ui: add HGPLAIN environment variable for easier scripting
If HGPLAIN is set, the following settings are ignored when read from
hgrc files:
- ui.debug
- ui.fallbackencoding
- ui.quiet
- ui.traceback
- ui.verbose
- defaults.*
Localization is also disabled.
Equivalent options set via command line are honored.
hg: config error at $HGRCPATH:1: 'invalid'
updating to branch default
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
[paths]
default = .../foo%bar
default = .../foo%bar
bundle.mainreporoot=.../foobar
paths.default=.../foo%bar
hg: config error at $HGRCPATH:2: ' x = y'
foo.bar=a\nb\nc\nde\nfg
foo.baz=bif cb
hg: config error at $HGRCPATH:1: cannot include /no-such-file (No such file or directory)
% customized hgrc
.../.hgrc:8: defaults.identify=-n
.../.hgrc:2: ui.debug=true
.../.hgrc:3: ui.fallbackencoding=ASCII
.../.hgrc:4: ui.quiet=true
.../.hgrc:5: ui.traceback=true
.../.hgrc:6: ui.verbose=true
% plain hgrc
none: ui.traceback=True
none: ui.verbose=False
none: ui.debug=True
none: ui.quiet=False