fish-shell/share/functions/fish_config.fish
Mahmoud Al-Qudsi d0240e0fa0 fish_config: Pluralize $dir -> $dirs
It's a variable that holds all potential directories. The old name
makes it confusing to look at some of its usage sites and figure out
what is actually going on because they make no sense if $dir is only one
entry.
2022-10-22 13:23:44 -05:00

309 lines
14 KiB
Fish

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