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tests/test-diff-hashes.t
author Jun Wu <quark@fb.com>
Tue, 05 Sep 2017 13:37:36 -0700
changeset 34087 5361771f9714
parent 16913 f2719b387380
child 41784 251332dbf33d
permissions -rw-r--r--
wrapfunction: use functools.partial if possible Every `extensions.bind` call inserts a frame in traceback: ... in closure return func(*(args + a), **kw) which makes traceback noisy. The Python stdlib has a `functools.partial` which is backed by C code and does not pollute traceback. However it does not support instancemethod and sets `args` attribute which could be problematic for alias handling. This patch makes `wrapfunction` use `functools.partial` if we are wrapping a function directly exported by a module (so it's impossible to be a class or instance method), and special handles `wrapfunction` results so alias handling code could handle `args` just fine. As an example, `hg rebase -s . -d . --traceback` got 6 lines removed in my setup: File "hg/mercurial/dispatch.py", line 898, in _dispatch cmdpats, cmdoptions) -File "hg/mercurial/extensions.py", line 333, in closure - return func(*(args + a), **kw) File "hg/hgext/journal.py", line 84, in runcommand return orig(lui, repo, cmd, fullargs, *args) -File "hg/mercurial/extensions.py", line 333, in closure - return func(*(args + a), **kw) File "fb-hgext/hgext3rd/fbamend/hiddenoverride.py", line 119, in runcommand result = orig(lui, repo, cmd, fullargs, *args) File "hg/mercurial/dispatch.py", line 660, in runcommand ret = _runcommand(ui, options, cmd, d) -File "hg/mercurial/extensions.py", line 333, in closure - return func(*(args + a), **kw) File "hg/hgext/pager.py", line 69, in pagecmd return orig(ui, options, cmd, cmdfunc) .... Differential Revision: https://phab.mercurial-scm.org/D632

  $ hg init a
  $ cd a

  $ hg diff inexistent1 inexistent2
  inexistent1: * (glob)
  inexistent2: * (glob)

  $ echo bar > foo
  $ hg add foo
  $ hg ci -m 'add foo'

  $ echo foobar > foo
  $ hg ci -m 'change foo'

  $ hg --quiet diff -r 0 -r 1
  --- a/foo	Thu Jan 01 00:00:00 1970 +0000
  +++ b/foo	Thu Jan 01 00:00:00 1970 +0000
  @@ -1,1 +1,1 @@
  -bar
  +foobar

  $ hg diff -r 0 -r 1
  diff -r a99fb63adac3 -r 9b8568d3af2f foo
  --- a/foo	Thu Jan 01 00:00:00 1970 +0000
  +++ b/foo	Thu Jan 01 00:00:00 1970 +0000
  @@ -1,1 +1,1 @@
  -bar
  +foobar

  $ hg --verbose diff -r 0 -r 1
  diff -r a99fb63adac3 -r 9b8568d3af2f foo
  --- a/foo	Thu Jan 01 00:00:00 1970 +0000
  +++ b/foo	Thu Jan 01 00:00:00 1970 +0000
  @@ -1,1 +1,1 @@
  -bar
  +foobar

  $ hg --debug diff -r 0 -r 1
  diff -r a99fb63adac3f31816a22f665bc3b7a7655b30f4 -r 9b8568d3af2f1749445eef03aede868a6f39f210 foo
  --- a/foo	Thu Jan 01 00:00:00 1970 +0000
  +++ b/foo	Thu Jan 01 00:00:00 1970 +0000
  @@ -1,1 +1,1 @@
  -bar
  +foobar

  $ cd ..
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