fish-shell/share/tools/web_config/sample_prompts/disco.fish
Fabian Homborg f2364103b4 Sample prompts: Add a simplified version of my own prompt
Some features:

- A nice `►` prompt char with a fallback for non-utf8 systems
- The $PWD is colored depending on its sha, so different directories
  are colored differently, but each directory stays the same
- User@Host is only shown if not on the local machine (ssh or
  virtualization)
- A right prompt with a nice git display, date, duration of the last
  command (if it took over 100ms), and virtualenv
2021-04-21 17:01:05 +02:00

81 lines
2.6 KiB
Fish

# name: Disco
# author: Fabian Homborg
function fish_prompt
set -l last_status $status
set -l normal (set_color normal)
set -l usercolor (set_color $fish_color_user)
set -l delim \U25BA
# If we don't have unicode use a simpler delimiter
string match -qi "*.utf-8" -- $LANG $LC_CTYPE $LC_ALL; or set delim ">"
fish_is_root_user; and set delim "#"
set -l cwd (set_color $fish_color_cwd)
if command -sq sha256sum
# randomized cwd color
set -l shas (pwd -P | sha256sum | string sub -l 6 | string match -ra ..)
# Increase color a bit so we don't get super dark colors.
# Really we want some contrast to the background (assuming black).
set -l col (for f in $shas; math --base=hex "min(255, 0x$f + 0x30)"; end | string replace 0x '' | string pad -c 0 -w 2 | string join "")
set cwd (set_color $col)
end
# Prompt status only if it's not 0
set -l prompt_status
test $last_status -ne 0; and set prompt_status (set_color $fish_color_error)"[$last_status]$normal"
# Only show host if in SSH or container
# Store this in a global variable because it's slow and unchanging
if not set -q prompt_host
set -g prompt_host ""
if set -q SSH_TTY
or begin
command -sq systemd-detect-virt
and systemd-detect-virt -q
end
set -l host (hostname)
set prompt_host $usercolor$USER$normal@(set_color $fish_color_host)$host$normal":"
end
end
# Shorten pwd if prompt is too long
set -l pwd (prompt_pwd)
echo -n -s $prompt_host $cwd $pwd $normal $prompt_status $delim
end
function fish_right_prompt
set -g __fish_git_prompt_showdirtystate 1
set -g __fish_git_prompt_showuntrackedfiles 1
set -g __fish_git_prompt_showupstream informative
set -g __fish_git_prompt_showcolorhints 1
set -g __fish_git_prompt_use_informative_chars 1
# Unfortunately this only works if we have a sensible locale
string match -qi "*.utf-8" -- $LANG $LC_CTYPE $LC_ALL
and set -g __fish_git_prompt_char_dirtystate \U1F4a9
set -g __fish_git_prompt_char_untrackedfiles "?"
set -l vcs (fish_vcs_prompt 2>/dev/null)
set -l d (set_color brgrey)(date "+%R")(set_color normal)
set -l duration "$cmd_duration$CMD_DURATION"
if test $duration -gt 100
set duration (math $duration / 1000)s
else
set duration
end
set -q VIRTUAL_ENV_DISABLE_PROMPT
or set -g VIRTUAL_ENV_DISABLE_PROMPT true
set -q VIRTUAL_ENV
and set -l venv (string replace -r '.*/' '' -- "$VIRTUAL_ENV")
set_color reset
string join " " -- $venv $duration $vcs $d
end