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dpkg -l < 1.16.2 loads the available file and hence sees a package which
later versions do not see, leading to failures on travis-ci.
The different versions also have slightly different messages.
Git-Dch: Ignore
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If the pin for a generic pin is 0, it get a value by strange looking
rules, if the pin is specific the rules are at least not strange, but
the value 989 is a magic number without any direct meaning… but both
never happens in practice as the parsing skips such entries with a
warning, so there always is a priority != 0 and the code therefore never
used.
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The documentation says this, but the code only agreed while evaluating
specific packages, but not generics. These needed a pin above 1000 to
have the same effect.
The code causing this makes references to a 'second pesduo status file',
but nowhere is explained what this might stand for and/or what it was,
so we do the only reasonable thing: Remove all references and do as
documented.
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Git-Dch: Ignore
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Especially pdiff-enhanced downloads have the tendency to fail for
various reasons from which we can recover and even a successful download
used to leave the old unpatched index in partial/.
By adding a new method responsible for making the transaction of an
individual file happen we can at specialisations especially for abort
cases to deal with the cleanup.
This also helps in keeping the compressed indexes around if another
index failed instead of keeping the decompressed files, which we
wouldn't pick up in the next call.
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Conflicts:
apt-pkg/acquire-item.cc
cmdline/apt-key.in
methods/https.cc
test/integration/test-apt-key
test/integration/test-multiarch-foreign
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The sibling of this message are all guarded as debug messages, just this
one had it missing an subsequently causes display issues if triggered.
Git-Dch: Ignore
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If we get a IMSHit for the Transaction-Manager (= the InRelease file or
as its still supported fallback Release + Release.gpg combo) we can
assume that every file we would queue based on this manager, but already
have locally is current and hence would get an IMSHit, too. We therefore
save us and the server the trouble and skip the queuing in this case.
Beside speeding up repetative executions of 'apt-get update' this way we
also avoid hitting hashsum errors if the indexes are in fact already
updated, but the Release file isn't yet as it is the case on well
behaving mirrors as Release files is updated last.
The implementation is a bit harder than the theory makes it sound as we
still have to keep reverifying the Release files (e.g. to detect now expired
once to avoid an attacker being able to silently stale us) and have to
handle cases in which the Release file hits, but some indexes aren't
present (e.g. user added a new foreign architecture).
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Calculating the final name of an item which it will have after
everything is done and verified successfully is suprisingly complicated
as while they all follow a simple pattern, the URI and where it is
stored varies between the items.
With some (abibreaking) redesign we can abstract this similar to how it
is already down for the partial file location.
Git-Dch: Ignore
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Checking Valid-Until on an unsigned Release file doesn't give us any
security brownie points as an attacker could just change the date and in
practice repositories with unsigned Release files will very likely not
have a Valid-Until date, but for symetry and the fact that being
unsigned is currently just a warning, while expired is a fatal error.
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Its a bit unpredictable which permissons and owners we will encounter on
a CD-ROM (or a USB stick, as apt-cdrom is responsible for those too),
so we have to ensure in this codepath as well that everything is nicely
setup without waiting for a 'apt-get update' to fix up the (potential)
mess.
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We do this in HTTP already to give the CPU some exercise while the disk
is heavily spinning (or flashing?) to store the data avoiding the need
to reread the entire file again later on to calculate the hashes – which
happens outside of the eyes of progress reporting, so you might ended up
with a bunch of https workers 'stuck' at 100% while they were busy
calculating hashes.
This is a bummer for everyone using apt as a connection speedtest as the
https method works slower now (not really, it just isn't reporting done
too early anymore).
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Closes: 782122
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Methods get told which hashes are expected by the acquire system, which
means we can use this list to restrict what we calculate in the methods
as any extra we are calculating is wasted effort as we can't compare it
with anything anyway.
Adding support for a new hash algorithm is therefore 'free' now and if a
algorithm is no longer provided in a repository for a file, we
automatically stop calculating it.
In practice this results in a speed-up in Debian as we don't have SHA512
here (so far), so we practically stop calculating it.
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Git-Dch: Ignore
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Upstream claims its faster if combined with an optimizing compiler and
I can confirm that in some tests, so lets see how it works out in
practice.
Git-Dch: Ignore
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Servers who advertise that they close the connection get the 'Closes'
encoding flag, but this conflicts with servers who response with a
transfer-encoding (e.g. encoding) as it is saved in the same flag.
We have a better flag for the keep-alive (or not) of the connection
anyway, so we check this instead of the encoding.
This is in practice not much of a problem as real servers we talk to are
HTTP1.1 servers (with keep-alive) and there isn't much point in doing
chunked encoding if you are going to close anyway, but our simple
testserver stumbles over this if pressed and its a bit cleaner, too.
Git-Dch: Ignore
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file sends information about the uncompressed file if it can find it as
well as for the compressed file. This was done only for gzip so far, but
we support more compression types. That this information isn't used a
lot is a different story.
Git-Dch: Ignore
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Git-Dch: Ignore
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The worker expects that the methods tell him when they start or finish
downloading a file. Various information pieces are passed along in this
report including the (expected) filesize. https was using a "global"
struct for reporting which made it 'reuse' incorrect values in some
cases like a non-existent InRelease fallbacking to Release{,.gpg}
resulting in a size-mismatch warning. Reducing the scope and redesigning
the setting of the values we can fix this and related issues.
Closes: 777565, 781509
Thanks: Robert Edmonds and Anders Kaseorg for initial patchs
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It might be quite interesting which file (content) made curl freak out
and other methods keep the file around as well.
Git-Dch: Ignore
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We just need it for unit tests and our debian/rules file actually skips
calling them if nocheck is given… but this fails anyhow as we declared a
hard-dependency on it. Demoting the error to a warning in configuration
and adding a test in the 'make test' path with a friendly message allows
nocheck to be useful again.
(Running unit tests is fully encouraged of course, but bootstrappers and
co do not need to be burdened with this stuff)
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On single-arch the parsing was creating groupnames like 'apt:amd64' even
through it should be 'apt' and a package in it belonging to architecture
amd64. The result for foreign architectures was as expected: The
dependency isn't satisfiable, but for native architecture it means the
wrong package (ala apt:amd64:amd64) is linked so this is also not
satisfiable, which is very much not expected.
No longer excluding single-arch from this codepath allows the generation
of the correct links, which still link to non-exisiting packages for
foreign dependencies, but natives link to the expected native package
just as if no architecture was given.
For negative arch-specific dependencies ala Conflicts this matter was
worse as apt will believe there isn't a Conflict to resolve, tricking it
into calculating a solution dpkg will refuse.
Architecture specific positive dependencies are rare in jessie – the
only one in amd64 main is foreign –, negative dependencies do not even
exist. Neither class has a native specimen, so no package in jessie is
effected by this bug, but it might be interesting for stretch upgrades.
This also means the regression potential is very low.
Closes: 777760
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In #780028 we were discussing how the or-group order should be more
important than keep-back decisions of 'upgrade'. We have this behaviour,
but to ensure it stays this way lets add a test for it.
Git-Dch: Ignore
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This isn't testing much of the 'complex' parts,
but its better than nothing for now.
Git-Dch: Ignore
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Working with strings c-style is complicated and error-prune,
so by converting to c++ style we gain some simplicity and
avoid buffer overflows by later extensions.
Git-Dch: Ignore
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gnupg is case-insensitive about keyids, so back then apt-key called it
directly any keyid was accepted, but now that we work more with the
keyid ourself we regressed to require uppercase keyids by accident.
This is also inconsistent with other apt-key commands which still use
gnupg directly. A single case-insensitive grep and we are fine again.
Closes: 781696
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g++-5 generates a slightly broken libapt which doesn't split
architecture configurations correctly resulting in e.g. Packages files
requested for the bogus architecture 'amd64,i386' instead of for amd64
and i386.
The reason is an incorrectly applied attribute marking the function as
const, while functions with pointer arguments are not allowed to be
declared as such (note that char& is a char* in disguise). Demoting the
attribute to pure fixes this issue – better would be dropping the & from
char but that is an API change…
Neither earlier g++ versions nor clang use this attribute to generate
broken code, so we don't need a rebuild of dependencies or anything and
g++-5 isn't even included in jessie, but the effect is so strange and
apt popular enough to consider avoiding this problem anyhow.
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libapt can be configured to write various bits of information to a file
creating a report via apport. This is disabled by default in Debian and
apport residing only in /experimental so far, but Ubuntu and other
derivatives have this (in some versions) enabled by default and there is
no regression potentially here.
The crash is caused by a mismatch of operations vs. strings for
operations, so adding the missing strings for these operations solves
the problem.
[commit message by David Kalnischkies]
LP: #1436626
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In /experimental this is resolved by deprecating Mode and moving to a
new std::string, but that breaks ABI of course, so that was out of
question. We can't change to a malloc/free style c-string either as
Mode is public and hence a library user could be setting this as well.
std::string implementors actually helped us out here with copy-on-write
which means that while the variable "obviously" runs out of scope here,
in reality you get the correct result as the string we work with here
comes from the configuration in which it is still valid. Such a
dependency on magic is bad of course, but its still interesting that
only python3 seems to have an issue with it…
With some silly explicit if-else assigning we can sidestep this issue
while retaining the same output for 99.99% of all users (= noone
actually configures additional compression algorithms which are also
provided by repositories…), but even for these 0.01% its just a small
change in the display as Mode can not be used for anything else.
Example: apt/aptitude uses it in its 'update' implementations in the
one-line progress at the bottom for specific items.
Closes: 781858
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The worker expects that the methods tell him when they start or finish
downloading a file. Various information pieces are passed along in this report
including the (expected) filesize. https is using a "global" struct for
reporting which made it 'reuse' incorrect values in some cases like a
non-existent InRelease fallbacking to Release{,.gpg} resulting in an incorrect
size-mismatch warning scaring and desensitizing users as well as being subject
to a race between the write_data and progress callbacks generating incorrect
progress reporting and potentially the same error message.
Other branches as well as the bugreports contain 'better' fixes making the
struct local and other sensible changes, but are larger as a result, so in
this version we opted for short diff with minimal effect above else instead.
Closes: 777565, 781509
Thanks: Robert Edmonds and Anders Kaseorg for initial patchs
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You would think one instance of this is enough, but
80e8d923ebc8d5f3f84eb3f922b28ca309c25026 wasn't as
globally applied as the commit message suggested…
LP: #1399037
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As part of the “reproducible builds” effort [1], we have noticed that
apt could not be built reproducibly.
One issue is that it uses the __DATE__ and __TIME__ macros of the C
preprocessor to display the time of build in the online help. We believe
this information not to be really useful to users as they can always
look at the package data and metadata to figure it out.
The attached patch simply removes this information. All
non-documentation packages can then be built reproducibly with our
current experimental framework.
[David: changed the string slightly to be untranslateable as well]
Closes: 774342
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Closes: 776702
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We use test{success,failure} now all over the place in the framework, so
its only consequencial to do this in the situations in which we test for
a specific output as well.
Git-Dch: Ignore
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The underlying problem is that libapt-pkg does not correctly parse these
provides. Internally, it creates a version named "baz:i386" with
architecture amd64. Of course, such a package name is invalid and thus
this version is completely inaccessible. Thus, this bug should not cause
apt to accept a broken situation as valid. Nevertheless, it prevents
using architecture qualified depends.
Closes: 777071
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This way the 'correct' version is carried over into the po files to
reflect which version they were built for rather than the version before
the current one.
Git-Dch: Ignore
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cppcheck reports this error, its not really a problem for us as the API
can actually deal with it via implicit conversion, but being explicit
can't hurt and the less reported errors the better.
Git-Dch: Ignore
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Git-Dch: Ignore
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Implementing FileName() works for most cases for us, but other
frontends might need more and even for us its not very stable as
the normal Jump() implementation is pretty bad on a deb file and
produce errors on its own at times.
So, replacing this makeshift with a complete implementation by
mostly just shuffling code around.
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You would think one instance of this is enough, but
80e8d923ebc8d5f3f84eb3f922b28ca309c25026 wasn't as
globally applied as the commit message suggested…
LP: #1399037
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Bug #778375 uncovered that https wasn't properly integrated in the class
family tree of http as it was supposed to be leading to a NULL pointer
dereference. Fixing this 'properly' was deemed to much diff for
practically no gain that late in the release, so commit
0c2dc43d4fe1d026650b5e2920a021557f9534a6 just fixed the synptom, while
this commit here is fixing the cause plus adding a test.
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We are able to run maintainer scripts if needed before, but we need to
set ADMINDIR to be able to call dpkg tools like dpkg-trigger inside of
them.
Git-Dch: Ignore
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Do not crash in ServerState::HeaderLine if there is no Owner.
Closes: #778375
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Commit 9ec748ff103840c4c65471ca00d3b72984131ce4 from Feb 23 last year
adds a version check after 8daf68e366fa9fa2794ae667f51562663856237c
added 8 days earlier negative points for breaks/conflicts with the
intended that only dependencies which are satisfied propagate points
(aka: old conflicts do not).
The implementation was needlessly complex and flawed through preventing
positive dependencies from gaining points like they did before these
commits making library transitions harder instead of simpler. It worked
out anyhow most of the time out of pure 'luck' (and other ways of
gaining points) or got miss attributed to being a temporary hick-up.
Closes: 774924
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