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The syntax of "Source" is different in EDSP compared to the the field of
the same name in 'the rest' of Debian, so documented this accordingly
and send the version as a new field.
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How the Multi-Arch field and pkg:<arch> dependencies interact was
discussed at DebConf15 in the "MultiArch BoF". dpkg and apt (among other
tools like dose) had a different interpretation in certain scenarios
which we resolved by agreeing on dpkg view – and this commit realizes
this agreement in code.
As was the case so far libapt sticks to the idea of trying to hide
MultiArch as much as possible from individual frontends and instead
translates it to good old SingleArch. There are certainly situations
which can be improved in frontends if they know that MultiArch is upon
them, but these are improvements – not necessary changes needed
to unbreak a frontend.
The implementation idea is simple: If we parse a dependency on foo:amd64
the dependency is formed on a package 'foo:amd64' of arch 'any'. This
package is provided by package 'foo' of arch 'amd64', but not by 'foo'
of arch 'i386'. Both of those foo packages provide each other through
(assuming foo is M-A:foreign) to allow a dependency on 'foo' to be
satisfied by either foo of amd64 or i386. Packages can also declare to
provide 'foo:amd64' which is translated to providing 'foo:amd64:any' as
well.
This indirection over provides was chosen as the alternative would be to
teach dependency resolvers how to deal with architecture specific
dependencies – which violates the design idea of avoiding resolver
changes, especially as architecture-specific dependencies are a
cornercase with quite a few subtil rules. Handling it all over versioned
provides as we already did for M-A in general seems much simpler as it
just works for them.
This switch to :any has actually a "surprising" benefit as well: Even
frontends showing a package name via .Name() [which doesn't show the
architecture] will display the "architecture" for dependencies in which
it was explicitely requested, while we will not show the 'strange' :any
arch in FullName(true) [= pretty-print] either. Before you had to
specialcase these and by default you wouldn't get these details shown.
The only identifiable disadvantage is that this complicates error
reporting and handling. apt-get's ShowBroken has existing problems with
virtual packages [it just shows the name without any reason], so that
has to be worked on eventually. The other case is that detecting if a
package is completely unknown or if it was at least referenced somewhere
needs to acount for this "split" – not that it makes a practical
difference which error is shown… but its one of the improvements
possible.
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Git-Dch: Ignore
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We parse all architectures we encounter recently, which means we also
parse packages from architectures which are neither native nor foreign,
but still came onto the system somehow (usually via heavy force).
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Previously we had python:any:amd64, python:any:i386, … in the cache and
the dependencies of an amd64 package would be on python:any:amd64, of an
i386 on python:any:i386 and so on. That seems like a relatively
pointless endeavor given that they will all be provided by the same
packages and therefore also a waste of space.
Git-Dch: Ignore
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Git-Dch: Ignore
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Git-Dch: Ignore
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"apt-ftparchive release" will create the by-hash files if
this mode is enabled. This maybe unexpected by existing users
so make it a opt-in.
Git-Dch: ignore
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Git-Dch: ignore
Brown-paperbag: yes
Thanks: Donkult
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This option is enabled via the APT::FTPArchive::DoByHash switch.
It will also honor the option APT::FTPArchive::By-Hash-Keep that
controls how many previous generation of by-hash files should be
kept (defaults to 3).
Merged from https://github.com/mvo5/apt/tree/feature/apt-ftparchive-by-hash
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Git-Dch: Ignore
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We want to declare some hashes as not enough for security, so that a
user will need --allow-unauthenticated or similar to get data secured
only by those hashes, but we can still us these hashes for integrity
checks if we got them.
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The md5sum hash is broken since some time and we should no longer
consider it a usable hash. Also update the tests to reflect this.
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Various smaller improvements so that the check deals better with already
downloaded files, relative paths and other things.
Git-Dch: Ignore
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testsuccess checks the return code, but it does also some autotests
based on the command like grepping for dpkg warnings in a apt-get
install call – but if this finds something it is just showing the grep
command. With this change it will additionally show the first msgtest
which in this case will detail the actual apt-get install call.
Git-Dch: Ignore
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Not-quiet output is very verbose and with our growing array of tests
generates many many lines which e.g. kills the log display in travis-ci
and obscures failures and uncatched output in a wall of details.
The -q mode fixed this by callapsing passed tests to a single P and now
with some rework we can even get failures properly displayed with the
message from msgtest.
Git-Dch: Ignore
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Git-Dch: Ignore
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The file method was already slowed down and somehow I thought I had done
the same for http, but it turns out that I didn't. Giving it the same
delay as file should help in making this test slower and therefore more
likely to successfully test what it is supposed to test.
Git-Dch: Ignore
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We had a very similar method previously for our own private usage, but
with some generalisation we can move this check into the acquire system
proper so that all frontends profit from this compatibility change.
As we are disabling a security feature here a warning is issued and
frontends are advised to consider reworking their download logic if
possible.
Note that this is implemented as an all or nothing situation: We can't
just (not) drop privileges for a subset of the files in a fetcher, so in
case you have to download some files with and some without you need to
use two fetchers.
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Multiple targets downloading the same file is bad™ as it leads us to all
sorts of problems like the acquire system breaking or simply a problem
of which settings to use for them. Beside that this is most likely a
mistake and silently ignoring it doesn't help the user realizing his
mistake…
On the other hand, we have 'duplicates' which are 'created' by how we
create indextargets, so we have to prevent those from being created to
but do not emit a warning for them as this is an implementation detail.
And then, there is the absolute and most likely user mistake: Having the
same target(s) activated in multiple entries.
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xz has pretty much won "the compressor war" and e.g. the Debian archive
doesn't even distribute bz2 anymore in favor of 'xz' and 'gz', so by
changing the default order we have a more realistic --print-uris
behavior as it will always show the first compressor.
In practice this effects repositories without a Release file (very bad,
we don't want to support them anymore anyhow) as xz will be tried before
bz2 now [which is probably not available, but so might be bz2…] AND
repositories which provide both, bz2 and xz (which isn't too common) in
sofar as apt will now download xz instead of bz2.
Users with special needs can stick with bz2 as first compressor tried
with Acquire::CompressionTypes::Order:: "bz2"; (see man apt.conf) – but
users with special needs usually prefer "gz" anyhow, so the realworld
change is expected to be very low.
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Some targets like Contents-udeb are special-needs targets. Shipping the
configuration snippet for them is okay, but they shouldn't be downloaded
by default. Forcing the user to enable targets by uncommenting targets
is wrong and this would still not really solve the problem completely as
even if you want to download some -udebs it will probably not be for all
sources you have enabled, so having the possibility of disabling a
target by default, but giving the user the option to enable it on a
per-source entry basis is better.
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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.
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Gbp-Dch: ignore
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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.
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This ensures that we can install .deb files that are not the
candidate for a given package.
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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'.
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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.
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Reported-By: codespell
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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
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Git-Dch: Ignore
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Git-Dch: Ignore
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Also support vertical tabs, as isspace() does the same.
Closes: #796067
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Thanks: Steve Slangasek for the suggestion
Closes: 695633
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Gbp-Dch: ignore
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Gbp-Dch: ignore
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Gbp-Dch: ignore
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This enables more fine grained control over such exceptions.
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debian/experimental
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Gbp-Dch: ignore
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This should make them work again.
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Thanks: Andre Felipe Machado for initial patch
Closes: 414848
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The rest of the initial patch is not needed or incorrect in our usage.
Big changes for the dselect scripts seem unneeded as well as those are
hardly used by anyone anymore…
[commit message written by commiter]
Closes: 255577
Thanks: David Weinehall for initial patch
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This makes travis-ci able to run our tests again.
Sometimes.
If it doesn't spontaneously fails with internal gcc errors…
Git-Dch: Ignore
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oldlibs used to be in APT::Never-MarkAuto-Sections so that old
transition packages can be removed without causing the then
(autoinstalled) renamed package to be autoremoved. It isn't ideal
through as ideally you want the oldlibs package to be removed after
nothing depends on it anymore regardless of if you have once installed
it by hand or not – and if you had the package talking over (the
dependencies) should carry the manual bit now as they are the real deal
now.
As an added bonus if the package has no dependencies because it is an
oldlibs without a direct replacement you should move away from (like
lib1 and lib2 are currently in the archive, but there will hopefully
only be lib2 in the release) you get a lib1 marked as auto.
If the user still needs the oldlibs package for some reason all he has
to do is mark it as manual once as this move is only performed if a
installed package changes its section from a not-Move-Autobit-Sections
to a Move-Autobit-Sections.
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Having the handling in MarkInstall means that it just effects
installation of the metapackage, but if the dependencies change the new
dependencies aren't protected (and the old dependencies are still
protected for no 'reason'). Having it in MarkDelete means that if a
metapackage is sheduled for removal all its currently installed
dependencies are marked as manual, which helps against both as in this
case there is no new/old and additionally if a user decides the
installation of a metapackage was wrong he can just remove it
explicitely avoid the manual marking entirely.
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Git-Dch: Ignore
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In 50ef3344c3afaaf9943142906b2f976a0337d264 (and similar for other
branches), while 'fixing' the edgecase of a package being in multiple
sections (e.g. moved from libs to oldlibs in newer releases) I
accidently broke the feature itself completely by operating on the
package itself and no longer on its dependencies…
The behaviour isn't ideal in multiple ways, which we are hopefully able
to fix with new ideas as mentioned in the buglog, but until then the
functionality of this "hack" should be restored.
Reported-By: Raphaël Hertzog <hertzog@debian.org>
Tested-By: Adam Conrad <adconrad@ubuntu.com>
Closes: 793360
LP: 1479207
Thanks: Raphaël Hertzog and Adam Conrad for detailed reports and initial patches
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I never understood why there is an extra newline in those messages, so
now is as good time as any to drop them. Lets see if someone complains
with a good reason to keep it…
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Reporting errors from Done() is bad for progress reporting and such, so
factoring this out is a good idea and we start with moving the supposed-
to-be clearsigned file isn't clearsigned out first – improving the error
message in the process as we use the same message for a similar case
(NODATA) as this is what I have to look at with the venue wifi at
DebCamp and the old errormessage doesn't really say anything.
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