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添加 unpackInitrd 函数以解压 initrd 文件，支持多种压缩格式

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Ing 2025-09-23 18:10:35 +08:00
parent 4e5edb325a
commit 80d03e0e3c
1 changed files with 29 additions and 0 deletions
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29
scripts/func.sh
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@ -242,6 +242,35 @@ function getModules() {
echo "Getting Modules end"
}
# unpack initrd
# $1 initrd file
# $2 output path
function unpackInitrd() {
local INITRD_FILE="${1}"
local OUTPUT_PATH="${2}"
[ -z "${INITRD_FILE}" ] || [ ! -f "${INITRD_FILE}" ] && exit 1
[ -z "${OUTPUT_PATH}" ] || [ ! -d "${OUTPUT_PATH}" ] && exit 1
INITRD_FILE="$(realpath "${INITRD_FILE}")"
OUTPUT_PATH="$(realpath "${OUTPUT_PATH}")"
mkdir -p "${OUTPUT_PATH}"
local INITRD_FORMAT
INITRD_FORMAT=$(file -b --mime-type "${INITRD_FILE}")
case "${INITRD_FORMAT}" in
*'x-cpio'*) (cd "${OUTPUT_PATH}" && sudo cpio -idm <"${INITRD_FILE}") >/dev/null 2>&1 ;;
*'x-xz'*) (cd "${OUTPUT_PATH}" && xz -dc "${INITRD_FILE}" | sudo cpio -idm) >/dev/null 2>&1 ;;
*'x-lz4'*) (cd "${OUTPUT_PATH}" && lz4 -dc "${INITRD_FILE}" | sudo cpio -idm) >/dev/null 2>&1 ;;
*'x-lzma'*) (cd "${OUTPUT_PATH}" && lzma -dc "${INITRD_FILE}" | sudo cpio -idm) >/dev/null 2>&1 ;;
*'x-bzip2'*) (cd "${OUTPUT_PATH}" && bzip2 -dc "${INITRD_FILE}" | sudo cpio -idm) >/dev/null 2>&1 ;;
*'gzip'*) (cd "${OUTPUT_PATH}" && gzip -dc "${INITRD_FILE}" | sudo cpio -idm) >/dev/null 2>&1 ;;
*'zstd'*) (cd "${OUTPUT_PATH}" && zstd -dc "${INITRD_FILE}" | sudo cpio -idm) >/dev/null 2>&1 ;;
*) ;;
esac
}
# repack initrd
# $1 initrd file
# $2 plugin path