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diff -up yum-3.4.3/yum/yumRepo.py.orig yum-3.4.3/yum/yumRepo.py
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--- yum-3.4.3/yum/yumRepo.py.orig 2017-03-10 14:16:36.769105433 +0100
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+++ yum-3.4.3/yum/yumRepo.py 2017-03-10 14:16:39.457093071 +0100
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@@ -358,6 +358,7 @@ class YumRepository(Repository, config.R
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# holder for stuff we've grabbed
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self.retrieved = { 'primary':0, 'filelists':0, 'other':0, 'group':0,
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'updateinfo':0, 'prestodelta':0}
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+ self._preloaded_repomd = False
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# callbacks
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self.callback = None # for the grabber
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@@ -743,7 +744,8 @@ class YumRepository(Repository, config.R
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# if we're using a cachedir that's not the system one, copy over these
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# basic items from the system one
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- self._preload_md_from_system_cache('repomd.xml')
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+ if self._preload_md_from_system_cache('repomd.xml'):
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+ self._preloaded_repomd = True
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self._preload_md_from_system_cache('cachecookie')
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self._preload_md_from_system_cache('mirrorlist.txt')
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self._preload_md_from_system_cache('metalink.xml')
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@@ -1829,6 +1831,12 @@ Insufficient space in download directory
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# got it, move along
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return local
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+ # Having preloaded the repomd means we should first try preloading this
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+ # file as well (forcing it this way is only needed when dealing with
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+ # simple filenames).
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+ if self._preloaded_repomd:
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+ misc.unlink_f(local)
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+
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if (os.path.exists(local) or
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self._preload_md_from_system_cache(os.path.basename(local))):
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if self._checkMD(local, mdtype, check_can_fail=True):
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@@ -1844,6 +1852,20 @@ Insufficient space in download directory
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msg = "Caching enabled but no local cache of %s from %s" % (local, self.ui_id)
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raise Errors.RepoError, msg
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+ # Given the file already exists, is it a partial download of thisdata
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+ # that we can try to reget? With unique filenames, that's always.
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+ # With simple filenames, use the old expected checksum to verify
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+ # (assuming the existing file or part represents the old data but it
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+ # usually does).
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+ partial = True
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+ orepomd = self._oldRepoMDData.get('old_repo_XML')
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+ if orepomd is not None:
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+ odata = orepomd.repoData.get(mdtype)
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+ if odata is not None:
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+ ofname = os.path.basename(odata.location[1])
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+ partial = (fname != ofname or
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+ thisdata.checksum == odata.checksum)
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+
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try:
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def checkfunc(obj):
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try:
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@@ -1856,7 +1878,7 @@ Insufficient space in download directory
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raise
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self.retrieved[mdtype] = 1
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text = "%s/%s" % (self.ui_id, mdtype)
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- if thisdata.size is None:
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+ if thisdata.size is None or not partial:
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reget = None
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else:
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reget = 'simple'
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