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3f65fe5d62
This replaces deprecated backticks by more versatile $(...) syntax. Found with shellcheck. Signed-off-by: Rosen Penev <rosenp@gmail.com> [adjust commit title and message] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
36 lines
1022 B
Bash
Executable File
36 lines
1022 B
Bash
Executable File
#!/usr/bin/env bash
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# Copyright (C) 2006-2012 OpenWrt.org
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set -e -x
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[ $# == 5 -o $# == 6 ] || {
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echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <rootfs size> <rootfs image> [<align>]"
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exit 1
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}
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OUTPUT="$1"
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KERNELSIZE="$2"
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KERNELDIR="$3"
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ROOTFSSIZE="$4"
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ROOTFSIMAGE="$5"
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ALIGN="$6"
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rm -f "$OUTPUT"
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head=16
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sect=63
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cyl=$(( (KERNELSIZE + ROOTFSSIZE) * 1024 * 1024 / (head * sect * 512)))
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# create partition table
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set $(ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE})
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KERNELOFFSET="$(($1 / 512))"
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KERNELSIZE="$2"
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ROOTFSOFFSET="$(($3 / 512))"
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ROOTFSSIZE="$(($4 / 512))"
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[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE"
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dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc
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make_ext4fs -J -L kernel -l "$KERNELSIZE" "$OUTPUT.kernel" "$KERNELDIR"
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dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc
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rm -f "$OUTPUT.kernel"
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