This is an archive of the discontinued Mercurial Phabricator instance.

Diff	ID	Description	Created	Lint	Unit
Base		Base
Diff 1	26387		Mar 15 2021, 7:00 PM	★	★
Diff 2	26396		Mar 16 2021, 7:52 AM	★	★
Diff 3	26448	rHG36b4640ccb6a8ecbee0a97d878a7f42b38e11f80	Mar 15 2021, 11:37 AM	★	★

Status	Author	Revision
Closed	marmoute	D10228 perf-util: add an helper revset to use the same spec as the case search script
Closed	marmoute	D10225 perf-helpers: add a search-discovery-case script
Closed	marmoute	D10227 debugdiscovery: add missing byte string marker to some help text
Closed	marmoute	D10224 debugdiscovery: also integrate the discovery output in the json one
Closed	marmoute	D10223 debugdiscovery: add support for Json output
Closed	marmoute	D10222 perf-helper: add a new sampling revset based on anti-chain
Closed	marmoute	D10221 perf-helper: add a small extension with revsets to select repository subset

Diff 26448

	assert p2 in children_count			assert p2 in children_count
	children_count[p2] -= 1			children_count[p2] -= 1
	assert children_count[p2] >= 0			assert children_count[p2] >= 0
	if children_count[p2] == 0:			if children_count[p2] == 0:
	assert p2 not in selected, (r, p2)			assert p2 not in selected, (r, p2)
	heads.add(p2)			heads.add(p2)

	return smartset.baseset(selected) & subset			return smartset.baseset(selected) & subset


				@revsetpredicate(b'randomantichain(REVS, [seed])')
				def antichain(repo, subset, x):
				"""Pick a random anti-chain in the repository

				A antichain is a set of changeset where there isn't any element that is
				either a descendant or ancestors of any other element in the set. In other
				word, all the elements are independant. It can be summarized with the
				following algorithm::

				selected = set()
				unselected = repo.revs('all()')
				while unselected:
				pick = random.choice(unselected)
				selected.add(pick)
				unselected -= repo.revs('::<pick> + <pick>::')
				"""

				args = revsetlang.getargs(
				x, 1, 2, _(b"randomantichain expects revisions and an optional seed")
				)
				if len(args) == 1:
				(x,) = args
				rand = random
				elif len(args) == 2:
				x, seed = args
				seed = revsetlang.getinteger(seed, _(b"seed should be a number"))
				rand = random.Random(seed)
				else:
				assert False

				selected = set()

				baseset = revset.getset(repo, smartset.fullreposet(repo), x)
				undecided = baseset

				while undecided:
				pick = rand.choice(list(undecided))
				selected.add(pick)
				undecided = repo.revs(
				'%ld and not (::%ld or %ld::head())', baseset, selected, selected
				)

				return smartset.baseset(selected) & subset