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style(extract): adopt main code style guide and refactor variables
This commit is contained in:
Marc Cornellà
parent
10a00085d0
commit
0b32e4b25f
@ -1,90 +1,85 @@
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alias x=extract
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extract() {
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setopt localoptions noautopushd
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setopt localoptions noautopushd
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local remove_archive
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local success
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local extract_dir
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if (( $# == 0 )); then
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cat >&2 <<'EOF'
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Usage: extract [-option] [file ...]
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if (( $# == 0 )); then
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cat <<-'EOF' >&2
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Usage: extract [-option] [file ...]
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Options:
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-r, --remove Remove archive after unpacking.
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EOF
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fi
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Options:
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-r, --remove Remove archive after unpacking.
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EOF
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fi
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local remove_archive=1
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if [[ "$1" == "-r" ]] || [[ "$1" == "--remove" ]]; then
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remove_archive=0
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shift
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fi
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remove_archive=1
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if [[ "$1" == "-r" ]] || [[ "$1" == "--remove" ]]; then
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remove_archive=0
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shift
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fi
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local pwd="$PWD"
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while (( $# > 0 )); do
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if [[ ! -f "$1" ]]; then
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echo "extract: '$1' is not a valid file" >&2
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shift
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continue
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fi
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local pwd="$PWD"
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while (( $# > 0 )); do
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if [[ ! -f "$1" ]]; then
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echo "extract: '$1' is not a valid file" >&2
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shift
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continue
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fi
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local success=0
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local extract_dir="${1:t:r}"
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local file="$1" full_path="${1:A}"
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case "${file:l}" in
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(*.tar.gz|*.tgz) (( $+commands[pigz] )) && { pigz -dc "$file" | tar xv } || tar zxvf "$file" ;;
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(*.tar.bz2|*.tbz|*.tbz2) tar xvjf "$file" ;;
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(*.tar.xz|*.txz)
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tar --xz --help &> /dev/null \
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&& tar --xz -xvf "$file" \
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|| xzcat "$file" | tar xvf - ;;
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(*.tar.zma|*.tlz)
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tar --lzma --help &> /dev/null \
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&& tar --lzma -xvf "$file" \
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|| lzcat "$file" | tar xvf - ;;
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(*.tar.zst|*.tzst)
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tar --zstd --help &> /dev/null \
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&& tar --zstd -xvf "$file" \
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|| zstdcat "$file" | tar xvf - ;;
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(*.tar) tar xvf "$file" ;;
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(*.tar.lz) (( $+commands[lzip] )) && tar xvf "$file" ;;
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(*.tar.lz4) lz4 -c -d "$file" | tar xvf - ;;
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(*.tar.lrz) (( $+commands[lrzuntar] )) && lrzuntar "$file" ;;
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(*.gz) (( $+commands[pigz] )) && pigz -dk "$file" || gunzip -k "$file" ;;
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(*.bz2) bunzip2 "$file" ;;
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(*.xz) unxz "$file" ;;
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(*.lrz) (( $+commands[lrunzip] )) && lrunzip "$file" ;;
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(*.lz4) lz4 -d "$file" ;;
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(*.lzma) unlzma "$file" ;;
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(*.z) uncompress "$file" ;;
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(*.zip|*.war|*.jar|*.ear|*.sublime-package|*.ipa|*.ipsw|*.xpi|*.apk|*.aar|*.whl) unzip "$file" -d "$extract_dir" ;;
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(*.rar) unrar x -ad "$file" ;;
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(*.rpm)
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command mkdir -p "$extract_dir" && builtin cd -q "$extract_dir" \
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&& rpm2cpio "$full_path" | cpio --quiet -id ;;
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(*.7z) 7za x "$file" ;;
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(*.deb)
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command mkdir -p "$extract_dir/control" "$extract_dir/data"
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builtin cd -q "$extract_dir"; ar vx "$full_path" > /dev/null
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builtin cd -q control; extract ../control.tar.*
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builtin cd -q ../data; extract ../data.tar.*
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builtin cd -q ..; command rm *.tar.* debian-binary ;;
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(*.zst) unzstd "$file" ;;
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(*.cab) cabextract -d "$extract_dir" "$file" ;;
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(*.cpio) cpio -idmvF "$file" ;;
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(*)
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echo "extract: '$file' cannot be extracted" >&2
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success=1 ;;
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esac
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success=0
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extract_dir="${1:t:r}"
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local full_path="${1:A}"
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case "${1:l}" in
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(*.tar.gz|*.tgz) (( $+commands[pigz] )) && { pigz -dc "$1" | tar xv } || tar zxvf "$1" ;;
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(*.tar.bz2|*.tbz|*.tbz2) tar xvjf "$1" ;;
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(*.tar.xz|*.txz)
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tar --xz --help &> /dev/null \
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&& tar --xz -xvf "$1" \
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|| xzcat "$1" | tar xvf - ;;
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(*.tar.zma|*.tlz)
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tar --lzma --help &> /dev/null \
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&& tar --lzma -xvf "$1" \
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|| lzcat "$1" | tar xvf - ;;
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(*.tar.zst|*.tzst)
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tar --zstd --help &> /dev/null \
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&& tar --zstd -xvf "$1" \
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|| zstdcat "$1" | tar xvf - ;;
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(*.tar) tar xvf "$1" ;;
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(*.tar.lz) (( $+commands[lzip] )) && tar xvf "$1" ;;
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(*.tar.lz4) lz4 -c -d "$1" | tar xvf - ;;
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(*.tar.lrz) (( $+commands[lrzuntar] )) && lrzuntar "$1" ;;
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(*.gz) (( $+commands[pigz] )) && pigz -dk "$1" || gunzip -k "$1" ;;
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(*.bz2) bunzip2 "$1" ;;
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(*.xz) unxz "$1" ;;
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(*.lrz) (( $+commands[lrunzip] )) && lrunzip "$1" ;;
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(*.lz4) lz4 -d "$1" ;;
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(*.lzma) unlzma "$1" ;;
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(*.z) uncompress "$1" ;;
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(*.zip|*.war|*.jar|*.ear|*.sublime-package|*.ipa|*.ipsw|*.xpi|*.apk|*.aar|*.whl) unzip "$1" -d "$extract_dir" ;;
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(*.rar) unrar x -ad "$1" ;;
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(*.rpm)
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command mkdir -p "$extract_dir" && builtin cd -q "$extract_dir" \
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&& rpm2cpio "$full_path" | cpio --quiet -id ;;
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(*.7z) 7za x "$1" ;;
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(*.deb)
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command mkdir -p "$extract_dir/control" "$extract_dir/data"
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builtin cd -q "$extract_dir"; ar vx "$full_path" > /dev/null
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builtin cd -q control; extract ../control.tar.*
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builtin cd -q ../data; extract ../data.tar.*
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builtin cd -q ..; command rm *.tar.* debian-binary ;;
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(*.zst) unzstd "$1" ;;
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(*.cab) cabextract -d "$extract_dir" "$1" ;;
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(*.cpio) cpio -idmvF "$1" ;;
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(*)
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echo "extract: '$1' cannot be extracted" >&2
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success=1
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;;
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esac
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(( success = success > 0 ? success : $? ))
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(( success == 0 && remove_archive == 0 )) && rm "$full_path"
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shift
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(( success = success > 0 ? success : $? ))
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(( success == 0 && remove_archive == 0 )) && rm "$full_path"
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shift
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# Go back to original working directory in case we ran cd previously
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builtin cd -q "$pwd"
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done
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# Go back to original working directory in case we ran cd previously
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builtin cd -q "$pwd"
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done
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}
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