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Add support for NO_COLOR environment variable #1207

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@AbstractBeliefs AbstractBeliefs commented Jan 26, 2018

When the NO_COLOR environment variable is present (with any value), disable
colour output. This can be overrident explicitly with the --color switch.

See also: http://no-color.org/

When the NO_COLOR environment variable is present (with any value), disable
colour output. This can be overrident explicitly with the `--color` switch.

See also: http://no-color.org/
@AbstractBeliefs
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@AbstractBeliefs AbstractBeliefs commented Jan 26, 2018

There's unfortunately no test for this: the test environment has colour suppression due to the tty detection, and because of this all colour tests have the --color switch, overriding the environment variable.

A test could be implemented by removing the --color switch and disabling tty detection with another new switch, but I'm not sure this is a helpful path to go down.

@ggreer ggreer closed this Jun 7, 2018
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@ggreer ggreer commented Jun 7, 2018

I don't mean to annoy you by closing this. It's just that we seem to disagree on the usefulness of this feature. People can read my reasons here: https://news.ycombinator.com/item?id=17244313

Sorry.

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