61 lines
2.2 KiB
Bash
Executable File
61 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# Script to get latest NixOS netboot file hashes from nix-community/nixos-images
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# Usage: ./update-nixos.sh [version]
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# version: 25.11, unstable, etc. (default: 25.11)
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VERSION="${1:-25.11}"
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BASE_URL="https://github.com/nix-community/nixos-images/releases/download/nixos-${VERSION}"
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MIRROR_BASE="https://dl.jakstys.lt/boot"
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echo "Fetching NixOS netboot files for version: ${VERSION}" >&2
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# Fetch kernel hash
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KERNEL_URL="${BASE_URL}/bzImage-x86_64-linux"
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echo "Downloading kernel from: $KERNEL_URL" >&2
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KERNEL_HASH_B32=$(nix-prefetch-url "$KERNEL_URL" 2>/dev/null)
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KERNEL_HASH_HEX=$(nix-hash --type sha256 --to-base16 "$KERNEL_HASH_B32")
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KERNEL_HASH_SRI=$(nix-hash --type sha256 --to-sri "$KERNEL_HASH_HEX")
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# Fetch initrd hash
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INITRD_URL="${BASE_URL}/initrd-x86_64-linux"
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echo "Downloading initrd from: $INITRD_URL" >&2
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INITRD_HASH_B32=$(nix-prefetch-url "$INITRD_URL" 2>/dev/null)
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INITRD_HASH_HEX=$(nix-hash --type sha256 --to-base16 "$INITRD_HASH_B32")
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INITRD_HASH_SRI=$(nix-hash --type sha256 --to-sri "$INITRD_HASH_HEX")
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echo ""
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echo "Update pkgs/mrescue-nixos.nix with:"
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echo ""
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echo " version = \"${VERSION}\";"
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echo ""
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echo " kernel hash = \"${KERNEL_HASH_SRI}\";"
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echo " initrd hash = \"${INITRD_HASH_SRI}\";"
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echo ""
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# Check mirror availability
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KERNEL_MIRROR="${MIRROR_BASE}/nixos-${VERSION}-bzImage-x86_64-linux"
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INITRD_MIRROR="${MIRROR_BASE}/nixos-${VERSION}-initrd-x86_64-linux"
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echo "Checking mirror availability..." >&2
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KERNEL_EXISTS=$(curl -sI "$KERNEL_MIRROR" | head -1 | grep -q "200" && echo "yes" || echo "no")
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INITRD_EXISTS=$(curl -sI "$INITRD_MIRROR" | head -1 | grep -q "200" && echo "yes" || echo "no")
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if [[ "$KERNEL_EXISTS" == "no" ]] || [[ "$INITRD_EXISTS" == "no" ]]; then
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echo ""
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echo "⚠ Warning: Files not found on mirror!" >&2
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echo ""
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echo "To upload to mirror, run:" >&2
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echo ""
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if [[ "$KERNEL_EXISTS" == "no" ]]; then
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echo " ssh fwminex sh -c 'cd /var/www/dl/boot && wget -O nixos-${VERSION}-bzImage-x86_64-linux ${KERNEL_URL}'" >&2
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fi
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if [[ "$INITRD_EXISTS" == "no" ]]; then
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echo " ssh fwminex sh -c 'cd /var/www/dl/boot && wget -O nixos-${VERSION}-initrd-x86_64-linux ${INITRD_URL}'" >&2
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fi
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echo ""
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else
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echo "✓ All files available on mirror" >&2
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fi
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