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2015-08-28implement PDiff patching for compressed filesDavid Kalnischkies
Some additional files like 'Contents' are very big and should therefore kept compressed on the disk, which apt-file did in the past. It also implemented pdiff patching of these files by un- and recompressing these files on-the-fly, with this commit we can do the same – but we can do this in both pdiff patching styles (client and server merging) and secured by hashes. Hashes are in so far slightly complicated as we can't compare the hashes of the compressed files as we might compress them differently than the server would (different compressor versions, options, …), so we must compare the hashes of the uncompressed content. While this commit has changes in public headers, the classes it changes are marked as hidden, so nobody can use them directly, which means the ABI break is internal only.
2015-08-27sources.list and indextargets option for pdiffsDavid Kalnischkies
Disabling pdiffs can be useful occasionally, like if you have a fast local mirror where the download doesn't matter, but still want to use it for non-local mirrors. Also, some users might prefer it to only use it for very big indextargets like Contents.
2015-08-27Do not parse Status fields from remote sourcesJulian Andres Klode
This could allow an attacker to mark a package as installed in a remote package index, as long as the package was not listed in the dpkg status file. This way, an attacker could force the installation of a package during a dist-upgrade, by providing two packages in an index, an older marked as installed, and a newer - apt would "upgrade" to the newer version.
2015-08-27Merge branch 'feature/extractar-filefd' into debian/experimentalJulian Andres Klode
2015-08-27Always close compressed files in FileFdJulian Andres Klode
We dup() the file descriptor when opening compressed files, so we always need to close the dup()ed one. Furthermore, not unsetting the d-pointer causes issues when running OpenDescriptor() multiple times on the same file descriptor.
2015-08-27cacheset: Prefer the depcache over the policy againJulian Andres Klode
By preferring the policy over the depcache, we ignore any changes we made in the depcache, which makes it impossible for code to change the candidate used here. This basically reverts commit 2fbfb111312257fa5fc29b0c2ed386fb712f960e: prefer the Policy if it is built instead of the DepCache and if DepCache is not available as fallback built the Policy But it also cleans the code up a bit, by removing one level of nesting.
2015-08-27allow explicit dis/enable of IndexTargets in sources optionsDavid Kalnischkies
While Target{,-Add,-Remove} is available for configuring IndexTargets already, allow Targets to be mentioned explicitely as yes/no options as well, so that the Target 'Contents' can be disabled via 'Contents: no' as well as 'Target-Remove: Contents'.
2015-08-27not all targets are deb-src targetsDavid Kalnischkies
Sometimes too much refactoring can have bad effects. Thanks: Niels Thykier for reporting on IRC Git-Dch: Ignore
2015-08-27use always priv-dropping for changelog download as rootDavid Kalnischkies
First of, the temporary directory we download the changelog to needs to be owned by _apt, but that also means that we don't need to check if we could/should drop privs as the download happens to a dedicated tempdir and only after that it is moved to its final location by a privileged user.
2015-08-27fix various typos reported by codespellDavid Kalnischkies
Reported-By: codespell
2015-08-27ignore AllowMem parameter in cache generationDavid Kalnischkies
The parameter name suggests that it should forbid the building of the entire cache in memory, but this isn't how it was previously and as AllowMem is false by default it actually prevents previous usecases from working like being root and configuring apt to build no caches at all. This should be fixed at some point to actually work, but that is hard to pull off as it means switching the default and some callers (including apt itself) actually did call it explicitly with false in certain cases for no apparent reason (at least now where it is common to have enough memory to throw at every problem and even if not is a slow apt usally better than an apt erroring out). Closes: 796459
2015-08-27correct 'apt update' download summary lineDavid Kalnischkies
Fetched() was reported for mostly nothing, while we should be calling it for files worked with from non-local sources (e.g. http, but not file or xz). Previously this was called from an acquire item, but got moved to the acquire worker instead to avoid having it (re)implemented in all items, but the checks were faulty.
2015-08-27just-in-time removal of broken essential packagesDavid Kalnischkies
We deal with Conflicts in SmartUnpack in pretty much the same way, but Breaks weren't handled in SmartConfigure so that the remove was sheduled after the configuration of the package breaking the to-be-removed. Closes: 796070
2015-08-27Fix more instances of missing remapping handlingJulian Andres Klode
After fixing Bug#796999, we noticed that there were some more instances of iterators which had no associated Dynamic object, causing them to not be updated when the cache was remapped. This happened in two places: In NewPackage() and in NewProvidesAllArch(). Gbp-Dch: ignore
2015-08-27pkgcachegen: Account for remapping when parsing depends from NewPackageJulian Andres Klode
In both the Ver and Dep variables, we need to account for remapping, as otherwise we would still reference the old bug. Reproduction environment: * An i386 system with amd64 foreign architecture * A sources.list with deb http://snapshot.debian.org/archive/debian/20150826T102846Z/ unstable main deb http://snapshot.debian.org/archive/debian/20150826T102846Z/ experimental main Thanks: Jakub Wilk for the bug report and the backtraces Closes: #796999
2015-08-20Re-indent GetCandidateVerNew() and make ConsiderFiles argument explicitJulian Andres Klode
Gbp-Dch: ignore
2015-08-20Merge remote-tracking branch 'mvo/feature/srv-records' into debian/experimentalMichael Vogt
2015-08-20Add basic (non weight adjusted) shuffling for SrvRecords selectionMichael Vogt
Also add "Debug::Acquire::SrvRecs" debug option and the option "Acquire::EnableSrvRecods" to allow disabling this lookup.
2015-08-19Support tabs in sources.list filesJulian Andres Klode
Also support vertical tabs, as isspace() does the same. Closes: #796067
2015-08-18apt-pkg/contrib/srvrec.cc: res_query() should not generate a _error->Warning()Michael Vogt
2015-08-18cleanupMichael Vogt
2015-08-18Merge remote-tracking branch 'upstream/debian/experimental' into ↵Michael Vogt
feature/srv-records
2015-08-18Merge branch 'debian/experimental' into feature/srv-recordsMichael Vogt
Conflicts: cmdline/apt-helper.cc cmdline/makefile
2015-08-17Re-add support for G++ 4.8 and configure travis to use itJulian Andres Klode
This makes tests work again! Gbp-Dch: ignore
2015-08-17Really fix all iwyu issuesMichael Vogt
Git-Dch: ignore
2015-08-17Fix all the wrong removals of includes that iwyu got wrongMichael Vogt
Git-Dch: ignore
2015-08-17Cleanup includes after running iwyuMichael Vogt
2015-08-16Make pkgCache::Priority() static, it does not need the instanceJulian Andres Klode
It still compiles after the change, so just merge it. Closes: #448627
2015-08-16Use terminfo's typical save_cursor/restore_cursor sequencesJames McCoy
Not all terminals understand DOS' escape sequences for save/restore cursor, so use the more typical sequences from terminfo. Closes: #772521 Signed-off-by: James McCoy <jamessan@debian.org>
2015-08-15Add GetPriority(VerIterator) to pkgDepCache::PolicyJulian Andres Klode
Also unify the case of considerFiles and ConsiderFiles to be ConsiderFiles in all cases. Gbp-Dch: ignore
2015-08-15cachefile.cc: Do not ignore return value of pkgDepCache::Init()Julian Andres Klode
Currently, this always returns true, but it might start returning false at some point in the future... Gbp-Dch: ignore
2015-08-14Also add 'in combination with the other options.' to another errorJulian Andres Klode
Gbp-Dch: ignore
2015-08-14Set Acquire::Changelogs::URI::Origin::Tanglu for Tanglu changelogsJulian Andres Klode
2015-08-14Make apt compile with clang++ againMichael Vogt
This allows us to run the clang static analyzer and to run the testsuite with the clang MemorySanitizer.
2015-08-14Say "in combination with the other options" if an option is not understoodJulian Andres Klode
Closes: #762758
2015-08-14Merge branch 'debian/experimental' of https://github.com/DonKult/apt into ↵Julian Andres Klode
debian/experimental
2015-08-13Use setresuid() and setresgid() where availableJulian Andres Klode
2015-08-13Deprecate SPtrArray<T> and convert everyone to unique_ptr<T[]>Julian Andres Klode
More standardization
2015-08-13Mark SPtr as deprecated, and convert users to std::unique_ptrJulian Andres Klode
Switch to std::unique_ptr, as this is safer than SPtr.
2015-08-13C++11: Switch from auto_ptr to unique_ptrJulian Andres Klode
This is nicer
2015-08-12Drop the Section field from pkgCache::Package againJulian Andres Klode
This somehow got back, we don't really know why. Emulate the Section() method in the PkgIterator by looking at the section of the head of the VersionList.
2015-08-12policy: Be more strict about parsing pin files, and document prio 0Julian Andres Klode
Treat invalid pin priorities and overflows as an error. Closes: #429912
2015-08-12Only make Upgradable() return true for packages with a candidateJulian Andres Klode
If there is no candidate, the package should not be considered upgradeable. LP: #896689
2015-08-12Add a parameter ConsiderFiles to GetPriority(VerIterator)Julian Andres Klode
This allows us to exclude files from being considered for the priority, so it will return only specific-version matches.
2015-08-12Do not set unhonored DPKG_NO_TSTP variable for dpkgGuillem Jover
Support for that variable was removed in dpkg in 1.15.6, in commit 6f037003e8b96878b485efb7cbd1f846e3bf4e97. Closes: #765366
2015-08-12Replace all "press enter" occurrences with "press [Enter]"Luca Bruno
Thanks: Andre Felipe Machado for initial patch Closes: 414848
2015-08-11Annotate more methods with APT_OVERRIDEJulian Andres Klode
Gbp-Dch: ignore Reported-By: g++ -Wsuggest-override Thanks: g++ -Wsuggest-override
2015-08-11ExecFork: Use /proc/self/fd to determine which files to closeJulian Andres Klode
This significantly reduces the number of files that have to be closed and seems to be faster, despite the additional reads. On systems where /proc/self/fd is not available, we fallback to the old code that closes all file descriptors >= 3. Closes: #764204
2015-08-11Make QItem a subclass of DescItemJulian Andres Klode
CurrentItem previously was a DescItem, so let's make QItem a DescItem to not break things.
2015-08-11Re-introduce None as a deprecated alias for NoJulian Andres Klode
Gbp-Dch: ignore