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Add generic extractor for *.FL[12] files
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| #!/bin/bash -x | ||
| # | ||
| # Copyright (C) 2019 onwards, Samveen S. Gulati | ||
| # | ||
| # Script to extract FL1 or FL2 files from Lenovo BIOS update ISO image | ||
| # | ||
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| # EL TORITO offset count (thanks to Hamish Coleman) | ||
| FAT_OFFSET=71680 | ||
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| USAGE="${0} [[-1|--fl1] [-2|--fl2]] {[-i|--iso] ISO_FILE} {[-d|--desc] DESC_FILE} [[-m|--model] PREFIX] [[-s|--suffix] SUFFIX] | [-h|--help] | ||
| -1|--fl1 Extract BIOS update file (.FL1) | ||
| -2|--fl2 Extract EC update file (.FL2) (Default if no option) | ||
| -i|--iso Update ISO to extract the file from | ||
| -d|--desc Path of Descriptions.txt file | ||
| -m|--model Optional model prefix to attach to extracted filenames. | ||
| -s|--suffix Optional suffix to attach to extracted filenames. | ||
| -h|--help Show this help" | ||
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| # Get and parse options | ||
| OPTIONS=$(getopt -o 12i:d:m:s:h --long fl1,fl2,iso:,desc:,model:,suffix:,help -n "$0" -- "$@") | ||
| # Note the quotes around `$OPTIONS': they are essential! | ||
| eval set -- "$OPTIONS" | ||
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| while true ; do | ||
| case "$1" in | ||
| -1|--fl1) FL1=Y ; shift ;; | ||
| -2|--fl2) FL2=Y ; shift ;; | ||
| -i|--iso) ISO=$2 ; shift 2 ;; | ||
| -d|--desc) DESC=$2 ; shift 2 ;; | ||
| -m|--model) MODEL="${2%%.}." ; shift 2 ;; | ||
| -s|--suffix) SUFFIX=".${2##.}" ; shift 2 ;; | ||
| -h|--help) echo "$USAGE"; exit ;; | ||
| --) shift ; break ;; | ||
| *) echo "Internal error!" ; exit 1 ;; | ||
| esac | ||
| done | ||
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| # Reasonable Defaults: extract only FL2 | ||
| if [[ -z $FL1 ]] && [[ -z $FL2 ]]; then | ||
| FL2=Y | ||
| fi | ||
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| [[ -n "$ISO" ]] || { echo -e "Error: Missing ISO filename\n${USAGE}" >&2; exit 2; } | ||
| [[ -f "$ISO" ]] || { echo -e "Error: ${ISO} not found or not a file\n${USAGE}" >&2; exit 4; } | ||
| [[ -f "$DESC" ]] || { echo -e "Error: Missing Descriptions file.\n${USAGE}" >&2; exit 8; } | ||
| [[ -n "$MODEL" ]] && echo "Using ${MODEL} as prefix" >&2 || echo "No model name provided. Not using any prefix" >&2 | ||
| [[ -n "$SUFFIX" ]] && echo "Using ${SUFFIX} as suffix" >&2 || echo "Not using any suffix." >&2 | ||
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| # ./scripts/ISO_copyFL2 from_iso $< $@ $(1) | ||
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| if ! which mdir >/dev/null; then | ||
| echo "Fatal: mtools package not installed or not in path" >&2 | ||
| exit 16 | ||
| fi | ||
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| read -r FL1VERNUM FL1VER FL2VERNUM FL2VER < <(grep -E "^${ISO%%.iso*}" ../Descriptions.txt| \ | ||
| grep BIOS| \ | ||
| grep -v BROKEN| \ | ||
| sed 's/.\+ BIOS //; s/ EC / /; s/[()]//g') | ||
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| # The "internal" filename pattern to match - used in the BIOS update image | ||
| FILELIST="$(mdir -/ -b -f -i "$ISO"@@"$FAT_OFFSET")" | ||
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| if [[ -n $FL1 ]]; then | ||
| FL1PATH="$(echo "$FILELIST" |grep '.FL1$')" | ||
| if [ -z "$FL1PATH" ]; then | ||
| echo "Error: could not find any files in $ISO matching *.FL1" >&2 | ||
| exit 32 | ||
| fi | ||
| if [[ $(echo "$FL1PATH" |wc -l) -gt 1 ]]; then | ||
| echo "Error: $ISO has more than one FL1 files" >&2 | ||
| echo "$FL1PATH" | ||
| exit 64 | ||
| fi | ||
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| FL1NAME="${MODEL}${FL1VER}.${FL1PATH##*/}${SUFFIX}" | ||
| echo "Extracting $FL1PATH (ver $FL1VERNUM) to ${FL1NAME/$/s}" | ||
| mcopy -n -i "$ISO"@@"$FAT_OFFSET" "$FL1PATH" "${FL1NAME/\$/s}" | ||
| fi | ||
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| if [[ -n $FL2 ]]; then | ||
| FL2PATH="$(echo "$FILELIST" |grep '.FL2$')" | ||
| if [ -z "$FL2PATH" ]; then | ||
| echo "Error: could not find any files in $ISO matching *.FL2" >&2 | ||
| exit 32 | ||
| fi | ||
| if [[ $(echo "$FL2PATH" |wc -l) -gt 1 ]]; then | ||
| echo "Error: $ISO has more than one FL2 files" >&2 | ||
| echo "$FL2PATH" | ||
| exit 64 | ||
| fi | ||
| FL2NAME="${MODEL}${FL2VER}.${FL2PATH##*/}${SUFFIX}" | ||
| echo "Extracting $FL2PATH (ver $FL2VERNUM) to ${FL2NAME/$/s}" | ||
| mcopy -n -i "$ISO"@@"$FAT_OFFSET" "$FL2PATH" "${FL2NAME/$/s}" | ||
| fi | ||
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| # vim: expandtab sw=4 ts=4: |