perf-util: add an helper revset to use the same spec as the case search script
This make result of the searcher script easier to use.
Differential Revision: https://phab.mercurial-scm.org/D10228
--- a/contrib/perf-utils/subsetmaker.py Mon Mar 15 18:01:42 2021 +0100
+++ b/contrib/perf-utils/subsetmaker.py Tue Mar 16 12:52:23 2021 +0100
@@ -18,6 +18,37 @@
revsetpredicate = registrar.revsetpredicate()
+@revsetpredicate(b'subsetspec("<spec>")')
+def subsetmarkerspec(repo, subset, x):
+ """use a shorthand spec as used by search-discovery-case
+
+ Supported format are:
+
+ - "scratch-count-seed": not scratch(all(), count, "seed")
+ - "randomantichain-seed": ::randomantichain(all(), "seed")
+ - "rev-REV": "::REV"
+ """
+ args = revsetlang.getargs(
+ x, 0, 1, _(b'subsetspec("spec") required an argument')
+ )
+
+ spec = revsetlang.getstring(args[0], _(b"spec should be a string"))
+ case = spec.split(b'-')
+ t = case[0]
+ if t == b'scratch':
+ spec_revset = b'not scratch(all(), %s, "%s")' % (case[1], case[2])
+ elif t == b'randomantichain':
+ spec_revset = b'::randomantichain(all(), "%s")' % case[1]
+ elif t == b'rev':
+ spec_revset = b'::%d' % case[1]
+ else:
+ assert False, spec
+
+ selected = repo.revs(spec_revset)
+
+ return selected & subset
+
+
@revsetpredicate(b'scratch(REVS, <count>, [seed])')
def scratch(repo, subset, x):
"""randomly remove <count> revision from the repository top