v0.5.7

Summary

• Add FORMAT-SPEC.md — canonical BrightDate % format characters across findutils, iputils, btime, and BSH.
• btime -f adds %dE, %dU, %dS milliday specifiers matching BSH default TIMEFMT (%.6f md).

Test plan

• cargo test -p btime
• btime -f 'real=%dE user=%dU sys=%dS' true

v0.5.6

Highlights

btime bfind-compatible %W format

• %Wt — end BrightDate (command completion wall time, 9 decimal places)
• %Ws — start BrightDate (timing start wall time, 9 decimal places)
• GNU %W (swap count) unchanged when not followed by t or s

btime -f '%Wt %C' true
# 9628.195697 true

Lockstep workspace bump: brightdate, bdate, btime, buptime, bcal, bwatch → 0.5.6

See CHANGELOG.md for full details.

v0.5.5

Highlights

btime GNU time compatibility

• GNU time 1.10-style flags: -f/--format, -p/--portability, -v/--verbose, -o/--output, -a/--append, -q/--quiet, and TIME env var
• Full GNU % format specifier support plus BrightDate extensions (%B, %b, %N, %n)
• Fork/waitpid/getrusage(RUSAGE_CHILDREN) measurement matching GNU time behavior
• BrightDate colored report remains the default when no GNU output mode is selected
• 48 btime tests covering format specifiers, GNU CLI flags, color modes, and file output

Also includes (from 0.5.4)

• btime no longer calls process::exit() from library code (safe as bsh builtin)
• --color=plain alias for never

Lockstep workspace bump: brightdate, bdate, btime, buptime, bcal, bwatch → 0.5.5

See CHANGELOG.md for full details.