darcs-2.4: tests/issue1472_read_too_much.sh

#!/usr/bin/env bash
## Test for issue1472 - running "darcs record ./foo" shouldn't even
## TRY to read ./bar.
##
## Copyright (C) 2009  Trent W. Buck
##
## Permission is hereby granted, free of charge, to any person
## obtaining a copy of this software and associated documentation
## files (the "Software"), to deal in the Software without
## restriction, including without limitation the rights to use, copy,
## modify, merge, publish, distribute, sublicense, and/or sell copies
## of the Software, and to permit persons to whom the Software is
## furnished to do so, subject to the following conditions:
##
## The above copyright notice and this permission notice shall be
## included in all copies or substantial portions of the Software.
##
## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
## EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
## MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
## NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
## BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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## CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
## SOFTWARE.

. ../tests/lib                  # Load some portability helpers.
rm -rf R                        # Another script may have left a mess.
darcs init      --repo R        # Create our test repo.
mkdir R/d/                      # Change the working tree.
echo 'Example content.' >R/f
echo 'Similar content.' >R/d/f
chmod 0 R/f                     # Make R/f unreadable, so that
                                # attempting to read it will result in
                                # an error.
darcs record    --repo R -lam 'Only changes to R/d/.' d
rm -rf R/                       # Clean up after ourselves.