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91
modules/fish/fish_prompt.fish
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91
modules/fish/fish_prompt.fish
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# name: Disco
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# author: Fabian Homborg
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function fish_prompt
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set -l last_status $status
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set -l normal (set_color normal)
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set -l usercolor (set_color $fish_color_user)
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set -l delim \U25BA
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# If we don't have unicode use a simpler delimiter
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string match -qi "*.utf-8" -- $LANG $LC_CTYPE $LC_ALL; or set delim ">"
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fish_is_root_user; and set delim "#"
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set -l cwd (set_color $fish_color_cwd)
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if command -sq cksum
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# randomized cwd color
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# We hash the physical PWD and turn that into a color. That means directories (usually) get different colors,
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# but every directory always gets the same color. It's deterministic.
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# We use cksum because 1. it's fast, 2. it's in POSIX, so it should be available everywhere.
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set -l shas (pwd -P | cksum | string split -f1 ' ' | math --base=hex | string sub -s 3 | string pad -c 0 -w 6 | string match -ra ..)
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set -l col 0x$shas[1..3]
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# If the (simplified idea of) luminance is below 120 (out of 255), add some more.
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# (this runs at most twice because we add 60)
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while test (math 0.2126 x $col[1] + 0.7152 x $col[2] + 0.0722 x $col[3]) -lt 120
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set col[1] (math --base=hex "min(255, $col[1] + 60)")
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set col[2] (math --base=hex "min(255, $col[2] + 60)")
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set col[3] (math --base=hex "min(255, $col[3] + 60)")
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end
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set -l col (string replace 0x '' $col | string pad -c 0 -w 2 | string join "")
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set cwd (set_color $col)
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end
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# Prompt status only if it's not 0
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set -l prompt_status
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test $last_status -ne 0; and set prompt_status (set_color $fish_color_status)"[$last_status]$normal"
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# Only show host if in SSH or container
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# Store this in a global variable because it's slow and unchanging
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if not set -q prompt_host
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set -g prompt_host ""
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if set -q SSH_TTY
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or begin
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command -sq systemd-detect-virt
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and systemd-detect-virt -q
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end
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set prompt_host $usercolor$USER$normal@(set_color $fish_color_host)$hostname$normal":"
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end
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end
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# Shorten pwd if prompt is too long
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set -l pwd (prompt_pwd)
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echo -n -s $prompt_host $cwd $pwd $normal $prompt_status $delim
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end
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function fish_right_prompt
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set -g __fish_git_prompt_showdirtystate 1
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set -g __fish_git_prompt_showuntrackedfiles 1
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set -g __fish_git_prompt_showupstream informative
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set -g __fish_git_prompt_showcolorhints 1
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set -g __fish_git_prompt_use_informative_chars 1
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# Unfortunately this only works if we have a sensible locale
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string match -qi "*.utf-8" -- $LANG $LC_CTYPE $LC_ALL
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and set -g __fish_git_prompt_char_dirtystate \U1F4a9
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set -g __fish_git_prompt_char_untrackedfiles "?"
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# The git prompt's default format is ' (%s)'.
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# We don't want the leading space.
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set -l vcs (fish_vcs_prompt '(%s)' 2>/dev/null)
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set -l d (set_color brgrey)(date "+%R")(set_color normal)
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set -l duration "$cmd_duration$CMD_DURATION"
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if test $duration -gt 100
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set duration (math $duration / 1000)s
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else
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set duration
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end
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set -q VIRTUAL_ENV_DISABLE_PROMPT
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or set -g VIRTUAL_ENV_DISABLE_PROMPT true
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set -q VIRTUAL_ENV
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and set -l venv (string replace -r '.*/' '' -- "$VIRTUAL_ENV")
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set_color normal
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string join " " -- $venv $duration $vcs $d
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end
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@ -34,6 +34,14 @@
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fish = {
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fish = {
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enable = true;
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enable = true;
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functions = {};
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};
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};
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home.file = {
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fish_prompt = {
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source = ../fish/fish_prompt.fish;
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target = ".config/fish/functions/fish_prompt.fish";
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};
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};
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};
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};
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