155 lines
3.5 KiB
Plaintext
155 lines
3.5 KiB
Plaintext
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#!/bin/bash
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print_help() {
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echo ""
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echo "Convert an archive from one format to another"
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echo ""
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echo "Usage: to7zip [options] ...files"
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echo ""
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echo "Options:"
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echo " -h, --help Print this help text"
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echo " -d, --delete-old Delete converted file"
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echo " -f, --force Replace the file with the converted file even if the file exists"
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echo " -r, --rezip Extract and archive again even if the converted file is already a 7zip archive"
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echo " -F, --format The format of the output"
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echo " -t, --thread Set the number of threads for archive extraction and creation (default: $thread_count)"
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echo ""
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}
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short_args=hdfrF:t:
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long_args=help,delete-old,force,rezip,format:,thread:
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# default
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rezip=
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delete_old=
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force=
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zip_args=
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thread_count=8
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params=""
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# Parse arguments
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parsed_args=$(getopt --options $short_args --longoptions $long_args --name "$0" -- "$@")
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if [[ $? -ne 0 ]]; then
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echo "Failed to parse arguments"
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exit 2
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fi
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eval set -- "$parsed_args"
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while true; do
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case "$1" in
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-h|--help)
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print_help
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exit 0
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;;
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-d|--delete-old)
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delete_old=y
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shift
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;;
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-f|--force)
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force=y
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shift
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;;
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-r|--rezip)
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rezip=y
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shift
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;;
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-F|--format)
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case "$2" in
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7z)
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;;
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zip)
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zip_args="-tzip"
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output_ext="zip"
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;;
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*)
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echo "Unknown format: $2"
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exit 1
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esac
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shift 2
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;;
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-t|--thread)
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thread_count="$2"
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shift 2
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;;
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--)
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shift
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break
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;;
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*)
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break
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;;
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esac
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done
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out_dir="$PWD"
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if [[ -z "$zip_args" ]]; then
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zip_args="-t7z -m0=lzma2 -ms=on"
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output_ext=7z
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fi
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for f in "$@"; do
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tmp_dir="$(mktemp -d "$PWD/to7zip.XXX")"
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output="$(echo "$f" | sed -E 's/\.(7z|tar\.gz|zip|rar)$//g').$output_ext"
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backup_file="$output".backup
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do_backup=
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if [[ ! -r "$f" ]]; then
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echo "$f : No such file or directory"
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continue
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fi
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echo "$f -> $output"
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if [[ -f "$output" ]]; then
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if [[ -n "$force" ]] || [[ "$f" =~ .7z$ && -n "$rezip" ]]; then
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do_backup=y
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else
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echo "$output : file exists, refusing to continue (-f to force)"
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continue
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fi
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fi
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if [[ "$f" =~ \.tar[^/]*$ ]]; then
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if ! tar -xf "$f" -C "$tmp_dir" >/dev/null; then
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echo "$f : extract failed"
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continue
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fi
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elif [[ "$f" =~ \.tar|gz|bz2|zip|7z$ ]]; then
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if ! 7z e -mmt="$thread_count" -o"$tmp_dir" "$f" >/dev/null; then
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echo "$f : extract failed"
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continue
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fi
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elif [[ "$f" =~ \.rar$ ]]; then
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if ! unrar x "$f" "$tmp_dir" >/dev/null; then
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echo "$f : unrar failed"
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continue
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fi
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else
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cp -r "$f" "$tmp_dir"
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fi
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if [[ -n "$do_backup" ]]; then
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mv "$output" "$backup_file"
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fi
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pushd "$tmp_dir" >/dev/null
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7z a $zip_args -mx=9 -mmt="$thread_count" "$out_dir/$output" >/dev/null
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return_val=$?
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popd >/dev/null
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if [[ $return_val -eq 0 ]]; then
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if [[ -n "$do_backup" ]]; then
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rm -r "$backup_file"
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elif [[ -n "$delete_old" ]]; then
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rm -r "$f"
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fi
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else
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if [[ -n "$do_backup" ]]; then
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mv "$backup_file" "$output"
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fi
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echo "$f : 7z archive failed"
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fi
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rm -r "$tmp_dir"
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done
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