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90 lines
3.3 KiB
Fish
90 lines
3.3 KiB
Fish
# 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 $fish_color_cwd)
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if command -sq cksum
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# randomized cwd color
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# We hash the physical PWD and turn that into a color. That means directories (usually) get different colors,
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# but every directory always gets the same color. It's deterministic.
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# We use cksum because 1. it's fast, 2. it's in POSIX, so it should be available everywhere.
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set -l shas (pwd -P | cksum | string split -f1 ' ' | math --base=hex | string sub -s 3 | string match -ra ..) 0 0 0
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# We get a fourth byte, just distribute it among the others.
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# Also increase the value a bit so we don't get super dark colors.
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# Really we want some contrast to the background (assuming black).
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set -l smear 0x30
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set -q shas[4]
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and set smear (math 0x$shas[4] / 3 + 0x30)
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set -l col (for f in $shas[1..3]; math --base=hex "min(255, 0x$f + $smear)"; end | string replace 0x '' | 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 $fish_color_error)"[$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 -l host (hostname)
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set prompt_host $usercolor$USER$normal@(set_color $fish_color_host)$host$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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