148 lines
3.7 KiB
Bash
148 lines
3.7 KiB
Bash
#!/bin/bash
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#
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# file.sh - function for handling the download and extraction of source files
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#
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# Copyright (c) 2015-2016 Pacman Development Team <pacman-dev@archlinux.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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[[ -n "$LIBMAKEPKG_SOURCE_FILE_SH" ]] && return
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LIBMAKEPKG_SOURCE_FILE_SH=1
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LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
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source "$LIBRARY/util/message.sh"
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source "$LIBRARY/util/pkgbuild.sh"
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download_file() {
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local netfile=$1
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local filepath=$(get_filepath "$netfile")
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if [[ -n "$filepath" ]]; then
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msg2 "$(gettext "Found %s")" "${filepath##*/}"
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return
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fi
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local proto=$(get_protocol "$netfile")
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# find the client we should use for this URL
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local -a cmdline
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IFS=' ' read -a cmdline < <(get_downloadclient "$proto")
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(( ${#cmdline[@]} )) || exit
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local filename=$(get_filename "$netfile")
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local url=$(get_url "$netfile")
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if [[ $proto = "scp" ]]; then
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# scp downloads should not pass the protocol in the url
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url="${url##*://}"
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fi
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msg2 "$(gettext "Downloading %s...")" "$filename"
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# temporary download file, default to last component of the URL
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local dlfile="${url##*/}"
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# replace %o by the temporary dlfile if it exists
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if [[ ${cmdline[*]} = *%o* ]]; then
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dlfile=$filename.part
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cmdline=("${cmdline[@]//%o/$dlfile}")
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fi
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# add the URL, either in place of %u or at the end
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if [[ ${cmdline[*]} = *%u* ]]; then
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cmdline=("${cmdline[@]//%u/$url}")
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else
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cmdline+=("$url")
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fi
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if ! command -- "${cmdline[@]}" >&2; then
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[[ ! -s $dlfile ]] && rm -f -- "$dlfile"
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error "$(gettext "Failure while downloading %s")" "$url"
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plain "$(gettext "Aborting...")"
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exit 1
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fi
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# rename the temporary download file to the final destination
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if [[ $dlfile != "$filename" ]]; then
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mv -f "$SRCDEST/$dlfile" "$SRCDEST/$filename"
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fi
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}
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extract_file() {
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local file=$1
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local filepath=$(get_filepath "$file")
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rm -f "$srcdir/${file}"
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ln -s "$filepath" "$srcdir/"
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if in_array "$file" "${noextract[@]}"; then
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# skip source files in the noextract=() array
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# these are marked explicitly to NOT be extracted
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return 0
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fi
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# do not rely on extension for file type
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local file_type=$(file -bizL "$file")
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local ext=${file##*.}
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local cmd=''
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case "$file_type" in
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*application/x-tar*|*application/zip*|*application/x-zip*|*application/x-cpio*)
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cmd="bsdtar" ;;
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*application/x-gzip*)
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case "$ext" in
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gz|z|Z) cmd="gzip" ;;
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*) return;;
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esac ;;
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*application/x-bzip*)
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case "$ext" in
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bz2|bz) cmd="bzip2" ;;
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*) return;;
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esac ;;
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*application/x-xz*)
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case "$ext" in
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xz) cmd="xz" ;;
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*) return;;
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esac ;;
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*)
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# See if bsdtar can recognize the file
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if bsdtar -tf "$file" -q '*' &>/dev/null; then
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cmd="bsdtar"
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else
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return 0
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fi ;;
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esac
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local ret=0
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msg2 "$(gettext "Extracting %s with %s")" "$file" "$cmd"
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if [[ $cmd = "bsdtar" ]]; then
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$cmd -xf "$file" || ret=$?
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else
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rm -f -- "${file%.*}"
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$cmd -dcf "$file" > "${file%.*}" || ret=$?
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fi
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if (( ret )); then
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error "$(gettext "Failed to extract %s")" "$file"
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plain "$(gettext "Aborting...")"
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exit 1
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fi
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if (( EUID == 0 )); then
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# change perms of all source files to root user & root group
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chown -R 0:0 "$srcdir"
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fi
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}
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