tests: hide warning from test-xdg.t The test-xdg.t test uses the system hgrc because it unsets HGRCPATH. If the system has an extension enabled that doesn't work with the development version of Mercurial it prints an 'extension failed to load' warning. Let's just hide that by piping stderr to /dev/null.

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#if no-windows no-osx

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  $ mkdir -p xdgconf/hg

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  $ echo '[ui]' > xdgconf/hg/hgrc

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  $ echo 'username = foobar' >> xdgconf/hg/hgrc

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  $ XDG_CONFIG_HOME="`pwd`/xdgconf" ; export XDG_CONFIG_HOME

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  $ unset HGRCPATH

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  $ hg config ui.username 2>/dev/null

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  foobar

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#endif