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public text v1 · immutable# merge ro and rw file systems
if [ "x$UNIONTYPE" = "xaufs" ]; then
mount -t aufs -o br:/cow/${KEY}=rw:/rofs=ro aufsroot ${rootmnt}
else
mount -t unionfs -o dirs=/cow/${KEY}=rw:/rofs=ro,debug=1 unionfs ${rootmnt}
fi