aboutsummaryrefslogtreecommitdiff
path: root/scripts/oe-pkgdata-util
blob: aea8a5751662086003ee104f5e4c4cffad8978d7 (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
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
#!/usr/bin/env python3

# OpenEmbedded pkgdata utility
#
# Written by: Paul Eggleton <paul.eggleton@linux.intel.com>
#
# Copyright 2012-2015 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
#

import sys
import os
import os.path
import fnmatch
import re
import argparse
import logging
from collections import defaultdict, OrderedDict

scripts_path = os.path.dirname(os.path.realpath(__file__))
lib_path = scripts_path + '/lib'
sys.path = sys.path + [lib_path]
import scriptutils
import argparse_oe
logger = scriptutils.logger_create('pkgdatautil')

def tinfoil_init():
    import bb.tinfoil
    import logging
    tinfoil = bb.tinfoil.Tinfoil()
    tinfoil.logger.setLevel(logging.WARNING)
    tinfoil.prepare(True)
    return tinfoil


def glob(args):
    # Handle both multiple arguments and multiple values within an arg (old syntax)
    globs = []
    for globitem in args.glob:
        globs.extend(globitem.split())

    if not os.path.exists(args.pkglistfile):
        logger.error('Unable to find package list file %s' % args.pkglistfile)
        sys.exit(1)

    skipval = "-locale-|^locale-base-|-dev$|-doc$|-dbg$|-staticdev$|^kernel-module-"
    if args.exclude:
        skipval += "|" + args.exclude
    skipregex = re.compile(skipval)

    skippedpkgs = set()
    mappedpkgs = set()
    with open(args.pkglistfile, 'r') as f:
        for line in f:
            fields = line.rstrip().split()
            if not fields:
                continue
            pkg = fields[0]
            # We don't care about other args (used to need the package architecture but the
            # new pkgdata structure avoids the need for that)

            # Skip packages for which there is no point applying globs
            if skipregex.search(pkg):
                logger.debug("%s -> !!" % pkg)
                skippedpkgs.add(pkg)
                continue

            # Skip packages that already match the globs, so if e.g. a dev package
            # is already installed and thus in the list, we don't process it any further
            # Most of these will be caught by skipregex already, but just in case...
            already = False
            for g in globs:
                if fnmatch.fnmatchcase(pkg, g):
                    already = True
                    break
            if already:
                skippedpkgs.add(pkg)
                logger.debug("%s -> !" % pkg)
                continue

            # Define some functions
            def revpkgdata(pkgn):
                return os.path.join(args.pkgdata_dir, "runtime-reverse", pkgn)
            def fwdpkgdata(pkgn):
                return os.path.join(args.pkgdata_dir, "runtime", pkgn)
            def readpn(pkgdata_file):
                pn = ""
                with open(pkgdata_file, 'r') as f:
                    for line in f:
                        if line.startswith("PN:"):
                            pn = line.split(': ')[1].rstrip()
                return pn
            def readrenamed(pkgdata_file):
                renamed = ""
                pn = os.path.basename(pkgdata_file)
                with open(pkgdata_file, 'r') as f:
                    for line in f:
                        if line.startswith("PKG_%s:" % pn):
                            renamed = line.split(': ')[1].rstrip()
                return renamed

            # Main processing loop
            for g in globs:
                mappedpkg = ""
                # First just try substitution (i.e. packagename -> packagename-dev)
                newpkg = g.replace("*", pkg)
                revlink = revpkgdata(newpkg)
                if os.path.exists(revlink):
                    mappedpkg = os.path.basename(os.readlink(revlink))
                    fwdfile = fwdpkgdata(mappedpkg)
                    if os.path.exists(fwdfile):
                        mappedpkg = readrenamed(fwdfile)
                    if not os.path.exists(fwdfile + ".packaged"):
                        mappedpkg = ""
                else:
                    revlink = revpkgdata(pkg)
                    if os.path.exists(revlink):
                        # Check if we can map after undoing the package renaming (by resolving the symlink)
                        origpkg = os.path.basename(os.readlink(revlink))
                        newpkg = g.replace("*", origpkg)
                        fwdfile = fwdpkgdata(newpkg)
                        if os.path.exists(fwdfile):
                            mappedpkg = readrenamed(fwdfile)
                        else:
                            # That didn't work, so now get the PN, substitute that, then map in the other direction
                            pn = readpn(revlink)
                            newpkg = g.replace("*", pn)
                            fwdfile = fwdpkgdata(newpkg)
                            if os.path.exists(fwdfile):
                                mappedpkg = readrenamed(fwdfile)
                        if not os.path.exists(fwdfile + ".packaged"):
                            mappedpkg = ""
                    else:
                        # Package doesn't even exist...
                        logger.debug("%s is not a valid package!" % (pkg))
                        break

                if mappedpkg:
                    logger.debug("%s (%s) -> %s" % (pkg, g, mappedpkg))
                    mappedpkgs.add(mappedpkg)
                else:
                    logger.debug("%s (%s) -> ?" % (pkg, g))

    logger.debug("------")

    print("\n".join(mappedpkgs - skippedpkgs))

def read_value(args):
    # Handle both multiple arguments and multiple values within an arg (old syntax)
    packages = []
    if args.file:
        with open(args.file, 'r') as f:
            for line in f:
                splitline = line.split()
                if splitline:
                    packages.append(splitline[0])
    else:
        for pkgitem in args.pkg:
            packages.extend(pkgitem.split())
        if not packages:
            logger.error("No packages specified")
            sys.exit(1)

    def readvar(pkgdata_file, valuename, mappedpkg):
        val = ""
        with open(pkgdata_file, 'r') as f:
            for line in f:
                if (line.startswith(valuename + ":") or
                    line.startswith(valuename + "_" + mappedpkg + ":")):
                    val = line.split(': ', 1)[1].rstrip()
        return val

    logger.debug("read-value('%s', '%s' '%s')" % (args.pkgdata_dir, args.valuename, packages))
    for package in packages:
        pkg_split = package.split('_')
        pkg_name = pkg_split[0]
        logger.debug("package: '%s'" % pkg_name)
        revlink = os.path.join(args.pkgdata_dir, "runtime-reverse", pkg_name)
        logger.debug(revlink)
        if os.path.exists(revlink):
            mappedpkg = os.path.basename(os.readlink(revlink))
            qvar = args.valuename
            value = readvar(revlink, qvar, mappedpkg)
            if qvar == "PKGSIZE":
                # PKGSIZE is now in bytes, but we we want it in KB
                pkgsize = (int(value) + 1024 // 2) // 1024
                value = "%d" % pkgsize
            if args.unescape:
                import codecs
                # escape_decode() unescapes backslash encodings in byte streams
                value = codecs.escape_decode(bytes(value, "utf-8"))[0].decode("utf-8")
            if args.prefix_name:
                print('%s %s' % (pkg_name, value))
            else:
                print(value)
        else:
            logger.debug("revlink %s does not exist", revlink)

def lookup_pkglist(pkgs, pkgdata_dir, reverse):
    if reverse:
        mappings = OrderedDict()
        for pkg in pkgs:
            revlink = os.path.join(pkgdata_dir, "runtime-reverse", pkg)
            logger.debug(revlink)
            if os.path.exists(revlink):
                mappings[pkg] = os.path.basename(os.readlink(revlink))
    else:
        mappings = defaultdict(list)
        for pkg in pkgs:
            pkgfile = os.path.join(pkgdata_dir, 'runtime', pkg)
            if os.path.exists(pkgfile):
                with open(pkgfile, 'r') as f:
                    for line in f:
                        fields = line.rstrip().split(': ')
                        if fields[0] == 'PKG_%s' % pkg:
                            mappings[pkg].append(fields[1])
                            break
    return mappings

def lookup_pkg(args):
    # Handle both multiple arguments and multiple values within an arg (old syntax)
    pkgs = []
    for pkgitem in args.pkg:
        pkgs.extend(pkgitem.split())

    mappings = lookup_pkglist(pkgs, args.pkgdata_dir, args.reverse)

    if len(mappings) < len(pkgs):
        missing = list(set(pkgs) - set(mappings.keys()))
        logger.error("The following packages could not be found: %s" % ', '.join(missing))
        sys.exit(1)

    if args.reverse:
        items = list(mappings.values())
    else:
        items = []
        for pkg in pkgs:
            items.extend(mappings.get(pkg, []))

    print('\n'.join(items))

def lookup_recipe(args):
    def parse_pkgdatafile(pkgdatafile):
        with open(pkgdatafile, 'r') as f:
            found = False
            for line in f:
                if line.startswith('PN:'):
                    print("%s" % line.split(':', 1)[1].strip())
                    found = True
                    break
            if not found:
                logger.error("Unable to find PN entry in %s" % pkgdatafile)
                sys.exit(1)

    # Handle both multiple arguments and multiple values within an arg (old syntax)
    pkgs = []
    for pkgitem in args.pkg:
        pkgs.extend(pkgitem.split())

    for pkg in pkgs:
        providepkgpath = os.path.join(args.pkgdata_dir, "runtime-rprovides", pkg)
        if os.path.exists(providepkgpath):
            for f in os.listdir(providepkgpath):
                if f != pkg:
                    print("%s is in the RPROVIDES of %s:" % (pkg, f))
                pkgdatafile = os.path.join(args.pkgdata_dir, "runtime", f)
                parse_pkgdatafile(pkgdatafile)
            break
        pkgdatafile = os.path.join(args.pkgdata_dir, 'runtime-reverse', pkg)
        if not os.path.exists(pkgdatafile):
            logger.error("The following packages could not be found: %s" % pkg)
            sys.exit(1)
        parse_pkgdatafile(pkgdatafile)

def package_info(args):
    def parse_pkgdatafile(pkgdatafile):
        with open(pkgdatafile, 'r') as f:
            pkge = ''
            pkgr = ''
            pe = ''
            pr = ''
            for line in f:
                if line.startswith('PKGV:'):
                    pkg_version = line.split(':', 1)[1].strip()
                elif line.startswith('PKGE:'):
                    pkge = line.split(':', 1)[1].strip()
                elif line.startswith('PKGR:'):
                    pkgr = line.split(':', 1)[1].strip()
                elif line.startswith('PN:'):
                    recipe = line.split(':', 1)[1].strip()
                elif line.startswith('PV:'):
                    recipe_version = line.split(':', 1)[1].strip()
                elif line.startswith('PE:'):
                    pe = line.split(':', 1)[1].strip()
                elif line.startswith('PR:'):
                    pr = line.split(':', 1)[1].strip()
                elif line.startswith('PKGSIZE'):
                    pkg_size = line.split(':', 1)[1].strip()
            if pkge:
                pkg_version = pkge + ":" + pkg_version
            if pkgr:
                pkg_version = pkg_version + "-" + pkgr
            if pe:
                recipe_version = pe + ":" + recipe_version
            if pr:
                recipe_version = recipe_version + "-" + pr
            print("%s %s %s %s %s" % (pkg, pkg_version, recipe, recipe_version, pkg_size))

    # Handle both multiple arguments and multiple values within an arg (old syntax)
    packages = []
    if args.file:
        with open(args.file, 'r') as f:
            for line in f:
                splitline = line.split()
                if splitline:
                    packages.append(splitline[0])
    else:
        for pkgitem in args.pkg:
            packages.extend(pkgitem.split())
        if not packages:
            logger.error("No packages specified")
            sys.exit(1)

    for pkg in packages:
        providepkgpath = os.path.join(args.pkgdata_dir, "runtime-rprovides", pkg)
        if os.path.exists(providepkgpath):
            for f in os.listdir(providepkgpath):
                if f != pkg:
                    print("%s is in the RPROVIDES of %s:" % (pkg, f))
                pkgdatafile = os.path.join(args.pkgdata_dir, "runtime", f)
                parse_pkgdatafile(pkgdatafile)
            break
        pkgdatafile = os.path.join(args.pkgdata_dir, "runtime-reverse", pkg)
        if not os.path.exists(pkgdatafile):
            logger.error("Unable to find any built runtime package named %s" % pkg)
            sys.exit(1)
        parse_pkgdatafile(pkgdatafile)

def get_recipe_pkgs(pkgdata_dir, recipe, unpackaged):
    recipedatafile = os.path.join(pkgdata_dir, recipe)
    if not os.path.exists(recipedatafile):
        logger.error("Unable to find packaged recipe with name %s" % recipe)
        sys.exit(1)
    packages = []
    with open(recipedatafile, 'r') as f:
        for line in f:
            fields = line.rstrip().split(': ')
            if fields[0] == 'PACKAGES':
                packages = fields[1].split()
                break

    if not unpackaged:
        pkglist = []
        for pkg in packages:
            if os.path.exists(os.path.join(pkgdata_dir, 'runtime', '%s.packaged' % pkg)):
                pkglist.append(pkg)
        return pkglist
    else:
        return packages

def list_pkgs(args):
    found = False

    def matchpkg(pkg):
        if args.pkgspec:
            matched = False
            for pkgspec in args.pkgspec:
                if fnmatch.fnmatchcase(pkg, pkgspec):
                    matched = True
                    break
            if not matched:
                return False
        if not args.unpackaged:
            if args.runtime:
                revlink = os.path.join(args.pkgdata_dir, "runtime-reverse", pkg)
                if os.path.exists(revlink):
                    # We're unlikely to get here if the package was not packaged, but just in case
                    # we add the symlinks for unpackaged files in the future
                    mappedpkg = os.path.basename(os.readlink(revlink))
                    if not os.path.exists(os.path.join(args.pkgdata_dir, 'runtime', '%s.packaged' % mappedpkg)):
                        return False
                else:
                    return False
            else:
                if not os.path.exists(os.path.join(args.pkgdata_dir, 'runtime', '%s.packaged' % pkg)):
                    return False
        return True

    if args.recipe:
        packages = get_recipe_pkgs(args.pkgdata_dir, args.recipe, args.unpackaged)

        if args.runtime:
            pkglist = []
            runtime_pkgs = lookup_pkglist(packages, args.pkgdata_dir, False)
            for rtpkgs in runtime_pkgs.values():
                pkglist.extend(rtpkgs)
        else:
            pkglist = packages

        for pkg in pkglist:
            if matchpkg(pkg):
                found = True
                print("%s" % pkg)
    else:
        if args.runtime:
            searchdir = 'runtime-reverse'
        else:
            searchdir = 'runtime'

        for root, dirs, files in os.walk(os.path.join(args.pkgdata_dir, searchdir)):
            for fn in files:
                if fn.endswith('.packaged'):
                    continue
                if matchpkg(fn):
                    found = True
                    print("%s" % fn)
    if not found:
        if args.pkgspec:
            logger.error("Unable to find any package matching %s" % args.pkgspec)
        else:
            logger.error("No packages found")
        sys.exit(1)

def list_pkg_files(args):
    import json
    def parse_pkgdatafile(pkgdatafile, long=False):
        with open(pkgdatafile, 'r') as f:
            found = False
            for line in f:
                if line.startswith('FILES_INFO:'):
                    found = True
                    val = line.split(':', 1)[1].strip()
                    dictval = json.loads(val)
                    if long:
                        width = max(map(len, dictval), default=0)
                        for fullpth in sorted(dictval):
                            print("\t{:{width}}\t{}".format(fullpth, dictval[fullpth], width=width))
                    else:
                        for fullpth in sorted(dictval):
                            print("\t%s" % fullpth)
                    break
            if not found:
                logger.error("Unable to find FILES_INFO entry in %s" % pkgdatafile)
                sys.exit(1)


    if args.recipe:
        if args.pkg:
            logger.error("list-pkg-files: If -p/--recipe is specified then a package name cannot be specified")
            sys.exit(1)
        recipepkglist = get_recipe_pkgs(args.pkgdata_dir, args.recipe, args.unpackaged)
        if args.runtime:
            pkglist = []
            runtime_pkgs = lookup_pkglist(recipepkglist, args.pkgdata_dir, False)
            for rtpkgs in runtime_pkgs.values():
                pkglist.extend(rtpkgs)
        else:
            pkglist = recipepkglist
    else:
        if not args.pkg:
            logger.error("list-pkg-files: If -p/--recipe is not specified then at least one package name must be specified")
            sys.exit(1)
        pkglist = args.pkg

    for pkg in sorted(pkglist):
        print("%s:" % pkg)
        if args.runtime:
            pkgdatafile = os.path.join(args.pkgdata_dir, "runtime-reverse", pkg)
            if not os.path.exists(pkgdatafile):
                if args.recipe:
                    # This package was empty and thus never packaged, ignore
                    continue
                logger.error("Unable to find any built runtime package named %s" % pkg)
                sys.exit(1)
            parse_pkgdatafile(pkgdatafile, args.long)

        else:
            providepkgpath = os.path.join(args.pkgdata_dir, "runtime-rprovides", pkg)
            if os.path.exists(providepkgpath):
                for f in os.listdir(providepkgpath):
                    if f != pkg:
                        print("%s is in the RPROVIDES of %s:" % (pkg, f))
                    pkgdatafile = os.path.join(args.pkgdata_dir, "runtime", f)
                    parse_pkgdatafile(pkgdatafile, args.long)
                continue
            pkgdatafile = os.path.join(args.pkgdata_dir, "runtime", pkg)
            if not os.path.exists(pkgdatafile):
                logger.error("Unable to find any built recipe-space package named %s" % pkg)
                sys.exit(1)
            parse_pkgdatafile(pkgdatafile, args.long)

def find_path(args):
    import json

    found = False
    for root, dirs, files in os.walk(os.path.join(args.pkgdata_dir, 'runtime')):
        for fn in files:
            with open(os.path.join(root,fn)) as f:
                for line in f:
                    if line.startswith('FILES_INFO:'):
                        val = line.split(':', 1)[1].strip()
                        dictval = json.loads(val)
                        for fullpth in dictval.keys():
                            if fnmatch.fnmatchcase(fullpth, args.targetpath):
                                found = True
                                print("%s: %s" % (fn, fullpth))
                        break
    if not found:
        logger.error("Unable to find any package producing path %s" % args.targetpath)
        sys.exit(1)


def main():
    parser = argparse_oe.ArgumentParser(description="OpenEmbedded pkgdata tool - queries the pkgdata files written out during do_package",
                                        epilog="Use %(prog)s <subcommand> --help to get help on a specific command")
    parser.add_argument('-d', '--debug', help='Enable debug output', action='store_true')
    parser.add_argument('-p', '--pkgdata-dir', help='Path to pkgdata directory (determined automatically if not specified)')
    subparsers = parser.add_subparsers(title='subcommands', metavar='<subcommand>')
    subparsers.required = True

    parser_lookup_pkg = subparsers.add_parser('lookup-pkg',
                                          help='Translate between recipe-space package names and runtime package names',
                                          description='Looks up the specified recipe-space package name(s) to see what the final runtime package name is (e.g. glibc becomes libc6), or with -r/--reverse looks up the other way.')
    parser_lookup_pkg.add_argument('pkg', nargs='+', help='Package name to look up')
    parser_lookup_pkg.add_argument('-r', '--reverse', help='Switch to looking up recipe-space package names from runtime package names', action='store_true')
    parser_lookup_pkg.set_defaults(func=lookup_pkg)

    parser_list_pkgs = subparsers.add_parser('list-pkgs',
                                          help='List packages',
                                          description='Lists packages that have been built')
    parser_list_pkgs.add_argument('pkgspec', nargs='*', help='Package name to search for (wildcards * ? allowed, use quotes to avoid shell expansion)')
    parser_list_pkgs.add_argument('-r', '--runtime', help='Show runtime package names instead of recipe-space package names', action='store_true')
    parser_list_pkgs.add_argument('-p', '--recipe', help='Limit to packages produced by the specified recipe')
    parser_list_pkgs.add_argument('-u', '--unpackaged', help='Include unpackaged (i.e. empty) packages', action='store_true')
    parser_list_pkgs.set_defaults(func=list_pkgs)

    parser_list_pkg_files = subparsers.add_parser('list-pkg-files',
                                          help='List files within a package',
                                          description='Lists files included in one or more packages')
    parser_list_pkg_files.add_argument('pkg', nargs='*', help='Package name to report on (if -p/--recipe is not specified)')
    parser_list_pkg_files.add_argument('-r', '--runtime', help='Specified package(s) are runtime package names instead of recipe-space package names', action='store_true')
    parser_list_pkg_files.add_argument('-p', '--recipe', help='Report on all packages produced by the specified recipe')
    parser_list_pkg_files.add_argument('-u', '--unpackaged', help='Include unpackaged (i.e. empty) packages (only useful with -p/--recipe)', action='store_true')
    parser_list_pkg_files.add_argument('-l', '--long', help='Show more information per file', action='store_true')
    parser_list_pkg_files.set_defaults(func=list_pkg_files)

    parser_lookup_recipe = subparsers.add_parser('lookup-recipe',
                                          help='Find recipe producing one or more packages',
                                          description='Looks up the specified runtime package(s) to see which recipe they were produced by')
    parser_lookup_recipe.add_argument('pkg', nargs='+', help='Runtime package name to look up')
    parser_lookup_recipe.set_defaults(func=lookup_recipe)

    parser_package_info = subparsers.add_parser('package-info',
                                          help='Show version, recipe and size information for one or more packages',
                                          description='Looks up the specified runtime package(s) and display information')
    parser_package_info.add_argument('pkg', nargs='*', help='Runtime package name to look up')
    parser_package_info.add_argument('-f', '--file', help='Read package names from the specified file (one per line, first field only)')
    parser_package_info.add_argument('-e', '--extra', help='Extra variables to display, e.g., LICENSE (can be specified multiple times)', action='append')
    parser_package_info.set_defaults(func=package_info)

    parser_find_path = subparsers.add_parser('find-path',
                                          help='Find package providing a target path',
                                          description='Finds the recipe-space package providing the specified target path')
    parser_find_path.add_argument('targetpath', help='Path to find (wildcards * ? allowed, use quotes to avoid shell expansion)')
    parser_find_path.set_defaults(func=find_path)

    parser_read_value = subparsers.add_parser('read-value',
                                          help='Read any pkgdata value for one or more packages',
                                          description='Reads the named value from the pkgdata files for the specified packages')
    parser_read_value.add_argument('valuename', help='Name of the value to look up')
    parser_read_value.add_argument('pkg', nargs='*', help='Runtime package name to look up')
    parser_read_value.add_argument('-f', '--file', help='Read package names from the specified file (one per line, first field only)')
    parser_read_value.add_argument('-n', '--prefix-name', help='Prefix output with package name', action='store_true')
    parser_read_value.add_argument('-u', '--unescape', help='Expand escapes such as \\n', action='store_true')
    parser_read_value.set_defaults(func=read_value)

    parser_glob = subparsers.add_parser('glob',
                                          help='Expand package name glob expression',
                                          description='Expands one or more glob expressions over the packages listed in pkglistfile')
    parser_glob.add_argument('pkglistfile', help='File listing packages (one package name per line)')
    parser_glob.add_argument('glob', nargs="+", help='Glob expression for package names, e.g. *-dev')
    parser_glob.add_argument('-x', '--exclude', help='Exclude packages matching specified regex from the glob operation')
    parser_glob.set_defaults(func=glob)


    args = parser.parse_args()

    if args.debug:
        logger.setLevel(logging.DEBUG)

    if not args.pkgdata_dir:
        import scriptpath
        bitbakepath = scriptpath.add_bitbake_lib_path()
        if not bitbakepath:
            logger.error("Unable to find bitbake by searching parent directory of this script or PATH")
            sys.exit(1)
        logger.debug('Found bitbake path: %s' % bitbakepath)
        tinfoil = tinfoil_init()
        try:
            args.pkgdata_dir = tinfoil.config_data.getVar('PKGDATA_DIR')
        finally:
            tinfoil.shutdown()
        logger.debug('Value of PKGDATA_DIR is "%s"' % args.pkgdata_dir)
        if not args.pkgdata_dir:
            logger.error('Unable to determine pkgdata directory from PKGDATA_DIR')
            sys.exit(1)

    if not os.path.exists(args.pkgdata_dir):
        logger.error('Unable to find pkgdata directory %s' % args.pkgdata_dir)
        sys.exit(1)

    ret = args.func(args)

    return ret


if __name__ == "__main__":
    main()