1# Report significant differences in the buildhistory repository since a specific revision 2# 3# Copyright (C) 2012-2013, 2016-2017 Intel Corporation 4# Author: Paul Eggleton <paul.eggleton@linux.intel.com> 5# 6# SPDX-License-Identifier: GPL-2.0-only 7# 8# Note: requires GitPython 0.3.1+ 9# 10# You can use this from the command line by running scripts/buildhistory-diff 11# 12 13import sys 14import os.path 15import difflib 16import git 17import re 18import shlex 19import hashlib 20import collections 21import bb.utils 22import bb.tinfoil 23 24 25# How to display fields 26list_fields = ['DEPENDS', 'RPROVIDES', 'RDEPENDS', 'RRECOMMENDS', 'RSUGGESTS', 'RREPLACES', 'RCONFLICTS', 'FILES', 'FILELIST', 'USER_CLASSES', 'IMAGE_CLASSES', 'IMAGE_FEATURES', 'IMAGE_LINGUAS', 'IMAGE_INSTALL', 'BAD_RECOMMENDATIONS', 'PACKAGE_EXCLUDE'] 27list_order_fields = ['PACKAGES'] 28defaultval_map = {'PKG': 'PKG', 'PKGE': 'PE', 'PKGV': 'PV', 'PKGR': 'PR'} 29numeric_fields = ['PKGSIZE', 'IMAGESIZE'] 30# Fields to monitor 31monitor_fields = ['RPROVIDES', 'RDEPENDS', 'RRECOMMENDS', 'RREPLACES', 'RCONFLICTS', 'PACKAGES', 'FILELIST', 'PKGSIZE', 'IMAGESIZE', 'PKG'] 32ver_monitor_fields = ['PKGE', 'PKGV', 'PKGR'] 33# Percentage change to alert for numeric fields 34monitor_numeric_threshold = 10 35# Image files to monitor (note that image-info.txt is handled separately) 36img_monitor_files = ['installed-package-names.txt', 'files-in-image.txt'] 37 38colours = { 39 'colour_default': '', 40 'colour_add': '', 41 'colour_remove': '', 42} 43 44def init_colours(use_colours): 45 global colours 46 if use_colours: 47 colours = { 48 'colour_default': '\033[0m', 49 'colour_add': '\033[1;32m', 50 'colour_remove': '\033[1;31m', 51 } 52 else: 53 colours = { 54 'colour_default': '', 55 'colour_add': '', 56 'colour_remove': '', 57 } 58 59class ChangeRecord: 60 def __init__(self, path, fieldname, oldvalue, newvalue, monitored): 61 self.path = path 62 self.fieldname = fieldname 63 self.oldvalue = oldvalue 64 self.newvalue = newvalue 65 self.monitored = monitored 66 self.filechanges = None 67 68 def __str__(self): 69 return self._str_internal(True) 70 71 def _str_internal(self, outer): 72 if outer: 73 if '/image-files/' in self.path: 74 prefix = '%s: ' % self.path.split('/image-files/')[0] 75 else: 76 prefix = '%s: ' % self.path 77 else: 78 prefix = '' 79 80 def pkglist_combine(depver): 81 pkglist = [] 82 for k,v in depver.items(): 83 if v: 84 pkglist.append("%s (%s)" % (k,v)) 85 else: 86 pkglist.append(k) 87 return pkglist 88 89 def detect_renamed_dirs(aitems, bitems): 90 adirs = set(map(os.path.dirname, aitems)) 91 bdirs = set(map(os.path.dirname, bitems)) 92 files_ab = [(name, sorted(os.path.basename(item) for item in aitems if os.path.dirname(item) == name)) \ 93 for name in adirs - bdirs] 94 files_ba = [(name, sorted(os.path.basename(item) for item in bitems if os.path.dirname(item) == name)) \ 95 for name in bdirs - adirs] 96 renamed_dirs = [] 97 for dir1, files1 in files_ab: 98 rename = False 99 for dir2, files2 in files_ba: 100 if files1 == files2 and not rename: 101 renamed_dirs.append((dir1,dir2)) 102 # Make sure that we don't use this (dir, files) pair again. 103 files_ba.remove((dir2,files2)) 104 # If a dir has already been found to have a rename, stop and go no further. 105 rename = True 106 107 # remove files that belong to renamed dirs from aitems and bitems 108 for dir1, dir2 in renamed_dirs: 109 aitems = [item for item in aitems if os.path.dirname(item) not in (dir1, dir2)] 110 bitems = [item for item in bitems if os.path.dirname(item) not in (dir1, dir2)] 111 return renamed_dirs, aitems, bitems 112 113 if self.fieldname in list_fields or self.fieldname in list_order_fields: 114 renamed_dirs = [] 115 changed_order = False 116 if self.fieldname in ['RPROVIDES', 'RDEPENDS', 'RRECOMMENDS', 'RSUGGESTS', 'RREPLACES', 'RCONFLICTS']: 117 (depvera, depverb) = compare_pkg_lists(self.oldvalue, self.newvalue) 118 aitems = pkglist_combine(depvera) 119 bitems = pkglist_combine(depverb) 120 else: 121 if self.fieldname == 'FILELIST': 122 aitems = shlex.split(self.oldvalue) 123 bitems = shlex.split(self.newvalue) 124 renamed_dirs, aitems, bitems = detect_renamed_dirs(aitems, bitems) 125 else: 126 aitems = self.oldvalue.split() 127 bitems = self.newvalue.split() 128 129 removed = list(set(aitems) - set(bitems)) 130 added = list(set(bitems) - set(aitems)) 131 132 if not removed and not added and self.fieldname in ['RPROVIDES', 'RDEPENDS', 'RRECOMMENDS', 'RSUGGESTS', 'RREPLACES', 'RCONFLICTS']: 133 depvera = bb.utils.explode_dep_versions2(self.oldvalue, sort=False) 134 depverb = bb.utils.explode_dep_versions2(self.newvalue, sort=False) 135 for i, j in zip(depvera.items(), depverb.items()): 136 if i[0] != j[0]: 137 changed_order = True 138 break 139 140 lines = [] 141 if renamed_dirs: 142 for dfrom, dto in renamed_dirs: 143 lines.append('directory renamed {colour_remove}{}{colour_default} -> {colour_add}{}{colour_default}'.format(dfrom, dto, **colours)) 144 if removed or added: 145 if removed and not bitems: 146 lines.append('removed all items "{colour_remove}{}{colour_default}"'.format(' '.join(removed), **colours)) 147 else: 148 if removed: 149 lines.append('removed "{colour_remove}{value}{colour_default}"'.format(value=' '.join(removed), **colours)) 150 if added: 151 lines.append('added "{colour_add}{value}{colour_default}"'.format(value=' '.join(added), **colours)) 152 else: 153 lines.append('changed order') 154 155 if not (removed or added or changed_order): 156 out = '' 157 else: 158 out = '%s: %s' % (self.fieldname, ', '.join(lines)) 159 160 elif self.fieldname in numeric_fields: 161 aval = int(self.oldvalue or 0) 162 bval = int(self.newvalue or 0) 163 if aval != 0: 164 percentchg = ((bval - aval) / float(aval)) * 100 165 else: 166 percentchg = 100 167 out = '{} changed from {colour_remove}{}{colour_default} to {colour_add}{}{colour_default} ({}{:.0f}%)'.format(self.fieldname, self.oldvalue or "''", self.newvalue or "''", '+' if percentchg > 0 else '', percentchg, **colours) 168 elif self.fieldname in defaultval_map: 169 out = '{} changed from {colour_remove}{}{colour_default} to {colour_add}{}{colour_default}'.format(self.fieldname, self.oldvalue, self.newvalue, **colours) 170 if self.fieldname == 'PKG' and '[default]' in self.newvalue: 171 out += ' - may indicate debian renaming failure' 172 elif self.fieldname in ['pkg_preinst', 'pkg_postinst', 'pkg_prerm', 'pkg_postrm']: 173 if self.oldvalue and self.newvalue: 174 out = '%s changed:\n ' % self.fieldname 175 elif self.newvalue: 176 out = '%s added:\n ' % self.fieldname 177 elif self.oldvalue: 178 out = '%s cleared:\n ' % self.fieldname 179 alines = self.oldvalue.splitlines() 180 blines = self.newvalue.splitlines() 181 diff = difflib.unified_diff(alines, blines, self.fieldname, self.fieldname, lineterm='') 182 out += '\n '.join(list(diff)[2:]) 183 out += '\n --' 184 elif self.fieldname in img_monitor_files or '/image-files/' in self.path or self.fieldname == "sysroot": 185 if self.filechanges or (self.oldvalue and self.newvalue): 186 fieldname = self.fieldname 187 if '/image-files/' in self.path: 188 fieldname = os.path.join('/' + self.path.split('/image-files/')[1], self.fieldname) 189 out = 'Changes to %s:\n ' % fieldname 190 else: 191 if outer: 192 prefix = 'Changes to %s ' % self.path 193 out = '(%s):\n ' % self.fieldname 194 if self.filechanges: 195 out += '\n '.join(['%s' % i for i in self.filechanges]) 196 else: 197 alines = self.oldvalue.splitlines() 198 blines = self.newvalue.splitlines() 199 diff = difflib.unified_diff(alines, blines, fieldname, fieldname, lineterm='') 200 out += '\n '.join(list(diff)) 201 out += '\n --' 202 else: 203 out = '' 204 else: 205 out = '{} changed from "{colour_remove}{}{colour_default}" to "{colour_add}{}{colour_default}"'.format(self.fieldname, self.oldvalue, self.newvalue, **colours) 206 207 return '%s%s' % (prefix, out) if out else '' 208 209class FileChange: 210 changetype_add = 'A' 211 changetype_remove = 'R' 212 changetype_type = 'T' 213 changetype_perms = 'P' 214 changetype_ownergroup = 'O' 215 changetype_link = 'L' 216 217 def __init__(self, path, changetype, oldvalue = None, newvalue = None): 218 self.path = path 219 self.changetype = changetype 220 self.oldvalue = oldvalue 221 self.newvalue = newvalue 222 223 def _ftype_str(self, ftype): 224 if ftype == '-': 225 return 'file' 226 elif ftype == 'd': 227 return 'directory' 228 elif ftype == 'l': 229 return 'symlink' 230 elif ftype == 'c': 231 return 'char device' 232 elif ftype == 'b': 233 return 'block device' 234 elif ftype == 'p': 235 return 'fifo' 236 elif ftype == 's': 237 return 'socket' 238 else: 239 return 'unknown (%s)' % ftype 240 241 def __str__(self): 242 if self.changetype == self.changetype_add: 243 return '%s was added' % self.path 244 elif self.changetype == self.changetype_remove: 245 return '%s was removed' % self.path 246 elif self.changetype == self.changetype_type: 247 return '%s changed type from %s to %s' % (self.path, self._ftype_str(self.oldvalue), self._ftype_str(self.newvalue)) 248 elif self.changetype == self.changetype_perms: 249 return '%s changed permissions from %s to %s' % (self.path, self.oldvalue, self.newvalue) 250 elif self.changetype == self.changetype_ownergroup: 251 return '%s changed owner/group from %s to %s' % (self.path, self.oldvalue, self.newvalue) 252 elif self.changetype == self.changetype_link: 253 return '%s changed symlink target from %s to %s' % (self.path, self.oldvalue, self.newvalue) 254 else: 255 return '%s changed (unknown)' % self.path 256 257 258def blob_to_dict(blob): 259 alines = [line for line in blob.data_stream.read().decode('utf-8').splitlines()] 260 adict = {} 261 for line in alines: 262 splitv = [i.strip() for i in line.split('=',1)] 263 if len(splitv) > 1: 264 adict[splitv[0]] = splitv[1] 265 return adict 266 267 268def file_list_to_dict(lines): 269 adict = {} 270 for line in lines: 271 # Leave the last few fields intact so we handle file names containing spaces 272 splitv = line.split(None,4) 273 # Grab the path and remove the leading . 274 path = splitv[4][1:].strip() 275 # Handle symlinks 276 if(' -> ' in path): 277 target = path.split(' -> ')[1] 278 path = path.split(' -> ')[0] 279 adict[path] = splitv[0:3] + [target] 280 else: 281 adict[path] = splitv[0:3] 282 return adict 283 284 285def compare_file_lists(alines, blines, compare_ownership=True): 286 adict = file_list_to_dict(alines) 287 bdict = file_list_to_dict(blines) 288 filechanges = [] 289 for path, splitv in adict.items(): 290 newsplitv = bdict.pop(path, None) 291 if newsplitv: 292 # Check type 293 oldvalue = splitv[0][0] 294 newvalue = newsplitv[0][0] 295 if oldvalue != newvalue: 296 filechanges.append(FileChange(path, FileChange.changetype_type, oldvalue, newvalue)) 297 298 # Check permissions 299 oldvalue = splitv[0][1:] 300 newvalue = newsplitv[0][1:] 301 if oldvalue != newvalue: 302 filechanges.append(FileChange(path, FileChange.changetype_perms, oldvalue, newvalue)) 303 304 if compare_ownership: 305 # Check owner/group 306 oldvalue = '%s/%s' % (splitv[1], splitv[2]) 307 newvalue = '%s/%s' % (newsplitv[1], newsplitv[2]) 308 if oldvalue != newvalue: 309 filechanges.append(FileChange(path, FileChange.changetype_ownergroup, oldvalue, newvalue)) 310 311 # Check symlink target 312 if newsplitv[0][0] == 'l': 313 if len(splitv) > 3: 314 oldvalue = splitv[3] 315 else: 316 oldvalue = None 317 newvalue = newsplitv[3] 318 if oldvalue != newvalue: 319 filechanges.append(FileChange(path, FileChange.changetype_link, oldvalue, newvalue)) 320 else: 321 filechanges.append(FileChange(path, FileChange.changetype_remove)) 322 323 # Whatever is left over has been added 324 for path in bdict: 325 filechanges.append(FileChange(path, FileChange.changetype_add)) 326 327 return filechanges 328 329 330def compare_lists(alines, blines): 331 removed = list(set(alines) - set(blines)) 332 added = list(set(blines) - set(alines)) 333 334 filechanges = [] 335 for pkg in removed: 336 filechanges.append(FileChange(pkg, FileChange.changetype_remove)) 337 for pkg in added: 338 filechanges.append(FileChange(pkg, FileChange.changetype_add)) 339 340 return filechanges 341 342 343def compare_pkg_lists(astr, bstr): 344 depvera = bb.utils.explode_dep_versions2(astr) 345 depverb = bb.utils.explode_dep_versions2(bstr) 346 347 # Strip out changes where the version has increased 348 remove = [] 349 for k in depvera: 350 if k in depverb: 351 dva = depvera[k] 352 dvb = depverb[k] 353 if dva and dvb and len(dva) == len(dvb): 354 # Since length is the same, sort so that prefixes (e.g. >=) will line up 355 dva.sort() 356 dvb.sort() 357 removeit = True 358 for dvai, dvbi in zip(dva, dvb): 359 if dvai != dvbi: 360 aiprefix = dvai.split(' ')[0] 361 biprefix = dvbi.split(' ')[0] 362 if aiprefix == biprefix and aiprefix in ['>=', '=']: 363 if bb.utils.vercmp(bb.utils.split_version(dvai), bb.utils.split_version(dvbi)) > 0: 364 removeit = False 365 break 366 else: 367 removeit = False 368 break 369 if removeit: 370 remove.append(k) 371 372 for k in remove: 373 depvera.pop(k) 374 depverb.pop(k) 375 376 return (depvera, depverb) 377 378 379def compare_dict_blobs(path, ablob, bblob, report_all, report_ver): 380 adict = blob_to_dict(ablob) 381 bdict = blob_to_dict(bblob) 382 383 pkgname = os.path.basename(path) 384 385 defaultvals = {} 386 defaultvals['PKG'] = pkgname 387 defaultvals['PKGE'] = '0' 388 389 changes = [] 390 keys = list(set(adict.keys()) | set(bdict.keys()) | set(defaultval_map.keys())) 391 for key in keys: 392 astr = adict.get(key, '') 393 bstr = bdict.get(key, '') 394 if key in ver_monitor_fields: 395 monitored = report_ver or astr or bstr 396 else: 397 monitored = key in monitor_fields 398 mapped_key = defaultval_map.get(key, '') 399 if mapped_key: 400 if not astr: 401 astr = '%s [default]' % adict.get(mapped_key, defaultvals.get(key, '')) 402 if not bstr: 403 bstr = '%s [default]' % bdict.get(mapped_key, defaultvals.get(key, '')) 404 405 if astr != bstr: 406 if (not report_all) and key in numeric_fields: 407 aval = int(astr or 0) 408 bval = int(bstr or 0) 409 if aval != 0: 410 percentchg = ((bval - aval) / float(aval)) * 100 411 else: 412 percentchg = 100 413 if abs(percentchg) < monitor_numeric_threshold: 414 continue 415 elif (not report_all) and key in list_fields: 416 if key == "FILELIST" and path.endswith("-dbg") and bstr.strip() != '': 417 continue 418 if key in ['RPROVIDES', 'RDEPENDS', 'RRECOMMENDS', 'RSUGGESTS', 'RREPLACES', 'RCONFLICTS']: 419 (depvera, depverb) = compare_pkg_lists(astr, bstr) 420 if depvera == depverb: 421 continue 422 if key == 'FILELIST': 423 alist = shlex.split(astr) 424 blist = shlex.split(bstr) 425 else: 426 alist = astr.split() 427 blist = bstr.split() 428 alist.sort() 429 blist.sort() 430 # We don't care about the removal of self-dependencies 431 if pkgname in alist and not pkgname in blist: 432 alist.remove(pkgname) 433 if ' '.join(alist) == ' '.join(blist): 434 continue 435 436 if key == 'PKGR' and not report_all: 437 vers = [] 438 # strip leading 'r' and dots 439 for ver in (astr.split()[0], bstr.split()[0]): 440 if ver.startswith('r'): 441 ver = ver[1:] 442 vers.append(ver.replace('.', '')) 443 maxlen = max(len(vers[0]), len(vers[1])) 444 try: 445 # pad with '0' and convert to int 446 vers = [int(ver.ljust(maxlen, '0')) for ver in vers] 447 except ValueError: 448 pass 449 else: 450 # skip decrements and increments 451 if abs(vers[0] - vers[1]) == 1: 452 continue 453 454 chg = ChangeRecord(path, key, astr, bstr, monitored) 455 changes.append(chg) 456 return changes 457 458 459def compare_siglists(a_blob, b_blob, taskdiff=False): 460 # FIXME collapse down a recipe's tasks? 461 alines = a_blob.data_stream.read().decode('utf-8').splitlines() 462 blines = b_blob.data_stream.read().decode('utf-8').splitlines() 463 keys = [] 464 pnmap = {} 465 def readsigs(lines): 466 sigs = {} 467 for line in lines: 468 linesplit = line.split() 469 if len(linesplit) > 2: 470 sigs[linesplit[0]] = linesplit[2] 471 if not linesplit[0] in keys: 472 keys.append(linesplit[0]) 473 pnmap[linesplit[1]] = linesplit[0].rsplit('.', 1)[0] 474 return sigs 475 adict = readsigs(alines) 476 bdict = readsigs(blines) 477 out = [] 478 479 changecount = 0 480 addcount = 0 481 removecount = 0 482 if taskdiff: 483 with bb.tinfoil.Tinfoil() as tinfoil: 484 tinfoil.prepare(config_only=True) 485 486 changes = collections.OrderedDict() 487 488 def compare_hashfiles(pn, taskname, hash1, hash2): 489 hashes = [hash1, hash2] 490 hashfiles = bb.siggen.find_siginfo(pn, taskname, hashes, tinfoil.config_data) 491 492 if not taskname: 493 (pn, taskname) = pn.rsplit('.', 1) 494 pn = pnmap.get(pn, pn) 495 desc = '%s.%s' % (pn, taskname) 496 497 if len(hashfiles) == 0: 498 out.append("Unable to find matching sigdata for %s with hashes %s or %s" % (desc, hash1, hash2)) 499 elif not hash1 in hashfiles: 500 out.append("Unable to find matching sigdata for %s with hash %s" % (desc, hash1)) 501 elif not hash2 in hashfiles: 502 out.append("Unable to find matching sigdata for %s with hash %s" % (desc, hash2)) 503 else: 504 out2 = bb.siggen.compare_sigfiles(hashfiles[hash1], hashfiles[hash2], recursecb, collapsed=True) 505 for line in out2: 506 m = hashlib.sha256() 507 m.update(line.encode('utf-8')) 508 entry = changes.get(m.hexdigest(), (line, [])) 509 if desc not in entry[1]: 510 changes[m.hexdigest()] = (line, entry[1] + [desc]) 511 512 # Define recursion callback 513 def recursecb(key, hash1, hash2): 514 compare_hashfiles(key, None, hash1, hash2) 515 return [] 516 517 for key in keys: 518 siga = adict.get(key, None) 519 sigb = bdict.get(key, None) 520 if siga is not None and sigb is not None and siga != sigb: 521 changecount += 1 522 (pn, taskname) = key.rsplit('.', 1) 523 compare_hashfiles(pn, taskname, siga, sigb) 524 elif siga is None: 525 addcount += 1 526 elif sigb is None: 527 removecount += 1 528 for key, item in changes.items(): 529 line, tasks = item 530 if len(tasks) == 1: 531 desc = tasks[0] 532 elif len(tasks) == 2: 533 desc = '%s and %s' % (tasks[0], tasks[1]) 534 else: 535 desc = '%s and %d others' % (tasks[-1], len(tasks)-1) 536 out.append('%s: %s' % (desc, line)) 537 else: 538 for key in keys: 539 siga = adict.get(key, None) 540 sigb = bdict.get(key, None) 541 if siga is not None and sigb is not None and siga != sigb: 542 out.append('%s changed from %s to %s' % (key, siga, sigb)) 543 changecount += 1 544 elif siga is None: 545 out.append('%s was added' % key) 546 addcount += 1 547 elif sigb is None: 548 out.append('%s was removed' % key) 549 removecount += 1 550 out.append('Summary: %d tasks added, %d tasks removed, %d tasks modified (%.1f%%)' % (addcount, removecount, changecount, (changecount / float(len(bdict)) * 100))) 551 return '\n'.join(out) 552 553 554def process_changes(repopath, revision1, revision2='HEAD', report_all=False, report_ver=False, 555 sigs=False, sigsdiff=False, exclude_path=None): 556 repo = git.Repo(repopath) 557 assert repo.bare == False 558 commit = repo.commit(revision1) 559 diff = commit.diff(revision2) 560 561 changes = [] 562 563 if sigs or sigsdiff: 564 for d in diff.iter_change_type('M'): 565 if d.a_blob.path == 'siglist.txt': 566 changes.append(compare_siglists(d.a_blob, d.b_blob, taskdiff=sigsdiff)) 567 return changes 568 569 for d in diff.iter_change_type('M'): 570 path = os.path.dirname(d.a_blob.path) 571 if path.startswith('packages/'): 572 filename = os.path.basename(d.a_blob.path) 573 if filename == 'latest': 574 changes.extend(compare_dict_blobs(path, d.a_blob, d.b_blob, report_all, report_ver)) 575 elif filename.startswith('latest.'): 576 chg = ChangeRecord(path, filename, d.a_blob.data_stream.read().decode('utf-8'), d.b_blob.data_stream.read().decode('utf-8'), True) 577 changes.append(chg) 578 elif filename == 'sysroot': 579 alines = d.a_blob.data_stream.read().decode('utf-8').splitlines() 580 blines = d.b_blob.data_stream.read().decode('utf-8').splitlines() 581 filechanges = compare_file_lists(alines,blines, compare_ownership=False) 582 if filechanges: 583 chg = ChangeRecord(path, filename, None, None, True) 584 chg.filechanges = filechanges 585 changes.append(chg) 586 587 elif path.startswith('images/'): 588 filename = os.path.basename(d.a_blob.path) 589 if filename in img_monitor_files: 590 if filename == 'files-in-image.txt': 591 alines = d.a_blob.data_stream.read().decode('utf-8').splitlines() 592 blines = d.b_blob.data_stream.read().decode('utf-8').splitlines() 593 filechanges = compare_file_lists(alines,blines) 594 if filechanges: 595 chg = ChangeRecord(path, filename, None, None, True) 596 chg.filechanges = filechanges 597 changes.append(chg) 598 elif filename == 'installed-package-names.txt': 599 alines = d.a_blob.data_stream.read().decode('utf-8').splitlines() 600 blines = d.b_blob.data_stream.read().decode('utf-8').splitlines() 601 filechanges = compare_lists(alines,blines) 602 if filechanges: 603 chg = ChangeRecord(path, filename, None, None, True) 604 chg.filechanges = filechanges 605 changes.append(chg) 606 else: 607 chg = ChangeRecord(path, filename, d.a_blob.data_stream.read().decode('utf-8'), d.b_blob.data_stream.read().decode('utf-8'), True) 608 changes.append(chg) 609 elif filename == 'image-info.txt': 610 changes.extend(compare_dict_blobs(path, d.a_blob, d.b_blob, report_all, report_ver)) 611 elif '/image-files/' in path: 612 chg = ChangeRecord(path, filename, d.a_blob.data_stream.read().decode('utf-8'), d.b_blob.data_stream.read().decode('utf-8'), True) 613 changes.append(chg) 614 615 # Look for added preinst/postinst/prerm/postrm 616 # (without reporting newly added recipes) 617 addedpkgs = [] 618 addedchanges = [] 619 for d in diff.iter_change_type('A'): 620 path = os.path.dirname(d.b_blob.path) 621 if path.startswith('packages/'): 622 filename = os.path.basename(d.b_blob.path) 623 if filename == 'latest': 624 addedpkgs.append(path) 625 elif filename.startswith('latest.'): 626 chg = ChangeRecord(path, filename[7:], '', d.b_blob.data_stream.read().decode('utf-8'), True) 627 addedchanges.append(chg) 628 for chg in addedchanges: 629 found = False 630 for pkg in addedpkgs: 631 if chg.path.startswith(pkg): 632 found = True 633 break 634 if not found: 635 changes.append(chg) 636 637 # Look for cleared preinst/postinst/prerm/postrm 638 for d in diff.iter_change_type('D'): 639 path = os.path.dirname(d.a_blob.path) 640 if path.startswith('packages/'): 641 filename = os.path.basename(d.a_blob.path) 642 if filename != 'latest' and filename.startswith('latest.'): 643 chg = ChangeRecord(path, filename[7:], d.a_blob.data_stream.read().decode('utf-8'), '', True) 644 changes.append(chg) 645 646 # filter out unwanted paths 647 if exclude_path: 648 for chg in changes: 649 if chg.filechanges: 650 fchgs = [] 651 for fchg in chg.filechanges: 652 for epath in exclude_path: 653 if fchg.path.startswith(epath): 654 break 655 else: 656 fchgs.append(fchg) 657 chg.filechanges = fchgs 658 659 if report_all: 660 return changes 661 else: 662 return [chg for chg in changes if chg.monitored] 663