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47 lines
1.5 KiB
Bash
Executable File
47 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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# This is just for the record.
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# This test is not run.
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# Copyright (C) 2005 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 2 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, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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# Test for the 2005-10-13 patch to lib/mkdir-p.c that fixed this sort
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# of bug in mkdir:
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#
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# "mkdir -p /a/b/c" no longer fails merely because a leading prefix
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# directory (e.g., /a or /a/b) exists on a read-only file system.
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#
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# Demonstrate the problem, as root:
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mount='sudo mount'
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cd /tmp \
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&& dd if=/dev/zero of=1 bs=8192 count=50 \
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&& dd if=/dev/zero of=2 bs=8192 count=50 \
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&& mkdir -p mnt-ro && mkfs -t ext2 1 && mkfs -t ext2 2 \
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&& $mount -o loop=/dev/loop3 1 mnt-ro \
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&& mkdir -p mnt-ro/rw \
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&& $mount -o remount,ro mnt-ro \
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&& $mount -o loop=/dev/loop4 2 mnt-ro/rw
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mkdir -p mnt-ro/rw/sub || fail=1
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# To clean up
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umount /tmp/2
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umount /tmp/1
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rm -rf /tmp/[12]
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