comparison tests/test-revset.t @ 49447:6dbe74669eba

sort-revset: introduce a `random` variant

This new `sort` variant allows to shuffle any revset. It also allow for
randomly picking element using `first`.

49445:cd21f2b4226f

  3 b112 m111 u11  120 0
  2 b111 m11  u12  111 3600
  1 b11  m12  u111 112 7200
  0 b12  m111 u112 111 10800

topographical sorting can't be combined with other sort keys, and you can't
use the topo.firstbranch option when topo sort is not active:

  $ hg log -r 'sort(all(), "topo user")'
  hg: parse error: topo sort order cannot be combined with other sort keys

49447:6dbe74669eba

  3 b112 m111 u11  120 0
  2 b111 m11  u12  111 3600
  1 b11  m12  u111 112 7200
  0 b12  m111 u112 111 10800

random sort

  $ hg log --rev 'sort(all(), "random")' | wc -l
  \s*8 (re)
  $ hg log --rev 'sort(all(), "-random")' | wc -l
  \s*8 (re)
  $ hg log --rev 'sort(all(), "random", random.seed=celeste)'
  6 b111 t2   tu   130 0
  7 b111 t3   tu   130 0
  4 b111 m112 u111 110 14400
  3 b112 m111 u11  120 0
  5 b111 t1   tu   130 0
  0 b12  m111 u112 111 10800
  1 b11  m12  u111 112 7200
  2 b111 m11  u12  111 3600
  $ hg log --rev 'first(sort(all(), "random", random.seed=celeste))'
  6 b111 t2   tu   130 0


topographical sorting can't be combined with other sort keys, and you can't
use the topo.firstbranch option when topo sort is not active:

  $ hg log -r 'sort(all(), "topo user")'
  hg: parse error: topo sort order cannot be combined with other sort keys