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Regression introduced in a249b3e6fd798935a02b769149c9791a6fa6ef16, which
in the case of an invalid cache would build the first part unlocked and
later pick up the (still unlocked) cache for further processing, so the
system got never locked and apt would end up complaining about being
unable to release the lock at shutdown.
The far more common case of having a valid cache worked as expected and
hence covered up the problem – especially as tests who would have
noticed it are simulations only, which do not lock.
Closes: 814139
Reported-By: Balint Reczey <balint@balintreczey.hu>
Reported-By: Helmut Grohne <helmut@subdivi.de> on IRC
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We don't need the dependencies for obvious reasons and we don't need the
candidate version either, so building a pkgDepCache is wasted effort,
which we can stop doing now that build-dep cleared the path.
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The later just calls the earlier, but the later needs the fullblown
dependency cache to be initialized, which is a very costly operation and
isn't done anymore that early in the run as we would need to throw away
and rebuild it again after we got all the information about source pkgs.
As we end up with a nullptr for the pkgDepCache, we use a slightly
longer calling convention to make sure that we use the pkgCache
directly, avoiding nullptr induced segfaults and costly operations.
Git-Dch: Ignore
Reported-By: Balint Reczey <balint@balintreczey.hu>
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It's a fairly expensive call and it's called on every package,
even though it's usually only used when we're interested in
a small number of packages.
Long description is currently only shown by this function
when using `apt search X --full`.
On my PC, this patch speeds up `apt list` by roughly 20%
and `apt list --installed` by 1-2%.
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In 321213f0dcdcdaab04e01663e7a047b261400c9c Andreas Cadhalpun corrected
the incorrect overriding of earlier better-fitting results with later
(semi-)matches – but that broke the case in which packages are in multiple
releases in the same version (and the user has both releases configured).
Closes: 812497
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build-dep was implemented by parsing the build-dependencies of a package
and figuring out which packages to install/remove based on this. That
means that for the first level of dependencies build-dep was
implementing its very own resolver with all the benefits (aka: bugs)
this gives us for not using the existing resolver for all levels.
Making this work involves generating a dummy binary package with fitting
Depends and Conflicts and as we can't create them out of thin air the
cache generation needs to be involved so we end up writing a Packages
file which we want to parse – after we have parsed the other Packages
files already. With .dsc/.deb files we could add them before we started
parsing anything.
With a bit of care we can avoid generating too much data we have to
throw away again (as many parts assume that e.g. the count of packages
doesn't change midair), so that on a speed front there shouldn't be
much of a difference, but output can be slightly confusing as if we have
a completely valid cache on disk the "Reading package lists... Done" is
printed two times – but apt is pretty quick about it in that case.
Closes: #137560, #444930, #489911, #583914, #728317, #812173
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Git-Dch: Ignore
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Git-Dch: Ignore
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Closes: #734922
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Gbp-Dch: ignore
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Fix reproducibility issue due to readdir() order by sorting
the list of sources to be built and linked.
[jak@debian.org: Added summary and fixed typo]
Closes: #810509
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If a package has no description, we would crash in search. While
this should not happen, there seem to be some weird cases where
it does.
A safer way might be to make the whole parser thing safe
against this, so pkgRecords::Lookup(Desc.FileList()) works
and returns a parser where all values are empty. This would
also fix all other instances of this bug, if there are any.
Closes: #810622
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This allows passing compressing the output. The compressor must
be a compressor name, extension, or an extension without the
leading dot.
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This option controls if downloaded packages should be kept after
a successful install or if they should be deleted. The default
for "apt-get" is that they are kept (just like before).
However the default for "apt" is that they get deleted.
Closes: #160743
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Git-Dch: Ignore
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We try to acquired the locks, but we didn't stop if we failed to get it…
Closes: 808561
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Trying to clean up directories which do not exist seems rather silly if
you think about it, so let apt think about it and stop it.
Depends a bit on the caller if this is fixing anything for them as they
might try to acquire a lock or doing other clever things as apt does.
Closes: 807477
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Otherwise a user is subject to unexpected content-injection depending on
which directory she happens to start apt in. This also cleans up the code
requiring less implementation details in build-dep which is always good.
Technically, this is an ABI break as we override virtual methods, but
that they weren't overridden was a mistake resulting in pure classes,
which shouldn't be pure, so they were unusable – and as they are new in
1.1 nobody is using them yet (and hopefully ever as they are borderline
implementation details).
Closes: 806693
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There is no need to check configured build-essentials for each package,
doing it once at the start ought to be enough.
Git-Dch: Ignore
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Lets do this non-behaviour change before we modify the source for real
as the reflow and moving would otherwise hide all the interesting changes.
Git-Dch: Ignore
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Git-Dch: Ignore
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Git-Dch: Ignore
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The relevant testcases are in test/integration/test-apt-get-source.
There is a test for #731853 that is supposed to "ensure that apt will
pick the higher version number" of 0.0.1 (stable) and 0.1 (stable).
However, this works by pure chance, as simply reversing the order
of the two insertsource lines makes the test fail.
So #731853 isn't really fixed, yet.
Actually, that's related to the problem I reported, as the underlying
issue for both is the same:
In the FindSrc function apt chooses a new 'best hit', if either
* there is a target release and it matches the release of the package,
* or the version of the package is higher than the last best hit.
Consider having 1.0 (stable), 2.0 (unstable) and 1.5 (unstable),
in this order.
Looking for the version in stable, apt first selects 1.0, because the
release matches the target release, but then subsequently selects 2.0,
because the version is higher.
Looking for the version in unstable, apt first selects 2.0, because the
release matches the target release, but then subsequently selects 1.5,
because the release also matches the target release.
The correct way would be to choose a new 'best hit', if either
* there is a target release and it matches the release of the package,
* or there is no target release
and the version is higher than the last best hit.
Closes: 746412
Mail-Reference: <565A604B.7090104@googlemail.com>
Mail-Archive: https://lists.debian.org/debian-devel/2015/11/msg00470.html
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Passing function pointers around while working on this was very icky,
but if weak symbols are too much to ask for…
Reverts "do not use "-Wl,-Bsymbolic-functions" during the build to avoid
breakage" aka a5fc9be36211a290a7abc3ca2a8bf98943bc1f57.
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This reverts commit 7ac9386cb6e272625490fcf3e8183b45e28bbc43.
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This reverts commit 28f24d3dad1844af316337d565ba2ebc11c8ce97.
This fails on Ubuntu as they build with -Bsymbolic-functions.
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Closes: #806422
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We do not show the architecture as a dedicated field as this is rather
technical information, but as packagename it makes sense to show the
architecture as other part of apt will refer to it in this way.
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Reported-By: cppcheck
Git-Dch: Ignore
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Continueing on the track of dropping privileges in all methods, lets
drop it in copy, too, as the reasoning for it is very similar to file
and the interaction between the too quiet interesting as copy kinda
surfed as a fallback for file not being able to read the file. Both now
show a better error message as well as it was previously claiming to
have a hashsum mismatch, given that it couldn't read the file.
Git-Dch: Ignore
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Unlinking /dev/null is bad, we shouldn't do that. Also, we should print
at least a warning if we tried to unlink a file but didn't manage to
pull it of (ignoring the case were the file is /dev/null or doesn't
exist in the first place).
This got triggered by a relatively unlikely to cause problem in
pkgAcquire::Worker::PrepareFiles which would while temporary
uncompressed files (which are set to keep compressed) figure out that to
files are the same and prepare for sharing by deleting them. Bad move.
That also shows why not printing a warning is a bad idea as this hide
the error for in non-root test runs.
Git-Dch: Ignore
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This was discussed a while ago on #debian-apt and now that I see myself
making this mistake lets bite the bullet and fix it in the easy way out
version: Using a new name which fits with a similar named setter and
deprecate the old method instead of 'hostily' changing API.
Closes: #803471
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The general idea is: A small paragraph on the tool itself as a
description, a list of the most used (!= all) commands available in the
tool, a remark where to find more information on the tool and its
commands (aka: in the manpage) and finally a common block referring to
even more manpages. In exchange options are completely omitted from the
output as well as deprecated or obscure commands. (Better) Information
about them is available in the manpages anyway and the few options which
were listed before were also the least interesting ones (-o -c -q and co
are hardly of interest for someone totally new looking to find info by
asking for help and anyone with a bit of experience doesn't need this
short list. Those would need a list of options applying to the command
they call, but they are too numerous and command specific to list them
sanely in this context.
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We can't for compatibility reasons in apt-cache, but apt can.
Closes: 218995
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apt is supposed to be a user-friendly interface, so while these commands
are usually poweruser material and therefore do not need to be shown in
general introduction manpages/help messages its of no use to not allow
users to use them.
This includes clean, autoclean, build-dep, source, download, changelog,
depends, rdepends and showsrc – it doesn't include more non-interactive
commands like dump or xvcg as those are usually used by scripts if at
all.
Closes: 778234, 780700, 781237
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Git-Dch: Ignore
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Its not as simple as I initially thought to abstract this enough to make
it globally usable, so lets not pollute global namespace with this for
now.
Git-Dch: Ignore
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This ensures that location strings loaded from a location specified via
configuration (Dir::Locale) effect the help messages for commands.
Git-Dch: Ignore
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-q is for logging and -qqq (old -qq) basically kills every output expect
errors, so there should be a way of declaring a middleground in which
the output of e.g. 'update' isn't as verbose, but still shows some
things. The test framework was actually making use of by accident as it
ignored the quiet level in output setup for apt before.
Eventually we should figure out some better quiet levels for all tools…
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All mains pretty much do the same thing, so lets try a little harder to
move the common parts into -private to have the real differences more
visible.
Git-Dch: Ignore
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That is one huge commit with busy work only: Help messages used to be
one big translateable string, which is a pain for translators and hard
to reuse for us. This change there 'explodes' this single string into
new string for each documented string trying hard to split up the
translated messages as well. This actually restores many translations as
previously adding a single command made all of the bug message fuzzy.
The splitup also highlighted that its easy to forget a line, duplicate
one and similar stuff.
Git-Dch: Ignore
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apt is an interactive command and the reasons we haven't this option set
for everything is mostly in keeping compatibility for a little while
longer to allow scripts to be changed if need be.
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Git-Dch: Ignore
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The show commands have different styles in both binaries as the audience
is potentially very different, but that doesn't mean we need to separate
the implementation especially as they are slightly similar. This also
allows us to switch between the different show versions at runtime via
an option.
Git-Dch: Ignore
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Especially with apt now, it can be useful to set an option only for apt
and not for apt-get. Using a binary-specific subtree which is merged into
the root seems like a simple enough trick to achieve this.
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The bugreport is more conservative in asking for a conditional, but
given that this is a message intended to be read by users to be run by
users we should suggest using a command intended to be used by users.
And while we are at, add sudo to the message – conditional of course.
Closes: 801571
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The main part is refactoring through to allow hiding the magic needed to
support .deb files in deeper layers of libapt so that frontends have
less exposure to Debian specific classes like debDebPkgFileIndex.
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As we have support for 'hold', we need support for undoing a hold which
in effect means that we implemented most other states as well, just that
they weren't exposed in the interface directly so far.
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This makes things much easier to use
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Our error reporting is historically grown into some kind of mess.
A while ago I implemented stacking for the global error which is used in
this commit now to wrap calls to functions which do not report (all)
errors via return, so that only failures in those calls cause a failure
to propergate down the chain rather than failing if anything
(potentially totally unrelated) has failed at some point in the past.
This way we can avoid stopping the entire acquire process just because a
single source produced an error for example. It also means that after
the acquire process the cache is generated – even if the acquire
process had failures – as we still have the old good data around we can and
should generate a cache for (again).
There are probably more instances of this hiding, but all these looked
like the easiest to work with and fix with reasonable (aka net-positive)
effects.
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