mirror of
https://github.com/raspberrypi/rpi-eeprom.git
synced 2026-01-21 06:13:33 +08:00
67 lines
1.6 KiB
Bash
Executable File
67 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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set -e
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die() {
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echo "$@" >&2
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exit 1
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}
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cleanup() {
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if [ -d "${TMP_DIR}" ]; then
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rm -rf "${TMP_DIR}"
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fi
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}
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trap cleanup EXIT
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[ "$(id -u)" = "0" ] || die "$(basename $0) must be run as root"
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[ -n "${SUDO_UID}" ] || die "SUDO_UID not defined"
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[ -n "${SUDO_GID}" ] || die "SUDO_GID not defined"
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for src in release/*.zip; do
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src=$(basename "${src}")
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img=$(echo "${src}" | sed 's/\.zip/.img/')
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TMP_DIR=$(mktemp -d)
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(
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cp "release/${src}" "${TMP_DIR}"
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mkdir "${TMP_DIR}/files"
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cd "${TMP_DIR}/files"
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unzip "../${src}"
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cd "${TMP_DIR}"
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dd if=/dev/zero bs=1M count=258 of=temp.img
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/sbin/sfdisk temp.img <<EOF
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label: dos
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label-id: 0x0a7b5ac5
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device: temp.img
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unit: sectors
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./test.img1 : start= 2048, size= 524288, type=c
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EOF
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file temp.img
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kpartx -lv temp.img | head -n1 | awk '{print $1}'
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LOOP="/dev/mapper/$(kpartx -lv temp.img | head -n1 | awk '{print $1}')"
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kpartx -av temp.img
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/sbin/mkfs.fat -F 32 -s 1 "${LOOP}"
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mkdir fs
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mount "${LOOP}" fs
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cp -v files/* fs
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sync
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sleep 5
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umount fs
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# Delay before calling kpartx otherwise it's sometimes possible to get orphaned loopback devices
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sleep 5
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kpartx -dv temp.img
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)
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mkdir -p images
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chown "${SUDO_UID}:${SUDO_GID}" images
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mv "${TMP_DIR}/temp.img" "images/${img}"
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file "images/${img}"
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cd images
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zip "${src}" "${img}"
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cd ..
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rm "images/${img}"
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chown "${SUDO_UID}:${SUDO_GID}" "images/${src}"
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done
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echo "Wrote images for rpi-imager to $(pwd)/images/${src}"
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