108 lines
3.3 KiB
Python
108 lines
3.3 KiB
Python
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# vim:sw=4:et
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#############################################################################
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# File : DuplicatesCheck.py
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# Package : rpmlint
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# Author : Stephan Kulow
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# Purpose : Check for duplicate files being packaged separately
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#############################################################################
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from Filter import *
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import AbstractCheck
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import rpm
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import re
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import commands
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import stat
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import Config
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import os
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import string
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def get_prefix(file):
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pathlist = string.split(file, '/')
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if len(pathlist) == 3:
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return "/".join(pathlist[0:2])
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return "/".join(pathlist[0:3])
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class DuplicatesCheck(AbstractCheck.AbstractCheck):
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def __init__(self):
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self.map = []
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AbstractCheck.AbstractCheck.__init__(self, "DuplicatesCheck")
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def check(self, pkg):
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if pkg.isSource():
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return
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md5s = {}
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sizes = {}
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files = pkg.files()
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configFiles = pkg.configFiles()
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for f in files:
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if f in pkg.ghostFiles():
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continue
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enreg = files[f]
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mode = enreg[0]
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links = enreg[3]
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size = enreg[4]
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md5 = enreg[5]
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rdev = enreg[7]
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if not stat.S_ISREG(mode):
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continue
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md5s.setdefault(md5, set()).add(f)
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sizes[md5] = size
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#print f, links, size, md5, rdev
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sum=0
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for f in md5s:
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duplicates=md5s[f]
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if len(duplicates) == 1: continue
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one=duplicates.pop()
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one_is_config = False
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if one in configFiles:
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one_is_config = True
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partition=get_prefix(one)
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st = os.stat(pkg.dirName() + '/' + one)
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diff = 1 + len(duplicates) - st[stat.ST_NLINK]
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if diff <= 0:
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for dupe in duplicates:
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if partition != get_prefix(dupe):
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printError(pkg,"hardlink-across-partition",one,dupe)
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if one_is_config and dupe in configFiles:
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printError(pkg,"hardlink-across-config-files",one,dupe)
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continue
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for dupe in duplicates:
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if partition != get_prefix(dupe):
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diff = diff - 1
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sum += sizes[f] * diff
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if sizes[f] and diff > 0:
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printWarning(pkg, 'files-duplicate', one,":".join(duplicates))
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if sum > 100000:
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printError(pkg, 'files-duplicated-waste', sum)
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check=DuplicatesCheck()
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if Config.info:
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addDetails(
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'files-duplicated-waste',
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"""Your package contains duplicated files that are not hard- or symlinks.
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You should use the %fdupes macro to link the files to one.""",
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'hardlink-across-partition',
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"""Your package contains two files that are apparently hardlinked and
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that are likely on different partitions. Installation of such an RPM will fail
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due to RPM being unable to unpack the hardlink. do not hardlink across
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the first two levels of a path, e.g. between /srv/ftp and /srv/www or
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/etc and /usr. """,
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'hardlink-across-config-files',
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"""Your package contains two config files that are apparently hardlinked.
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Hardlinking a config file is probably not what you want. Please double
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check and report false positives."""
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)
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