`git mv lib/*.sh src/`

11 files changed, 1439 insertions, 0 deletions

diff --git a/src/cmd.sh b/src/cmd.sh
new file mode 100644
index 0000000..d05e7eb
--- /dev/null
+++ b/src/cmd.sh
@@ -0,0 +1,126 @@
+# pro-archman
+# lib/cmd.sh
+# Command-related functions
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# 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 3 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/>.
+
+[ "x${_CMD_SM+set}" = 'xset' ] && return 0
+_CMD_SM=1
+
+use output
+use locale
+
+cmds=
+
+load_cmds()
+{
+	local cmd=
+
+	for cmd in ${PKGLIBCMD}; do
+		cmd="${cmd##*/}"
+		cmd="${cmd%.sm}"
+		cmds="${cmds}${cmd}${LF}"
+		use "cmd/${cmd}"
+	done
+}
+
+print_opt_summaries()
+{
+	local padding=
+	local opt=
+	local opt_out=
+	local summary=
+
+	padding="$(printf '%24s' '')"
+	for opt in $(printf '%s' "${OPTSTRING}" | sed 's/\([a-zA-Z0-9]\)/ \1/g')
+	do
+		if [ ${#opt} -eq 1 ]; then
+			# No argument expected.
+			opt_out="-${opt}"
+		else
+			# Argument expected.
+			opt="${opt%?}"
+			opt_out="-${opt} $(get_msg "opt_${opt}_arg")"
+		fi
+		if [ ${#opt_out} -gt 20 ]; then
+			printf '  %s\n%24s' "${opt_out}" ''
+		else
+			printf '  %-20s  ' "${opt_out}"
+		fi
+		summary="$(get_msg "opt_${opt}_summary")"
+		printf '%s\n' "${summary}" | fold -s -w 56 | \
+			sed "2,\$s/^/${padding}/;"
+	done
+}
+
+print_cmd_summaries()
+{
+	local padding=
+	local cmd=
+	local cmd_clean=
+	local summary=
+
+	padding="$(printf '%24s' '')"
+	for cmd in ${PKGLIBCMD}; do
+		cmd="${cmd##*/}"
+		cmd="${cmd%.sm}"
+		if [ ${#cmd} -gt 20 ]; then
+			printf '  %s\n%24s' "${cmd}" ''
+		else
+			printf '  %-20s  ' "${cmd}"
+		fi
+		cmd_clean="$(printf '%s' "${cmd}" | \
+			tr '[A-Z]' '[a-z]' | tr -C '[a-z0-9_]' '_')"
+		summary="$(get_msg "cmd_${cmd_clean}_summary")"
+		printf '%s\n' "${summary}" | fold -s -w 56 | \
+			sed "2,\$s/^/${padding}/;"
+	done
+}
+
+print_cmd_usage()
+{
+	local cmd="${1}"
+	local cmd_clean=
+	local usage=
+
+	cmd_clean="$(printf '%s' "${cmd}" | \
+		tr '[A-Z]' '[a-z]' | tr -C '[a-z0-9_]' '_')"
+	usage="$(get_msg "cmd_${cmd_clean}_usage")"
+
+	printf "$(get_msg 'cmd_usage')\n" "${0}" "${cmd}" "${usage}"
+}
+
+is_cmd()
+{
+	local cmd="${1}"
+
+	[ "x$(printf '%s' "${cmds}" | grep "^${cmd}$")" = "x${cmd}" ]
+}
+
+run_cmd()
+{
+	local cmd="${1}"
+	local cmd_clean=
+	shift
+
+	cmd_clean="$(printf '%s' "${cmd}" | \
+		tr '[A-Z]' '[a-z]' | tr -C '[a-z0-9_]' '_')"
+	if is_cmd "${cmd}"; then
+		"cmd_${cmd_clean}_main" "${@}"
+	else
+		error 1 "$(get_msg 'cmd_not_found')" "${cmd}"
+	fi
+}
diff --git a/src/control.sh b/src/control.sh
new file mode 100644
index 0000000..6907b3d
--- /dev/null
+++ b/src/control.sh
@@ -0,0 +1,136 @@
+# pro-archman
+# lib/control.sh
+# Functions for parsing control files.
+#
+# Copyright (C) 2012, 2013  Patrick "P. J." McDermott
+#
+# 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/>.
+
+[ "x${_CONTROL_SM+set}" = 'xset' ] && return 0
+_CONTROL_SM=1
+
+use output
+use locale
+
+control_file=
+control_line_nr=
+
+parse_control()
+{
+	local field_cb="${2}"
+	local req_fields="${3}"
+	local opt_fields="${4}"
+	local all_fields=
+	local got_fields=
+	local line=
+	local name=
+	local value=
+
+	control_file="${1}"
+	control_line_nr=0
+
+	req_fields="$(printf '%s\n' ${req_fields})"
+	opt_fields="$(printf '%s\n' ${opt_fields})"
+	all_fields="${LF}${req_fields}${LF}${opt_fields}${LF}"
+	got_fields="${LF}"
+
+	while IFS='' read -r line; do
+		control_line_nr=$(($control_line_nr + 1))
+		if [ "x$(echo ${line})" = 'x' ]; then
+			parse_control_error 'control_empty_line'
+		elif [ "x${line#\#}" != "x${line}" ]; then
+			# Comment.
+			:
+		elif [ "x${line# }" = "x${line}" ]; then
+			# "Name: Value" line.
+			if [ "x${name}" != 'x' ]; then
+				if ! "${field_cb}" "${name}" "${value}"; then
+					return 0
+				fi
+			fi
+			name="${line%%:*}"
+			value="${line#*:}"
+			value="${value# }"
+			if [ "x${name}" = 'x' -o "x${name}" = "x${line}" ]; then
+				parse_control_error 'control_bad_nv'
+				continue
+			fi
+			if [ "x${req_fields}" != 'x' ]; then
+				if [ "x${all_fields%${LF}${name}${LF}*}" = \
+						"x${all_fields}" ]; then
+					# Unknown field.
+					parse_control_error \
+						'control_unknown_field' \
+						"${name}"
+				else
+					# Remove field from list of required
+					# fields.
+					req_fields="$(printf '%s' \
+						"${req_fields}" | \
+						grep -Fv "${name}")"
+				fi
+			fi
+			if [ "x${got_fields%${LF}${name}${LF}*}" != \
+					"x${got_fields}" ]; then
+				# Duplicate field.
+				parse_control_error 'control_duplicate_field' \
+					"${name}"
+			else
+				got_fields="${got_fields}${name}${LF}"
+			fi
+		else
+			# Continuation line.
+			if [ "x${name}" = 'x' ]; then
+				# Expecting a "Name: Value" line.
+				parse_control_error 'control_found_continuation'
+				continue
+			fi
+			value="${value}${LF}${line# }"
+		fi
+	done <<-EOF
+		$(cat "${control_file}")
+		EOF
+
+	if [ "x${name}" != 'x' ]; then
+		if ! "${field_cb}" "${name}" "${value}"; then
+			return 0
+		fi
+	fi
+
+	if [ "x${req_fields}" != 'x' ]; then
+		req_fields="$(printf "%s$(get_msg 'list_item_separator')" \
+			${req_fields})"
+		parse_control_error 'control_missing_fields' "${req_fields}"
+	fi
+
+	return 0
+}
+
+parse_control_error()
+{
+	local msgid="${1}"
+	local file_info=
+	shift 1
+
+	if [ ${control_line_nr} -eq 0 ]; then
+		file_info="$(printf '%20s:' "${control_file}")"
+	else
+		file_info="$(printf '%20s(l%d):' "${control_file}" \
+			"${control_line_nr}")"
+	fi
+
+	warn "${file_info} $(get_msg "${msgid}")" "${@}"
+
+	return 0
+}
diff --git a/src/db.sh b/src/db.sh
new file mode 100644
index 0000000..e2f8fb7
--- /dev/null
+++ b/src/db.sh
@@ -0,0 +1,293 @@
+# pro-archman
+# lib/db.sh
+# Functions for querying and modifying the database
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_DB_SM+set}" = 'xset' ] && return 0
+_DB_SM=1
+
+use dir
+
+#
+# Functions for the suites indices
+#
+
+db_get_srcver()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local source="${3}"
+	local dir=
+
+	dir="${base_dir}/feeds/${chan}/${dist}/.db"
+	dir="${dir}/$(hash_name "${source}")/${source}"
+	if [ -f "${dir}/srcver" ]; then
+		cat "${dir}/srcver"
+	fi
+
+	return 0
+}
+
+db_set_srcver()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local source="${3}"
+	local srcver="${4}"
+	local dir=
+
+	dir="${base_dir}/feeds/${chan}/${dist}/.db"
+	dir="${dir}/$(hash_name "${source}")/${source}"
+	mkdir -p "${dir}"
+	printf '%s\n' "${srcver}" >"${dir}/srcver"
+
+	return 0
+}
+
+db_del_srcver()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local source="${3}"
+	local dir=
+
+	dir="${base_dir}/feeds/${chan}/${dist}/.db"
+	dir="${dir}/$(hash_name "${source}")/${source}"
+	rm -f "${dir}/srcver"
+	# Remove ".../.db/<hash>/<source>".
+	rmdir "${dir}"
+	# Try to remove ".../.db/<hash>" and ".../.db".
+	for dir in "${dir%/*}" "${dir%/*/*}"; do
+		try_rmdir "${dir}" || break
+	done
+
+	return 0
+}
+
+db_get_binver()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local arch="${3}"
+	local plat="${4}"
+	local source="${5}"
+	local dir=
+
+	dir="${base_dir}/feeds/${chan}/${dist}/.db"
+	dir="${dir}/$(hash_name "${source}")/${source}/${arch}_${plat}"
+	if [ -f "${dir}/binver" ]; then
+		cat "${dir}/binver"
+	fi
+
+	return 0
+}
+
+db_set_binver()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local arch="${3}"
+	local plat="${4}"
+	local source="${5}"
+	local binver="${6}"
+	local dir=
+
+	dir="${base_dir}/feeds/${chan}/${dist}/.db"
+	dir="${dir}/$(hash_name "${source}")/${source}/${arch}_${plat}"
+	mkdir -p "${dir}"
+	printf '%s\n' "${binver}" >"${dir}/binver"
+
+	return 0
+}
+
+db_del_binver()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local arch="${3}"
+	local plat="${4}"
+	local source="${5}"
+	local dir=
+
+	dir="${base_dir}/feeds/${chan}/${dist}/.db"
+	dir="${dir}/$(hash_name "${source}")/${source}/${arch}_${plat}"
+	rm -f "${dir}/binver"
+	# Remove ".../.db/<hash>/<source>/<arch>_<plat>".
+	rmdir "${dir}"
+
+	return 0
+}
+
+db_foreach_source()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local cb="${3}"
+	local dir=
+
+	shift 3
+
+	dir="${base_dir}/feeds/${chan}/${dist}/.db"
+	# For each hash:
+	for dir in "${dir}/"*/; do
+		if [ ! -d "${dir}" ]; then
+			continue
+		fi
+		# For each source:
+		for dir in "${dir}/"*/; do
+			if [ ! -d "${dir}" ]; then
+				continue
+			fi
+			dir="${dir%/}"
+			dir="${dir##*/}"
+			"${cb}" "${chan}" "${dist}" "${dir}" "${@}"
+		done
+	done
+
+	return 0
+}
+
+db_get_archplats()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local source="${3}"
+	local dir=
+
+	dir="${base_dir}/feeds/${chan}/${dist}/.db"
+	dir="${dir}/$(hash_name "${source}")/${source}"
+	for dir in "${dir}/"*_*/; do
+		if [ ! -d "${dir}" ]; then
+			continue
+		fi
+		dir="${dir%/}"
+		dir="${dir##*/}"
+		printf '%s %s\n' "${dir%%_*}" "${dir#*_}"
+	done
+
+	return 0
+}
+
+#
+# Functions for the pool indices
+#
+
+db_get_packages()
+{
+	local arch="${1}"
+	local plat="${2}"
+	local source="${3}"
+	local binver="${4}"
+	local dir=
+
+	dir="${base_dir}/pool/$(hash_name "${source}")/${source}/.db"
+	dir="${dir}/${binver}_${arch}_${plat}"
+	if [ -f "${dir}/packages" ]; then
+		cat "${dir}/packages"
+	fi
+
+	return 0
+}
+
+db_add_package()
+{
+	local arch="${1}"
+	local plat="${2}"
+	local source="${3}"
+	local binver="${4}"
+	local size="${5}"
+	local sect="${6}"
+	local pkg="${7}"
+	local dir=
+
+	dir="${base_dir}/pool/$(hash_name "${source}")/${source}/.db"
+	dir="${dir}/${binver}_${arch}_${plat}"
+	mkdir -p "${dir}"
+	printf '%s %s %s\n' "${size}" "${sect}" "${pkg}" >>"${dir}/packages"
+
+	return 0
+}
+
+db_del_packages()
+{
+	local arch="${1}"
+	local plat="${2}"
+	local source="${3}"
+	local binver="${4}"
+	local dir=
+
+	dir="${base_dir}/pool/$(hash_name "${source}")/${source}/.db"
+	dir="${dir}/${binver}_${arch}_${plat}"
+	rm -f "${dir}/packages"
+	# Remove "pool/<hash>/<source>/.db/<binver>_<arch>_<plat>".
+	rmdir "${dir}"
+	# Try to remove "pool/<hash>/<source>/.db".
+	try_rmdir "${dir%/*}"
+
+	return 0
+}
+
+db_inc_references()
+{
+	local arch="${1}"
+	local plat="${2}"
+	local source="${3}"
+	local binver="${4}"
+	local dir=
+	local refs=
+
+	dir="${base_dir}/pool/$(hash_name "${source}")/${source}/.db"
+	dir="${dir}/${binver}_${arch}_${plat}"
+	if [ -f "${dir}/references" ]; then
+		refs="$(cat "${dir}/references")"
+		refs=$(($refs + 1))
+	else
+		refs=1
+		mkdir -p "${dir}"
+	fi
+	printf '%d\n' "${refs}" >"${dir}/references"
+	printf '%d\n' "${refs}"
+
+	return 0
+}
+
+db_dec_references()
+{
+	local arch="${1}"
+	local plat="${2}"
+	local source="${3}"
+	local binver="${4}"
+	local dir=
+	local refs=
+
+	dir="${base_dir}/pool/$(hash_name "${source}")/${source}/.db"
+	dir="${dir}/${binver}_${arch}_${plat}"
+	if [ -f "${dir}/references" ]; then
+		refs="$(cat "${dir}/references")"
+		refs=$(($refs - 1))
+	else
+		refs=0
+	fi
+	if [ ${refs} -eq 0 ]; then
+		rm -f "${dir}/references"
+	else
+		printf '%d\n' "${refs}" >"${dir}/references"
+	fi
+	printf '%d\n' "${refs}"
+
+	return 0
+}
diff --git a/src/dir.sh b/src/dir.sh
new file mode 100644
index 0000000..0b866c0
--- /dev/null
+++ b/src/dir.sh
@@ -0,0 +1,74 @@
+# pro-archman
+# lib/dir.sh
+# Miscellaneous directory-related functions
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_DIR_SM+set}" = 'xset' ] && return 0
+_DIR_SM=1
+
+hash_name()
+{
+	local name="${1}"
+	local hash=
+
+	if [ "x${name}" != "x${name#lib?}" ]; then
+		hash="$(printf '%s\n' "${name}" | sed 's/^\(lib.\).*$/\1/')"
+	elif [ "x${name}" != "x${name#src-?}" ]; then
+		hash="$(printf '%s\n' "${name}" | sed 's/^\(src-.\).*$/\1/')"
+	else
+		hash="$(printf '%s\n' "${name}" | sed 's/^\(.\).*$/\1/')"
+	fi
+	printf '%s\n' "${hash}"
+
+	return 0
+}
+
+dir_is_empty()
+{
+	local dir="${1}"
+	local ret=
+	local dirent=
+
+	ret=0
+
+	# Patterns to match all dirents except "." and "..":
+	#   *      dirents whose names don't start with "."
+	#   .[!.]  dirents whose names start with ".", are two characters long,
+	#          and aren't ".."
+	#   .??*   dirents whose names start with "." and are three or more
+	#          characters long
+	for dirent in "${dir}/"* "${dir}/".[!.] "${dir}/".[!.] "${dir}/".??*; do
+		if [ -e "${dirent}" ]; then
+			ret=1
+			break
+		fi
+	done
+
+	return ${ret}
+}
+
+try_rmdir()
+{
+	local dir="${1}"
+
+	if dir_is_empty "${dir}"; then
+		rmdir "${dir}"
+		return ${?}
+	else
+		return 1
+	fi
+}
diff --git a/src/garbage.sh b/src/garbage.sh
new file mode 100644
index 0000000..a6f1a3d
--- /dev/null
+++ b/src/garbage.sh
@@ -0,0 +1,76 @@
+# pro-archman
+# lib/garbage.sh
+# Functions for garbage collection
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_GARBAGE_SM+set}" = 'xset' ] && return 0
+_GARBAGE_SM=1
+
+use locale
+use output
+use dir
+
+collect_garbage()
+{
+	local cur_time=
+	local garbage=
+	local gar_time=
+	local dirs=
+	local file=
+
+	info_v "$(get_msg 'collecting_garbage')"
+
+	# NB: The %s format conversion specifier is not specified by POSIX, but
+	# it is supported by the GNU and BusyBox implementations of date.
+	cur_time=$(date '+%s')
+
+	for garbage in "${base_dir}/.db/garbage/"*; do
+		if [ ! -f "${garbage}" ]; then
+			continue
+		fi
+		gar_time=${garbage##*/}
+		if [ ${cur_time} -lt ${gar_time} ]; then
+			break
+		fi
+		while read -r dirs file; do
+			info_v "$(get_msg 'collecting_garbage_file')" "${file}"
+			rm -f "${base_dir}/${file}"
+			while [ ${dirs} -gt 0 ]; do
+				file="${file%/*}"
+				try_rmdir "${base_dir}/${file}"
+				dirs=$(($dirs - 1))
+			done
+		done <"${garbage}"
+		rm -f "${garbage}"
+	done
+}
+
+mark_pool_garbage()
+{
+	local file="${1}"
+	local time=
+
+	info_v "$(get_msg 'marking_garbage_file')" "${file}"
+
+	# NB: The %s format conversion specifier is not specified by POSIX, but
+	# it is supported by the GNU and BusyBox implementations of date.
+	time=$(date '+%s')
+	time=$(($time + $conf_pool_gc_delay))
+
+	mkdir -p "${base_dir}/.db/garbage"
+	printf '2 %s\n' "${file}" >>"${base_dir}/.db/garbage/${time}"
+}
diff --git a/src/include.sh b/src/include.sh
new file mode 100644
index 0000000..42ccf24
--- /dev/null
+++ b/src/include.sh
@@ -0,0 +1,181 @@
+# pro-archman
+# lib/include.sh
+# Functions for including changes
+#
+# Copyright (C) 2013, 2014  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_INCLUDE_SM+set}" = 'xset' ] && return 0
+_INCLUDE_SM=1
+
+use control
+use db
+use locale
+use output
+
+_INCLUDE_CHANGES_FIELDS='Format Source Binary Version Architecture Platform
+Distribution Maintainer Changed-By Date Description Changes Files'
+
+_include_format=
+_include_source=
+_include_version=
+_include_distribution=
+_include_files=
+
+include_changes()
+{
+	local changes="${1}"
+	local chan=
+	local dist=
+	local source=
+	local srcver=
+	local script=
+	local bvaps=
+	local binver=
+	local arch=
+	local plat=
+	local old_ver=
+	local files=
+	local size=
+	local sect=
+	local file=
+	local pkg=
+	local pool_file=
+
+	parse_control "${changes}" _include_changes_field \
+		"${_INCLUDE_CHANGES_FIELDS}" ''
+	if [ "x${_include_format}" != 'x1.0' ]; then
+		error 2 "$(get_msg 'include_unknown_changes_format')" \
+			"${changes}" "${_include_format}"
+	fi
+	chan="${conf_incoming_channel}"
+	dist="${_include_distribution}"
+	source="${_include_source}"
+	srcver="${_include_version}"
+
+	info "$(get_msg 'include_including')" "${source}" "${srcver}" \
+		"${chan}" "${dist}"
+
+	if [ "x${_include_files}" = 'x' ]; then
+		warn "$(get_msg 'include_no_files')"
+		return 0
+	fi
+
+	# List of (binver, arch, plat) tuples to be checked later.
+	script='s/[0-9][0-9]* [^ ][^ ]* [^_]*_\([^_]*\)'
+	script="${script}"'_\([^_]*\)_\([^_]*\)\.opk/\1 \2 \3/p'
+	bvaps="$(printf '%s\n' "${_include_files}" | \
+		sed -n "${script}" | LC_COLLATE='C' sort | uniq)"
+
+	# Pre-inclusion database sanity checks and updates: check for an
+	# existing version of the package in the suite.
+	old_ver="$(db_get_srcver "${chan}" "${dist}" "${source}")"
+	if [ "x${old_ver}" = 'x' ]; then
+		# New package.
+		db_set_srcver "${chan}" "${dist}" "${source}" "${srcver}"
+	elif [ "x${old_ver}" != "x${_include_version}" ]; then
+		# New source version.  Remove the old source package from the
+		# suite.
+		remove_source_from_suite "${chan}" "${dist}" "${source}"
+		db_set_srcver "${chan}" "${dist}" "${source}" "${srcver}"
+	else
+		# Same source version.  Hopefully different binary version,
+		# architecture, and/or platform.  Make sure such "bvap" tuples
+		# are new.
+		while read -r binver arch plat; do
+			old_ver="$(db_get_binver "${chan}" "${dist}" \
+				"${arch}" "${plat}" "${source}")"
+			if [ "x${old_ver}" = "x${binver}" ]; then
+				error 2 "$(get_msg 'include_bvap_exists')" \
+					"${binver}" "${arch}" "${plat}"
+			fi
+		done <<-EOF
+			${bvaps}
+			EOF
+	fi
+
+	# For each (binver, arch, plat) tuple in the package changes:
+	#   * Remove old binary packages of the same arch and plat from the
+	#     suite.
+	#   * Set the new binary version of packages of the arch and plat in the
+	#     suite.
+	#   * Set the reference count for the tuple to 1.
+	# This is done separately from the next loop because it must be done
+	# exactly once for each bvap tuple.  The next loop can hit any given
+	# bvap tuple multiple times.
+	while read -r binver arch plat; do
+		old_ver="$(db_get_binver "${chan}" "${dist}" \
+			"${arch}" "${plat}" "${source}")"
+		if [ "x${old_ver}" != 'x' ]; then
+			remove_packages_from_suite_archplat "${chan}" \
+				"${dist}" "${arch}" "${plat}" "${source}"
+		fi
+		db_set_binver "${chan}" "${dist}" "${arch}" "${plat}" \
+			"${source}" "${binver}"
+		db_inc_references "${arch}" "${plat}" "${source}" "${binver}" \
+			>/dev/null
+	done <<-EOF
+		${bvaps}
+		EOF
+
+	# Include each binary package.
+	files=''
+	while read -r size sect file; do
+		if [ "x${file##[ 	]}" = 'x' ]; then
+			continue
+		fi
+		IFS='_' read -r pkg binver arch plat <<-EOF
+			${file%.opk}
+			EOF
+		db_add_package "${arch}" "${plat}" "${source}" "${binver}" \
+			"${size}" "${sect}" "${pkg}"
+		pool_file="pool/$(hash_name "${source}")/${source}"
+		pool_file="${pool_file}/${pkg}_${binver}_${arch}_${plat}.opk"
+		file="$(dirname "${changes}")/${file}"
+		files="${files} ${file}"
+		cp -p "${file}" "${base_dir}/${pool_file}"
+		feed_add_package "${chan}" "${dist}" "${arch}" "${plat}" \
+			"${sect}" "${pkg}" "${size}" "${pool_file}"
+	done <<-EOF
+		${_include_files}
+		EOF
+
+	printf '%s\n' ${files}
+	return 0
+}
+
+_include_changes_field()
+{
+	local name="${1}"
+	local value="${2}"
+
+	case "${name}" in
+		'Format')
+			_include_format="${value}"
+			;;
+		'Source')
+			_include_source="${value}"
+			;;
+		'Version')
+			_include_version="${value}"
+			;;
+		'Distribution')
+			_include_distribution="${value}"
+			;;
+		'Files')
+			_include_files="${value}"
+			;;
+	esac
+}
diff --git a/src/index.sh b/src/index.sh
new file mode 100644
index 0000000..8749897
--- /dev/null
+++ b/src/index.sh
@@ -0,0 +1,200 @@
+# pro-archman
+# lib/index.sh
+# Functions for working with package feed indices
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_INDEX_SM+set}" = 'xset' ] && return 0
+_INDEX_SM=1
+
+use locale
+use output
+use dir
+
+feed_add_package()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local arch="${3}"
+	local plat="${4}"
+	local sect="${5}"
+	local pkg="${6}"
+	local size="${7}"
+	local file="${8}"
+	local pkg_hash=
+	local feed_hash_idx=
+	local old_dir=
+
+	info_v "$(get_msg 'feed_adding')" "${pkg}" \
+		"${chan}" "${dist}" "${arch}" "${plat}" "${sect}"
+
+	pkg_hash="$(hash_name "${pkg}")"
+
+	# Add package metadata to feed hash index.
+	feed_hash_idx="${base_dir}/feeds/${chan}/${dist}/${arch}/${plat}"
+	feed_hash_idx="${feed_hash_idx}/${sect}/.db/${pkg_hash}"
+	mkdir -p "${feed_hash_idx}/info"
+	tar -xzOf "${base_dir}/${file}" 'control.tar.gz' | \
+		tar -xzO './control' >"${feed_hash_idx}/info/${pkg}.control"
+	printf 'Filename: %s\nSize: %s\nMD5sum: %s\nSHA256sum: %s\n\n' \
+		"../../../../../../${file}" "${size}" \
+		"$(md5sum "${base_dir}/${file}" | sed 's/ .*$//')" \
+		"$(sha256sum "${base_dir}/${file}" | sed 's/ .*$//')" \
+		>>"${feed_hash_idx}/info/${pkg}.control"
+
+	# Mark feed index fragment as outdated.
+	old_dir="${base_dir}/feeds/.db/${chan}_${dist}/${arch}_${plat}"
+	old_dir="${old_dir}/${sect}"
+	mkdir -p "${old_dir}"
+	>"${old_dir}/${pkg_hash}"
+
+	return 0
+}
+
+feed_remove_package()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local arch="${3}"
+	local plat="${4}"
+	local sect="${5}"
+	local pkg="${6}"
+	local pkg_hash=
+	local feed_hash_idx=
+	local old_dir=
+
+	info_v "$(get_msg 'feed_removing')" "${pkg}" \
+		"${chan}" "${dist}" "${arch}" "${plat}" "${sect}"
+
+	pkg_hash="$(hash_name "${pkg}")"
+
+	# Remove package metadata from feed hash index.
+	feed_hash_idx="${base_dir}/feeds/${chan}/${dist}/${arch}/${plat}"
+	feed_hash_idx="${feed_hash_idx}/${sect}/.db/${pkg_hash}"
+	rm -f "${feed_hash_idx}/info/${pkg}.control"
+	try_rmdir "${feed_hash_idx}/info"
+
+	# Mark feed index fragment as outdated.
+	old_dir="${base_dir}/feeds/.db/${chan}_${dist}/${arch}_${plat}"
+	old_dir="${old_dir}/${sect}"
+	mkdir -p "${old_dir}"
+	>"${old_dir}/${pkg_hash}"
+
+	return 0
+}
+
+update_feeds()
+{
+	local suite_dirent=
+	local chan=
+	local dist=
+	local suite=
+	local archplat_dirent=
+	local arch=
+	local plat=
+	local archplat=
+	local sect_dirent=
+	local sect=
+	local manifest_entry=
+	local hash_dirent=
+	local idx=
+
+	info_v "$(get_msg 'updating_feeds')"
+
+	# For each suite:
+	for suite_dirent in "${base_dir}/feeds/.db/"*_*/; do
+		if [ ! -d "${suite_dirent}" ]; then
+			continue
+		fi
+		chan="${suite_dirent%/}"
+		chan="${chan##*/}"
+		dist="${chan##*_}"
+		chan="${chan%_*}"
+		suite="${base_dir}/feeds/${chan}/${dist}"
+		exec 3>"${suite}/Manifest~"
+		# For each archplat:
+		for archplat_dirent in "${suite_dirent}/"*_*/; do
+			if [ ! -d "${archplat_dirent}" ]; then
+				continue
+			fi
+			arch="${archplat_dirent%/}"
+			arch="${arch##*/}"
+			plat="${arch##*_}"
+			arch="${arch%_*}"
+			archplat="${suite}/${arch}/${plat}"
+			# For each section:
+			for sect_dirent in "${archplat_dirent}/"*/; do
+				if [ ! -d "${sect_dirent}" ]; then
+					continue
+				fi
+				sect="${sect_dirent%/}"
+				sect="${sect##*/}"
+				info_v "$(get_msg 'updating_feed')" \
+					"${chan}" "${dist}" \
+					"${arch}" "${plat}" "${sect}"
+				manifest_entry="${arch}/${plat}/${sect}"
+				sect="${archplat}/${sect}"
+				# For each package name hash:
+				for hash_dirent in "${sect_dirent}/"*; do
+					if [ ! -f "${hash_dirent}" ]; then
+						continue
+					fi
+					idx="${sect}/.db/${hash_dirent##*/}"
+					# Ensure there are still packages here.
+					if [ -d "${idx}/info" ]; then
+						cat "${idx}/info/"*.control \
+							>"${idx}/Packages"
+					else
+						rm -f "${idx}/Packages"
+						rmdir "${idx}"
+					fi
+					rm -f "${hash_dirent}"
+				done
+				# Ensure there are still packages here.
+				if ! try_rmdir "${sect}/.db"; then
+					cat "${sect}/.db/"*/Packages \
+						>"${sect}/Packages~"
+					mv "${sect}/Packages~" \
+						"${sect}/Packages"
+					if ${conf_gzip}; then
+						gzip -9c "${sect}/Packages" \
+							>"${sect}/Packages.gz"
+					fi
+					printf '%s\n' "${manifest_entry}" >&3
+				else
+					rm -f "${sect}/Packages" \
+						"${sect}/Packages.gz"
+				fi
+				rmdir "${sect_dirent}"
+				try_rmdir "${sect}"
+			done
+			rmdir "${archplat_dirent}"
+			try_rmdir "${archplat}"
+			try_rmdir "${archplat%/*}"
+		done
+		rmdir "${suite_dirent}"
+		exec 3>&-
+		if [ -s "${suite}/Manifest~" ]; then
+			mv "${suite}/Manifest~" "${suite}/Manifest"
+		else
+			rm -f "${suite}/Manifest~" "${suite}/Manifest"
+			rmdir "${suite}"
+			rmdir "${suite%/*}"
+		fi
+	done
+
+	return 0
+}
diff --git a/src/locale.sh b/src/locale.sh
new file mode 100644
index 0000000..25a7758
--- /dev/null
+++ b/src/locale.sh
@@ -0,0 +1,88 @@
+# pro-archman
+# lib/locale.sh
+# Locale functions
+#
+# Copyright (C) 2012, 2013  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_LOCALE_SM+set}" = 'xset' ] && return 0
+_LOCALE_SM=1
+
+LOCALEDIR='@@LOCALEDIR@@'
+DEFAULT_LOCALE='en_US'
+TEXT_DOMAIN='pro_archman'
+
+load_locale()
+{
+	local localedir=
+
+	# Make sure LC_MESSAGES is set.
+	if [ "x${LC_MESSAGES+set}" != 'xset' ]; then
+		if [ "x${LC_ALL+set}" = 'xset' ]; then
+			LC_MESSAGES="${LC_ALL}"
+		elif [ "x${LANG+set}" = 'xset' ]; then
+			LC_MESSAGES="${LANG}"
+		else
+			LC_MESSAGES="${DEFAULT_LOCALE}"
+		fi
+	fi
+
+	if [ "${ARCHMAN_LOCALEDIR+set}" = 'set' ]; then
+		localedir="${ARCHMAN_LOCALEDIR:-.}"
+	else
+		localedir="${LOCALEDIR}"
+	fi
+
+	# Try to load the locale.
+	if ! _try_load_locale "${localedir}" \
+			"${LC_MESSAGES%.*}"; then
+		if ! _try_load_locale "${localedir}" \
+				"${LC_MESSAGES%_*}"; then
+			if ! _try_load_locale "${localedir}" \
+					"${DEFAULT_LOCALE}"; then
+				warn 'Cannot load locale'
+				return 1
+			fi
+		fi
+	fi
+
+	return 0
+}
+
+get_msg()
+{
+	local msgid="${1}"
+
+	eval "printf '%s' \"\${msg_${TEXT_DOMAIN}_${msgid}}\""
+
+	return 0
+}
+
+_try_load_locale()
+{
+	local localedir="${1}"
+	local locale="${2}"
+	local ms=
+
+	for ms in "${localedir}/${locale}/LC_MESSAGES/${TEXT_DOMAIN}.ms" \
+			"${localedir}/${locale}.ms"; do
+		if [ -f "${ms}" ]; then
+			. "${ms}"
+			return 0
+		fi
+	done
+
+	return 1
+}
diff --git a/src/output.sh b/src/output.sh
new file mode 100644
index 0000000..d3d150f
--- /dev/null
+++ b/src/output.sh
@@ -0,0 +1,68 @@
+# pro-archman
+# lib/output.sh
+# Functions for printing messages
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_OUTPUT_SM+set}" = 'xset' ] && return 0
+_OUTPUT_SM=1
+
+error()
+{
+	local status=${1}
+	local fmt="${2}"
+	shift 2
+
+	printf '%s: Error: ' "${0##*/}" >&2
+	printf "${fmt}\n" "${@}" >&2
+
+	# In a subshell, this will have no effect, so the shell's exit status
+	# will be 128+SIGINT.  Meh.
+	exit_status=${status}
+	kill -s INT ${$}
+}
+
+warn()
+{
+	local fmt="${1}"
+	shift 1
+
+	printf '%s: Warning: ' "${0##*/}" >&2
+	printf "${fmt}\n" "${@}" >&2
+
+	return 0
+}
+
+info()
+{
+	local fmt="${1}"
+	shift 1
+
+	printf '%s: ' "${0##*/}" >&2
+	printf "${fmt}\n" "${@}" >&2
+
+	return 0
+}
+
+info_v()
+{
+	if ${opt_v:-false} || ${conf_verbose:-false}; then
+		info "${@}"
+		return ${?}
+	fi
+
+	return 0
+}
diff --git a/src/remove.sh b/src/remove.sh
new file mode 100644
index 0000000..a3a06dd
--- /dev/null
+++ b/src/remove.sh
@@ -0,0 +1,92 @@
+# pro-archman
+# lib/remove.sh
+# Functions for removing packges
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_REMOVE_SM+set}" = 'xset' ] && return 0
+_REMOVE_SM=1
+
+use locale
+use output
+use db
+
+remove_source_from_suite()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local source="${3}"
+	local arch=
+	local plat=
+
+	info "$(get_msg 'removing_from_suite')" \
+		"${source}" "${chan}" "${dist}"
+
+	while read -r arch plat; do
+		remove_packages_from_suite_archplat \
+			"${chan}" "${dist}" "${arch}" "${plat}" "${source}"
+	done <<-EOF
+		$(db_get_archplats "${chan}" "${dist}" "${source}")
+		EOF
+
+	db_del_srcver "${chan}" "${dist}" "${source}"
+
+	return 0
+}
+
+remove_packages_from_suite_archplat()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local arch="${3}"
+	local plat="${4}"
+	local source="${5}"
+	local binver=
+	local refs=
+	local size=
+	local sect=
+	local pkg=
+	local file=
+
+	info_v "$(get_msg 'removing_from_suite_archplat')" \
+		"${source}" "${chan}" "${dist}" "${arch}" "${plat}"
+
+	binver="$(db_get_binver "${chan}" "${dist}" "${arch}" "${plat}" \
+		"${source}")"
+	if [ "x${binver}" = 'x' ]; then
+		return 0
+	fi
+	db_del_binver "${chan}" "${dist}" "${arch}" "${plat}" "${source}"
+	refs=$(db_dec_references "${arch}" "${plat}" "${source}" "${binver}")
+
+	while read -r size sect pkg; do
+		feed_remove_package "${chan}" "${dist}" "${arch}" "${plat}" \
+			"${sect}" "${pkg}"
+		if [ ${refs} -eq 0 ]; then
+			file="pool/$(hash_name "${source}")/${source}"
+			file="${file}/${pkg}_${binver}_${arch}_${plat}.opk"
+			mark_pool_garbage "${file}"
+		fi
+	done <<-EOF
+		$(db_get_packages "${arch}" "${plat}" "${source}" "${binver}")
+		EOF
+
+	if [ ${refs} -eq 0 ]; then
+		db_del_packages "${arch}" "${plat}" "${source}" "${binver}"
+	fi
+
+	return 0
+}
diff --git a/src/suite.sh b/src/suite.sh
new file mode 100644
index 0000000..4de39ef
--- /dev/null
+++ b/src/suite.sh
@@ -0,0 +1,105 @@
+# pro-archman
+# lib/suite.sh
+# Functions for working with suites
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_SUITE_SM+set}" = 'xset' ] && return 0
+_SUITE_SM=1
+
+use db
+use dir
+use remove
+use locale
+use output
+
+copy_suite()
+{
+	local src_chan="${1}"
+	local src_dist="${2}"
+	local dst_chan="${3}"
+	local dst_dist="${4}"
+
+	info "$(get_msg 'suite_copying')" \
+		"${src_chan}" "${src_dist}" "${dst_chan}" "${dst_dist}"
+
+	remove_suite "${dst_chan}" "${dst_dist}"
+
+	db_foreach_source "${src_chan}" "${src_dist}" _suite_copy_source \
+		"${dst_chan}" "${dst_dist}"
+}
+
+remove_suite()
+{
+	local chan="${1}"
+	local dist="${2}"
+
+	info "$(get_msg 'suite_removing')" \
+		"${chan}" "${dist}"
+
+	db_foreach_source "${chan}" "${dist}" _suite_remove_source
+}
+
+_suite_copy_source()
+{
+	local src_chan="${1}"
+	local src_dist="${2}"
+	local source="${3}"
+	local dst_chan="${4}"
+	local dst_dist="${5}"
+	local srcver=
+	local arch=
+	local plat=
+	local binver=
+	local size=
+	local sect=
+	local pkg=
+	local pool_file=
+
+	srcver="$(db_get_srcver "${chan}" "${dist}" "${source}")"
+	db_set_srcver "${dst_chan}" "${dst_dist}" "${source}" "${srcver}"
+
+	while read -r arch plat; do
+		binver="$(db_get_binver "${src_chan}" "${src_dist}" \
+			"${arch}" "${plat}" "${source}")"
+		db_set_binver "${dst_chan}" "${dst_dist}" "${arch}" "${plat}" \
+			"${source}" "${binver}"
+		db_inc_references "${arch}" "${plat}" "${source}" "${binver}" \
+			>/dev/null
+		while read -r size sect pkg; do
+			pool_file="pool/$(hash_name "${source}")/${source}"
+			pool_file="${pool_file}/${pkg}_${binver}"
+			pool_file="${pool_file}_${arch}_${plat}.opk"
+			feed_add_package "${dst_chan}" "${dst_dist}" \
+				"${arch}" "${plat}" \
+				"${sect}" "${pkg}" "${size}" "${pool_file}"
+		done <<-EOF
+			$(db_get_packages "${arch}" "${plat}" \
+				"${source}" "${binver}")
+			EOF
+	done <<-EOF
+		$(db_get_archplats "${src_chan}" "${src_dist}" "${source}")
+		EOF
+}
+
+_suite_remove_source()
+{
+	local chan="${1}"
+	local dist="${2}"
+	local source="${3}"
+
+	remove_source_from_suite "${chan}" "${dist}" "${source}"
+}