145 lines
3.4 KiB
Bash
145 lines
3.4 KiB
Bash
#!/bin/bash
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#
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# source.sh - functions to extract information from source URLs
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#
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# Copyright (c) 2010-2016 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 "$LIBMAKEPKG_UTIL_SOURCE_SH" ]] && return
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LIBMAKEPKG_UTIL_SOURCE_SH=1
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LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
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source "$LIBRARY/util/message.sh"
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# a source entry can have two forms :
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# 1) "filename::http://path/to/file"
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# 2) "http://path/to/file"
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# extract the URL from a source entry
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get_url() {
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# strip an eventual filename
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printf "%s\n" "${1#*::}"
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}
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# extract the protocol from a source entry - return "local" for local sources
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get_protocol() {
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if [[ $1 = *://* ]]; then
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# strip leading filename
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local proto="${1#*::}"
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printf "%s\n" "${proto%%://*}"
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elif [[ $1 = *lp:* ]]; then
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local proto="${1#*::}"
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printf "%s\n" "${proto%%lp:*}"
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else
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printf "%s\n" local
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fi
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}
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# extract the filename from a source entry
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get_filename() {
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local netfile=$1
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# if a filename is specified, use it
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if [[ $netfile = *::* ]]; then
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printf "%s\n" ${netfile%%::*}
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return
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fi
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local proto=$(get_protocol "$netfile")
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case $proto in
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bzr*|git*|hg*|svn*)
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filename=${netfile%%#*}
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filename=${filename%/}
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filename=${filename##*/}
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if [[ $proto = bzr* ]]; then
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filename=${filename#*lp:}
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fi
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if [[ $proto = git* ]]; then
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filename=${filename%%.git*}
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fi
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;;
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*)
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# if it is just an URL, we only keep the last component
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filename="${netfile##*/}"
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;;
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esac
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printf "%s\n" "${filename}"
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}
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# Return the absolute filename of a source entry
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get_filepath() {
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local file="$(get_filename "$1")"
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local proto="$(get_protocol "$1")"
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case $proto in
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bzr*|git*|hg*|svn*)
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if [[ -d "$startdir/$file" ]]; then
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file="$startdir/$file"
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elif [[ -d "$SRCDEST/$file" ]]; then
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file="$SRCDEST/$file"
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else
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return 1
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fi
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;;
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*)
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if [[ -f "$startdir/$file" ]]; then
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file="$startdir/$file"
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elif [[ -f "$SRCDEST/$file" ]]; then
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file="$SRCDEST/$file"
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else
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return 1
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fi
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;;
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esac
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printf "%s\n" "$file"
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}
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get_downloadclient() {
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local proto=$1
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# loop through DOWNLOAD_AGENTS variable looking for protocol
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local i
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for i in "${DLAGENTS[@]}"; do
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local handler="${i%%::*}"
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if [[ $proto = "$handler" ]]; then
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local agent="${i#*::}"
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break
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fi
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done
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# if we didn't find an agent, return an error
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if [[ -z $agent ]]; then
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error "$(gettext "Unknown download protocol: %s")" "$proto"
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plain "$(gettext "Aborting...")"
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exit 1 # $E_CONFIG_ERROR
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fi
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# ensure specified program is installed
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local program="${agent%% *}"
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if [[ ! -x $program ]]; then
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local baseprog="${program##*/}"
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error "$(gettext "The download program %s is not installed.")" "$baseprog"
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plain "$(gettext "Aborting...")"
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exit 1 # $E_MISSING_PROGRAM
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fi
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printf "%s\n" "$agent"
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}
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