[issue2450] hg up --check discards unversioned files

[David G]

New submission from David G <d.grellscheid+hg at gmail.com>:

If I read the help page for 'hg up' correctly, the '--check' option should
abort when uncommitted changes are encountered. With hg 1.6.4 on both OS X
and Linux, however, '--check' overwrites unversioned files with a versioned
copy if they happen to have the same name.

With an unversioned file, I would expect the following:
'hg up': abort
'hg up --check': abort
'hg up --clean': overwrite

Actually, what happens is:
'hg up': abort
'hg up --check': overwrite (!)
'hg up --clean': overwrite


Please see the attached shell script for a minimal test case.

----------
files: hg_up_check.sh
messages: 14137
nosy: dgrell
priority: bug
status: unread
title: hg up --check discards unversioned files

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