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start-os/build/save-migration-images.sh
2026-03-26 15:13:54 -06:00

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#!/bin/bash
# Save Docker images needed by the 0.3.6-alpha.0 migration as tarballs
# so they can be bundled into the OS and loaded without internet access.
set -e
ARCH="${ARCH:-x86_64}"
DESTDIR="${1:-build/lib/migration-images}"
if [ "$ARCH" = "x86_64" ]; then
DOCKER_PLATFORM="linux/amd64"
elif [ "$ARCH" = "aarch64" ]; then
DOCKER_PLATFORM="linux/arm64"
else
DOCKER_PLATFORM="linux/$ARCH"
fi
IMAGES=("tonistiigi/binfmt:latest")
if [ "$ARCH" != "riscv64" ]; then
IMAGES=("start9/compat:latest" "start9/utils:latest" "${IMAGES[@]}")
fi
mkdir -p "$DESTDIR"
for IMAGE in "${IMAGES[@]}"; do
FILENAME=$(echo "$IMAGE" | sed 's|/|_|g; s/:/_/g').tar
if [ -f "$DESTDIR/$FILENAME" ]; then
echo "Skipping $IMAGE (already saved)"
continue
fi
echo "Pulling $IMAGE for $DOCKER_PLATFORM..."
docker pull --platform "$DOCKER_PLATFORM" "$IMAGE"
echo "Saving $IMAGE to $DESTDIR/$FILENAME..."
docker save "$IMAGE" -o "$DESTDIR/$FILENAME"
done
echo "Migration images saved to $DESTDIR"