revset-phases: do not cache phase-related filters

The phase retrieval is fast enough to not require caching the result of the
functions.

draft()
0) wall 0.017209 comb 0.020000 user 0.020000 sys 0.000000 (best of 149)
1) wall 0.011654 comb 0.010000 user 0.010000 sys 0.000000 (best of 186)

public()
0) wall 0.018687 comb 0.010000 user 0.010000 sys 0.000000 (best of 128)
1) wall 0.013290 comb 0.010000 user 0.010000 sys 0.000000 (best of 181)

secret()
0) wall 0.017464 comb 0.020000 user 0.020000 sys 0.000000 (best of 127)
1) wall 0.011499 comb 0.000000 user 0.000000 sys 0.000000 (best of 196)

draft() - ::bookmark()
0) wall 0.020099 comb 0.020000 user 0.020000 sys 0.000000 (best of 127)
1) wall 0.014399 comb 0.020000 user 0.020000 sys 0.000000 (best of 169)

mercurial/revset.py

@@ -744,7 +744,8 b' def draft(repo, subset, x):'
     # i18n: "draft" is a keyword
     getargs(x, 0, 0, _("draft takes no arguments"))
     pc = repo._phasecache
-    return subset.filter(lambda r: pc.phase(repo, r) == phases.draft)
+    condition = lambda r: pc.phase(repo, r) == phases.draft
+    return subset.filter(condition, cache=False)
 
 def extinct(repo, subset, x):
     """``extinct()``
@@ -1294,7 +1295,8 b' def public(repo, subset, x):'
     # i18n: "public" is a keyword
     getargs(x, 0, 0, _("public takes no arguments"))
     pc = repo._phasecache
-    return subset.filter(lambda r: pc.phase(repo, r) == phases.public)
+    condition = lambda r: pc.phase(repo, r) == phases.public
+    return subset.filter(condition, cache=False)
 
 def remote(repo, subset, x):
     """``remote([id [,path]])``
@@ -1492,7 +1494,8 b' def secret(repo, subset, x):'
     # i18n: "secret" is a keyword
     getargs(x, 0, 0, _("secret takes no arguments"))
     pc = repo._phasecache
-    return subset.filter(lambda x: pc.phase(repo, x) == phases.secret)
+    condition = lambda x: pc.phase(repo, x) == phases.secret
+    return subset.filter(condition, cache=False)
 
 def sort(repo, subset, x):
     """``sort(set[, [-]key...])``