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Add generic function to check for target version

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So the test script may use a simple line like i.e.:

aux target_at_least dm-thin-pool 1 0 0 || skip
aux target_at_least snapshot-origin 1 6 || skip
This commit is contained in:
Zdenek Kabelac 2011-11-10 12:44:00 +00:00
parent 6e89eb9a52
commit 0641b3883d
1 changed files with 33 additions and 0 deletions
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33
test/lib/aux.sh
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@ -448,6 +448,39 @@ udev_wait() {
fi
}
#
# Check wheter kernel [dm module] target exist
# at least in expected version
#
# [dm-]target-name major minor revision
#
# i.e. dm_target_at_least dm-thin-pool 1 0
target_at_least()
{
case "$1" in
dm-*) modprobe "$1" ;;
esac
version=$(dmsetup targets 2>/dev/null | grep "${1##dm-} " 2>/dev/null)
version=${version##* v}
shift
major=$(echo $version | cut -d. -f1)
minor=$(echo $version | cut -d. -f2)
revision=$(echo $version | cut -d. -f3)
test -z "$1" && return 0
test -z "$major" && return 1
test "$major" -gt "$1" && return 0
test "$major" -lt "$1" && return 1
test -z "$2" && return 0
test -z "$minor" && return 1
test "$minor" -gt "$2" && return 0
test "$minor" -lt "$2" && return 1
test -z "$4" && return 0
test -z "$revision" && return 1
test "$revision" -lt "$3" && return 1
}
test -f DEVICES && devs=$(cat DEVICES)
test -f LOOP && LOOP=$(cat LOOP)