tests: avoid chmod on windows in hgrc tests

Follow up on changeset d201a637c971 introducing this test, which fails
on Windows.

tests/test-hgrc.t

@@ -1,261 +1,263 b''
 Use hgrc within $TESTTMP
 
   $ HGRCPATH=`pwd`/hgrc
   $ export HGRCPATH
 
 hide outer repo
   $ hg init
 
 Use an alternate var for scribbling on hgrc to keep check-code from
 complaining about the important settings we may be overwriting:
 
   $ HGRC=`pwd`/hgrc
   $ export HGRC
 
 Basic syntax error
 
   $ echo "invalid" > $HGRC
   $ hg version
   hg: parse error at $TESTTMP/hgrc:1: invalid
   [255]
   $ echo "" > $HGRC
 
 Issue1199: Can't use '%' in hgrc (eg url encoded username)
 
   $ 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
   $ cd foobar
   $ cat .hg/hgrc
   # example repository config (see 'hg help config' for more info)
   [paths]
   default = $TESTTMP/foo%bar
   
   # path aliases to other clones of this repo in URLs or filesystem paths
   # (see 'hg help config.paths' for more info)
   #
   # default:pushurl = ssh://[e-mail]/hg/jdoes-fork
   # my-fork         = ssh://[e-mail]/hg/jdoes-fork
   # my-clone        = /home/jdoe/jdoes-clone
   
   [ui]
   # name and email (local to this repository, optional), e.g.
   # username = Jane Doe <[e-mail]>
   $ hg paths
   default = $TESTTMP/foo%bar
   $ hg showconfig
   bundle.mainreporoot=$TESTTMP/foobar
   paths.default=$TESTTMP/foo%bar
   $ cd ..
 
 Check %include
 
   $ echo '[section]' > $TESTTMP/included
   $ echo 'option = value' >> $TESTTMP/included
   $ echo '%include $TESTTMP/included' >> $HGRC
   $ hg showconfig section
   section.option=value
+#if no-windows
   $ chmod u-r $TESTTMP/included
   $ hg showconfig section
   hg: parse error at $TESTTMP/hgrc:2: cannot include $TESTTMP/included (Permission denied)
   [255]
+#endif
 
 issue1829: wrong indentation
 
   $ echo '[foo]' > $HGRC
   $ echo '  x = y' >> $HGRC
   $ hg version
   hg: parse error at $TESTTMP/hgrc:2:   x = y
   unexpected leading whitespace
   [255]
 
   $ "$PYTHON" -c "from __future__ import print_function; print('[foo]\nbar = a\n b\n c \n  de\n fg \nbaz = bif cb \n')" \
   > > $HGRC
   $ 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' > $HGRC
   $ hg version
   Mercurial Distributed SCM (version *) (glob)
   (see https://mercurial-scm.org for more information)
   
   Copyright (C) 2005-* Matt Mackall and others (glob)
   This is free software; see the source for copying conditions. There is NO
   warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   $ unset FAKEPATH
 
 make sure global options given on the cmdline take precedence
 
   $ hg showconfig --config ui.verbose=True --quiet
   bundle.mainreporoot=$TESTTMP
   ui.verbose=False
   ui.debug=False
   ui.quiet=True
 
   $ touch foobar/untracked
   $ cat >> foobar/.hg/hgrc <<EOF
   > [ui]
   > verbose=True
   > EOF
   $ hg -R foobar st -q
 
 username expansion
 
   $ olduser=$HGUSER
   $ unset HGUSER
 
   $ FAKEUSER='John Doe'
   $ export FAKEUSER
   $ echo '[ui]' > $HGRC
   $ echo 'username = $FAKEUSER' >> $HGRC
 
   $ hg init usertest
   $ cd usertest
   $ touch bar
   $ hg commit --addremove --quiet -m "added bar"
   $ hg log --template "{author}\n"
   John Doe
   $ cd ..
 
   $ hg showconfig
   bundle.mainreporoot=$TESTTMP
   ui.username=$FAKEUSER
 
   $ unset FAKEUSER
   $ HGUSER=$olduser
   $ export HGUSER
 
 showconfig with multiple arguments
 
   $ echo "[alias]" > $HGRC
   $ echo "log = log -g" >> $HGRC
   $ echo "[defaults]" >> $HGRC
   $ echo "identify = -n" >> $HGRC
   $ hg showconfig alias defaults
   alias.log=log -g
   defaults.identify=-n
   $ hg showconfig alias alias
   alias.log=log -g
   $ hg showconfig alias.log alias.log
   alias.log=log -g
   $ hg showconfig alias defaults.identify
   alias.log=log -g
   defaults.identify=-n
   $ hg showconfig alias.log defaults.identify
   alias.log=log -g
   defaults.identify=-n
 
 HGPLAIN
 
   $ echo "[ui]" > $HGRC
   $ echo "debug=true" >> $HGRC
   $ echo "fallbackencoding=ASCII" >> $HGRC
   $ echo "quiet=true" >> $HGRC
   $ echo "slash=true" >> $HGRC
   $ echo "traceback=true" >> $HGRC
   $ echo "verbose=true" >> $HGRC
   $ echo "style=~/.hgstyle" >> $HGRC
   $ echo "logtemplate={node}" >> $HGRC
   $ echo "[defaults]" >> $HGRC
   $ echo "identify=-n" >> $HGRC
   $ echo "[alias]" >> $HGRC
   $ echo "log=log -g" >> $HGRC
 
 customized hgrc
 
   $ hg showconfig
   read config from: $TESTTMP/hgrc
   $TESTTMP/hgrc:13: alias.log=log -g
   repo: bundle.mainreporoot=$TESTTMP
   $TESTTMP/hgrc:11: defaults.identify=-n
   $TESTTMP/hgrc:2: ui.debug=true
   $TESTTMP/hgrc:3: ui.fallbackencoding=ASCII
   $TESTTMP/hgrc:4: ui.quiet=true
   $TESTTMP/hgrc:5: ui.slash=true
   $TESTTMP/hgrc:6: ui.traceback=true
   $TESTTMP/hgrc:7: ui.verbose=true
   $TESTTMP/hgrc:8: ui.style=~/.hgstyle
   $TESTTMP/hgrc:9: ui.logtemplate={node}
 
 plain hgrc
 
   $ HGPLAIN=; export HGPLAIN
   $ hg showconfig --config ui.traceback=True --debug
   read config from: $TESTTMP/hgrc
   repo: bundle.mainreporoot=$TESTTMP
   --config: ui.traceback=True
   --verbose: ui.verbose=False
   --debug: ui.debug=True
   --quiet: ui.quiet=False
 
 with environment variables
 
   $ PAGER=p1 EDITOR=e1 VISUAL=e2 hg showconfig --debug
   set config by: $EDITOR
   set config by: $VISUAL
   set config by: $PAGER
   read config from: $TESTTMP/hgrc
   repo: bundle.mainreporoot=$TESTTMP
   $PAGER: pager.pager=p1
   $VISUAL: ui.editor=e2
   --verbose: ui.verbose=False
   --debug: ui.debug=True
   --quiet: ui.quiet=False
 
 plain mode with exceptions
 
   $ cat > plain.py <<EOF
   > from mercurial import commands, extensions
   > def _config(orig, ui, repo, *values, **opts):
   >     ui.write(b'plain: %r\n' % ui.plain())
   >     return orig(ui, repo, *values, **opts)
   > def uisetup(ui):
   >     extensions.wrapcommand(commands.table, b'config', _config)
   > EOF
   $ echo "[extensions]" >> $HGRC
   $ echo "plain=./plain.py" >> $HGRC
   $ HGPLAINEXCEPT=; export HGPLAINEXCEPT
   $ hg showconfig --config ui.traceback=True --debug
   plain: True
   read config from: $TESTTMP/hgrc
   repo: bundle.mainreporoot=$TESTTMP
   $TESTTMP/hgrc:15: extensions.plain=./plain.py
   --config: ui.traceback=True
   --verbose: ui.verbose=False
   --debug: ui.debug=True
   --quiet: ui.quiet=False
   $ unset HGPLAIN
   $ hg showconfig --config ui.traceback=True --debug
   plain: True
   read config from: $TESTTMP/hgrc
   repo: bundle.mainreporoot=$TESTTMP
   $TESTTMP/hgrc:15: extensions.plain=./plain.py
   --config: ui.traceback=True
   --verbose: ui.verbose=False
   --debug: ui.debug=True
   --quiet: ui.quiet=False
   $ HGPLAINEXCEPT=i18n; export HGPLAINEXCEPT
   $ hg showconfig --config ui.traceback=True --debug
   plain: True
   read config from: $TESTTMP/hgrc
   repo: bundle.mainreporoot=$TESTTMP
   $TESTTMP/hgrc:15: extensions.plain=./plain.py
   --config: ui.traceback=True
   --verbose: ui.verbose=False
   --debug: ui.debug=True
   --quiet: ui.quiet=False
 
 source of paths is not mangled
 
   $ cat >> $HGRCPATH <<EOF
   > [paths]
   > foo = bar
   > EOF
   $ hg showconfig --debug paths
   plain: True
   read config from: $TESTTMP/hgrc
   $TESTTMP/hgrc:17: paths.foo=$TESTTMP/bar