summaryrefslogtreecommitdiffstats
path: root/src/index.sh
blob: 62208b90630f759b96bf31836075ba0ff5cba7e4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
# pro-archman
# src/index.sh
# Functions for working with package feed indices
#
# Copyright (C) 2013, 2015, 2019  Patrick McDermott
#
# This file is part of the ProteanOS Archive Manager.
#
# The ProteanOS Archive Manager 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.
#
# The ProteanOS Archive Manager 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 the ProteanOS Archive Manager.  If not, see
# <http://www.gnu.org/licenses/>.

feed_sign()
{
	local feed_idx="${1}"
	shift 1
	local usign=

	if [ x"${conf_key}" = x'' ]; then
		return
	fi

	if ${in_place} && ${USIGN_EMBEDDED}; then
		usign="${builddir}/3rdparty/usign/usign"
	else
		usign="${USIGN}"
	fi

	"${usign}" -S -m "${feed_idx}" -s "${base_dir}/${conf_key}"
}

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}"
	shift 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' | \
		"${TAR}" -xzO './control' \
		1>"${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/ .*$//')" \
		1>>"${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}"
	1>"${old_dir}/${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}"
	shift 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}"
	1>"${old_dir}/${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 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}/${dist}"
		# For each archplat:
		for archplat_dirent in "${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}"
				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 \
							1>"${idx}/Packages"
					else
						rm -f -- "${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 \
						1>"${sect}/Packages~"
					mv -- "${sect}/Packages~" \
						"${sect}/Packages"
					if ${conf_gzip}; then
						"${GZIP}" -9c -- \
							"${sect}/Packages" \
							1>"${sect}/Packages.gz"
					fi
					feed_sign "${sect}/Packages"
				else
					rm -f -- "${sect}/Packages" \
						"${sect}/Packages.gz"
				fi
				rmdir -- "${sect_dirent}"
				try_rmdir "${sect}" || :
			done
			rmdir -- "${archplat_dirent}"
			try_rmdir "${archplat}" || :
			try_rmdir "${archplat%/*}" || :
		done
		rmdir -- "${suite_dirent}"
		try_rmdir "${suite}"
		try_rmdir "${suite%/*}"
	done

	# Generate all suites' arch/plat/sect manifests.
	for suite_dirent in "${base_dir}/feeds/"*/*/; do
		(
			cd "${suite_dirent}"
			printf '%s\n' */*/* >'Manifest~'
			mv 'Manifest~' 'Manifest'
		)
	done

	return 0
}