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When apt-cache search with many args (> 130) is given the allocation
of PatternMatch on the stack may fail resulting in a segmentation
fault. By using the heap the max size is much bigger and we also
get a bad_alloc expection instead of a segfault (which we can catch
*if* this ever becomes a pratical problem). No test for the crash
as its not reproducable with the MALLOC_ settings in framework.
Closes: 759612
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Closes: 742835
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Git-Dch: Ignore
Reported-By: gcc -Wsuggest-attribute={pure,const,noreturn}
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Beside being a bit cleaner it hopefully also resolves oddball problems
I have with high levels of parallel jobs.
Git-Dch: Ignore
Reported-By: iwyu (include-what-you-use)
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Reported-By: gcc -Wunused-parameter
Git-Dch: Ignore
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Git-Dch: Ignore
Reported-By: gcc -Wmissing-declarations
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Reported-By: gcc
Git-Dch: Ignore
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experimental
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Using the static FileFd::Write method gives us error messages for free
so we use it here to avoid failing silently (with a fail silent error).
Git-Dch: Ignore
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Beside the earlier fixed 'apt-cache show', 'showpkg' and 'search' deal
with descriptions. 'showpkg' was fixed by fixing the cache generation
for 'show', but 'search' still segfaulted.
On the upside, it doesn't segfault any longer, on the downside, if a
package has no description at all (aka: not in the Packages file and not
in a Translation-* file) the package can't be found with 'search', even
if we search only by name. That is a shortcoming in the code, but fixing
it means rewriting it completely for dubious gain at best.
So this commit just skips packages without a description and is done.
Closes: 647590
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Given a Packages file like:
[…]
Description: foo bar baz
moo moo moo
Multi-Arch: foreign
Description-md5: 97e204a9f4ad8c681dbd54ec7c505251
[…]
We have to display the Multi-Arch flag field as well as the fields
after the Description-md5, but not this field itself, as we already
have one printed alongside the Description we display.
Closes: 717254
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do not blindly assume that all packages stanzas have a "Description:"
field in 'apt-cache show' as well as in the cache creation itself.
We instead assume now that if the stanza has a Description, it will not
be the first field as we look out for "\nDescription" to take care of
MD5sum as well as (maybe ignored) translated Descriptions embedded in
the package stanza.
Closes: #712435
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Patterns can appear in the name as well as in the description,
they don't have to match all in the name/description only.
Closes: 691453
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Git-Dch: Ignore
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- print versioned dependency relations in (r)depends if the option
APT::Cache::ShowVersion is true (default: false) as discussed in
#218995 to help debian-cd fixing #687949. Thanks to Sam Lidder
for initial patch and Steve McIntyre for nagging and testing!
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to the more standard PACKAGE_VERSION and make it work in every file
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- correct --pre-depends option by using dash consistently (LP: #940837)
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to search for compressed silbings of the given filename and use this guessing
instead of hardcoding Gzip compression
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* cmdline/apt-{get,cache,mark}.cc:
- use Lists instead of Sets if input order should be preserved for
commands accepting lists of packages, e.g. policy (Closes: #625960)
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- make the cachesets real containers which can embedding any container
to be able to use the same interface regardless of set or list usage
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done on the mirco-optimazation level, so lets fix them:
(performance) Possible inefficient checking for emptiness.
(performance) Prefer prefix ++/-- operators for non-primitive types.
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for the three different dependencies
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- deprecate mostly undocumented 'markauto' in favor of 'apt-mark'
* cmdline/apt-cache.cc:
- deprecate mostly undocumented 'showauto' in favor of 'apt-mark'
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Niels Thykier, thanks! (Closes: #622805)
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Multi-Arch; instead, Arch: all packages only satisfy dependencies for
the native arch, except where the Arch: all package is declared
Multi-Arch: foreign. (Closes: #613584)
This has the sideeffect that arch:all packages internally show up as
coming from the native arch - so packages with the architecture "all"
doesn't exist any longer in the pkgcache
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- remove not implemented 'apt-cache add' command
* doc/apt-cache.8.xml:
- describe reality as apt-cache just queries and doesn't manipulate
the caches. Thanks to Enrico Zini for spotting it! (Closes: #612009)
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if packages could not found (LP: #647045)
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- use the TranslatedDescription for searching and not the first
available one as it is maybe not an expected language (Closes: #597925)
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*
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* cmdline/apt-cache.cc:
- use Notice instead of Error in the CacheSetHelper messages
for compat reasons. Otherwise tools like sbuild blow up
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- share the (r)depends code instead of codecopy
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alternative in the apt-cache (r)depends commands
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- move them back to the library as they look stable now
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- be able to omit dependency types in (r)depends (Closes: #319006)
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* debian/rules:
- Make DEB_BUILD_OPTIONS=noopt actually work by passing the right
CXXFLAGS.
* apt-pkg/contrib/fileutl.{h,cc}:
- Add support for reading of gzipped files with the new "ReadOnlyGzip"
OpenMode. (Closes: #188407)
- Link against zlib (in apt-pkg/makefile) and add zlib build dependency.
- [ABI BREAK] This adds a new private member to FileFd, but its
initialization is in the public header file.
* configure.in:
- Check for zlib library and headers.
* apt-pkg/acquire-item.cc, apt-pkg/deb/debindexfile.cc,
apt-pkg/deb/debrecords.cc, apt-pkg/deb/debsrcrecords.h,
cmdline/apt-cache.cc:
- Open Packages, Sources, and Translations indexes in "ReadOnlyGzip" mode.
* apt-pkg/deb/debindexfile.cc:
- If we do not find uncompressed package/source/translation indexes, look
for gzip compressed ones.
* apt-pkg/acquire-item.cc:
- If the Acquire::GzipIndexes option is true and we download a gzipped
index file, keep it as it is (and rename to .gz) instead of
uncompressing it.
* doc/apt.conf.5.xml:
- Document the new Acquire::GzipIndexes option.
* doc/po/apt-doc.pot, doc/po/de.po:
- German translation of new Acquire::GzipIndexes option.
* Add test/test-indexes.sh:
- Test behaviour of index retrieval and usage, in particular with
uncompressed and gzip compressed indexes.
* methods/gzip.cc: With FileFd now being able to read gzipped files, there
is no need for the gzip method any more to spawn an external gzip process.
Rewrite it to use FileFd directly, which makes the code a lot simpler, and
also using less memory and overhead.
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expects the compressed contents to stay (such as the copy backend, or when using file:// repositories. Instead, introduce a new ReadOnlyGzip mode and use that where needed
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- use the cachsets in the install commands
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to get all the funky features in less lines
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application to be really generic.
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