pirogue-images/build-images

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#!/bin/sh
set -e
NOW=$(date +'%Y-%m-%d')
# Raspberry Pi images are built by modifying a Debian 12 image for the Raspberry
# Pi 4 family:
RASPBERRYPI_IMG_URL=https://raspi.debian.net/tested/20231109_raspi_4_bookworm.img.xz
RASPBERRYPI_SHA_URL="$RASPBERRYPI_IMG_URL.sha256"
# Use a stable name to avoid leaving various files behind when the URL gets
# updated:
RASPBERRYPI_IMG=raspi_4_bookworm.img
# Basename for the target images:
PIROGUE34_IMG="PiRogue-OS-12-Pi3_and_Pi4-$NOW.img"
PIROGUE5E_IMG="PiRogue-OS-12-Pi5-Experimental-$NOW.img"
# List of things we produce:
MANIFEST=$(realpath MANIFEST.txt)
TOP_DIR=$(pwd)
# Helper to build the manifest:
checksum_and_publish() {
FILE="$1"
sha256sum "$FILE" > "$FILE.sha256"
SUB_DIR=$(pwd | sed "s,^$TOP_DIR/,,")
echo "$SUB_DIR/$FILE" >> "$MANIFEST"
echo "$SUB_DIR/$FILE.sha256" >> "$MANIFEST"
}
# Start afresh, manifest-wise:
rm -f $MANIFEST
# We might need to descend into different directories, subshells are
# a way to do that:
(
# Download and check (after switching to the stable name):
cd raspberrypi
wget -O $RASPBERRYPI_IMG.xz "$RASPBERRYPI_IMG_URL"
wget -O $RASPBERRYPI_IMG.xz.sha256 "$RASPBERRYPI_SHA_URL"
sed "s/ .*$/ $RASPBERRYPI_IMG.xz/" -i $RASPBERRYPI_IMG.xz.sha256
shasum -c $RASPBERRYPI_IMG.xz.sha256
# Modify, compress, and checksum:
sudo ./toaster $RASPBERRYPI_IMG.xz "$PIROGUE34_IMG" recipes/pi3-pi4.sh
sudo ./toaster $RASPBERRYPI_IMG.xz "$PIROGUE5E_IMG" recipes/pi5.sh
pixz "$PIROGUE34_IMG"
pixz "$PIROGUE5E_IMG"
checksum_and_publish "$PIROGUE34_IMG.xz"
checksum_and_publish "$PIROGUE5E_IMG.xz"
)