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apt-get download and changelog as well as apt-helper reuse the acquire
system for their own proposes without requiring the directories the
fetcher wants to create, which is a problem if you run them as non-root
and the directories do not exist as it greets you with:
E: Archives directory /var/cache/apt/archives/partial is missing. -
Acquire (13: Permission denied)
Closes: 762898
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Closes: 763033
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Accessing the package records to acquire this information is pretty
costly, so that information wasn't used so far in many places. The most
noticeable user by far is EDSP at the moment, but there are ideas to
change that which this commit tries to enable.
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'unsigned int'
Git-Dch: Ignore
Reported-By: cppcheck
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also defined in its parent class 'pkgSource'
Git-Dch: Ignore
Reported-By: cppcheck
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Git-Dch: Ignore
Reported-By: cppcheck
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unnecessary.
Git-Dch: Ignore
Reported-By: cppcheck
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apt can work with both, so it has an or-dependency on them,
but the tests want to play with both of them.
Git-Dch: Ignore
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The original patch does not apply against the rewritten apt-key,
but an additional test doesn't hurt.
Closes: 754436
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Adding and deleting many repositories could cause (empty) keyring files
to pill up in older apt-key versions, which in the end might cause gnupg
to run into its internal limit of at most 40 keyrings
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gnupg/gnupg2 can do verify just fine of course, so we don't need to use
gpgv here, but it is what we always used in the past, so there might be
scripts expecting a certain output and more importantly the output of
apt-cdrom contains messages from gpg and even with all the settings we
activate to prevent it, it still shows (in some versions) a quiet scary:
"gpg: WARNING: Using untrusted key!" message. Keeping the use of gpgv is
the simplest way to prevent it.
We are increasing also the "Breaks: apt" version from libapt as it
requires a newer apt-key than might be installed in partial upgrades.
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Git-Dch: Ignore
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Some advanced commands can be executed without the keyring being
modified like --verify, so this adds an option to disable the mergeback
and uses it for our gpg calling code.
Git-Dch: Ignore
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We were down to at most two keyrings before, but gnupg upstream plans
dropping support for multiple keyrings in the longrun, so with a
single keyring we hope to be future proof – and 'apt-key adv' isn't a
problem anymore as every change to the keys is merged back, so we have
now the same behavior as before, but support an unlimited amount of
trusted.gpg.d keyrings.
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For some advanced usecases it might be handy to specify the secret
keyring to be used (e.g. as it is used in the testcases), but specifying
it via a normal option for gnupg might not be available forever:
http://lists.gnupg.org/pipermail/gnupg-users/2013-August/047180.html
Git-Dch: Ignore
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beside testing apt-key a bit it also avoids duplicating gpghome setup
code in apt-key and the test framework
Git-Dch: Ignore
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Git-Dch: Ignore
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If both are available APT will still prefer gpg over gpg2 as it is a bit
more lightweight, but it shouldn't be a problem to use one or the other
(at least at the moment, who knows what will happen in the future).
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'apt-key help' and incorrect usage do not need a functioning gnupg
setup, as well as we shouldn't try to setup gnupg before we actually
test if it is available (and print a message if it is not).
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Git-Dch: Ignore
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apt-key does the keyring merge as we need it, so we just call it instead
of reimplementing it to do the merging before gpgv. This means we don't
use gpgv anymore (we never depended on it explicitly - bad style), but
it also means that the message in apt-cdrom add is a bit less friendly
as it says loudly "untrusted key", but for a one-time command its okay.
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gnupg has a hardlimit of 40 (at the moment) keyrings per invocation,
which can be exceeded with (many) repositories. That is rather
misfortune as the longrun goal was to drop gnupg dependency at some
point in the future, but this can now be considered missed and dropped.
It also means that 'apt-key adv' commands might not have the behaviour
one would expect it to have as it mainly operates on a big temporary
keyring, so commands modifying keys will break. Doing this was never a
good idea anyway through, so lets just hope nothing break too badly.
Closes: 733028
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Git-Dch: Ignore
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Git-Dch: Ignore
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It helps in identifying its affiliation.
Also removes the old postinst which was hidden by apt.postinst for a
long time now and would just install a sources.list in edgecases which
is probably not a good idea (e.g. on my system /etc/apt/sources.list
does not exist). It is better done by the installer of the distro.
Git-Dch: Ignore
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Git-Dch: Ignore
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Reported-By: gcc -Wpedantic
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Reported-By: cppcheck
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Reported-By: codespell
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Git-Dch: Ignore
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A lot of code deals with iterating over packages and checking for
specific states. At the moment these are all handcrafted inplace, but
that makes sharing common code which just differs in the states it
checks rather difficult and is error prune. Having an API to construct
arbitrary complex filters will come in handy for those.
Git-Dch: Ignore
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The methods itself deal with the helper a lot, so it makes sense to move
them to the helper itself, which helps also if we want to override some
of these methods, the FromString mentioned in the bugreport being the
obvious example.
VCI is spared from this change for now as while it would fit with the
same reasoning it much heavier entangled with the previous
CacheSetHelper change, so moving it now would mean breaking the API.
The PCI change is worthwhile on its own though as it is used by VCI.
Closes: 686221
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Git-Dch: Ignore
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The introduction of Fnmatch showed that each new selector would require
multiple new virtual methods in the CacheSetHelper to work correctly,
which isn't that great. We now flip to a single virtual method which
handles all cases separated by an enum – as new enum values can be added
without an ABI break.
Great care was taken to make old code work with the new way of organisation,
which means in return that you might be bombarded with deprecation
warnings now if you don't adapt, but code should still compile and work
as before as can be seen in apt itself with this commit.
Git-Dch: Ignore
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The comment above their definition marks them already as such, so this
is only a formalisation of the deprecation and fixes the occurances we
have in our own code together with removing a magic number.
Git-Dch: Ignore
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Previously, we had a start and a done of the calculation printed by
higher-level code, but this got intermixed by progress reporting from an
external solver or the output of autoremove code…
The higherlevel code is now only responsible for instantiating a
progress object of its choosing (if it wants progress after all) and the
rest will be handled by the upgrade code. Either it is used to show the
progress of the external solver or the internal solver will give some
hints about its overall progress. The later isn't really a proper
progress as it will jump forward after each substep, but that is at
least a bit better than before without any progress indication.
Fixes also the 'strange' non-display of this progress line in -q=1, while
all others are shown, which is reflected by all testcase changes.
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Turns out that version numbers aren't as random as you might guess.
In my cache for example, I have:
Total package names: 69513 (1390 k)
Total package structures: 188259 (9036 k)
Total distinct versions: 186345 (13.4 M)
Total dependencies: 2052242 (57.5 M)
which amounts to 1035873 (10,1 M) strings.
Reusing version strings reduces this to 161465 (3.479 k).
This comes at a cost of course: Generation is slightly slower, but we
are still faster than what we started with and it makes room (also cache
size wise) for further changes.
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Strings like Section names or architectures are needed vary often.
Instead of writing them each time we need them, we deploy sharing for
these special strings. Until now, this was done with a linked list of
strings in which we would search, which was stored in the cache.
It turns out we can do this just as well in memory as well with a bunch
of std::map's.
In memory means here that it isn't available anymore if we have a partly
invalid cache, but that isn't much of a problem in practice as the
status file is compared to the other files we parse very small and includes
mostly duplicates, so the space we would gain by storing is more or less
equal to the size of the stored linked list…
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So far, only the few strings stored in stringitems were counted, but
many more strings are directly inserted into the cache. We account for
this now by identifying all these different strings and measure their
length. We are still not at the correct size of the cache in 'stats'
this way, but we are now again a bit closer.
Git-Dch: Ignore
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Commit aa0fe657e46b87cc692895a36df12e8b74bb27bb sorts the package names
in the hashtable. We make use of this already in these functions, but as
a minor sideeffect it also means that we don't have 'noise' anymore
between packages belonging to the same group. We therefore don't need to
check for a matching name in Grp.FindPkg anymore.
Git-Dch: Ignore
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Package names have to be lowercase (debian-policy §5.6.1) and in as
lowlevel as these method are it would be quiet strange to treat an
invalid package "suddently" as a valid one which other tools might or
might not accept. If case-insensitivity is really needed the frontend
should ensure this rather than these methods waste cpu cycles by
default.
Git-Dch: Ignore
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