`git mv lib/*.sh src/`

1 files changed, 200 insertions, 0 deletions

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+	# Mark feed index fragment as outdated.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
+}