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: / lib / dracut / modules.d / 70overlayfs /

Filename : overlayfs-lib.sh

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#!/bin/sh

command -v getarg > /dev/null || . /lib/dracut-lib.sh

# Fetch non-boolean value for rd.overlay or fall back to rd.live.overlay
get_rd_overlay() {
    local overlay

    overlay=$(getarg rd.overlay)
    case $overlay in
        0 | no | off | "" | 1)
            overlay=$(getarg rd.live.overlay) || return 1
            warn "Kernel command line option 'rd.live.overlay' is deprecated, use 'rd.overlay' instead."
            ;;
    esac
    echo "$overlay"
}