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function theme_precmd {
PR_FILLBAR=""
PR_PWDLEN=""
local promptsize=${#${(%):--(%n@%M:)--(%l)-}}
local pwdsize=${#${(%):-%~}}
local gitbranchsize="${#${(%)$(git_prompt_info)}:-}"
local rvmpromptsize="${#${(%)$(ruby_prompt_info):-}}"
# Truncate the path if it's too long.
if (( promptsize + pwdsize + rvmpromptsize + gitbranchsize > COLUMNS )); then
(( PR_PWDLEN = COLUMNS - promptsize ))
else
PR_FILLBAR="\${(l.$(( COLUMNS - (promptsize + pwdsize + rvmpromptsize + gitbranchsize) ))..${PR_SPACE}.)}"
fi
}
function theme_preexec {
setopt local_options extended_glob
if [[ "$TERM" == "screen" ]]; then
local CMD=${1[(wr)^(*=*|sudo|-*)]}
echo -n "\ek$CMD\e\\"
fi
if [[ "$TERM" == "xterm" ]]; then
print -Pn "\e]0;$1\a"
fi
if [[ "$TERM" == "rxvt" ]]; then
print -Pn "\e]0;$1\a"
fi
}
autoload -U add-zsh-hook
add-zsh-hook precmd theme_precmd
add-zsh-hook preexec theme_preexec
# Set the prompt
# Need this so the prompt will work.
setopt prompt_subst
# See if we can use colors.
autoload zsh/terminfo
for color in RED GREEN YELLOW BLUE MAGENTA CYAN WHITE GREY; do
typeset -g PR_$color="%{$terminfo[bold]$fg[${(L)color}]%}"
typeset -g PR_LIGHT_$color="%{$fg[${(L)color}]%}"
done
PR_NO_COLOUR="%{$terminfo[sgr0]%}"
# Use extended characters to look nicer
PR_HBAR="-"
PR_ULCORNER="-"
PR_LLCORNER="-"
PR_LRCORNER="-"
PR_URCORNER="-"
# Modify Git prompt
ZSH_THEME_GIT_PROMPT_PREFIX=" ["
ZSH_THEME_GIT_PROMPT_SUFFIX="]"
# Modify RVM prompt
ZSH_THEME_RUBY_PROMPT_PREFIX=" ["
ZSH_THEME_RUBY_PROMPT_SUFFIX="]"
# Decide if we need to set titlebar text.
case $TERM in
xterm*|*rxvt*)
PR_TITLEBAR=$'%{\e]0;%(!.-=*[ROOT]*=- | .)%n@%M:%~ $(git_prompt_info) $(ruby_prompt_info) | ${COLUMNS}x${LINES} | %y\a%}'
;;
screen)
PR_TITLEBAR=$'%{\e_screen \005 (\005t) | %(!.-=[ROOT]=- | .)%n@%m:%~ | ${COLUMNS}x${LINES} | %y\e\\%}'
;;
*)
PR_TITLEBAR=""
;;
esac
# Decide whether to set a screen title
if [[ "$TERM" == "screen" ]]; then
PR_STITLE=$'%{\ekzsh\e\\%}'
else
PR_STITLE=""
fi
# Finally, the prompt.
PROMPT='$PR_SET_CHARSET$PR_STITLE${(e)PR_TITLEBAR}\
$PR_RED$PR_HBAR<\
$PR_BLUE%(!.$PR_RED%SROOT%s.%n)$PR_GREEN@$PR_BLUE%M:$PR_GREEN%$PR_PWDLEN<...<%~$PR_CYAN$(git_prompt_info)$(ruby_prompt_info)\
$PR_RED>$PR_HBAR${(e)PR_FILLBAR}\
$PR_RED$PR_HBAR<\
$PR_GREEN%l$PR_RED>$PR_HBAR\
$PR_RED$PR_HBAR<\
%(?..$PR_LIGHT_RED%?$PR_BLUE:)\
$PR_LIGHT_BLUE%(!.$PR_RED.$PR_WHITE)%#$PR_RED>$PR_HBAR\
$PR_NO_COLOUR '
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