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coreutils/tests/tail-2/assert
Jim Meyering e43d30eab3 tests: convert nearly all ... expressions to $(...)
Exempt init.sh because it runs before we're assured to have a
shell that groks $(...).  Exempt *.mk because "$" would have to
be doubled, and besides, any `...` expression in a .mk file is
almost certainly evaluated before init.sh is run.  Finally, also
exempt the perl-based tests, because perl's `...` cannot be
converted to $(...).  Do that by running this command:

git grep -l '`.*`' tests \
  | grep -Ev 'init\.sh|\.mk$' | xargs grep -Lw perl \
  | xargs perl -pi -e 's/`(.*?)`/\$($1)/g'

One minor fix-up change was required after that, due to how
quoting differs:
diff --git a/tests/chmod/equals b/tests/chmod/equals
-    expected_perms=$(eval 'echo \$expected_'$dest)
+    expected_perms=$(eval 'echo $expected_'$dest)

Another was to make these required quoting adjustments:
diff --git a/tests/misc/stty b/tests/misc/stty
...
-  rev=$(eval echo "\\\$REV_$opt")
+  rev=$(eval echo "\$REV_$opt")
...
-      rev1=$(eval echo "\\\$REV_$opt1")
-      rev2=$(eval echo "\\\$REV_$opt2")
+      rev1=$(eval echo "\$REV_$opt1")
+      rev2=$(eval echo "\$REV_$opt2")

Also, transform two files that were needlessly excluded above:
(both use perl, but are mostly bourne shell)

  perl -pi -e 's/`(.*?)`/\$($1)/g' \
    tests/du/long-from-unreadable tests/init.cfg
2012-04-04 12:20:56 +02:00

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#!/bin/sh
# Test for assertion failure in "test".
# Copyright (C) 1999-2012 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This test fails with tail from textutils-2.0.
# It would get something like this:
# tail: tail.c:718: recheck: Assertion 'valid_file_spec (f)' failed.
# Aborted
# due to a race condition in which a dev/inode pair is reused.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
print_ver_ tail
# Not "expensive" per se, but sleeping for so long is annoying.
very_expensive_
ok='ok ok ok'
touch a foo
tail --follow=name a foo > err 2>&1 &
tail_pid=$!
# Arrange for the tail process to die after 12 seconds.
(sleep 12; kill $tail_pid) &
echo sleeping for 7 seconds...
# Give the backgrounded 'tail' a chance to start before removing foo.
# Otherwise, without --retry, tail wouldn't try to open 'foo' again.
sleep 1
rm -f foo
sleep 6
echo $ok > f
mv f foo
# echo waiting....
wait
case "$(cat err)" in
*$ok) ;;
*) fail=1;;
esac
test $fail = 1 && cat err
Exit $fail