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comparison mercurial/revset.py @ 20445:507261c0914f

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revset: added lazyset implementation to branch revset Performance Benchmarking: $ time hg log -l1 -qr "branch(default)" 0:9117c6561b0b real 0m3.366s user 0m3.217s sys 0m0.095s $ time ./hg log -l1 -qr "branch(default)" 0:9117c6561b0b real 0m0.389s user 0m0.199s sys 0m0.061s
author Lucas Moscovicz <lmoscovicz@fb.com>
date Wed, 05 Feb 2014 16:12:03 -0800
parents b68984d288d4
children d258486604f4
comparison
equal deleted inserted replaced
20444:1478a9ce6790 20445:507261c0914f
428 kind, pattern, matcher = _stringmatcher(b) 428 kind, pattern, matcher = _stringmatcher(b)
429 if kind == 'literal': 429 if kind == 'literal':
430 # note: falls through to the revspec case if no branch with 430 # note: falls through to the revspec case if no branch with
431 # this name exists 431 # this name exists
432 if pattern in repo.branchmap(): 432 if pattern in repo.branchmap():
433 return baseset([r for r in subset if matcher(repo[r].branch())]) 433 return lazyset(subset, lambda r: matcher(repo[r].branch()))
434 else: 434 else:
435 return baseset([r for r in subset if matcher(repo[r].branch())]) 435 return lazyset(subset, lambda r: matcher(repo[r].branch()))
436 436
437 s = getset(repo, baseset(repo), x) 437 s = getset(repo, baseset(repo), x)
438 b = set() 438 b = set()
439 for r in s: 439 for r in s:
440 b.add(repo[r].branch()) 440 b.add(repo[r].branch())
441 s = s.set() 441 s = s.set()
442 return baseset([r for r in subset if r in s or repo[r].branch() in b]) 442 return lazyset(subset, lambda r: r in s or repo[r].branch() in b)
443 443
444 def bumped(repo, subset, x): 444 def bumped(repo, subset, x):
445 """``bumped()`` 445 """``bumped()``
446 Mutable changesets marked as successors of public changesets. 446 Mutable changesets marked as successors of public changesets.
447 447