Respect NO_COLOR environment variable

ko1 · st0012 · commit d0848773cccf · 2022-07-10T13:08:03.000+01:00
irb seems supported `NO_COLOR` so debug.gem also support it. ref: https://no-color.org/ ref: ruby/irb#105
diff --git a/lib/debug/config.rb b/lib/debug/config.rb
@@ -250,6 +250,7 @@ def self.parse_config_value name, valstr
     def self.parse_argv argv
       config = {
         mode: :start,
+        no_color: (nc = ENV['NO_COLOR']) && !nc.empty?,
       }
       CONFIG_MAP.each{|key, evname|
         if val = ENV[evname]

Original file line number	Diff line number	Diff line change
`@@ -250,6 +250,7 @@ def self.parse_config_value name, valstr`
`250`	`250`	`def self.parse_argv argv`
`251`	`251`	`config = {`
`252`	`252`	`mode: :start,`
	`253`	`+ no_color: (nc = ENV['NO_COLOR']) && !nc.empty?,`
`253`	`254`	`}`
`254`	`255`	`CONFIG_MAP.each{\|key, evname\|`
`255`	`256`	`if val = ENV[evname]`