$ echo "invalid" > $HGRCPATH

  $ hg version

  [255]

  $ echo "" > $HGRCPATH

issue1199: escaping

  $ hg init "foo%bar"

  $ hg clone "foo%bar" foobar

  updating to branch default

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

  $ p=`pwd`

  $ cd foobar

  $ cat .hg/hgrc

  [paths]

  $ hg paths

  $ hg showconfig

  $ cd ..

issue1829: wrong indentation

  $ echo '[foo]' > $HGRCPATH

  $ echo '  x = y' >> $HGRCPATH

  $ hg version

  [255]

  $ python -c "print '[foo]\nbar = a\n b\n c \n  de\n fg \nbaz = bif cb \n'" \

  > > $HGRCPATH

  $ hg showconfig foo

  foo.bar=a\nb\nc\nde\nfg

  foo.baz=bif cb

  $ FAKEPATH=/path/to/nowhere

  $ export FAKEPATH

  $ echo '%include $FAKEPATH/no-such-file' > $HGRCPATH

  $ hg version

  [255]

  $ unset FAKEPATH

username expansion

  $ olduser=$HGUSER

  $ unset HGUSER

  $ FAKEUSER='John Doe'

  $ export FAKEUSER

  $ echo '[ui]' > $HGRCPATH

  $ echo 'username = $FAKEUSER' >> $HGRCPATH

  $ hg init usertest

  $ cd usertest

  $ touch bar

  $ hg commit --addremove --quiet -m "added bar"

  $ hg log --template "{author}\n"

  John Doe

  $ cd ..

  $ hg showconfig

  ui.username=$FAKEUSER

  $ unset FAKEUSER

  $ HGUSER=$olduser

  $ export HGUSER

HGPLAIN

  $ cd ..

  $ p=`pwd`

  $ echo "[ui]" > $HGRCPATH

  $ echo "debug=true" >> $HGRCPATH

  $ echo "fallbackencoding=ASCII" >> $HGRCPATH

  $ echo "quiet=true" >> $HGRCPATH

  $ echo "slash=true" >> $HGRCPATH

  $ echo "traceback=true" >> $HGRCPATH

  $ echo "verbose=true" >> $HGRCPATH

  $ echo "style=~/.hgstyle" >> $HGRCPATH

  $ echo "logtemplate={node}" >> $HGRCPATH

  $ echo "[defaults]" >> $HGRCPATH

  $ echo "identify=-n" >> $HGRCPATH

  $ echo "[alias]" >> $HGRCPATH

  $ echo "log=log -g" >> $HGRCPATH

customized hgrc

  $ hg showconfig

plain hgrc

  $ HGPLAIN=; export HGPLAIN

  $ hg showconfig --config ui.traceback=True --debug

  none: ui.traceback=True

  none: ui.verbose=False

  none: ui.debug=True

  none: ui.quiet=False