libmakepkg: extract functions for source download and extraction

Signed-off-by: Allan McRae <allan@archlinux.org>

8 files changed, 734 insertions, 0 deletions

diff --git a/scripts/libmakepkg/.gitignore b/scripts/libmakepkg/.gitignore
index 18442a8d..1b1f186f 100644
--- a/scripts/libmakepkg/.gitignore
+++ b/scripts/libmakepkg/.gitignore
@@ -2,6 +2,8 @@ lint_package.sh
 lint_package/*.sh
 lint_pkgbuild.sh
 lint_pkgbuild/*.sh
+source.sh
+source/*.sh
 tidy.sh
 tidy/*.sh
 /util.sh
diff --git a/scripts/libmakepkg/source.sh.in b/scripts/libmakepkg/source.sh.in
new file mode 100644
index 00000000..93a69b4b
--- /dev/null
+++ b/scripts/libmakepkg/source.sh.in
@@ -0,0 +1,113 @@
+#!/bin/bash
+#
+#   source.sh - functions for downloading and extracting sources
+#
+#   Copyright (c) 2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_SOURCE_SH" ]] && return
+LIBMAKEPKG_SOURCE_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+source "$LIBRARY/util/source.sh"
+
+
+for lib in "$LIBRARY/source/"*.sh; do
+	source "$lib"
+done
+
+
+download_sources() {
+	local netfile all_sources
+	local get_source_fn=get_all_sources_for_arch get_vcs=1
+
+	msg "$(gettext "Retrieving sources...")"
+
+	while true; do
+		case $1 in
+			allarch)
+				get_source_fn=get_all_sources
+				;;
+			novcs)
+				get_vcs=0
+				;;
+			*)
+				break 2
+				;;
+		esac
+		shift
+	done
+
+	"$get_source_fn" 'all_sources'
+	for netfile in "${all_sources[@]}"; do
+		pushd "$SRCDEST" &>/dev/null
+
+		local proto=$(get_protocol "$netfile")
+		case "$proto" in
+			local)
+				download_local "$netfile"
+				;;
+			bzr*)
+				(( get_vcs )) && download_bzr "$netfile"
+				;;
+			git*)
+				(( get_vcs )) && download_git "$netfile"
+				;;
+			hg*)
+				(( get_vcs )) && download_hg "$netfile"
+				;;
+			svn*)
+				(( get_vcs )) && download_svn "$netfile"
+				;;
+			*)
+				download_file "$netfile"
+				;;
+		esac
+
+		popd &>/dev/null
+	done
+}
+
+extract_sources() {
+	msg "$(gettext "Extracting sources...")"
+	local netfile all_sources
+
+	get_all_sources_for_arch 'all_sources'
+	for netfile in "${all_sources[@]}"; do
+		local file=$(get_filename "$netfile")
+		local proto=$(get_protocol "$netfile")
+		case "$proto" in
+			bzr*)
+				extract_bzr "$netfile"
+				;;
+			git*)
+				extract_git "$netfile"
+				;;
+			hg*)
+				extract_hg "$netfile"
+				;;
+			svn*)
+				extract_svn "$netfile"
+				;;
+			*)
+				extract_file "$file"
+				;;
+		esac
+	done
+}
diff --git a/scripts/libmakepkg/source/bzr.sh.in b/scripts/libmakepkg/source/bzr.sh.in
new file mode 100644
index 00000000..e8da28be
--- /dev/null
+++ b/scripts/libmakepkg/source/bzr.sh.in
@@ -0,0 +1,106 @@
+#!/bin/bash
+#
+#   bzr.sh - function for handling the download and "extraction" of Bazaar sources
+#
+#   Copyright (c) 2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_SOURCE_BZR_SH" ]] && return
+LIBMAKEPKG_SOURCE_BZR_SH=1
+
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+download_bzr() {
+	local netfile=$1
+
+	local url=$(get_url "$netfile")
+	if [[ $url != bzr+ssh* ]]; then
+		url=${url#bzr+}
+	fi
+	url=${url%%#*}
+
+	local repo=$(get_filename "$netfile")
+	local displaylocation="$url"
+
+	local dir=$(get_filepath "$netfile")
+	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"
+
+	if [[ ! -d "$dir" ]] || dir_is_empty "$dir" ; then
+		msg2 "$(gettext "Branching %s ...")" "${displaylocation}"
+		if ! bzr branch "$url" "$dir" --no-tree --use-existing-dir; then
+			error "$(gettext "Failure while branching %s")" "${displaylocation}"
+			plain "$(gettext "Aborting...")"
+			exit 1
+		fi
+	elif (( ! HOLDVER )); then
+		msg2 "$(gettext "Pulling %s ...")" "${displaylocation}"
+		cd_safe "$dir"
+		if ! bzr pull "$url"; then
+			# only warn on failure to allow offline builds
+			warning "$(gettext "Failure while pulling %s")" "${displaylocation}"
+		fi
+	fi
+}
+
+extract_bzr() {
+	local netfile=$1
+
+	local repo=$(get_filename "$netfile")
+	local fragment=${netfile#*#}
+	if [[ $fragment = "$netfile" ]]; then
+		unset fragment
+	fi
+
+	rev="last:1"
+	if [[ -n $fragment ]]; then
+		case ${fragment%%=*} in
+			revision)
+				rev="${fragment#*=}"
+				displaylocation="$url -r ${fragment#*=}"
+				;;
+			*)
+				error "$(gettext "Unrecognized reference: %s")" "${fragment}"
+				plain "$(gettext "Aborting...")"
+				exit 1
+		esac
+	fi
+
+	local dir=$(get_filepath "$netfile")
+	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"
+
+	msg2 "$(gettext "Creating working copy of %s %s repo...")" "${repo}" "bzr"
+	pushd "$srcdir" &>/dev/null
+
+	if [[ -d "${dir##*/}" ]]; then
+		cd_safe "${dir##*/}"
+		if ! (bzr pull "$dir" -q --overwrite -r "$rev" && bzr clean-tree -q --detritus --force); then
+			error "$(gettext "Failure while updating working copy of %s %s repo")" "${repo}" "bzr"
+			plain "$(gettext "Aborting...")"
+			exit 1
+		fi
+	elif ! bzr checkout "$dir" -r "$rev"; then
+		error "$(gettext "Failure while creating working copy of %s %s repo")" "${repo}" "bzr"
+		plain "$(gettext "Aborting...")"
+		exit 1
+	fi
+
+	popd &>/dev/null
+}
diff --git a/scripts/libmakepkg/source/file.sh.in b/scripts/libmakepkg/source/file.sh.in
new file mode 100644
index 00000000..03dabe63
--- /dev/null
+++ b/scripts/libmakepkg/source/file.sh.in
@@ -0,0 +1,147 @@
+#!/bin/bash
+#
+#   file.sh - function for handling the download and extraction of source files
+#
+#   Copyright (c) 2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_SOURCE_FILE_SH" ]] && return
+LIBMAKEPKG_SOURCE_FILE_SH=1
+
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+download_file() {
+	local netfile=$1
+
+	local filepath=$(get_filepath "$netfile")
+	if [[ -n "$filepath" ]]; then
+		msg2 "$(gettext "Found %s")" "${filepath##*/}"
+		return
+	fi
+
+	local proto=$(get_protocol "$netfile")
+
+	# find the client we should use for this URL
+	local -a cmdline
+	IFS=' ' read -a cmdline < <(get_downloadclient "$proto")
+	(( ${#cmdline[@]} )) || exit
+
+	local filename=$(get_filename "$netfile")
+	local url=$(get_url "$netfile")
+
+	if [[ $proto = "scp" ]]; then
+		# scp downloads should not pass the protocol in the url
+		url="${url##*://}"
+	fi
+
+	msg2 "$(gettext "Downloading %s...")" "$filename"
+
+	# temporary download file, default to last component of the URL
+	local dlfile="${url##*/}"
+
+	# replace %o by the temporary dlfile if it exists
+	if [[ ${cmdline[*]} = *%o* ]]; then
+		dlfile=$filename.part
+		cmdline=("${cmdline[@]//%o/$dlfile}")
+	fi
+	# add the URL, either in place of %u or at the end
+	if [[ ${cmdline[*]} = *%u* ]]; then
+		cmdline=("${cmdline[@]//%u/$url}")
+	else
+		cmdline+=("$url")
+	fi
+
+	if ! command -- "${cmdline[@]}" >&2; then
+		[[ ! -s $dlfile ]] && rm -f -- "$dlfile"
+		error "$(gettext "Failure while downloading %s")" "$filename"
+		plain "$(gettext "Aborting...")"
+		exit 1
+	fi
+
+	# rename the temporary download file to the final destination
+	if [[ $dlfile != "$filename" ]]; then
+		mv -f "$SRCDEST/$dlfile" "$SRCDEST/$filename"
+	fi
+}
+
+extract_file() {
+	local file=$1
+
+	local filepath=$(get_filepath "$file")
+	rm -f "$srcdir/${file}"
+	ln -s "$filepath" "$srcdir/"
+
+	if in_array "$file" "${noextract[@]}"; then
+		# skip source files in the noextract=() array
+		# these are marked explicitly to NOT be extracted
+		return 0
+	fi
+
+	# do not rely on extension for file type
+	local file_type=$(file -bizL "$file")
+	local ext=${file##*.}
+	local cmd=''
+	case "$file_type" in
+		*application/x-tar*|*application/zip*|*application/x-zip*|*application/x-cpio*)
+			cmd="bsdtar" ;;
+		*application/x-gzip*)
+			case "$ext" in
+				gz|z|Z) cmd="gzip" ;;
+				*) return;;
+			esac ;;
+		*application/x-bzip*)
+			case "$ext" in
+				bz2|bz) cmd="bzip2" ;;
+				*) return;;
+			esac ;;
+		*application/x-xz*)
+			case "$ext" in
+				xz) cmd="xz" ;;
+				*) return;;
+			esac ;;
+		*)
+			# See if bsdtar can recognize the file
+			if bsdtar -tf "$file" -q '*' &>/dev/null; then
+				cmd="bsdtar"
+			else
+				return 0
+			fi ;;
+	esac
+
+	local ret=0
+	msg2 "$(gettext "Extracting %s with %s")" "$file" "$cmd"
+	if [[ $cmd = "bsdtar" ]]; then
+		$cmd -xf "$file" || ret=$?
+	else
+		rm -f -- "${file%.*}"
+		$cmd -dcf "$file" > "${file%.*}" || ret=$?
+	fi
+	if (( ret )); then
+		error "$(gettext "Failed to extract %s")" "$file"
+		plain "$(gettext "Aborting...")"
+		exit 1
+	fi
+
+	if (( EUID == 0 )); then
+		# change perms of all source files to root user & root group
+		chown -R 0:0 "$srcdir"
+	fi
+}
diff --git a/scripts/libmakepkg/source/git.sh.in b/scripts/libmakepkg/source/git.sh.in
new file mode 100644
index 00000000..4d2f2d7c
--- /dev/null
+++ b/scripts/libmakepkg/source/git.sh.in
@@ -0,0 +1,127 @@
+#!/bin/bash
+#
+#   git.sh - function for handling the download and "extraction" of Git sources
+#
+#   Copyright (c) 2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_SOURCE_GIT_SH" ]] && return
+LIBMAKEPKG_SOURCE_GIT_SH=1
+
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+download_git() {
+	local netfile=$1
+
+	local dir=$(get_filepath "$netfile")
+	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"
+
+	local repo=$(get_filename "$netfile")
+
+	local url=$(get_url "$netfile")
+	url=${url#git+}
+	url=${url%%#*}
+
+	if [[ ! -d "$dir" ]] || dir_is_empty "$dir" ; then
+		msg2 "$(gettext "Cloning %s %s repo...")" "${repo}" "git"
+		if ! git clone --mirror "$url" "$dir"; then
+			error "$(gettext "Failure while downloading %s %s repo")" "${repo}" "git"
+			plain "$(gettext "Aborting...")"
+			exit 1
+		fi
+	elif (( ! HOLDVER )); then
+		cd_safe "$dir"
+		# Make sure we are fetching the right repo
+		if [[ "$url" != "$(git config --get remote.origin.url)" ]] ; then
+			error "$(gettext "%s is not a clone of %s")" "$dir" "$url"
+			plain "$(gettext "Aborting...")"
+			exit 1
+		fi
+		msg2 "$(gettext "Updating %s %s repo...")" "${repo}" "git"
+		if ! git fetch --all -p; then
+			# only warn on failure to allow offline builds
+			warning "$(gettext "Failure while updating %s %s repo")" "${repo}" "git"
+		fi
+	fi
+}
+
+extract_git() {
+	local netfile=$1
+
+	local fragment=${netfile#*#}
+	if [[ $fragment = "$netfile" ]]; then
+		unset fragment
+	fi
+
+	local repo=${netfile##*/}
+	repo=${repo%%#*}
+	repo=${repo%%.git*}
+
+	local dir=$(get_filepath "$netfile")
+	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"
+
+	msg2 "$(gettext "Creating working copy of %s %s repo...")" "${repo}" "git"
+	pushd "$srcdir" &>/dev/null
+
+	local updating=0
+	if [[ -d "${dir##*/}" ]]; then
+		updating=1
+		cd_safe "${dir##*/}"
+		if ! git fetch; then
+			error "$(gettext "Failure while updating working copy of %s %s repo")" "${repo}" "git"
+			plain "$(gettext "Aborting...")"
+			exit 1
+		fi
+		cd_safe "$srcdir"
+	elif ! git clone "$dir" "${dir##*/}"; then
+		error "$(gettext "Failure while creating working copy of %s %s repo")" "${repo}" "git"
+		plain "$(gettext "Aborting...")"
+		exit 1
+	fi
+
+	cd_safe "${dir##*/}"
+
+	local ref=origin/HEAD
+	if [[ -n $fragment ]]; then
+		case ${fragment%%=*} in
+			commit|tag)
+				ref=${fragment##*=}
+				;;
+			branch)
+				ref=origin/${fragment##*=}
+				;;
+			*)
+				error "$(gettext "Unrecognized reference: %s")" "${fragment}"
+				plain "$(gettext "Aborting...")"
+				exit 1
+		esac
+	fi
+
+	if [[ $ref != "origin/HEAD" ]] || (( updating )) ; then
+		if ! git checkout --force --no-track -B makepkg $ref; then
+			error "$(gettext "Failure while creating working copy of %s %s repo")" "${repo}" "git"
+			plain "$(gettext "Aborting...")"
+			exit 1
+		fi
+	fi
+
+	popd &>/dev/null
+}
diff --git a/scripts/libmakepkg/source/hg.sh.in b/scripts/libmakepkg/source/hg.sh.in
new file mode 100644
index 00000000..6b21dad2
--- /dev/null
+++ b/scripts/libmakepkg/source/hg.sh.in
@@ -0,0 +1,104 @@
+#!/bin/bash
+#
+#   hg.sh - function for handling the download and "extraction" of Mercurial sources
+#
+#   Copyright (c) 2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_SOURCE_HG_SH" ]] && return
+LIBMAKEPKG_SOURCE_HG_SH=1
+
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+download_hg() {
+	local netfile=$1
+
+	local dir=$(get_filepath "$netfile")
+	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"
+
+	local repo=$(get_filename "$netfile")
+
+	local url=$(get_url "$netfile")
+	url=${url#hg+}
+	url=${url%%#*}
+
+	if [[ ! -d "$dir" ]] || dir_is_empty "$dir" ; then
+		msg2 "$(gettext "Cloning %s %s repo...")" "${repo}" "hg"
+		if ! hg clone -U "$url" "$dir"; then
+			error "$(gettext "Failure while downloading %s %s repo")" "${repo}" "hg"
+			plain "$(gettext "Aborting...")"
+			exit 1
+		fi
+	elif (( ! HOLDVER )); then
+		msg2 "$(gettext "Updating %s %s repo...")" "${repo}" "hg"
+		cd_safe "$dir"
+		if ! hg pull; then
+			# only warn on failure to allow offline builds
+			warning "$(gettext "Failure while updating %s %s repo")" "${repo}" "hg"
+		fi
+	fi
+}
+
+extract_hg() {
+	local netfile=$1
+
+	local fragment=${netfile#*#}
+	if [[ $fragment = "$netfile" ]]; then
+		unset fragment
+	fi
+
+	local dir=$(get_filepath "$netfile")
+	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"
+
+	local repo=${netfile##*/}
+	repo=${repo%%#*}
+
+	msg2 "$(gettext "Creating working copy of %s %s repo...")" "${repo}" "hg"
+	pushd "$srcdir" &>/dev/null
+
+	local ref=tip
+	if [[ -n $fragment ]]; then
+		case ${fragment%%=*} in
+			branch|revision|tag)
+				ref="${fragment##*=}"
+				;;
+			*)
+				error "$(gettext "Unrecognized reference: %s")" "${fragment}"
+				plain "$(gettext "Aborting...")"
+				exit 1
+		esac
+	fi
+
+	if [[ -d "${dir##*/}" ]]; then
+		cd_safe "${dir##*/}"
+		if ! (hg pull && hg update -C -r "$ref"); then
+			error "$(gettext "Failure while updating working copy of %s %s repo")" "${repo}" "hg"
+			plain "$(gettext "Aborting...")"
+			exit 1
+		fi
+	elif ! hg clone -u "$ref" "$dir" "${dir##*/}"; then
+		error "$(gettext "Failure while creating working copy of %s %s repo")" "${repo}" "hg"
+		plain "$(gettext "Aborting...")"
+		exit 1
+	fi
+
+	popd &>/dev/null
+}
diff --git a/scripts/libmakepkg/source/local.sh.in b/scripts/libmakepkg/source/local.sh.in
new file mode 100644
index 00000000..bf659936
--- /dev/null
+++ b/scripts/libmakepkg/source/local.sh.in
@@ -0,0 +1,42 @@
+#!/bin/bash
+#
+#   local.sh - function for handling the "download" of local sources
+#
+#   Copyright (c) 2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_SOURCE_LOCAL_SH" ]] && return
+LIBMAKEPKG_SOURCE_LOCAL_SH=1
+
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+download_local() {
+	local netfile=$1
+	local filepath=$(get_filepath "$netfile")
+
+	if [[ -n "$filepath" ]]; then
+		msg2 "$(gettext "Found %s")" "${filepath##*/}"
+	else
+		local filename=$(get_filename "$netfile")
+		error "$(gettext "%s was not found in the build directory and is not a URL.")" "$filename"
+		exit 1 # $E_MISSING_FILE
+	fi
+}
diff --git a/scripts/libmakepkg/source/svn.sh.in b/scripts/libmakepkg/source/svn.sh.in
new file mode 100644
index 00000000..d706cac5
--- /dev/null
+++ b/scripts/libmakepkg/source/svn.sh.in
@@ -0,0 +1,93 @@
+#!/bin/bash
+#
+#   svn.sh - function for handling the download and "extraction" of Subversion sources
+#
+#   Copyright (c) 2015 Pacman Development Team <pacman-dev@archlinux.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_SOURCE_SVN_SH" ]] && return
+LIBMAKEPKG_SOURCE_SVN_SH=1
+
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+
+download_svn() {
+	local netfile=$1
+
+	local fragment=${netfile#*#}
+	if [[ $fragment = "$netfile" ]]; then
+		unset fragment
+	fi
+
+	local dir=$(get_filepath "$netfile")
+	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"
+
+	local repo=$(get_filename "$netfile")
+
+	local url=$(get_url "$netfile")
+	if [[ $url != svn+ssh* ]]; then
+		url=${url#svn+}
+	fi
+	url=${url%%#*}
+
+	local ref=HEAD
+	if [[ -n $fragment ]]; then
+		case ${fragment%%=*} in
+			revision)
+				ref="${fragment##*=}"
+				;;
+			*)
+				error "$(gettext "Unrecognized reference: %s")" "${fragment}"
+				plain "$(gettext "Aborting...")"
+				exit 1
+		esac
+	fi
+
+	if [[ ! -d "$dir" ]] || dir_is_empty "$dir" ; then
+		msg2 "$(gettext "Cloning %s %s repo...")" "${repo}" "svn"
+		mkdir -p "$dir/.makepkg"
+		if ! svn checkout -r ${ref} --config-dir "$dir/.makepkg" "$url" "$dir"; then
+			error "$(gettext "Failure while downloading %s %s repo")" "${repo}" "svn"
+			plain "$(gettext "Aborting...")"
+			exit 1
+		fi
+	elif (( ! HOLDVER )); then
+		msg2 "$(gettext "Updating %s %s repo...")" "${repo}" "svn"
+		cd_safe "$dir"
+		if ! svn update -r ${ref}; then
+			# only warn on failure to allow offline builds
+			warning "$(gettext "Failure while updating %s %s repo")" "${repo}" "svn"
+		fi
+	fi
+}
+
+extract_svn() {
+	local netfile=$1
+
+	local dir=$(get_filepath "$netfile")
+	[[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")"
+
+	local repo=${netfile##*/}
+	repo=${repo%%#*}
+
+	msg2 "$(gettext "Creating working copy of %s %s repo...")" "${repo}" "svn"
+
+	cp -au "$dir" "$srcdir"
+}