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feat: container indicator for fish shell (#1569)
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system_files/shared/usr/share/fish/vendor_functions.d/fish_prompt.fish
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function fish_prompt --description 'Default prompt with container detection' | ||
set -l last_pipestatus $pipestatus | ||
set -lx __fish_last_status $status # Export for __fish_print_pipestatus. | ||
set -l normal (set_color normal) | ||
set -q fish_color_status | ||
or set -g fish_color_status red | ||
set -g fish_color_user brgreen | ||
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# Color the prompt differently when we're root | ||
set -l color_cwd $fish_color_cwd | ||
set -l suffix '>' | ||
if functions -q fish_is_root_user; and fish_is_root_user | ||
if set -q fish_color_cwd_root | ||
set color_cwd $fish_color_cwd_root | ||
end | ||
set suffix '#' | ||
end | ||
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# Detect if we are in a container | ||
if test -n "$CONTAINER_ID" | ||
set -g prompt_host "[$CONTAINER_ID]" | ||
set -g prefix_icon "📦 " | ||
else | ||
set -g prompt_host "$hostname" | ||
set -g prefix_icon "" | ||
end | ||
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# Write pipestatus | ||
# If the status was carried over (if no command is issued or if `set` leaves the status untouched), don't bold it. | ||
set -l bold_flag --bold | ||
set -q __fish_prompt_status_generation; or set -g __fish_prompt_status_generation $status_generation | ||
if test $__fish_prompt_status_generation = $status_generation | ||
set bold_flag | ||
end | ||
set __fish_prompt_status_generation $status_generation | ||
set -l status_color (set_color $fish_color_status) | ||
set -l statusb_color (set_color $bold_flag $fish_color_status) | ||
set -l prompt_status (__fish_print_pipestatus "[" "]" "|" "$status_color" "$statusb_color" $last_pipestatus) | ||
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echo -n -s $prefix_icon (set_color $fish_color_user) "$USER" $normal "@" $prompt_host' ' (set_color $color_cwd) (prompt_pwd) $normal (fish_vcs_prompt) $normal " "$prompt_status $suffix " " | ||
end |