29 lines
600 B
Bash
29 lines
600 B
Bash
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#!/bin/bash
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set -e
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. script_env
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# Delete stale output file.
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rm -f "$SDCARD_IMG"
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# Create empty SD card image.
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dd if=/dev/zero of="$SDCARD_IMG" bs=1M seek=507 count=1
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# Create partition table.
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cat <<END | /sbin/sfdisk "$SDCARD_IMG"
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label: dos
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start=8192, size=512000, type=e
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start=524288, size=512000, type=83
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END
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# Create DOS partition.
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/sbin/mkdosfs -F 16 --offset 8192 ${SDCARD_IMG} 256000
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# Copy files to SD card.
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mcopy -i ${SDCARD_IMG}@@4M ${SDCARD_DIR}/* ::
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# Create empty ext4 partition for configuration.
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/sbin/mke2fs -t ext4 -b 4096 -E offset=$((524288 * 512)) ${SDCARD_IMG} 256000k
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