65 lines
1.7 KiB
Bash
Executable File
65 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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# 检查是否以 root 权限运行
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if [[ $EUID -ne 0 ]]; then
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echo "错误：此脚本必须以 root 权限运行！"
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exit 1
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fi
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# 获取项目根目录（无论从哪里调用脚本）
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root_folder="$(cd "$(dirname "$0")/.." && pwd)"
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echo "项目根目录：$root_folder"
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mkdir -p "$root_folder/bin"
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LOOP_DEVICE=""
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# 自动清理 trap
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cleanup() {
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if [[ -n "${LOOP_DEVICE:-}" ]]; then
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echo "清理：释放 loop 设备 $LOOP_DEVICE"
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losetup -d "$LOOP_DEVICE" || echo "警告：无法释放 $LOOP_DEVICE"
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fi
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}
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trap cleanup EXIT
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# 创建 ext4 镜像
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EXT4_IMG="ext4.img"
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EXT4_SIZE="1G"
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echo "创建 ext4 镜像 $EXT4_IMG 大小 $EXT4_SIZE"
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dd if=/dev/zero of="$EXT4_IMG" bs=1M count=1024 status=progress
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LOOP_DEVICE=$(losetup --find --show "$EXT4_IMG")
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echo "loop 设备为 $LOOP_DEVICE"
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echo "格式化为 ext4..."
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mkfs.ext4 "$LOOP_DEVICE"
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losetup -d "$LOOP_DEVICE"
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LOOP_DEVICE=""
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mv "$EXT4_IMG" "$root_folder/bin/$EXT4_IMG"
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echo "ext4 镜像已保存到 $root_folder/bin/$EXT4_IMG"
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# 创建 fat 镜像
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FAT_IMG="fat.img"
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FAT_SIZE="64M"
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echo "创建 fat 镜像 $FAT_IMG 大小 $FAT_SIZE"
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dd if=/dev/zero of="$FAT_IMG" bs=1M count=64 status=progress
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# 创建分区表和分区
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parted -s "$FAT_IMG" mklabel msdos
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parted -s "$FAT_IMG" mkpart primary fat32 1MiB 100%
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LOOP_DEVICE=$(losetup --find --partscan --show "$FAT_IMG")
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PARTITION="${LOOP_DEVICE}p1"
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echo "loop 设备为 $LOOP_DEVICE，分区为 $PARTITION"
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sleep 1 # 等待内核识别分区
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echo "格式化为 fat32..."
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mkfs.vfat -F 32 "$PARTITION"
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losetup -d "$LOOP_DEVICE"
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LOOP_DEVICE=""
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mv "$FAT_IMG" "$root_folder/bin/$FAT_IMG"
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echo "fat 镜像已保存到 $root_folder/bin/$FAT_IMG"
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