dotfiles/shells/zsh/lib/prompt.zsh

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pr_reset="%f%u%k%s%b" # reset all codes
pr_red="%F{red}"
pr_blue="%F{blue}"
pr_green="%F{green}"
pr_grey="%B%F{black}"
if [ "$(tput colors 2>/dev/null)" -eq 256 ]; then
pr_red="%F{52}"
pr_blue="%F{25}"
pr_green="%F{28}"
pr_grey="%F{59}"
fi
# VCS configuration
autoload vcs_info
zstyle ':vcs_info:*' enable git hg svn
zstyle ':vcs_info:*' get-revision true
zstyle ':vcs_info:*' formats "(%s) %b@%6>>%i%<<…" "%r" "%R" "%S"
zstyle ':vcs_info:*' actionformats "(%s) %b@%6>>%i%<<…|%U%a%%u"
zstyle ':vcs_info:*' branchformat "%b:%r"
zstyle ':vcs_info:hg*:*' use-simple true
zstyle ':vcs_info:svn:*' formats "(%s) %b:r%i" "%r"
zstyle ':vcs_info:svn:*' branchformat "%b"
# TODO:
# - Discover root of repo based on full path, not basename (to avoid underlining multiple path components) ($vcs_info_msg_2_)
function prompt_pwd() {
local repo="$vcs_info_msg_1_"
parts=(${(s:/:)${${PWD}/#${HOME}/\~}})
i=0
while (( i++ < ${#parts} )); do
part="$parts[i]"
if [[ "$part" == "$repo" ]]; then
# if this part of the path represents the repo,
# underline it, and skip truncating the component
parts[i]="%U$part%u"
else
# Shorten the path as long as it isn't the last piece
if [[ "$parts[${#parts}]" != "$part" ]]; then
parts[i]="$part[1,1]"
fi
fi
done
local prompt_path="${(j:/:)parts}"
if [ "$parts[1]" != "~" ]; then
prompt_path="/$prompt_path"
fi
echo "$prompt_path"
}
function prompt_pwd_new() {
local parts path part cwd i=0
typeset -L path
parts=(${(s:/:)${${PWD}/#${HOME}/\~}})
while (( i++ < ${#parts} )); do
part="$parts[i]"
if [[ "$part" == "~" ]]; then
path="$part"
else
# This check is broken because LHS is collapsed, RHS is expanded
if [[ "$path/$part" == "${vcs_info_msg_2_/#${HOME}/~}" ]]; then
part="%U$part%u"
elif [[ "$parts[${#parts}]" != "$part" ]]; then
part="$part[1,1]"
fi
path="$path/$part"
fi
# if [[ "$part" == "$repo" ]]; then
# # if this part of the path represents the repo,
# # underline it, and skip truncating the component
# parts[i]="%U$part%u"
# else
# # Shorten the path as long as it isn't the last piece
# if [[ "$parts[${#parts}]" != "$part" ]]; then
# parts[i]="$part[1,1]"
# fi
# fi
done
echo "$path"
}
function default_precmd {
if [ -z $INSIDE_EMACS ]; then
vcs_info
local cwd="$pr_blue`prompt_pwd`$pr_reset"
local char="%0(?.$pr_green.$pr_red)♪$pr_reset"
# local time="$pr_grey⌚ %*$pr_reset"
local ruby
ruby="$(current_ruby)"
[ "x$ruby" != "x" ] && ruby="$ruby"
local rev="$pr_grey$vcs_info_msg_0_$pr_reset"
rev="${rev/\(git\)}"
rev="${rev/\(hg\)/☿}"
rev="${rev/\(svn\)/↯}"
local left right
left=($(user_at_host) $cwd $char)
right=($rev $ruby $time)
PS1="$left "
RPS1=" $right"
else
PS1="$ "
RPS1=""
fi
}
function precmd {
default_precmd
}