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check NO_COLOR envval

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Support `NO_COLOR` (https://no-color.org/) to make parsing output easy.
This commit is contained in:
Koichi Sasada 2022-12-26 21:57:27 +09:00
parent 9f2378959e
commit c182d46d24
Notes: git 2022-12-26 14:06:53 +00:00 
Merged: https://github.com/ruby/ruby/pull/7030
1 changed files with 3 additions and 1 deletions
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4
tool/lib/colorize.rb
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@ -33,9 +33,11 @@ class Colorize
"bold"=>"1", "underline"=>"4", "reverse"=>"7",
}
NO_COLOR = (nc = ENV['NO_COLOR']) && !nc.empty?
# colorize.decorate(str, name = color_name)
def decorate(str, name = @color)
if @colors and color = (@colors[name] || DEFAULTS[name])
if !NO_COLOR and @colors and color = (@colors[name] || DEFAULTS[name])
"#{@beg}#{color}m#{str}#{@reset}"
else
str