The sound distributed version control system

commands: add support for NO_COLOR to use_colors()

NO_COLOR 1 is an env var that some tools (even Cargo!) have standardized around to prevent the printing of color control characters.

Created by  cole-h  on November 27, 2020
UBRGMN74JCPSYAFCR6SPM2RTF3474VEUBL2AYFOL637XZW76Y5XAC
Change contents