db-functions-svn

#!/hint/bash

if [[ -n ${SVNUSER} ]]; then
	setfacl -m u:"${SVNUSER}":rwx "${WORKDIR}"
	setfacl -m d:u:"${USER}":rwx "${WORKDIR}"
	setfacl -m d:u:"${SVNUSER}":rwx "${WORKDIR}"
fi

arch_svn() {
	if [[ -z ${SVNUSER} ]]; then
		/usr/bin/svn "${@}"
	else
		sudo -u "${SVNUSER}" -- /usr/bin/svn --username "${USER}" "${@}"
	fi
}

# source_pkgbuild pkgbase tag
#
# Source the PKGBUILD from the package's git/svn/whatever repo.
# Depending on how the VCS is used the tag might be "trunk" or "repos/$repo-$arch"
# or the full package version (epoch:pkgver-pkgrel) or any other recognized tag.
source_pkgbuild() {
	local pkgbase=${1}
	local tag=${2}

	. <(arch_svn cat "${SVNREPO}/${pkgbase}/${tag}/PKGBUILD" 2>/dev/null || echo "false")
}

# Export PKGBUILD resource(s) from the package's git/svn/whatever repo.
# Depending on how the VCS is used the tag might be "trunk" or "repos/$repo-$arch"
# or the full package version (epoch:pkgver-pkgrel) or any other recognized tag.
export_from_vcs() {
	local pkgbase=${1}
	local tag=${2}
	local src=${3}
	local dest=${4}

	if [[ ! -e ${dest} ]]; then
		mkdir -p "${dest%/?*}"
		arch_svn export -q "${SVNREPO}/${pkgbase}/${tag}/${src}" "${dest}" 2>/dev/null
	fi
}

# Which repo is this package in?
find_repo_for_package() {
	local pkgbase=${1}
	local pkgarch=${2}
	local candidates=("${@:3}")

	local repos=($(arch_svn ls "${SVNREPO}/${pkgbase}/repos/" | grep -xFf \
		<(printf '%s\n' "${candidates[@]/%/-${pkgarch}/}" "${candidates[@]/%/-any/}")))
	#TODO: check the PKGBUILD exists?

	if (( ${#repos[@]} > 1 )); then
		die "%s is present in multiple repos (%s)" "${pkgbase}" "${repos[*]}"
	fi
	(( ${#repos[@]} == 1 )) || return $?

	printf '%s\n' "${repos[@]%/}"
}

# Commit changes staged by (successive?) vcs_(re)?move_package runs.
vcs_commit() {
	arch_svn commit -q "${WORKDIR}/svn/${pkgbase}" -m "${1}"
}

# Write to the VCS in order to track a package moving between different pacman
# repositories.
vcs_move_package() {
	local pkgbase=${1}
	local vcsrepo_from=${WORKDIR}/svn/${pkgbase}/repos/${2}
	local vcsrepo_to=${WORKDIR}/svn/${pkgbase}/repos/${3}

	if [[ ! -d ${WORKDIR}/svn ]]; then
		arch_svn checkout -q -N "${SVNREPO}" "${WORKDIR}/svn" >/dev/null
	fi
	arch_svn up -q "${WORKDIR}/svn/${pkgbase}" >/dev/null

	if [[ -d ${vcsrepo_to} ]]; then
		while read -r file; do
			arch_svn rm -q "${vcsrepo_to}/${file}@"
		done < <(arch_svn ls "${vcsrepo_to}")
	else
		mkdir "${vcsrepo_to}"
		arch_svn add -q "${vcsrepo_to}"
	fi

	while read -r file; do
		arch_svn mv -q -r HEAD "${vcsrepo_from}/${file}@" "${vcsrepo_to}/"
	done < <(arch_svn ls "${vcsrepo_from}")
	arch_svn rm --force -q "${vcsrepo_from}"
}

# Write to the VCS in order to track a package being deleted from a pacman
# repository.
vcs_remove_package() {
	local pkgbase=${1}
	local vcsrepo=${WORKDIR}/svn/${pkgbase}/repos/${2}

	if [[ ! -d ${WORKDIR}/svn ]]; then
		arch_svn checkout -q -N "${SVNREPO}" "${WORKDIR}/svn" >/dev/null
	fi

	arch_svn up -q "${WORKDIR}/svn/${pkgbase}" > /dev/null
	arch_svn rm --force -q "${vcsrepo}"
}