### file list
unset file_list
if [[ $count_only = "on" ]] ; then
[[ ${added_files[0]} ]] && file_list+=" "${added_vcs_color}+${#added_files[@]}
[[ ${modified_files[0]} ]] && file_list+=" "${modified_vcs_color}*${#modified_files[@]}
[[ ${untracked_files[0]} ]] && file_list+=" "${untracked_vcs_color}?${#untracked_files[@]}
else
[[ ${added_files[0]} ]] && file_list+=" "$added_vcs_color${added_files[@]}
[[ ${modified_files[0]} ]] && file_list+=" "$modified_vcs_color${modified_files[@]}
[[ ${untracked_files[0]} ]] && file_list+=" "$untracked_vcs_color${untracked_files[@]}
fi
[[ ${vim_files} ]] && file_list+=" "${MAGENTA}vim:${vim_files}
if [[ ${#file_list} -gt $max_file_list_length ]] ; then
file_list=${file_list:0:$max_file_list_length}
if [[ $max_file_list_length -gt 0 ]] ; then
file_list="${file_list% *} $elipses_marker"
fi
fi
head_local="$vcs_color(${vcs_info}$vcs_color${file_list}$vcs_color)"
### fringes
head_local="${head_local+$vcs_color$head_local }"
#above_local="${head_local+$vcs_color$head_local\n}"
#tail_local="${tail_local+$vcs_color $tail_local}${dir_color}"
}
parse_virtualenv_status() {
unset virtualenv
[[ $virtualenv_module = "on" ]] || return 1
if [[ -n "$VIRTUAL_ENV" ]] ; then
virtualenv=`basename $VIRTUAL_ENV`
rc="$rc $virtualenv_color<$virtualenv> "
fi
}
disable_set_shell_label() {
trap - DEBUG >& /dev/null
}
# show currently executed command in label
enable_set_shell_label() {
disable_set_shell_label
# check for BASH_SOURCE being empty, no point running set_shell_label on every line of .bashrc
trap '[[ -z "$BASH_SOURCE" && ($BASH_COMMAND != prompt_command_function) ]] &&
set_shell_label $BASH_COMMAND' DEBUG >& /dev/null
}
declare -ft disable_set_shell_label
declare -ft enable_set_shell_label
# autojump (see http://wiki.github.com/joelthelion/autojump)
# TODO reverse the line order of a file
#awk ' { line[NR] = $0 }
# END { for (i=NR;i>0;i--)
# print line[i] }' listlogs
j (){
: ${1? usage: j dir-beginning}
# go in ring buffer starting from current index. cd to first matching dir
for (( i=(aj_idx-1)%aj_max; i != aj_idx%aj_max; i=(--i+aj_max)%aj_max )) ; do
if [[ ${aj_dir_list[$i]} =~ ^.*/$1[^/]*$ ]] ; then
cd "${aj_dir_list[$i]}"
return
fi
done
echo '?'
}
alias jumpstart='echo ${aj_dir_list[@]}'
###################################################################### PROMPT_COMMAND
prompt_command_function() {
rc="$?"
if [[ "$rc" == "0" ]]; then
rc=""
else
rc="$rc_color$rc$colors_reset$bell "
fi
cwd=${PWD/$HOME/\~} # substitute "~"
set_shell_label "${cwd##[/~]*/}/" # default label - path last dir
parse_virtualenv_status
parse_vcs_status
# autojump
if [[ ${aj_dir_list[aj_idx%aj_max]} != $PWD ]] ; then
aj_dir_list[++aj_idx%aj_max]="$PWD"
fi
# if cwd_cmd have back-slash, then assign it value to cwd
# else eval cwd_cmd, cwd should have path after exection
eval "${cwd_cmd/\\/cwd=\\\\}"
PS1="$colors_reset$rc$head_local$color_who_where$dir_color$cwd$tail_local$dir_color$prompt_char $colors_reset"
unset head_local tail_local pwd
}
PROMPT_COMMAND=prompt_command_function
enable_set_shell_label
unset rc id tty modified_files file_list
# vim: set ft=sh ts=8 sts=8 sw=8 et: