procutils: don't try to get `.buffer` if sys.stdin is None While hunting down following test failure of test-chg.t on Python 3, I stumbled the case when `.buffer` is not available as sys.stdin is None. --- /home/pulkit/repo/hg-committed/tests/test-chg.t +++ /home/pulkit/repo/hg-committed/tests/test-chg.t.err @@ -203,7 +203,31 @@ $ CHGDEBUG=1 chg version -q 0<&- chg: debug: * stdio fds are missing (glob) chg: debug: * execute original hg (glob) - Mercurial Distributed SCM * (glob) + Traceback (most recent call last): + File "/tmp/hgtests.avspvsq4/install/bin/hg", line 43, in <module> + dispatch.run() + File "/usr/lib/python3.6/importlib/util.py", line 233, in __getattribute__ + self.__spec__.loader.exec_module(self) + File "<frozen importlib._bootstrap_external>", line 678, in exec_module + File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed + File "/tmp/hgtests.avspvsq4/install/lib/python/mercurial/dispatch.py", line 726, in <module> + class lazyaliasentry(object): + File "/tmp/hgtests.avspvsq4/install/lib/python/mercurial/dispatch.py", line 737, in lazyaliasentry + @util.propertycache + File "/usr/lib/python3.6/importlib/util.py", line 233, in __getattribute__ + self.__spec__.loader.exec_module(self) + File "<frozen importlib._bootstrap_external>", line 678, in exec_module + File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed + File "/tmp/hgtests.avspvsq4/install/lib/python/mercurial/util.py", line 3473, in <module> + f=procutil.stderr, + File "/usr/lib/python3.6/importlib/util.py", line 233, in __getattribute__ + self.__spec__.loader.exec_module(self) + File "<frozen importlib._bootstrap_external>", line 678, in exec_module + File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed + File "/tmp/hgtests.avspvsq4/install/lib/python/mercurial/utils/procutil.py", line 127, in <module> + stdin = sys.stdin.buffer + AttributeError: 'NoneType' object has no attribute 'buffer' + [1] server lifecycle ---------------- Differential Revision: https://phab.mercurial-scm.org/D9500

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Issue1678: IndexError when pushing

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setting up base repo

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  $ hg init a

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  $ cd a

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  $ touch a

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  $ hg ci -Am a

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  adding a

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  $ cd ..

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cloning base repo

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  $ hg clone a b

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  updating to branch default

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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

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  $ cd b

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setting up cset to push

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  $ hg up null

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  0 files updated, 0 files merged, 1 files removed, 0 files unresolved

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  $ touch a

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different msg so we get a clog new entry

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  $ hg ci -Am b

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  adding a

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  created new head

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pushing

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  $ hg push -f ../a

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  pushing to ../a

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  searching for changes

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  adding changesets

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  adding manifests

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  adding file changes

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  added 1 changesets with 0 changes to 0 files (+1 heads)

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  $ cd ..