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# Switches
MINIMAL_PROMPT="${MINIMAL_PROMPT:-yes}"
MINIMAL_RPROMPT="${MINIMAL_RPROMPT:-yes}"
MINIMAL_MAGIC_ENTER="${MINIMAL_MAGIC_ENTER:-yes}"
# Parameters
MINIMAL_OK_COLOR="${MINIMAL_OK_COLOR:-2}"
MINIMAL_USER_CHAR="${MINIMAL_USER_CHAR:-λ}"
MINIMAL_INSERT_CHAR="${MINIMAL_INSERT_CHAR:-›}"
MINIMAL_NORMAL_CHAR="${MINIMAL_NORMAL_CHAR:-·}"
MINIMAL_PWD_LEN="${MINIMAL_PWD_LEN:-2}"
MINIMAL_PWD_CHAR_LEN="${MINIMAL_PWD_CHAR_LEN:-10}"
MINIMAL_MAGIC_ENTER_MARGIN="${MINIMAL_MAGIC_ENTER_MARGIN:- | }"
# check if function exists
function _isfn {
type -w "$1" | grep -wq function
}
# Extensions
if ! _isfn minimal_magic_output; then
function minimal_magic_output {
minimal_magic_output_base
}
fi
if ! _isfn minimal_vcs; then
function minimal_vcs {
# git
local statc="%{\e[0;3${MINIMAL_OK_COLOR}m%}" # assumes is clean
local bname="$(git rev-parse --abbrev-ref HEAD 2> /dev/null)"
if [ -n "$bname" ]; then
[ -n "$(git status --porcelain 2> /dev/null)" ] &&\
statc="%{\e[0;31m%}"
echo -n " $statc$bname%{\e[0m%}"
fi
}
fi
if ! _isfn minimal_env; then
function minimal_env {
# python virtual env
if [ -n "$VIRTUAL_ENV" ]; then
_venv="$(basename $VIRTUAL_ENV)"
echo -n "${_venv%%.*} "
fi
}
fi
# Setup
autoload -U colors && colors
setopt prompt_subst
_grey="\e[38;5;244m"
_greyp="%{$_grey%}"
# Left Prompt
function minimal_lprompt {
local user_status="%{\e[%(1j.4.0);3%(0?.$MINIMAL_OK_COLOR.1)m%}\
%(!.#.$MINIMAL_USER_CHAR)"
local kmstatus="$MINIMAL_INSERT_CHAR"
[ "$KEYMAP" = 'vicmd' ] && kmstatus="$MINIMAL_NORMAL_CHAR"
echo -n "$user_status%{\e[0m%} $kmstatus"
}
function minimal_ps2 {
local kmstatus="$MINIMAL_INSERT_CHAR"
local offset="$((${#_venv} + 2))"
[ "$KEYMAP" = 'vicmd' ] && kmstatus="$MINIMAL_NORMAL_CHAR"
printf " %.0s" {1..$offset}
echo -n "$kmstatus"
}
# Right Prompt
function minimal_path {
local w="%{\e[0m%}"
local cwd="%${MINIMAL_PWD_LEN}~"
local pi=""
local len="$MINIMAL_PWD_CHAR_LEN"
[ "$len" -lt 4 ] && len=4
local hlen=$((len / 2 - 1))
cwd="${(%)cwd}"
cwd=("${(@s:/:)cwd}")
for i in {1..${#cwd}}; do
pi="$cwd[$i]"
[ "${#pi}" -gt "$len" ] && cwd[$i]="${pi:0:$hlen}$w..$_greyp${pi: -$hlen}"
done
echo -n "$_greyp${(j:/:)cwd//\//$w/$_greyp}$w"
}
# Magic Enter
function minimal_infoline {
local last_err="$1"
local w="\e[0m"
local rn="\e[0;31m"
local rb="\e[1;31m"
local user_host_pwd="$_grey%n$w@$_grey%m$w:$_grey%~$w"
user_host_pwd="${${(%)user_host_pwd}//\//$w/$_grey}"
local v_files="$(ls -1 | sed -n '$=')"
local h_files="$(ls -1A | sed -n '$=')"
local job_n="$(jobs | sed -n '$=')"
local iline="[$user_host_pwd] [$_grey${v_files:-0}$w ($_grey${h_files:-0}$w)]"
[ "$job_n" -gt 0 ] && iline="$iline [$_grey$job_n$w&]"
if [ "$last_err" != "0" ]; then
iline="$iline \e[1;31m[\e[0;31m$last_err\e[1;31m]$w"
fi
echo "$iline"
}
function minimal_magic_output_base {
local margin="${#MINIMAL_MAGIC_ENTER_MARGIN}"
if [ "$(dirs -p | wc -l)" -gt 1 ]; then
local stack="$(dirs)"
echo "[${_grey}dirs\e[0m - ${_grey}${stack//\//\e[0m/$_grey}\e[0m]"
fi
if [ "$(uname)" = "Darwin" ] && ! ls --version &> /dev/null; then
COLUMNS=$((COLUMNS - margin)) CLICOLOR_FORCE=1 ls -C -G
else
ls -C --color="always" -w $((COLUMNS - margin))
fi
git -c color.status=always status -sb 2> /dev/null
}
function minimal_wrap_output {
local output="$1"
local output_len="$(echo "$output" | sed -n '$=')"
if [ -n "$output" ]; then
if [ "$output_len" -gt "$((LINES - 2))" -a -n "$PAGER" ]; then
printf "$output\n" | "$PAGER" -R
else
printf "$output\n" | sed "s/^/$MINIMAL_MAGIC_ENTER_MARGIN/"
fi
fi
}
function minimal_magic_enter {
local last_err="$?" # I need to capture this ASAP
if [ -z "$BUFFER" ]; then
minimal_infoline $last_err
minimal_wrap_output "$(minimal_magic_output)"
zle redisplay
else
zle accept-line
fi
}
# Apply Switches
if [ "$MINIMAL_PROMPT" = "yes" ]; then
# prompt redraw on vimode change
function reset_prompt {
zle reset-prompt
}
zle -N zle-line-init reset_prompt
zle -N zle-keymap-select reset_prompt
PROMPT='$(minimal_env)$(minimal_lprompt) '
PS2='$(minimal_ps2) '
[ "$MINIMAL_RPROMPT" = "yes" ] && RPROMPT='$(minimal_path)$(minimal_vcs)'
fi
if [ "$MINIMAL_MAGIC_ENTER" = "yes" ]; then
zle -N minimal-magic-enter minimal_magic_enter
bindkey -M main "^M" minimal-magic-enter
bindkey -M vicmd "^M" minimal-magic-enter
fi
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