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@ -5,7 +5,24 @@ export DEBIAN_FRONTEND=noninteractive
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dpkg --add-architecture arm64
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# 保留基础镜像默认 amd64 源，只补充 arm64 ports 源，避免覆盖后出现源配置兼容问题。
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# 强制将默认源限制为 amd64，避免 apt 去 archive/security 拉 arm64 索引（会 404）。
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if [[ -f /etc/apt/sources.list ]]; then
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cp /etc/apt/sources.list /etc/apt/sources.list.bak
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sed -E -i \
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-e 's|^deb[[:space:]]+http://|deb [arch=amd64] http://|g' \
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-e 's|^deb[[:space:]]+https://|deb [arch=amd64] https://|g' \
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/etc/apt/sources.list
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fi
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for list_file in /etc/apt/sources.list.d/*.list; do
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[[ -e "$list_file" ]] || continue
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sed -E -i \
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-e 's|^deb[[:space:]]+http://|deb [arch=amd64] http://|g' \
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-e 's|^deb[[:space:]]+https://|deb [arch=amd64] https://|g' \
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"$list_file"
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done
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# 清理并重建 arm64 ports 源，仅用于 arm64 索引与依赖解析。
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rm -f /etc/apt/sources.list.d/arm64-ports.list
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cat > /etc/apt/sources.list.d/arm64-ports.list <<'EOF'
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deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports focal main restricted universe multiverse
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