33 lines
1.2 KiB
Bash
Executable File
33 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# this script depends on /sbin/blkid from the util-linux package
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# usage: blkid <device> <fs_type> [<offset>]
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# <device> may be any device that should be checked.
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# if no <fs_type> is given, the check fails if no valid filesystem is found.
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# if <fs_type> is given, the check fails when no filesystem type <fs_type>
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# is found on the device. if <fs_type> is 'none', the check fails if any
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# know filesystem is found.
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if test ! -x "/sbin/blkid"; then
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echo " - WARNING: blkid from util-linux is not available, impossible to run checks."
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exit 1
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fi
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dev="$1"
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fs="$2"
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offset="${3-}"
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blkid="$(/sbin/blkid -o value -s TYPE -p ${offset:+-O "$offset"} -- "$dev")"
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# blkid output is empty if $dev has an unknown filesystem
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if [ -z "$blkid" ] && [ -z "$fs" ]; then
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echo " - The device $dev does not contain a known filesystem${offset:+" at offset $offset"}."
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exit 1
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elif [ -n "$blkid" ] && [ "$fs" = "none" ]; then
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echo " - The device $dev contains a filesystem type $blkid${offset:+" at offset $offset"}."
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exit 1
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elif [ -n "$fs" ] && [ "$blkid" != "$fs" ]; then
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echo " - The device $dev does not contain a filesystem type $fs${offset:+" at offset $offset"}."
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exit 1
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fi
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