#!/bin/sh

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type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh

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[ -z "$root" ] && root=$(getarg root=)

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[ "${root%%:*}" = "nbd" ] || exit 0

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GENERATOR_DIR="$2"

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[ -z "$GENERATOR_DIR" ] && exit 1

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[ -d "$GENERATOR_DIR" ] || mkdir "$GENERATOR_DIR"

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ROOTFLAGS="$(getarg rootflags)"

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nroot=${root#nbd:}

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nbdserver=${nroot%%:*}; nroot=${nroot#*:}

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nbdport=${nroot%%:*}; nroot=${nroot#*:}

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nbdfstype=${nroot%%:*}; nroot=${nroot#*:}

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nbdflags=${nroot%%:*}

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if [ "$nbdflags" = "$nbdfstype" ]; then

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unset nbdflags

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fi

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if [ "$nbdfstype" = "$nbdport" ]; then

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unset nbdfstype

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fi

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[ -n "$nbdflags" ] && ROOTFLAGS="$nbdflags"

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if getarg "ro"; then

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if [ -n "$ROOTFLAGS" ]; then

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ROOTFLAGS="$ROOTFLAGS,ro"

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else

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ROOTFLAGS="ro"

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fi

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fi

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if [ -n "$nbdfstype" ]; then

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ROOTFSTYPE="$nbdfstype"

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else

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ROOTFSTYPE=$(getarg rootfstype=) || unset ROOTFSTYPE

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fi

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{

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echo "[Unit]"

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echo "Before=initrd-root-fs.target"

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echo "[Mount]"

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echo "Where=/sysroot"

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echo "What=/dev/root"

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[ -n "$ROOTFSTYPE" ] && echo "Type=${ROOTFSTYPE}"

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[ -n "$ROOTFLAGS" ] && echo "Options=${ROOTFLAGS}"

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} > "$GENERATOR_DIR"/sysroot.mount

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exit 0

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