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If sh is not bash, some builtin command behave slightly differently. E.g. if sh is provided by busybox, its builtin test command does not check if the path is a mount point or not, and 'test -w' only checks the access mode of the inode. So, even if a readonly filesystem is mounted on a directory, the test command may succeed. To avoid such confusion, let's unconditionally use bash.
9 lines
426 B
Desktop File
9 lines
426 B
Desktop File
# SPDX-License-Identifier: LGPL-2.1-or-later
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[Unit]
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Description=Test to make sure that passing ProtectKernelModules=yes disconnect mount propagation
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[Service]
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ProtectKernelModules=yes
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ExecStart=bash -x -c 'd=$$(mktemp -d -p /tmp); trap "umount \'$$d\' && rmdir \'$$d\'" EXIT; mount -t tmpfs tmpfs "$$d"; grep "$$d" /proc/self/mountinfo && ! grep "$$d" /proc/$${PPID}/mountinfo && ! grep "$$d" /proc/1/mountinfo'
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Type=oneshot
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