[issue1705] symlink of ~/.hgrc causes error on hg log command

[schubert]

New submission from schubert <michael at schubert.cx>:

If you symlink your ~/.hgrc to somewhere else, commands to hg log (and perhaps 
others) will fail with the error:

abort: Is a directory

See http://stackoverflow.com/questions/730319/mercurial-osx-fail-hg-log-abort-
is-a-directory for details on reproducing the problem.

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messages: 9711
nosy: schubert
priority: bug
status: unread
title: symlink of ~/.hgrc causes error on hg log command

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