view tests/test-empty-dir.t @ 38865:899b4c74209c

fileset: combine union of basic patterns into single matcher

This appears to improve query performance in a big repository than I thought.
Writing less Python in a hot loop, faster computation we gain.

  $ hg files --cwd mozilla-central --time 'set:a* + b* + c* + d* + e*'
  (orig) time: real 0.670 secs (user 0.640+0.000 sys 0.030+0.000)
  (new)  time: real 0.210 secs (user 0.180+0.000 sys 0.020+0.000)

  $ hg init

  $ echo 123 > a
  $ hg add a
  $ hg commit -m "first" a

  $ mkdir sub
  $ echo 321 > sub/b
  $ hg add sub/b
  $ hg commit -m "second" sub/b

  $ cat sub/b
  321

  $ hg co 0
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved

  $ cat sub/b 2>/dev/null || echo "sub/b not present"
  sub/b not present

  $ test -d sub || echo "sub not present"
  sub not present