wehub-resource-sync
68 lines
1.9 KiB
Bash
Executable File
68 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
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VM_DIR="$PROJECT_DIR/master/iso"
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DEBIAN_VERSION="13.5.0"
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BASE_URL="https://debian.osuosl.org/debian-cdimage/${DEBIAN_VERSION}"
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# Determine architecture
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ARCH="${1:-}"
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if [ -z "$ARCH" ]; then
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HOST_ARCH="$(uname -m)"
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case "$HOST_ARCH" in
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x86_64|amd64) ARCH="amd64" ;;
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arm64|aarch64) ARCH="arm64" ;;
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*) echo "Error: cannot auto-detect arch from '$HOST_ARCH'; pass arm64 or amd64 as argument" >&2; exit 1 ;;
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esac
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echo "Auto-detected architecture: $ARCH"
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fi
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case "$ARCH" in
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arm64|amd64) ;;
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*) echo "Error: unsupported architecture '$ARCH' (use arm64 or amd64)" >&2; exit 1 ;;
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esac
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ISO_NAME="debian-${DEBIAN_VERSION}-${ARCH}-netinst.iso"
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ISO_URL="${BASE_URL}/${ARCH}/iso-cd/${ISO_NAME}"
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ISO_PATH="$VM_DIR/$ISO_NAME"
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SHA_PATH="$VM_DIR/$ISO_NAME.sha256"
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mkdir -p "$VM_DIR"
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if [ -f "$SHA_PATH" ]; then
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echo "SHA256 file exists: $SHA_PATH"
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if [ -f "$ISO_PATH" ]; then
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echo "ISO already exists, verifying checksum..."
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if (cd "$VM_DIR" && shasum -a 256 -c "$ISO_NAME.sha256"); then
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echo "ISO is valid, nothing to do."
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exit 0
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else
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echo "Checksum mismatch — re-downloading."
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rm -f "$ISO_PATH"
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fi
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fi
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echo "Downloading $ISO_URL ..."
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curl -L --progress-bar -o "$ISO_PATH" "$ISO_URL"
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echo "Verifying downloaded ISO against existing checksum..."
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(cd "$VM_DIR" && shasum -a 256 -c "$ISO_NAME.sha256")
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echo "Download verified."
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else
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if [ -f "$ISO_PATH" ]; then
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echo "ISO exists but no SHA256 file — generating checksum..."
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else
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echo "Downloading $ISO_URL ..."
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curl -L --progress-bar -o "$ISO_PATH" "$ISO_URL"
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fi
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echo "Generating SHA256 checksum..."
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(cd "$VM_DIR" && shasum -a 256 "$ISO_NAME" > "$ISO_NAME.sha256")
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echo "Wrote $SHA_PATH"
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echo "Commit this file to version control: $SHA_PATH"
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fi
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