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Timestamps

just can print timestamps before each recipe commands:

recipe:
  echo one
  sleep 2
  echo two

$ just --timestamp recipe
[07:28:46] echo one
one
[07:28:46] sleep 2
[07:28:48] echo two
two

By default, timestamps are formatted as HH:MM:SS. The format can be changed with --timestamp-format:

$ just --timestamp recipe --timestamp-format '%H:%M:%S%.3f %Z'
[07:32:11:.349 UTC] echo one
one
[07:32:11:.350 UTC] sleep 2
[07:32:13:.352 UTC] echo two
two

The argument to --timestamp-format is a strftime-style format string, see the chrono library docs for details.