Support forcing color output on/off #799
Merged
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Closes #798
Introduce flag
--color
to control the colorization of diff output.Add flag to all commands that can output colorized diff text:
diff
apply
prune
--color
has 3 allowed values:auto
(default): colorize if stdout is a terminal (current behavior)always
: always colorize outputnever
: never colorize outputExample:
![tk-diff-color-always](https://user-images.githubusercontent.com/41255671/210906777-080f977e-ddd5-4ddd-9a24-aee4b40ccd47.png)
--color=always
Example:
![tk-diff-color-never](https://user-images.githubusercontent.com/41255671/210906839-a6079326-9ab4-4a14-bd9f-93fd38937739.png)
--color=never