mirror of
https://github.com/fish-shell/fish-shell
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328 lines
15 KiB
Fish
328 lines
15 KiB
Fish
function fish_config --description "Launch fish's web based configuration"
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argparse h/help -- $argv
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or return
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if set -q _flag_help
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__fish_print_help fish_config
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return 0
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end
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set -l cmd $argv[1]
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set -e argv[1]
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set -q cmd[1]
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or set cmd browse
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# The web-based configuration UI
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# Also opened with just `fish_config` or `fish_config browse`.
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if contains -- $cmd browse
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set -lx __fish_bin_dir $__fish_bin_dir
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if set -l python (__fish_anypython)
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$python "$__fish_data_dir/tools/web_config/webconfig.py" $argv
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# If the execution of 'webconfig.py' fails, display python location and return.
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if test $status -ne 0
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echo "Please check if Python has been installed successfully."
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echo "You can find the location of Python by executing the 'command -s $python' command."
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return 1
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end
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else
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echo (set_color $fish_color_error)Cannot launch the web configuration tool:(set_color normal)
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echo (set_color -o)"fish_config browse"(set_color normal) requires Python.
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echo Installing python will fix this, and also enable completions to be
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echo automatically generated from man pages.\n
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echo To change your prompt, use (set_color -o)"fish_config prompt"(set_color normal) or create a (set_color -o)"fish_prompt"(set_color normal) function.
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echo To list the samples use (set_color -o)"fish_config prompt show"(set_color normal).\n
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echo You can tweak your colors by setting the (set_color $fish_color_search_match)\$fish_color_\*(set_color normal) variables.
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end
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return 0
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end
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if not contains -- $cmd prompt theme
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echo No such subcommand: $cmd >&2
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return 1
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end
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# Variables a theme is allowed to set
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set -l theme_var_filter '^fish_(?:pager_)?color.*$'
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switch $cmd
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case prompt
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# prompt - for prompt switching
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set -l cmd $argv[1]
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set -e argv[1]
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if contains -- $cmd list; and set -q argv[1]
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echo "Too many arguments" >&2
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return 1
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end
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set -l prompt_dir $__fish_data_dir/sample_prompts $__fish_data_dir/tools/web_config/sample_prompts
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switch $cmd
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case show
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set -l fish (status fish-path)
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set -l prompts $prompt_dir/$argv.fish
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set -q prompts[1]; or set prompts $prompt_dir/*.fish
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for p in $prompts
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if not test -e "$p"
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continue
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end
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set -l promptname (string replace -r '.*/([^/]*).fish$' '$1' $p)
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echo -s (set_color --underline) $promptname (set_color normal)
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$fish -c 'functions -e fish_right_prompt; source $argv[1];
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false
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fish_prompt
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echo (set_color normal)
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if functions -q fish_right_prompt;
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echo right prompt: (false; fish_right_prompt)
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end' $p
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echo
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end
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case list ''
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string replace -r '.*/([^/]*).fish$' '$1' $prompt_dir/*.fish
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return
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case choose
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if set -q argv[2]
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echo "Too many arguments" >&2
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return 1
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end
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if not set -q argv[1]
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echo "Too few arguments" >&2
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return 1
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end
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set -l have
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for f in $prompt_dir/$argv[1].fish
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if test -f $f
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source $f
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set have $f
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break
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end
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end
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if not set -q have[1]
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echo "No such prompt: '$argv[1]'" >&2
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return 1
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end
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# Erase the right prompt if it didn't have any.
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if functions -q fish_right_prompt; and test (functions --details fish_right_prompt) != $have[1]
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functions --erase fish_right_prompt
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end
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case save
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read -P"Overwrite prompt? [y/N]" -l yesno
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if string match -riq 'y(es)?' -- $yesno
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echo Overwriting
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# Skip the cp if unnecessary,
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# or we'd throw an error on a stock fish.
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path is $__fish_config_dir/functions/fish_prompt.fish
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and cp $__fish_config_dir/functions/fish_prompt.fish{,.bak}
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path is $__fish_config_dir/functions/fish_right_prompt.fish
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and cp $__fish_config_dir/functions/fish_right_prompt.fish{,.bak}
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set -l have
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if set -q argv[1]
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for f in $prompt_dir/$argv[1].fish
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if test -f $f
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set have $f
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# Set the functions to empty so we empty the file
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# if necessary.
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function fish_prompt
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end
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function fish_right_prompt
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end
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source $f
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or return 2
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end
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end
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if not set -q have[1]
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echo "No such prompt: '$argv[1]'" >&2
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return 1
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end
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end
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funcsave fish_prompt
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or return
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funcsave fish_right_prompt 2>/dev/null
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return
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else
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echo Not overwriting
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return 1
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end
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end
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return 0
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case theme
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# Selecting themes
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set -l cmd $argv[1]
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set -e argv[1]
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if contains -- $cmd list; and set -q argv[1]
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echo "Too many arguments" >&2
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return 1
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end
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set -l dirs $__fish_config_dir/themes $__fish_data_dir/tools/web_config/themes
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switch $cmd
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case list ''
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string replace -r '.*/([^/]*).theme$' '$1' $dirs/*.theme
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return
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case demo
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echo -ns (set_color $fish_color_command || set_color $fish_color_normal) /bright/vixens
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echo -ns (set_color normal) ' '
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echo -ns (set_color $fish_color_param || set_color $fish_color_normal) jump
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echo -ns (set_color normal) ' '
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echo -ns (set_color $fish_color_redirection || set_color $fish_color_normal) '|'
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echo -ns (set_color normal) ' '
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echo -ns (set_color $fish_color_quote || set_color $fish_color_normal) '"fowl"'
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echo -ns (set_color normal) ' '
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echo -ns (set_color $fish_color_redirection || set_color $fish_color_normal) '> quack'
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echo -ns (set_color normal) ' '
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echo -ns (set_color $fish_color_end || set_color $fish_color_normal) '&'
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set_color normal
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echo -s (set_color $fish_color_comment || set_color $fish_color_normal) ' # This is a comment'
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set_color normal
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echo -ns (set_color $fish_color_command || set_color $fish_color_normal) echo
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echo -ns (set_color normal) ' '
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echo -s (set_color $fish_color_error || set_color $fish_color_normal) "'" (set_color $fish_color_quote || set_color $fish_color_normal) "Errors are the portal to discovery"
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set_color normal
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echo -ns (set_color $fish_color_command || set_color $fish_color_normal) Th
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set_color normal
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set_color $fish_color_autosuggestion || set_color $fish_color_normal
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echo is an autosuggestion
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echo
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case show
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set -l fish (status fish-path)
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set -l themes $dirs/$argv.theme
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set -q themes[1]; or set themes $dirs/*.theme
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set -l used_themes
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echo -s (set_color normal; set_color --underline) Current (set_color normal)
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fish_config theme demo
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for t in $themes
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not test -e "$t"
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and continue
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set -l themename (string replace -r '.*/([^/]*).theme$' '$1' $t)
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contains -- $themename $used_themes
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and continue
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set -a used_themes $themename
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echo -s (set_color normal; set_color --underline) $themename (set_color normal)
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# Use a new, --no-config, fish to display the theme.
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# So we can use this function, explicitly source it before anything else!
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functions fish_config | $fish -C "source -" --no-config -c '
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fish_config theme choose $argv
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fish_config theme demo $argv
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' $themename
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end
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case choose save
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if set -q argv[2]
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echo "Too many arguments" >&2
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return 1
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end
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# The name of the theme to save *from* is optional for `fish_config theme save`
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if not set -q argv[1] && contains -- $cmd choose
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echo "Too few arguments" >&2
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return 1
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end
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set -l scope -g
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set -l have_colors
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if contains -- $cmd save
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read -P"Overwrite your current theme? [y/N] " -l yesno
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if not string match -riq 'y(es)?' -- $yesno
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echo Not overwriting >&2
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return 1
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end
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set scope -U
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end
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set -l known_colors fish_color_{normal,command,keyword,quote,redirection,\
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end,error,param,option,comment,selection,operator,escape,autosuggestion,\
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cwd,user,host,host_remote,cancel,search_match} \
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fish_pager_color_{progress,background,prefix,completion,description,\
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selected_background,selected_prefix,selected_completion,selected_description,\
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secondary_background,secondary_prefix,secondary_completion,secondary_description}
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# If we are choosing a theme or saving from a named theme, load the theme now.
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# Otherwise, we'll persist the currently loaded/themed variables (in case of `theme save`).
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if set -q argv[1]
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set -l files $dirs/$argv[1].theme
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set -l file
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for f in $files
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if test -e "$f"
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set file $f
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break
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end
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end
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if not set -q file[1]
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echo "No such theme: $argv[1]" >&2
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echo "Searched directories: $dirs" >&2
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return 1
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end
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while read -lat toks
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# The whitelist allows only color variables.
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# Not the specific list, but something named *like* a color variable.
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# This also takes care of empty lines and comment lines.
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string match -rq -- $theme_var_filter $toks[1]
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or continue
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# If we're supposed to set universally, remove any shadowing globals
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# so the change takes effect immediately (and there's no warning).
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if test x"$scope" = x-U; and set -qg $toks[1]
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set -eg $toks[1]
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end
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set $scope $toks
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set -a have_colors $toks[1]
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end <$file
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# Set all colors that aren't mentioned to empty
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for c in $known_colors
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contains -- $c $have_colors
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and continue
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# Erase conflicting global variables so we don't get a warning and
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# so changes are observed immediately.
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set -eg $c
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set $scope $c
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end
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else
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# We're persisting whatever current colors are loaded (maybe in the global scope)
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# to the universal scope, without overriding them from a theme file.
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# Like above, make sure to erase from other scopes first and ensure known color
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# variables are defined, even if empty.
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# This branch is only reachable in the case of `theme save` so $scope is always `-U`.
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for color in (printf "%s\n" $known_colors (set --names | string match -r $theme_var_filter) | sort -u)
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if set -q $color
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# Cache the value from whatever scope currently defines it
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set -l value $$color
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set -eg $color
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set -U $color $value
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end
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end
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end
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# If we've made it this far, we've either found a theme file or persisted the current
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# state (if any). In all cases we haven't failed, so return 0.
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return 0
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case dump
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# Write the current theme in .theme format, to stdout.
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set -L | string match -r $theme_var_filter
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case '*'
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echo "No such command: $cmd" >&2
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return 1
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end
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end
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end
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