aboutsummaryrefslogtreecommitdiff
path: root/pbuilder-modules
blob: 8f604eb61d43f9353bdeeeddb2245aeadd5f1e2d (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
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
#! /bin/bash
# common modules for pbuilder.
#   pbuilder -- personal Debian package builder
#   Copyright (C) 2001-2009 Junichi Uekawa
#
#   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, write to the Free Software
#   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA


function showhelp () {
    cat <<EOF
pbuilder - a personal builder
Copyright 2001-2007 Junichi Uekawa
Distributed under GNU Public License version 2 or later

pbuilder [operation] [pbuilder-options]
pdebuild [pdebuild-options] -- [pbuilder-options]

command lines:
pbuilder --create [--basetgz base.tgz-path] [--distribution etch|lenny|sid|experimental]
  Creates a base.tgz

pbuilder --update [--basetgz base.tgz-path] [--distribution etch|lenny|sid|experimental]
  Updates a base.tgz

pbuilder --build [--basetgz base.tgz-path] pbuilder_2.2.0-1.dsc
  Builds using the base.tgz. Requires a .dsc filename

pbuilder --clean
  Cleans the temporal build directory.

pbuilder --login
pbuilder --execute -- [command] [command-options]
  Logs in to the build environment and execute command.

pbuilder --dumpconfig
  Dumps configuration information to stdout for debugging.

pbuilder-options:
 --basetgz [base.tgz location]
 --buildplace [location of build]
 --mirror [mirror location]
 --othermirror [other mirror location in apt deb-line format, delimited with | signs]
 --http-proxy [proxy]
 --distribution [distribution(sid|etch|lenny|experimental)]
 --components [components]
 --buildresult [location-to-copy-build-result]
 --aptcache [location of retrieved package files]
 --removepackages [packages-to-remove on pbuilder create]
 --extrapackages [packages-to-add on pbuilder create]
 --configfile [configuration file to load]
 --hookdir [hook directory]
 --debemail [mail address]
 --debbuildopts [dpkg-buildpackage options]
 --logfile [filename to output log]
 --pkgname-logfile
 --aptconfdir [overriding apt config dir]
 --timeout [timeout time]
 --override-config 
 --binary-arch
 --preserve-buildplace
 --bindmounts [bind-mount-point]
 --debug
 --autocleanaptcache
 --debootstrapopts [debootstrap options]
 --save-after-login/--save-after-exec
 --debootstrap [debootstrap|cdebootstrap]

pdebuild-specific pbuilder-options:
 --pbuilderroot [command to obtain root privilege for pbuilder] 
 --pbuildersatisfydepends [command to satisfy build-dependencies]
 --buildsourceroot [command to obtain root privilege for dpkg-buildpackage]
 --use-pdebuild-internal
 --auto-debsign
 --debsign-k [keyid]
EOF
    exit 1
}

# Log a message
# message is of a format
#  E: error message
#  W: warning message
#  I: informational message
function log() {
    case "$*" in
	"E: "*) 
	    echo "$*" >&2
	    ;;
 	"W: "*) 
	    echo "$*" >&2
	    ;;
 	"I: "*) 
	    echo "$*"
	    ;;
	*)
	    echo "malformed log message: $*"
	    exit 1
	    ;;
    esac
}

# test whether a directory is empty
# fails if "$*" exists but isn't a directory
# fails and outputs garbage if "$*" doesn't actually exist
is_empty_dir() {
  return "$(find "$*" -maxdepth 0 -type d -empty -printf 0 -o -printf 1)"
}

# sanity checks to ensure mountpoint $1 is truly unmounted in $BUILDPLACE
# (fails relatively often to ensure we don't "rm -rf" a bind mount)
function seems_truly_unmounted() {
    local mountpoint
    mountpoint="$1"
    if ! [ -e "$BUILDPLACE/$mountpoint" ]; then
        log "W: $mountpoint doesn't exist"
        return 1
    fi
    if ! [ -d "$BUILDPLACE/$mountpoint" ]; then
        log "W: $mountpoint isn't a directory"
        return 1
    fi
    if [ -r "$BUILDPLACE/proc/mounts" ] && grep -q "^[^ ]* $mountpoint " "$BUILDPLACE/proc/mounts"; then
        log "W: $mountpoint is mounted according to build place's /proc/mounts"
        return 1
    fi
    if [ -r "/proc/mounts" ] && grep -q "^[^ ]* $BUILDPLACE/$mountpoint " "/proc/mounts"; then
        log "W: $mountpoint is mounted according to system's /proc/mounts"
        return 1
    fi
    if ! is_empty_dir "$BUILDPLACE/$mountpoint"; then
        log "W: $mountpoint not empty"
        return 1
    fi
    return 0
}

function umount_one () {
    if [ "${IGNORE_UMOUNT}" = "yes" ]; then
	# support ignore umount option.
	log "I: ignoring umount of $1 filesystem"
	return
    fi
    log "I: unmounting $1 filesystem"
    local UMOUNT_OUTPUT
    if ! UMOUNT_OUTPUT="$(LC_ALL=C umount "$BUILDPLACE/$1" 2>&1)"; then
        log "W: Could not unmount $1: $UMOUNT_OUTPUT"
        local ignore_umount_error="no"
        case $UMOUNT_OUTPUT in
          "umount: "*": not found"|"umount:"*": not mounted")
            # run an additional set of sanity checks
            if seems_truly_unmounted "$1"; then
                ignore_umount_error="yes"
            else
                log "W: Tried ignoring error in unmount, but sanity check failed: $1 might still be mounted"
            fi
            ;;
          *)
            :
            ;;
        esac
        if [ "$ignore_umount_error" != "yes" ]; then
	    log "W: Retrying to unmount $1 in 5s"
	    sleep 5s
	    while ! umount "$BUILDPLACE/$1"; do
		sleep 5s
		cat <<EOF

  Could not unmount $1, some programs might
  still be using files in /proc (klogd?).
  Please check and kill these processes manually
  so that I can unmount $1.  Last umount error was:
$UMOUNT_OUTPUT

  This error only affects chroots; you may want to use
  user-mode-linux to avoid this message.

EOF
		chroot "$BUILDPLACE" bin/sh
	    done
        else
            log "W: Ignored error in unmount"
        fi
    fi
}

function umountproc () {
    # push arguments on a stack to reverse direction.
    local reversed
    reversed=
    for mnt in $BINDMOUNTS; do
	reversed="$mnt $reversed"
    done
    for mnt in $reversed; do
	umount_one "$mnt"
    done
    if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then
	umount_one "selinux"
    fi
    if [ "$USEDEVPTS" = "yes" ]; then
	umount_one "dev/pts"
    fi
    if [ "$USEDEVFS" = "yes" ]; then
	umount_one "dev"
    fi
    if [ "$USEPROC" = "yes" ]; then
	if [ -e $BUILDPLACE/proc/sys/fs/binfmt_misc/status ]; then
	    umount_one "proc/sys/fs/binfmt_misc"
	fi
	umount_one "proc"
    fi
}


# Mount /proc /dev/pts /dev and bind-mount points
# Also create a policy-rc.d script if it doesn't already exist.
function mountproc () {
    local -a mounted
    if [ "$USEPROC" = "yes" ]; then
	log "I: mounting /proc filesystem"
	mkdir -p $BUILDPLACE/proc
	mount -t proc /proc "$BUILDPLACE/proc"
	ln -s ../proc/mounts $BUILDPLACE/etc/mtab 2> /dev/null || true
	mounted[${#mounted[@]}]="$BUILDPLACE/proc"
    fi
    if [ "$USEDEVFS" = "yes" ]; then
	log "I: mounting /dev filesystem"x
	mkdir -p $BUILDPLACE/dev || true
	mount -t devfs /dev "$BUILDPLACE/dev" 
	mounted[${#mounted[@]}]="$BUILDPLACE/dev"
    fi
    if [ "$USEDEVPTS" = "yes" ]; then
	log "I: mounting /dev/pts filesystem"
	mkdir -p $BUILDPLACE/dev/pts || true
	TTYGRP=5
	TTYMODE=620
	[ -f /etc/default/devpts ] && . /etc/default/devpts
	mount -t devpts /dev/pts "$BUILDPLACE/dev/pts" -onoexec,nosuid,gid=$TTYGRP,mode=$TTYMODE
	mounted[${#mounted[@]}]="$BUILDPLACE/dev/pts"
    fi
    if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then
	log "I: mounting selinux filesystem"
	mkdir -p $BUILDPLACE/selinux
	mount -t selinuxfs /selinux "$BUILDPLACE/selinux"
	mounted[${#mounted[@]}]="$BUILDPLACE/selinux"
    fi
    for mnt in $BINDMOUNTS; do
	log "I: Mounting $mnt"
	if mkdir -p "$BUILDPLACE/$mnt" && 
	    mount -obind "$mnt" "$BUILDPLACE/$mnt"; then
	    # successful.
	    mounted[${#mounted[@]}]="$mnt"
	else
	    # this part of code is the only part which is supposed to fail.
	    # When unsuccessful, backtrack / umount and abort.
	    if [ -n "${mounted[*]}" ]; then
		log "I: error recovery: umount successfully mounted mount-points: ${mounted[@]}"
		for umnt in "${mounted[@]}"; do
		    log "I: umounting $umnt"
		    umount "$umnt"
		done
	    fi
	    exit 1
	fi
    done
    if [ -f "$BUILDPLACE/usr/sbin/policy-rc.d" ]; then
	log "I: policy-rc.d already exists"
    else
	log "I: installing dummy policy-rc.d"
	echo "\
#!/bin/sh

while true; do
case "\$1" in
  -*) shift ;;
  makedev) exit 0;;
  x11-common) exit 0;;
  *)  exit 101;;
esac
done

" >  "$BUILDPLACE/usr/sbin/policy-rc.d" 
	chmod a+x "$BUILDPLACE/usr/sbin/policy-rc.d" 
    fi
}

## function to clean subdirs, use instead of rm -r
function clean_subdirectories () {
  if [ -z "$1" ]; then
      log "E: Fatal internal error in clean_subdirectories"
      exit 1;
  fi
  if [ ! -d "$1" ]; then
      log "W: directory $1 does not exist in clean_subdirectories"
      return;
  fi
  log "I: removing directory $1 and its subdirectories"
  find "$1" -xdev \( \! -type d \) -print0 |xargs -0 rm -f
  find "$1" -xdev -depth -type d -print0 | \
      (xargs -0 rmdir || true)
}

function cleanbuildplace () {
    if [ "$?" -ne 0 ]; then
	log "W: Aborting with an error";
    fi
    if [ "${INTERNAL_BUILD_UML}" != "yes" ]; then
	if [ -d "$BUILDPLACE" ]; then 
	    log "I: cleaning the build env "
	    clean_subdirectories "$BUILDPLACE"
	fi;
    fi
}

function umountproc_cleanbuildplace () {
    # rolling back to abort.
    if [ "$?" -ne 0 ]; then
	log "W: Aborting with an error";
    fi
    umountproc
    cleanbuildplace
}

function saveaptcache_umountproc_cleanbuildplace () {
    # save the apt cache, and call umountproc_cleanbuildplace
    save_aptcache
    umountproc_cleanbuildplace
}

function installaptlines (){
    log "I: Installing apt-lines"
    rm -f "$BUILDPLACE"/etc/apt/sources.list
    if [ -z "$DISTRIBUTION" ]; then
	log "E: Distribution not specified, please specify"
	exit 1
    fi
    if [ -z "$COMPONENTS" ] ; then
	COMPONENTS="main"
    fi
    if [ -n "$OTHERMIRROR" ]; then 
	echo "$OTHERMIRROR" | tr "|" "\n" >> "$BUILDPLACE"/etc/apt/sources.list 
    fi
    if [ -n "$MIRRORSITE" ] ; then
	cat >> "$BUILDPLACE"/etc/apt/sources.list << EOF
deb $MIRRORSITE $DISTRIBUTION $COMPONENTS
#deb-src $MIRRORSITE $DISTRIBUTION $COMPONENTS
EOF
    fi
    if [ -n "$APTCONFDIR" ]; then
	log "I: Copy " "$APTCONFDIR"/* " to chroot"
	cp -a "$APTCONFDIR/"* "$BUILDPLACE"/etc/apt
    fi

    if [ ! -d "$BUILDPLACE"/etc/apt/apt.conf.d ]; then
	log "I: Create /etc/apt/apt.conf.d/ inside chroot"
	mkdir "$BUILDPLACE"/etc/apt/apt.conf.d
    fi

    # configure /etc/apt.conf.d/15pbuilder
    cat > "$BUILDPLACE"/etc/apt/apt.conf.d/15pbuilder <<EOF
APT::Install-Recommends "false";
EOF
    if [ -n "$EXPERIMENTAL" ]; then
	log "I: Installing apt-lines and pinning for experimental"
	if [ -n "$MIRRORSITE" ] ; then
	    echo "deb $MIRRORSITE experimental main" >> "$BUILDPLACE"/etc/apt/sources.list
	    echo "#deb-src $MIRRORSITE experimental main" >> "$BUILDPLACE"/etc/apt/sources.list
	fi
	cat >> "$BUILDPLACE"/etc/apt/apt.conf.d/15pbuilder <<EOF
APT::Default-Release "experimental";
EOF
    fi
}

function copy_local_configuration () {
    log "I: copying local configuration"
    for a in hosts hostname resolv.conf; do 
	if [ -f "/etc/$a" ]; then
		rm -f "$BUILDPLACE/etc/$a"
		cp $( readlink -f "/etc/$a" ) "$BUILDPLACE/etc/$a";
	else
		log "W: No local /etc/$a to copy, relying on $BUILDPLACE/etc/$a to be correct"
 	fi
    done
}

function extractbuildplace () {
    # after calling this function, umountproc, and cleanbuildplace
    # needs to be called. Please trap it after calling this function.

    if [ "${INTERNAL_BUILD_UML}" != "yes" -a ! \( "${PRESERVE_BUILDPLACE}" = "yes" -a -d "$BUILDPLACE" \) ]; then
	cleanbuildplace
	log "I: Building the build Environment"
	if ! mkdir -p "$BUILDPLACE"; then
	    log "E: failed to build the directory to chroot"
	    exit 1
	fi
	log "I: extracting base tarball [${BASETGZ}]"
	if [ ! -f "$BASETGZ" ]; then
	    log "E: failed to find $BASETGZ, have you done <pbuilder create> to create your base tarball yet?"
	    exit 1
	fi
	if ! (cd "$BUILDPLACE" && tar xfzp "$BASETGZ"); then
	    log "E: failed to extract $BASETGZ to $BUILDPLACE"
	    exit 1
	fi
	log "I: creating local configuration"
	hostname -f > "$BUILDPLACE/etc/mailname"
    fi
    copy_local_configuration

    # installaptlines may fail with exit 1, do it earlier than mountproc.
    if [ "$OVERRIDE_APTLINES" = "yes" ]; then
	installaptlines
    else # Warn if override config is not set
	if [ "$OVERRIDE_APTLINES_WARN" = "yes" ]; then
	    log "W: --override-config is not set; not updating apt.conf Read the manpage for details."
	fi
    fi

    mountproc
    mkdir -p "$BUILDPLACE/tmp/buildd"
}


function recover_aptcache() {
    local doit
    # recover the aptcache archive
    if [ -n "$APTCACHE" ]; then
	if [ "$APTCACHEHARDLINK" = "yes" ]; then
	    doit=ln
	else
	    doit=cp
	fi
	log "I: Obtaining the cached apt archive contents"
	find "$APTCACHE" -maxdepth 1 -name \*.deb | \
	    while read A ; do
	    $doit "$A" "$BUILDPLACE/var/cache/apt/archives/" || true
	done
    fi
}

function save_aptcache() {
    # save the current aptcache archive
    # it is safe to call this function several times.
    local doit
    if [ -n "$APTCACHE" ]; then
	log "I: Copying back the cached apt archive contents"
	mkdir -p "$APTCACHE" ;
	if [ "$APTCACHEHARDLINK" = "yes" ]; then
	    doit=ln
	else
	    doit=cp
	fi
	find "$BUILDPLACE/var/cache/apt/archives/" -maxdepth 1 -name \*.deb | \
	    while read A ;do
	    if [ ! -f "$APTCACHE/"$(basename "$A") -a -f "$A" ]; then
		log "I: new cache content "$(basename "$A")" added"
		$doit "$A" "$APTCACHE/" || true
	    fi
	done
    fi
}

function create_basetgz() {
    # create base.tgz
    ( 
	if ! cd "$BUILDPLACE"; then
	    log "E: unexpected error in chdir to $BUILDPLACE"
	    exit 1;
	fi
	while test -f "${BASETGZ}.tmp"; do
	    log "I: Someone else has lock over ${BASETGZ}.tmp, waiting"
	    sleep 10s
	done
	log "I: creating base tarball [${BASETGZ}]"
	if ! tar cfz "${BASETGZ}.tmp" * ; then
	    log "E: failed building base tarball"
	    rm -f "${BASETGZ}.tmp"
	    exit 1;
	fi
	mv "${BASETGZ}.tmp" "${BASETGZ}"
    )
}

function copyinputfile() {
    # copy files to inside chroot, copy all files specified by INPUTFILE[] parameter.
    TARGETDIR="$1"
    if [ -z "$TARGETDIR" ]; then
	log "E: Unexpected error in copyinputfile"
	exit 1x
    fi
    if [ -n "$INPUTFILE" ]; then
	log "I: copy ${INPUTFILE[*]} to taget directory"
	cp "${INPUTFILE[@]}" "${TARGETDIR}"
    fi
}

# all trap hooks that should lead to 'exit'; and error exit.
function cleanbuildplace_trap () {
    trap "" sigpipe sighup
    set +e
    cleanbuildplace
    trap - exit sighup sigpipe
    exit 1
}
function saveaptcache_umountproc_cleanbuildplace_trap () {
    trap "" sigpipe sighup
    set +e
    saveaptcache_umountproc_cleanbuildplace
    trap - exit sighup sigpipe
    exit 1
}
function umountproc_cleanbuildplace_trap () {
    trap "" sigpipe sighup
    set +e
    umountproc_cleanbuildplace
    trap - exit sighup sigpipe
    exit 1
}
function umountproc_trap () {
    trap "" sigpipe sighup
    set +e
    umountproc
    trap - exit sighup sigpipe
    exit 1
}

#Setting environmental variables that are really required:
#required for some packages to install...
export LANG=C
export LC_ALL=C