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c5590fa59d
care2docker utilizes a heredoc to generate a dockerfile; shellcheck detects those lines as error, therefore they have been explicitly ignored. Closes: https://github.com/proot-me/proot/pull/110
63 lines
1.6 KiB
Bash
Executable File
63 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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IFS=$'\n\t'
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####
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#
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# CARE re-archiver. Updates a CARE archive in .tgz.bin format.
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# Prerequisites:
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# - a folder containing the extraction of the CARE archive
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# Usage:
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# - add / remove / modify files in the folder
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# - run care_rearchiver.sh archive.tgz.bin archive
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#
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# Copyright Jonathan Passerat-Palmbach, 2016
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#
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####
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archive="$1"
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mode="$2"
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archive_size=$(printf "%d" "0x$(tail -c 8 "${archive}" | hexdump -e '16/1 "%02X"' | cut -d ' ' -f1)")
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file_size=$(stat -c %s "${archive}")
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footer_size=21
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extracting_program_size=$((file_size - archive_size - footer_size))
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archive_no_bin=$(basename "${archive}" .bin)
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function unarchive() {
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dd if="${archive}" of="${archive_no_bin}" bs=1 skip="${extracting_program_size}" count="${archive_size}"
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tar zxf "${archive_no_bin}"
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}
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function archive() {
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folder_name=$(basename "${archive_no_bin}" .tgz)
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new_archive="${folder_name}_new.tgz.bin"
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tar zcf "${archive_no_bin}" "${folder_name}"
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new_archive_size=$(stat -c %s "${archive_no_bin}")
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# add extracter
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dd if="${archive}" of="${new_archive}" bs=1 skip=0 count=${extracting_program_size}
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# add new archive
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dd if="${archive_no_bin}" of="${new_archive}" bs=1 skip=0 seek=${extracting_program_size} count="${new_archive_size}"
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## add footer
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# I_LOVE_PIZZA
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echo -en \\x49\\x5f\\x4c\\x4f\\x56\\x45\\x5f\\x50\\x49\\x5a\\x5a\\x41\\x00 >> "${new_archive}"
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# size
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echo -en "$(printf "%016X" "${new_archive_size}" | sed -e 's/\([0-9A-F]\{2\}\)/\\\x\1/g')" >> "${new_archive}"
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chmod +x "${new_archive}"
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rm "${archive_no_bin}"
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}
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if [ "${mode}" == "archive" ]; then
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archive
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else
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unarchive
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fi
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