paulhopkins 1c7e5724d9 Add --color=[always|never|auto] argument; fix color when piping (#3013) ... * Disable spec colorization when redirecting stdout and add command line flag to re-enable * Add command line `--color` flag to control output colorization * Add options to `llnl.util.tty.color` to allow color to be auto/always/never * Add `Spec.cformat()` function to be used when `format()` should have auto-coloring		2017-07-31 12:57:47 -07:00
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spack	Add --color=[always|never|auto] argument; fix color when piping (#3013)	2017-07-31 12:57:47 -07:00