457 lines
18 KiB
Python
457 lines
18 KiB
Python
# Report significant differences in the buildhistory repository since a specific revision
|
|
#
|
|
# Copyright (C) 2012 Intel Corporation
|
|
# Author: Paul Eggleton <paul.eggleton@linux.intel.com>
|
|
#
|
|
# Note: requires GitPython 0.3.1+
|
|
#
|
|
# You can use this from the command line by running scripts/buildhistory-diff
|
|
#
|
|
|
|
import sys
|
|
import os.path
|
|
import difflib
|
|
import git
|
|
import re
|
|
import bb.utils
|
|
|
|
|
|
# How to display fields
|
|
list_fields = ['DEPENDS', 'RPROVIDES', 'RDEPENDS', 'RRECOMMENDS', 'RSUGGESTS', 'RREPLACES', 'RCONFLICTS', 'FILES', 'FILELIST', 'USER_CLASSES', 'IMAGE_CLASSES', 'IMAGE_FEATURES', 'IMAGE_LINGUAS', 'IMAGE_INSTALL', 'BAD_RECOMMENDATIONS']
|
|
list_order_fields = ['PACKAGES']
|
|
defaultval_map = {'PKG': 'PKG', 'PKGE': 'PE', 'PKGV': 'PV', 'PKGR': 'PR'}
|
|
numeric_fields = ['PKGSIZE', 'IMAGESIZE']
|
|
# Fields to monitor
|
|
monitor_fields = ['RPROVIDES', 'RDEPENDS', 'RRECOMMENDS', 'RREPLACES', 'RCONFLICTS', 'PACKAGES', 'FILELIST', 'PKGSIZE', 'IMAGESIZE', 'PKG']
|
|
ver_monitor_fields = ['PKGE', 'PKGV', 'PKGR']
|
|
# Percentage change to alert for numeric fields
|
|
monitor_numeric_threshold = 10
|
|
# Image files to monitor (note that image-info.txt is handled separately)
|
|
img_monitor_files = ['installed-package-names.txt', 'files-in-image.txt']
|
|
# Related context fields for reporting (note: PE, PV & PR are always reported for monitored package fields)
|
|
related_fields = {}
|
|
related_fields['RDEPENDS'] = ['DEPENDS']
|
|
related_fields['RRECOMMENDS'] = ['DEPENDS']
|
|
related_fields['FILELIST'] = ['FILES']
|
|
related_fields['PKGSIZE'] = ['FILELIST']
|
|
related_fields['files-in-image.txt'] = ['installed-package-names.txt', 'USER_CLASSES', 'IMAGE_CLASSES', 'ROOTFS_POSTPROCESS_COMMAND', 'IMAGE_POSTPROCESS_COMMAND']
|
|
related_fields['installed-package-names.txt'] = ['IMAGE_FEATURES', 'IMAGE_LINGUAS', 'IMAGE_INSTALL', 'BAD_RECOMMENDATIONS']
|
|
|
|
|
|
class ChangeRecord:
|
|
def __init__(self, path, fieldname, oldvalue, newvalue, monitored):
|
|
self.path = path
|
|
self.fieldname = fieldname
|
|
self.oldvalue = oldvalue
|
|
self.newvalue = newvalue
|
|
self.monitored = monitored
|
|
self.related = []
|
|
self.filechanges = None
|
|
|
|
def __str__(self):
|
|
return self._str_internal(True)
|
|
|
|
def _str_internal(self, outer):
|
|
if outer:
|
|
if '/image-files/' in self.path:
|
|
prefix = '%s: ' % self.path.split('/image-files/')[0]
|
|
else:
|
|
prefix = '%s: ' % self.path
|
|
else:
|
|
prefix = ''
|
|
|
|
def pkglist_combine(depver):
|
|
pkglist = []
|
|
for k,v in depver.iteritems():
|
|
if v:
|
|
pkglist.append("%s (%s)" % (k,v))
|
|
else:
|
|
pkglist.append(k)
|
|
return pkglist
|
|
|
|
if self.fieldname in list_fields or self.fieldname in list_order_fields:
|
|
if self.fieldname in ['RPROVIDES', 'RDEPENDS', 'RRECOMMENDS', 'RSUGGESTS', 'RREPLACES', 'RCONFLICTS']:
|
|
(depvera, depverb) = compare_pkg_lists(self.oldvalue, self.newvalue)
|
|
aitems = pkglist_combine(depvera)
|
|
bitems = pkglist_combine(depverb)
|
|
else:
|
|
aitems = self.oldvalue.split()
|
|
bitems = self.newvalue.split()
|
|
removed = list(set(aitems) - set(bitems))
|
|
added = list(set(bitems) - set(aitems))
|
|
|
|
if removed or added:
|
|
if removed and not bitems:
|
|
out = '%s: removed all items "%s"' % (self.fieldname, ' '.join(removed))
|
|
else:
|
|
out = '%s:%s%s' % (self.fieldname, ' removed "%s"' % ' '.join(removed) if removed else '', ' added "%s"' % ' '.join(added) if added else '')
|
|
else:
|
|
out = '%s changed order' % self.fieldname
|
|
elif self.fieldname in numeric_fields:
|
|
aval = int(self.oldvalue or 0)
|
|
bval = int(self.newvalue or 0)
|
|
if aval != 0:
|
|
percentchg = ((bval - aval) / float(aval)) * 100
|
|
else:
|
|
percentchg = 100
|
|
out = '%s changed from %s to %s (%s%d%%)' % (self.fieldname, self.oldvalue or "''", self.newvalue or "''", '+' if percentchg > 0 else '', percentchg)
|
|
elif self.fieldname in defaultval_map:
|
|
out = '%s changed from %s to %s' % (self.fieldname, self.oldvalue, self.newvalue)
|
|
if self.fieldname == 'PKG' and '[default]' in self.newvalue:
|
|
out += ' - may indicate debian renaming failure'
|
|
elif self.fieldname in ['pkg_preinst', 'pkg_postinst', 'pkg_prerm', 'pkg_postrm']:
|
|
if self.oldvalue and self.newvalue:
|
|
out = '%s changed:\n ' % self.fieldname
|
|
elif self.newvalue:
|
|
out = '%s added:\n ' % self.fieldname
|
|
elif self.oldvalue:
|
|
out = '%s cleared:\n ' % self.fieldname
|
|
alines = self.oldvalue.splitlines()
|
|
blines = self.newvalue.splitlines()
|
|
diff = difflib.unified_diff(alines, blines, self.fieldname, self.fieldname, lineterm='')
|
|
out += '\n '.join(list(diff)[2:])
|
|
out += '\n --'
|
|
elif self.fieldname in img_monitor_files or '/image-files/' in self.path:
|
|
fieldname = self.fieldname
|
|
if '/image-files/' in self.path:
|
|
fieldname = os.path.join('/' + self.path.split('/image-files/')[1], self.fieldname)
|
|
out = 'Changes to %s:\n ' % fieldname
|
|
else:
|
|
if outer:
|
|
prefix = 'Changes to %s ' % self.path
|
|
out = '(%s):\n ' % self.fieldname
|
|
if self.filechanges:
|
|
out += '\n '.join(['%s' % i for i in self.filechanges])
|
|
else:
|
|
alines = self.oldvalue.splitlines()
|
|
blines = self.newvalue.splitlines()
|
|
diff = difflib.unified_diff(alines, blines, fieldname, fieldname, lineterm='')
|
|
out += '\n '.join(list(diff))
|
|
out += '\n --'
|
|
else:
|
|
out = '%s changed from "%s" to "%s"' % (self.fieldname, self.oldvalue, self.newvalue)
|
|
|
|
if self.related:
|
|
for chg in self.related:
|
|
if not outer and chg.fieldname in ['PE', 'PV', 'PR']:
|
|
continue
|
|
for line in chg._str_internal(False).splitlines():
|
|
out += '\n * %s' % line
|
|
|
|
return '%s%s' % (prefix, out)
|
|
|
|
class FileChange:
|
|
changetype_add = 'A'
|
|
changetype_remove = 'R'
|
|
changetype_type = 'T'
|
|
changetype_perms = 'P'
|
|
changetype_ownergroup = 'O'
|
|
changetype_link = 'L'
|
|
|
|
def __init__(self, path, changetype, oldvalue = None, newvalue = None):
|
|
self.path = path
|
|
self.changetype = changetype
|
|
self.oldvalue = oldvalue
|
|
self.newvalue = newvalue
|
|
|
|
def _ftype_str(self, ftype):
|
|
if ftype == '-':
|
|
return 'file'
|
|
elif ftype == 'd':
|
|
return 'directory'
|
|
elif ftype == 'l':
|
|
return 'symlink'
|
|
elif ftype == 'c':
|
|
return 'char device'
|
|
elif ftype == 'b':
|
|
return 'block device'
|
|
elif ftype == 'p':
|
|
return 'fifo'
|
|
elif ftype == 's':
|
|
return 'socket'
|
|
else:
|
|
return 'unknown (%s)' % ftype
|
|
|
|
def __str__(self):
|
|
if self.changetype == self.changetype_add:
|
|
return '%s was added' % self.path
|
|
elif self.changetype == self.changetype_remove:
|
|
return '%s was removed' % self.path
|
|
elif self.changetype == self.changetype_type:
|
|
return '%s changed type from %s to %s' % (self.path, self._ftype_str(self.oldvalue), self._ftype_str(self.newvalue))
|
|
elif self.changetype == self.changetype_perms:
|
|
return '%s changed permissions from %s to %s' % (self.path, self.oldvalue, self.newvalue)
|
|
elif self.changetype == self.changetype_ownergroup:
|
|
return '%s changed owner/group from %s to %s' % (self.path, self.oldvalue, self.newvalue)
|
|
elif self.changetype == self.changetype_link:
|
|
return '%s changed symlink target from %s to %s' % (self.path, self.oldvalue, self.newvalue)
|
|
else:
|
|
return '%s changed (unknown)' % self.path
|
|
|
|
|
|
def blob_to_dict(blob):
|
|
alines = blob.data_stream.read().splitlines()
|
|
adict = {}
|
|
for line in alines:
|
|
splitv = [i.strip() for i in line.split('=',1)]
|
|
if len(splitv) > 1:
|
|
adict[splitv[0]] = splitv[1]
|
|
return adict
|
|
|
|
|
|
def file_list_to_dict(lines):
|
|
adict = {}
|
|
for line in lines:
|
|
# Leave the last few fields intact so we handle file names containing spaces
|
|
splitv = line.split(None,4)
|
|
# Grab the path and remove the leading .
|
|
path = splitv[4][1:].strip()
|
|
# Handle symlinks
|
|
if(' -> ' in path):
|
|
target = path.split(' -> ')[1]
|
|
path = path.split(' -> ')[0]
|
|
adict[path] = splitv[0:3] + [target]
|
|
else:
|
|
adict[path] = splitv[0:3]
|
|
return adict
|
|
|
|
|
|
def compare_file_lists(alines, blines):
|
|
adict = file_list_to_dict(alines)
|
|
bdict = file_list_to_dict(blines)
|
|
filechanges = []
|
|
for path, splitv in adict.iteritems():
|
|
newsplitv = bdict.pop(path, None)
|
|
if newsplitv:
|
|
# Check type
|
|
oldvalue = splitv[0][0]
|
|
newvalue = newsplitv[0][0]
|
|
if oldvalue != newvalue:
|
|
filechanges.append(FileChange(path, FileChange.changetype_type, oldvalue, newvalue))
|
|
# Check permissions
|
|
oldvalue = splitv[0][1:]
|
|
newvalue = newsplitv[0][1:]
|
|
if oldvalue != newvalue:
|
|
filechanges.append(FileChange(path, FileChange.changetype_perms, oldvalue, newvalue))
|
|
# Check owner/group
|
|
oldvalue = '%s/%s' % (splitv[1], splitv[2])
|
|
newvalue = '%s/%s' % (newsplitv[1], newsplitv[2])
|
|
if oldvalue != newvalue:
|
|
filechanges.append(FileChange(path, FileChange.changetype_ownergroup, oldvalue, newvalue))
|
|
# Check symlink target
|
|
if newsplitv[0][0] == 'l':
|
|
if len(splitv) > 3:
|
|
oldvalue = splitv[3]
|
|
else:
|
|
oldvalue = None
|
|
newvalue = newsplitv[3]
|
|
if oldvalue != newvalue:
|
|
filechanges.append(FileChange(path, FileChange.changetype_link, oldvalue, newvalue))
|
|
else:
|
|
filechanges.append(FileChange(path, FileChange.changetype_remove))
|
|
|
|
# Whatever is left over has been added
|
|
for path in bdict:
|
|
filechanges.append(FileChange(path, FileChange.changetype_add))
|
|
|
|
return filechanges
|
|
|
|
|
|
def compare_lists(alines, blines):
|
|
removed = list(set(alines) - set(blines))
|
|
added = list(set(blines) - set(alines))
|
|
|
|
filechanges = []
|
|
for pkg in removed:
|
|
filechanges.append(FileChange(pkg, FileChange.changetype_remove))
|
|
for pkg in added:
|
|
filechanges.append(FileChange(pkg, FileChange.changetype_add))
|
|
|
|
return filechanges
|
|
|
|
|
|
def compare_pkg_lists(astr, bstr):
|
|
depvera = bb.utils.explode_dep_versions2(astr)
|
|
depverb = bb.utils.explode_dep_versions2(bstr)
|
|
|
|
# Strip out changes where the version has increased
|
|
remove = []
|
|
for k in depvera:
|
|
if k in depverb:
|
|
dva = depvera[k]
|
|
dvb = depverb[k]
|
|
if dva and dvb and len(dva) == len(dvb):
|
|
# Since length is the same, sort so that prefixes (e.g. >=) will line up
|
|
dva.sort()
|
|
dvb.sort()
|
|
removeit = True
|
|
for dvai, dvbi in zip(dva, dvb):
|
|
if dvai != dvbi:
|
|
aiprefix = dvai.split(' ')[0]
|
|
biprefix = dvbi.split(' ')[0]
|
|
if aiprefix == biprefix and aiprefix in ['>=', '=']:
|
|
if bb.utils.vercmp(bb.utils.split_version(dvai), bb.utils.split_version(dvbi)) > 0:
|
|
removeit = False
|
|
break
|
|
else:
|
|
removeit = False
|
|
break
|
|
if removeit:
|
|
remove.append(k)
|
|
|
|
for k in remove:
|
|
depvera.pop(k)
|
|
depverb.pop(k)
|
|
|
|
return (depvera, depverb)
|
|
|
|
|
|
def compare_dict_blobs(path, ablob, bblob, report_all, report_ver):
|
|
adict = blob_to_dict(ablob)
|
|
bdict = blob_to_dict(bblob)
|
|
|
|
pkgname = os.path.basename(path)
|
|
|
|
defaultvals = {}
|
|
defaultvals['PKG'] = pkgname
|
|
defaultvals['PKGE'] = '0'
|
|
|
|
changes = []
|
|
keys = list(set(adict.keys()) | set(bdict.keys()) | set(defaultval_map.keys()))
|
|
for key in keys:
|
|
astr = adict.get(key, '')
|
|
bstr = bdict.get(key, '')
|
|
if key in ver_monitor_fields:
|
|
monitored = report_ver or astr or bstr
|
|
else:
|
|
monitored = key in monitor_fields
|
|
mapped_key = defaultval_map.get(key, '')
|
|
if mapped_key:
|
|
if not astr:
|
|
astr = '%s [default]' % adict.get(mapped_key, defaultvals.get(key, ''))
|
|
if not bstr:
|
|
bstr = '%s [default]' % bdict.get(mapped_key, defaultvals.get(key, ''))
|
|
|
|
if astr != bstr:
|
|
if (not report_all) and key in numeric_fields:
|
|
aval = int(astr or 0)
|
|
bval = int(bstr or 0)
|
|
if aval != 0:
|
|
percentchg = ((bval - aval) / float(aval)) * 100
|
|
else:
|
|
percentchg = 100
|
|
if abs(percentchg) < monitor_numeric_threshold:
|
|
continue
|
|
elif (not report_all) and key in list_fields:
|
|
if key == "FILELIST" and path.endswith("-dbg") and bstr.strip() != '':
|
|
continue
|
|
if key in ['RPROVIDES', 'RDEPENDS', 'RRECOMMENDS', 'RSUGGESTS', 'RREPLACES', 'RCONFLICTS']:
|
|
(depvera, depverb) = compare_pkg_lists(astr, bstr)
|
|
if depvera == depverb:
|
|
continue
|
|
alist = astr.split()
|
|
alist.sort()
|
|
blist = bstr.split()
|
|
blist.sort()
|
|
# We don't care about the removal of self-dependencies
|
|
if pkgname in alist and not pkgname in blist:
|
|
alist.remove(pkgname)
|
|
if ' '.join(alist) == ' '.join(blist):
|
|
continue
|
|
|
|
chg = ChangeRecord(path, key, astr, bstr, monitored)
|
|
changes.append(chg)
|
|
return changes
|
|
|
|
|
|
def process_changes(repopath, revision1, revision2='HEAD', report_all=False, report_ver=False):
|
|
repo = git.Repo(repopath)
|
|
assert repo.bare == False
|
|
commit = repo.commit(revision1)
|
|
diff = commit.diff(revision2)
|
|
|
|
changes = []
|
|
for d in diff.iter_change_type('M'):
|
|
path = os.path.dirname(d.a_blob.path)
|
|
if path.startswith('packages/'):
|
|
filename = os.path.basename(d.a_blob.path)
|
|
if filename == 'latest':
|
|
changes.extend(compare_dict_blobs(path, d.a_blob, d.b_blob, report_all, report_ver))
|
|
elif filename.startswith('latest.'):
|
|
chg = ChangeRecord(path, filename, d.a_blob.data_stream.read(), d.b_blob.data_stream.read(), True)
|
|
changes.append(chg)
|
|
elif path.startswith('images/'):
|
|
filename = os.path.basename(d.a_blob.path)
|
|
if filename in img_monitor_files:
|
|
if filename == 'files-in-image.txt':
|
|
alines = d.a_blob.data_stream.read().splitlines()
|
|
blines = d.b_blob.data_stream.read().splitlines()
|
|
filechanges = compare_file_lists(alines,blines)
|
|
if filechanges:
|
|
chg = ChangeRecord(path, filename, None, None, True)
|
|
chg.filechanges = filechanges
|
|
changes.append(chg)
|
|
elif filename == 'installed-package-names.txt':
|
|
alines = d.a_blob.data_stream.read().splitlines()
|
|
blines = d.b_blob.data_stream.read().splitlines()
|
|
filechanges = compare_lists(alines,blines)
|
|
if filechanges:
|
|
chg = ChangeRecord(path, filename, None, None, True)
|
|
chg.filechanges = filechanges
|
|
changes.append(chg)
|
|
else:
|
|
chg = ChangeRecord(path, filename, d.a_blob.data_stream.read(), d.b_blob.data_stream.read(), True)
|
|
changes.append(chg)
|
|
elif filename == 'image-info.txt':
|
|
changes.extend(compare_dict_blobs(path, d.a_blob, d.b_blob, report_all))
|
|
elif '/image-files/' in path:
|
|
chg = ChangeRecord(path, filename, d.a_blob.data_stream.read(), d.b_blob.data_stream.read(), True)
|
|
changes.append(chg)
|
|
|
|
# Look for added preinst/postinst/prerm/postrm
|
|
# (without reporting newly added recipes)
|
|
addedpkgs = []
|
|
addedchanges = []
|
|
for d in diff.iter_change_type('A'):
|
|
path = os.path.dirname(d.b_blob.path)
|
|
if path.startswith('packages/'):
|
|
filename = os.path.basename(d.b_blob.path)
|
|
if filename == 'latest':
|
|
addedpkgs.append(path)
|
|
elif filename.startswith('latest.'):
|
|
chg = ChangeRecord(path, filename[7:], '', d.b_blob.data_stream.read(), True)
|
|
addedchanges.append(chg)
|
|
for chg in addedchanges:
|
|
found = False
|
|
for pkg in addedpkgs:
|
|
if chg.path.startswith(pkg):
|
|
found = True
|
|
break
|
|
if not found:
|
|
changes.append(chg)
|
|
|
|
# Look for cleared preinst/postinst/prerm/postrm
|
|
for d in diff.iter_change_type('D'):
|
|
path = os.path.dirname(d.a_blob.path)
|
|
if path.startswith('packages/'):
|
|
filename = os.path.basename(d.a_blob.path)
|
|
if filename != 'latest' and filename.startswith('latest.'):
|
|
chg = ChangeRecord(path, filename[7:], d.a_blob.data_stream.read(), '', True)
|
|
changes.append(chg)
|
|
|
|
# Link related changes
|
|
for chg in changes:
|
|
if chg.monitored:
|
|
for chg2 in changes:
|
|
# (Check dirname in the case of fields from recipe info files)
|
|
if chg.path == chg2.path or os.path.dirname(chg.path) == chg2.path:
|
|
if chg2.fieldname in related_fields.get(chg.fieldname, []):
|
|
chg.related.append(chg2)
|
|
elif chg.path == chg2.path and chg.path.startswith('packages/') and chg2.fieldname in ['PE', 'PV', 'PR']:
|
|
chg.related.append(chg2)
|
|
|
|
if report_all:
|
|
return changes
|
|
else:
|
|
return [chg for chg in changes if chg.monitored]
|