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8840a00cd7
* tests/chmod/c-option.sh: Use `compare /dev/null ... || fail=1` rather than `test -s ... && fail=1`, so that the file contents are output, thus improving diagnostics for failing tests. * tests/cp/acl.sh: Likewise. * tests/cp/cp-a-selinux.sh: Likewise. * tests/cp/cp-mv-enotsup-xattr.sh: Likewise. * tests/cp/reflink-perm.sh: Likewise. * tests/dd/misc.sh: Likewise. * tests/misc/env-null.sh: Likewise. * tests/misc/env.sh: Likewise. * tests/misc/nice.sh: Likewise. * tests/misc/nohup.sh: Likewise. * tests/misc/printenv.sh: Likewise. * tests/misc/xattr.sh: Likewise. * tests/mv/update.sh: Likewise. * tests/rm/deep-2.sh: Likewise. * tests/rm/read-only.sh: Likewise. * tests/split/r-chunk.sh: Likewise. * tests/tail-2/follow-stdin.sh: Likewise. * tests/tail-2/inotify-race.sh: Likewise. * tests/tail-2/wait.sh: Likewise. * tests/touch/no-dereference.sh: Likewise. * cfg.mk (sc_prohibit_test_empty:): New syntax-check. * tests/cp/proc-zero-len.sh: Adjust to avoid false syntax-check failure. * tests/cp/proc-zero-len.sh: Likewise. * tests/mv/part-symlink.sh: Likewise. * tests/tail-2/infloop-1.sh: Likewise.
62 lines
2.3 KiB
Bash
Executable File
62 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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# Verify behavior of env -0 and printenv -0.
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# Copyright (C) 2009-2014 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ env printenv
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# POSIX is clear that environ may, but need not be, sorted.
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# Environment variable values may contain newlines, which cannot be
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# observed by merely inspecting output from env.
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# Cygwin requires a minimal environment to launch new processes: execve
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# adds missing variables SYSTEMROOT and WINDIR, which show up in a
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# subsequent env. Cygwin also requires /bin to always be part of PATH,
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# and attempts to unset or reduce PATH may cause execve to fail.
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#
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# For these reasons, it is better to compare two outputs from distinct
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# programs that should be the same, rather than building an exp file.
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env -i PATH="$PATH" env -0 > out1 || fail=1
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env -i PATH="$PATH" printenv -0 > out2 || fail=1
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compare out1 out2 || fail=1
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env -i PATH="$PATH" env --null > out2 || fail=1
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compare out1 out2 || fail=1
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env -i PATH="$PATH" printenv --null > out2 || fail=1
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compare out1 out2 || fail=1
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# env -0 does not work if a command is specified.
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env -0 echo hi > out
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test $? = 125 || fail=1
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compare /dev/null out || fail=1
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# Test env -0 on a one-variable environment.
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printf 'a=b\nc=\0' > exp || framework_failure_
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env -i -0 "$(printf 'a=b\nc=')" > out || fail=1
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compare exp out || fail=1
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# Test printenv -0 on particular values.
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printf 'b\nc=\0' > exp || framework_failure_
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env "$(printf 'a=b\nc=')" printenv -0 a > out || fail=1
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compare exp out || fail=1
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env -u a printenv -0 a > out
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test $? = 1 || fail=1
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compare /dev/null out || fail=1
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env -u b "$(printf 'a=b\nc=')" printenv -0 b a > out
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test $? = 1 || fail=1
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compare exp out || fail=1
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Exit $fail
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