summaryrefslogtreecommitdiffstats
path: root/scripts/repo-add.sh.in
blob: 4520dd4c843892efa46437a99c6fe7b20f0fe601 (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
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
#!/bin/bash
#
#   repo-add - add a package to a given repo database file
#   repo-remove - remove a package entry from a given repo database file
#   @configure_input@
#
#   Copyright (c) 2006-2008 Aaron Griffin <aaron@archlinux.org>
#   Copyright (c) 2007-2008 Dan McGee <dan@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/>.

# gettext initialization
export TEXTDOMAIN='pacman'
export TEXTDOMAINDIR='@localedir@'

myver='@PACKAGE_VERSION@'
confdir='@sysconfdir@'

QUIET=0
REPO_DB_FILE=""

# ensure we have a sane umask set
umask 0022

msg() {
	local mesg=$1; shift
	printf "==> ${mesg}\n" "$@" >&1
}

msg2() {
	[ $QUIET -ne 0 ] && return
	local mesg=$1; shift
	printf "  -> ${mesg}\n" "$@" >&1
}

warning() {
	local mesg=$1; shift
	printf "==> $(gettext "WARNING:") ${mesg}\n" "$@" >&2
}

error() {
	local mesg=$1; shift
	printf "==> $(gettext "ERROR:") ${mesg}\n" "$@" >&2
}

# print usage instructions
usage() {
	printf "repo-add, repo-remove (pacman) %s\n\n" "$myver"
	printf "$(gettext "Usage: repo-add [-q] <path-to-db> <package> ...\n")"
	printf "$(gettext "Usage: repo-remove [-q] <path-to-db> <packagename> ...\n\n")"
	printf "$(gettext "\
repo-add will update a package database by reading a package file.\n\
Multiple packages to add can be specified on the command line.\n\n")"
	printf "$(gettext "\
repo-remove will update a package database by removing the package name\n\
specified on the command line from the given repo database. Multiple\n\
packages to remove can be specified on the command line.\n\n")"
	printf "$(gettext "\
Use the -q/--quiet flag to minimize output to basic messages, warnings,\n\
and errors\n\n")"
	echo "$(gettext "Example:  repo-add /path/to/repo.db.tar.gz pacman-3.0.0.pkg.tar.gz")"
	echo "$(gettext "Example:  repo-remove /path/to/repo.db.tar.gz kernel26")"
}

version() {
	printf "repo-add, repo-remove (pacman) %s\n\n" "$myver"
	printf "$(gettext "\
Copyright (C) 2006-2008 Aaron Griffin <aaron@archlinux.org>.\n\
Copyright (c) 2007-2008 Dan McGee <dan@archlinux.org>.\n\n\
This is free software; see the source for copying conditions.\n\
There is NO WARRANTY, to the extent permitted by law.\n")"
}

# write a list entry
#		arg1 - Entry name
#		arg2 - List
#		arg3 - File to write to
write_list_entry() {
	if [ -n "$2" ]; then
		echo "%$1%" >>$3
		echo -e $2 >>$3
	fi
}

# write a delta entry to the pacman database
#   arg1 - path to delta
db_write_delta()
{
	# blank out all variables
	local deltafile="$1"
	local filename=$(basename "$deltafile")
	local deltavars pkgname fromver tover arch csize md5sum

	# format of the delta filename:
	# (package)-(fromver)_to_(tover)-(arch).delta
	deltavars=( $(echo "$filename" | sed -e 's/\(.*\)-\(.*-.*\)_to_\(.*-.*\)-\(.*\).delta/\1 \2 \3 \4/') )
	pkgname=${deltavars[0]}
	fromver=${deltavars[1]}
	tover=${deltavars[2]}
	arch=${deltavars[3]}

	# get md5sum and size of delta
	md5sum="$(openssl dgst -md5 "$deltafile" | awk '{print $NF}')"
	csize=$(@SIZECMD@ "$deltafile")

	# ensure variables were found
	if [ -z "$pkgname" -o -z "$fromver" -o -z "$tover" -o -z "$arch" ]; then
		return 1
	fi

	# add the entry for this delta file
	echo -e "$fromver $tover $csize $filename $md5sum" >>deltas
} # end db_write_delta


# write an entry to the pacman database
#   arg1 - path to package
db_write_entry()
{
	# blank out all variables
	local pkgfile="$1"
	local pkgname pkgver pkgdesc url builddate packager csize size \
		group depend backup license replaces provides conflict force \
		_groups _depends _backups _licenses _replaces _provides _conflicts \
		startdir optdepend _optdepends md5sum

	local OLDIFS="$IFS"
	# IFS (field separator) is only the newline character
	IFS="
"

	# read info from the zipped package
	local line var val
	for line in $(bsdtar -xOf "$pkgfile" .PKGINFO |
			grep -v '^#' | sed 's|\(\w*\)\s*=\s*\(.*\)|\1 \2|'); do
		# bash awesomeness here- var is always one word, val is everything else
		var=${line%% *}
		val=${line#* }
		declare $var="$val"
		case "$var" in
			group)    _groups="$_groups$group\n" ;;
			depend)   _depends="$_depends$depend\n" ;;
			backup)   _backups="$_backups$backup\n" ;;
			license)  _licenses="$_licenses$license\n" ;;
			replaces) _replaces="$_replaces$replaces\n" ;;
			provides) _provides="$_provides$provides\n" ;;
			conflict) _conflicts="$_conflicts$conflict\n" ;;
			optdepend) _optdepends="$_optdepends$optdepend\n" ;;
		esac
	done

	IFS=$OLDIFS

	# get md5sum and compressed size of package
	md5sum="$(openssl dgst -md5 "$pkgfile" | awk '{print $NF}')"
	csize=$(@SIZECMD@ "$pkgfile")

	# ensure $pkgname and $pkgver variables were found
	if [ -z "$pkgname" -o -z "$pkgver" ]; then
		error "$(gettext "Invalid package file '%s'.")" "$pkgfile"
		return 1
	fi

	startdir=$(pwd)
	pushd "$gstmpdir" 2>&1 >/dev/null

	if [ -d "$pkgname-$pkgver" ]; then
		warning "$(gettext "An entry for '%s' already existed")" "$pkgname-$pkgver"
	fi

	# remove an existing entry if it exists, ignore failures
	db_remove_entry "$pkgname"

	# create package directory
	mkdir "$pkgname-$pkgver"
	cd "$pkgname-$pkgver"

	# create desc entry
	msg2 "$(gettext "Creating 'desc' db entry...")"
	echo -e "%FILENAME%\n$(basename "$1")\n" >>desc
	echo -e "%NAME%\n$pkgname\n" >>desc
	echo -e "%VERSION%\n$pkgver\n" >>desc
	[ -n "$pkgdesc" ] && echo -e "%DESC%\n$pkgdesc\n" >>desc
	write_list_entry "GROUPS" "$_groups" "desc"
	[ -n $csize ] && echo -e "%CSIZE%\n$csize\n" >>desc
	[ -n $size ] && echo -e "%ISIZE%\n$size\n" >>desc

	# compute checksums
	msg2 "$(gettext "Computing md5 checksums...")"
	echo -e "%MD5SUM%\n$md5sum\n" >>desc

	[ -n "$url" ] && echo -e "%URL%\n$url\n" >>desc
	write_list_entry "LICENSE" "$_licenses" "desc"
	[ -n "$arch" ] && echo -e "%ARCH%\n$arch\n" >>desc
	[ -n "$builddate" ] && echo -e "%BUILDDATE%\n$builddate\n" >>desc
	[ -n "$packager" ] && echo -e "%PACKAGER%\n$packager\n" >>desc
	write_list_entry "REPLACES" "$_replaces" "desc"
	[ -n "$force" ] && echo -e "%FORCE%\n" >>desc

	# create depends entry
	msg2 "$(gettext "Creating 'depends' db entry...")"
	write_list_entry "DEPENDS" "$_depends" "depends"
	write_list_entry "CONFLICTS" "$_conflicts" "depends"
	write_list_entry "PROVIDES" "$_provides" "depends"
	write_list_entry "OPTDEPENDS" "$_optdepends" "depends"

	# create deltas entry if there are delta files
	# Xav : why should deltas be in $startdir?
	for delta in $startdir/$pkgname-*-*_to_*-*-$arch.delta; do
		# This for loop also pulls in all files that start with the current package
		# name and are followed by a -whatever. For instance, running this loop for
		# gcc would also grab gcc-libs. To guard against this, compare the package
		# name of the delta to the current package name.
		local filename=$(basename "$delta")
		local dpkgname="$(echo "$filename" | sed -e 's/\(.*\)-.*-.*_to_.*-.*-.*.delta/\1/')"
		if [ "$pkgname" = "$dpkgname" -a -f "$delta" ]; then
			# create deltas file if it does not already exist
			if [ ! -f "deltas" ]; then
				msg2 "$(gettext "Creating 'deltas' db entry...")"
				echo -e "%DELTAS%" >>deltas
			fi

			# write this delta entry
			if db_write_delta "$delta"; then
				msg2 "$(gettext "Added delta '%s'")" "$(basename "$delta")"
			else
				warning "$(gettext "Could not add delta '%s'")" "$(basename "$delta")"
			fi
		fi
	done
	# add the final newline
	[ -f "deltas" ] && echo -e "" >>deltas

	popd 2>&1 >/dev/null

	# preserve the modification time
	# Xav : what for?
	pkgdir="$gstmpdir/$pkgname-$pkgver"
	touch -r "$pkgfile" "$pkgdir/desc" "$pkgdir/depends"
	[ -f "$pkgdir/deltas" ] && touch -r "$pkgfile" "$pkgdir/deltas"

	return 0
} # end db_write_entry

# remove existing entries from the DB
#   arg1 - package name
db_remove_entry() {
	pushd "$gstmpdir" 2>&1 >/dev/null

	# remove any other package in the DB with same name
	local existing
	for existing in *; do
		if [ "${existing%-*-*}" = "$1" ]; then
			msg2 "$(gettext "Removing existing package '%s'...")" "$existing"
			rm -rf "$existing"
		fi
	done

	popd 2>&1 >/dev/null
} # end db_remove_entry

check_repo_db()
{
	if [ -f "$REPO_DB_FILE" ]; then
		if ! (bsdtar -tf "$REPO_DB_FILE" | grep -q "/desc"); then
			error "$(gettext "Repository file '%s' is not a proper pacman database.")" "$REPO_DB_FILE"
			exit 1
		fi
		msg "$(gettext "Extracting database to a temporary location...")"
		bsdtar -xf "$REPO_DB_FILE" -C "$gstmpdir"
	else
		if [ "$cmd" == "repo-remove" ]; then
			error "$(gettext "Repository file '%s' was not found.")" "$REPO_DB_FILE"
			exit 1
		fi
	fi
}

add()
{
	pkgfile=$1
	if [ ! -f "$1" ]; then
		error "$(gettext "Package '%s' not found.")" "$pkgfile"
		return 1
	fi

	if ! bsdtar -tf "$pkgfile" .PKGINFO 2>&1 >/dev/null; then
		error "$(gettext "'%s' is not a package file, skipping")" "$pkgfile"
		return 1
	fi

	msg "$(gettext "Adding package '%s'")" "$pkgfile"

	db_write_entry "$pkgfile"
}

remove()
{
	msg "$(gettext "Searching for package '%s'...")" "$arg"

	db_remove_entry "$arg"
}

# PROGRAM START

# determine whether we have gettext; make it a no-op if we do not
if [ ! $(type -t gettext) ]; then
	gettext() {
		echo "$@"
	}
fi

case "$1" in
	-h|--help) usage; exit 0;;
	-V|--version) version; exit 0;;
esac

# check for correct number of args
if [ $# -lt 2 ]; then
	usage
	exit 1
fi

# main routine
gstmpdir=$(mktemp -d /tmp/repo-tools.XXXXXXXXXX) || (\
	error "$(gettext "Cannot create temp directory for database building.")"; \
	exit 1)

# figure out what program we are
cmd="$(basename $0)"
if [ "$cmd" != "repo-add" -a "$cmd" != "repo-remove" ]; then
	error "$(gettext "Invalid command name '%s' specified.")" "$cmd"
	exit 1
fi

success=0
# parse arguments
for arg in "$@"; do
	case "$arg" in
		-q|--quiet) QUIET=1;;

		-f|--force)
			warning "$(gettext "the -f and --force options are no longer recognized")"
			msg2 "$(gettext "use options=(force) in the PKGBUILD instead")"
			;;

		*)
			if [ -z "$REPO_DB_FILE" ]; then
				REPO_DB_FILE="$arg"
				check_repo_db
			else
				case "$cmd" in
					repo-add) add $arg && success=1 ;;
					repo-remove) remove $arg && success=1 ;;
				esac
			fi
			;;
	esac
done

# if at least one operation was a success, re-zip database
if [ $success -eq 1 ]; then
	msg "$(gettext "Creating updated database file '%s'")" "$REPO_DB_FILE"

	case "$REPO_DB_FILE" in
		*tar.gz)  TAR_OPT="z" ;;
		*tar.bz2) TAR_OPT="j" ;;
		*) warning "$(gettext "'%s' does not have a valid archive extension.")" \
		"$REPO_DB_FILE" ;;
	esac

	filename=$(basename "$REPO_DB_FILE")

	pushd "$gstmpdir" 2>&1 >/dev/null
	if [ -n "$(ls)" ]; then
		bsdtar -c${TAR_OPT}f "$filename" *
	else
		# the database will be moved to .old below, and there will be no new one to replace it
		error "$(gettext "All packages have been removed from the database. Deleting '%s'.")" "$REPO_DB_FILE"
	fi
	popd 2>&1 >/dev/null

	[ -f "$REPO_DB_FILE" ] && mv -f "$REPO_DB_FILE" "${REPO_DB_FILE}.old"
	[ -f "$gstmpdir/$filename" ] && mv "$gstmpdir/$filename" "$REPO_DB_FILE"
else
	msg "$(gettext "No packages modified, nothing to do.")"
fi

# remove the temp directory used to unzip
[ -d "$gstmpdir" ] && rm -rf "$gstmpdir"

# vim: set ts=2 sw=2 noet: