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#!/bin/sh
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set -e
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ROOTFS_OUTPUT_FILE_NAME=$1
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ARTIFACT_NAME=$2
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DEVICE_TYPE=$3
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mkdir /root_system
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mount /root_images/$ROOTFS_OUTPUT_FILE_NAME /root_system
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if [ -f /root_system/usr/bin/qemu-arm-static ]; then
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echo "WARNING: /usr/bin/qemu-arm-static already exists in image. Using this but may be of incompatible version."
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QEMU_STATIC_COPIED=false
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else
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# trick to make chroot into ARM image work
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cp /usr/bin/qemu-arm-static /root_system/usr/bin
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QEMU_STATIC_COPIED=true
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fi
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echo "Entering emulated shell in device image. All commands are run as the root user of the device image."
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echo "Make changes (e.g. apt update, apt upgrade, wget ...) and press Ctrl-D when done."
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# Using bash for command completion support and other conveniences
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chroot /root_system /bin/bash
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# Mender Artifact name must also be present inside
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echo artifact_name=$ARTIFACT_NAME > /root_system/etc/mender/artifact_info
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if [ "$QEMU_STATIC_COPIED" = true ]; then
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rm /root_system/usr/bin/qemu-arm-static
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fi
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umount /root_system
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echo "Creating Mender Artifact. This may take 10-20 minutes (using LZMA)..."
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mender-artifact --compression lzma write rootfs-image -t $DEVICE_TYPE -n $ARTIFACT_NAME -f /root_images/$ROOTFS_OUTPUT_FILE_NAME -o /root_images/$ARTIFACT_NAME.mender
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sync
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