bookmarks: move variable initialization earlier Since we no longer set '_clean = False' during the initialization loop, we can move the attribute assignment earlier in the function for clarity. (no speed improvement expected or measured ;-) )

bookmarks: directly use base dict 'setitem' The bmstore '__setitem__' method is setting an extra flag that is not needed during initialization. Skipping the method will allow further cleanup and yield some speedup as a side effect. Before: ! wall 0.009120 comb 0.010000 user 0.010000 sys 0.000000 (best of 312) After: ! wall 0.007874 comb 0.010000 user 0.010000 sys 0.000000 (best of 360)

bookmarks: rely on exception for malformed lines Since we already have an exception context open, for other thing, we can simplify the code a bit and rely on exception handling for invalid lines. Speed is not the main motivation for this changes. However as I'm in the middle of benchmarking things we can see a small positive impact. Before: ! wall 0.009358 comb 0.000000 user 0.000000 sys 0.000000 (best of 303) After: ! wall 0.009173 comb 0.010000 user 0.010000 sys 0.000000 (best of 310)

bookmarks: explicitly convert to 'node' during initialization We know the content of the file is supposed to be full hex. So we can do the translation ourselves and directly check if the node is known. As nice side effect we now have proper error handling for invalid node value. Before: ! wall 0.021580 comb 0.020000 user 0.020000 sys 0.000000 (best of 134) After: ! wall 0.009342 comb 0.010000 user 0.010000 sys 0.000000 (best of 302)

bookmarks: prefetch 'lookup' outside of the loop Skipping the attribute lookup up raise a significant speedup. Example on a repository with about 4000 bookmarks. Before: ! wall 0.026027 comb 0.020000 user 0.020000 sys 0.000000 (best of 112) After: ! wall 0.021580 comb 0.020000 user 0.020000 sys 0.000000 (best of 134) (This is also in its own changeset to clarify the perf win from another coming changesets)

perf: add a perfbookmarks command A new command dedicated to benchmark of bookmark initialization.

perfphases: add a flag to also include file access time The flag purges all phases data so we'll have to read the file from disk again.

perf: have a generic "clearstorecache" function There are multiple places where we will want to purge some store cache. So we promote the existing _clearobsstore function to a something reusable.

localrepo: move filtername to __init__ This is obviously an instance attribute, not a type attribute. The modern Python style is to use __init__ for defining these. This exposes statichttprepo as inheriting from localrepository without calling its __init__. As a result, its __init__ defines a lot of variables that methods on localrepository's methods need. But factoring the common bits into a separate class is for another day.

obsolete: move obsstore creation logic from localrepo This code has more to do with obsolete.py than localrepo.py. Let's move it there.

match: allow pats to be None match.match already interprets "!bool(patterns)" as matching everything (but includes and excludes still apply). We might as well allow None, which lets us simplify some callers a bit. I originally wrote this patch while trying to change match.match(patterns=[]) to mean to match no patterns. This patch is one step towards that goal. I'm not sure it'll be worth the effort to go all the way there, but I think this patch still makes sense on its own.

tests: add a test for installing hg with pip in a virtualenv Since we're doing so much clever junk in our setup.py, let's have a test that exercises it. Thanks to Matt Harbison for testing this on Windows and verifying that installenv/*/hg would work as a way to work around bin being called Scripts on Windows.

hghave: add check for virtualenv

setup: introduce dummy copies of setuptools flags Since we're filtering out some egg gunk, we need to emulate these flags which disable eggs so that pip still works.

extensions: catch uisetup and extsetup failures and don't let them break hg Otherwise users of the patience diff extension will be unable to run anything at all in hg 4.3 until they figure out what's broken.