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promptline.sh
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promptline.sh
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#
# This shell prompt config file was created by promptline.vim
#
function __promptline_ps1 {
local slice_prefix slice_empty_prefix slice_joiner slice_suffix is_prompt_empty=1
# section "a" header
slice_prefix="${a_bg}${sep}${a_fg}${a_bg}${space}" slice_suffix="$space${a_sep_fg}" slice_joiner="${a_fg}${a_bg}${alt_sep}${space}" slice_empty_prefix="${a_fg}${a_bg}${space}"
[ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix"
# section "a" slices
__promptline_wrapper "$(hostname)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; }
# section "b" header
slice_prefix="${b_bg}${sep}${b_fg}${b_bg}${space}" slice_suffix="$space${b_sep_fg}" slice_joiner="${b_fg}${b_bg}${alt_sep}${space}" slice_empty_prefix="${b_fg}${b_bg}${space}"
[ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix"
# section "b" slices
__promptline_wrapper "$(if [[ -n ${ZSH_VERSION-} ]]; then print %n; elif [[ -n ${FISH_VERSION-} ]]; then printf "%s" "$USER"; else printf "%s" \\u; fi )" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; }
# section "c" header
slice_prefix="${c_bg}${sep}${c_fg}${c_bg}${space}" slice_suffix="$space${c_sep_fg}" slice_joiner="${c_fg}${c_bg}${alt_sep}${space}" slice_empty_prefix="${c_fg}${c_bg}${space}"
[ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix"
# section "c" slices
__promptline_wrapper "$(__promptline_cwd)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; }
__promptline_wrapper "$(__promptline_vcs_branch)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; }
# close sections
printf "%s" "${reset_bg}${sep}$reset$space"
}
function __promptline_vcs_branch {
local branch
local branch_symbol=" "
# git
if hash git 2>/dev/null; then
if branch=$( { git symbolic-ref --quiet HEAD || git rev-parse --short HEAD; } 2>/dev/null ); then
branch=${branch##*/}
printf "%s" "${branch_symbol}${branch:-unknown}"
return
fi
fi
return 1
}
function __promptline_cwd {
local dir_limit="3"
local truncation="⋯"
local first_char
local part_count=0
local formatted_cwd=""
local dir_sep=" "
local tilde="~"
local cwd="${PWD/#$HOME/$tilde}"
# get first char of the path, i.e. tilde or slash
[[ -n ${ZSH_VERSION-} ]] && first_char=$cwd[1,1] || first_char=${cwd::1}
# remove leading tilde
cwd="${cwd#\~}"
while [[ "$cwd" == */* && "$cwd" != "/" ]]; do
# pop off last part of cwd
local part="${cwd##*/}"
cwd="${cwd%/*}"
formatted_cwd="$dir_sep$part$formatted_cwd"
part_count=$((part_count+1))
[[ $part_count -eq $dir_limit ]] && first_char="$truncation" && break
done
printf "%s" "$first_char$formatted_cwd"
}
function __promptline_left_prompt {
local slice_prefix slice_empty_prefix slice_joiner slice_suffix is_prompt_empty=1
# section "a" header
slice_prefix="${a_bg}${sep}${a_fg}${a_bg}${space}" slice_suffix="$space${a_sep_fg}" slice_joiner="${a_fg}${a_bg}${alt_sep}${space}" slice_empty_prefix="${a_fg}${a_bg}${space}"
[ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix"
# section "a" slices
__promptline_wrapper "$(hostname)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; }
# section "b" header
slice_prefix="${b_bg}${sep}${b_fg}${b_bg}${space}" slice_suffix="$space${b_sep_fg}" slice_joiner="${b_fg}${b_bg}${alt_sep}${space}" slice_empty_prefix="${b_fg}${b_bg}${space}"
[ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix"
# section "b" slices
__promptline_wrapper "$(if [[ -n ${ZSH_VERSION-} ]]; then print %n; elif [[ -n ${FISH_VERSION-} ]]; then printf "%s" "$USER"; else printf "%s" \\u; fi )" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; }
# section "c" header
slice_prefix="${c_bg}${sep}${c_fg}${c_bg}${space}" slice_suffix="$space${c_sep_fg}" slice_joiner="${c_fg}${c_bg}${alt_sep}${space}" slice_empty_prefix="${c_fg}${c_bg}${space}"
[ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix"
# section "c" slices
__promptline_wrapper "$(__promptline_cwd)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; }
__promptline_wrapper "$(__promptline_vcs_branch)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; }
# close sections
printf "%s" "${reset_bg}${sep}$reset$space"
}
function __promptline_wrapper {
# wrap the text in $1 with $2 and $3, only if $1 is not empty
# $2 and $3 typically contain non-content-text, like color escape codes and separators
[[ -n "$1" ]] || return 1
printf "%s" "${2}${1}${3}"
}
function __promptline_right_prompt {
return
}
function __promptline {
local last_exit_code="${PROMPTLINE_LAST_EXIT_CODE:-$?}"
local esc=$'[' end_esc=m
if [[ -n ${ZSH_VERSION-} ]]; then
local noprint='%{' end_noprint='%}'
elif [[ -n ${FISH_VERSION-} ]]; then
local noprint='' end_noprint=''
else
local noprint='\[' end_noprint='\]'
fi
local wrap="$noprint$esc" end_wrap="$end_esc$end_noprint"
local space=" "
local sep=""
local rsep=""
local alt_sep=""
local alt_rsep=""
local reset="${wrap}0${end_wrap}"
local reset_bg="${wrap}49${end_wrap}"
local a_fg="${wrap}38;5;22${end_wrap}"
local a_bg="${wrap}48;5;148${end_wrap}"
local a_sep_fg="${wrap}38;5;148${end_wrap}"
local b_fg="${wrap}38;5;247${end_wrap}"
local b_bg="${wrap}48;5;236${end_wrap}"
local b_sep_fg="${wrap}38;5;236${end_wrap}"
local c_fg="${wrap}38;5;231${end_wrap}"
local c_bg="${wrap}48;5;233${end_wrap}"
local c_sep_fg="${wrap}38;5;233${end_wrap}"
if [[ -n ${ZSH_VERSION-} ]]; then
PROMPT="$(__promptline_left_prompt)"
RPROMPT="$(__promptline_right_prompt)"
elif [[ -n ${FISH_VERSION-} ]]; then
if [[ -n "$1" ]]; then
[[ "$1" = "left" ]] && __promptline_left_prompt || __promptline_right_prompt
else
__promptline_ps1
fi
else
PS1="$(__promptline_ps1)"
fi
}
if [[ -n ${ZSH_VERSION-} ]]; then
if [[ ! ${precmd_functions[(r)__promptline]} == __promptline ]]; then
precmd_functions+=(__promptline)
fi
elif [[ -n ${FISH_VERSION-} ]]; then
__promptline "$1"
else
if [[ ! "$PROMPT_COMMAND" == *__promptline* ]]; then
PROMPT_COMMAND='__promptline;'$'\n'"$PROMPT_COMMAND"
fi
fi