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The default buffer size for pkgTagFile is 32kb which should be big
enough for everything… expect for enormous lists of provides,
resulting in:
$ apt show librust-winapi-dev
E: Unable to parse package file /var/lib/apt/lists/ftp.br.debian.org_debian_dists_unstable_main_binary-amd64_Packages (2)
E: Internal Error, Unable to parse a package record
The "apt-cache show" codepath uses instead a max size for all files,
which seems a bit excessive, but works – using the max size for the file
in question seems most appropriate.
The patch is written for the 1.6.y series as a rewrite of the related
code in the 1.7.y series (commit bf53f39c9a0221b670ffff74053ed36fc502d5a0)
removed this problem before it was reported.
Closes: #905527
LP: #1787120
(cherry picked from commit 409ceec9ed30cbebd8ece1ef7ce667ab5a32f9df)
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The update command acquires a lock on lists/, but at the end it will
also require the dpkg/lock while building the binary caches. That seems
rather pointless as we are only reading those files, not causing writing
in them. This can also cause problems if a package installation is
running and a background process (like cron) starts an update: If you
are "lucky" enough the update process will pick the dpkg lock in between
apt calls causing the installation process to fail.
(cherry picked from commit 0d9081598afa051409b03dbdbe5025cd7ce59ba4)
(cherry picked from commit b234a610a3818af69952bf85c389588a99b4349f)
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We get the archives/lock for clean – that is enough to ensure that other
apt instances aren't interfering (or are being interfered with). We
don't need to block actions involving dpkg.
(cherry picked from commit 22acd327ac39ffe3bb14b3e1f2d1f21761de13ca)
(cherry picked from commit e3f9554224c59e1201d00716ef7d7ec046f79f5d)
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Unlikely that anyone is actually running into this, but if we asked to
not generate a cache and avoid it in the first step we shouldn't create
one implicitly anyway by displaying the statistics.
(cherry picked from commit 33f982b90a4f77be18cb82daf8c79e9c5513761c)
(cherry picked from commit 1d017d04c5fdbf71a35e8f154f01bc94305ad798)
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Again no practical difference, but for consistency a boolean option
should really be accessed via a boolean method rather than an int
especially if you happen to try setting the option to "true" …
Gbp-Dch: Ignore
(cherry picked from commit c15ba854b6736696f164e4d2c243a944e2d4006e)
(cherry picked from commit c0dc26456ba74da449eae11c04c3edb3b5f1e35e)
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That was the case already for tar-only and diff-only, but in a more
confusing way and without a message while dsc "worked" before resulting
in a dpkg-source error shortly after as tar/diff files aren't available…
(cherry picked from commit 58ebb3017baf46e33a9bb2c1779d6daede27d108)
(cherry picked from commit ab951bc3184d62d9bf9a94187468329e53ac0d0a)
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In effect this is an extension of the 6 years old commit
a8dfff90aa740889eb99d00fde5d70908d9fd88a which uses the autoremover to
remove packages again from the solution which are no longer needed to be
there. Commonly these are dependencies of packages we end up not
installed due to problem resolver decisions. Slightly less common is
the situation we deal with here: a package which we wanted to upgrade
sporting a new dependency, but ended up holding back.
The problem is that all versions of an installed reverse dependencies can
bring back a "garbage" package – we need to do this as there is
nothing inherently wrong in having garbage packages installed or upgrade
them, which itself would have garbage dependencies, so just blindly
killing all new garbage packages would prevent the upgrade (and actually
generate errors). What we should be doing is looking only at the version
we will have on the system, disregarding all old/new reverse dependencies.
Reported-By: Stuart Prescott (themill) on IRC
(cherry picked from commit 952171787a0b865c17d5c9476e272106383ae93a)
(cherry picked from commit 72ea04411b08bb9f25febdc4b4ca8d7b26206f2d)
(modified for 1.2.y by adjusting sections in test case)
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Followup of b58e2c7c56b1416a343e81f9f80cb1f02c128e25.
Still a regression of sorts of 8b79c94af7f7cf2e5e5342294bc6e5a908cacabf.
Closes: 832044
(cherry picked from commit 7303e11ff28f920a6277c159aa46f80c007350bb)
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I probably missed that when I did the usability work. But better
late than never.
(cherry picked from commit 75d238ba66576c04f257e9d7c0a6995721f1441d)
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The old prettyprinters have only access to the struct they pretty print,
which isn't enough usually as we want to know for a package also a bit
of state information like which version is the candidate.
We therefore need to pull the DepCache into context and hence use a
temporary struct which is printed instead of the iterator itself.
(cherry picked from commit 84573326f41dd09b914b8374548e7ee7c93d0439)
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If apt decides it can't download a file it is relatively pointless to
try to tell dpkg-source to unpack it.
(cherry picked from commit 60a0cb424e91acebc2bba0f9add220b474e432e6)
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Setting the C++ locale via std::locale::global(std::locale("")); which
would otherwise default to the default C locale (aka: unaffected by
setlocale) effects the formatting of numeric types in IO streams, which
for output for humans is perfectly sensible, but breaks our many text
interfaces used and parsed by us and others without expecting the
numbers to be formatted.
Closes: #825396
(cherry picked from commit b58e2c7c56b1416a343e81f9f80cb1f02c128e25)
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The report mentions "apt list --upgradable", but there are others which
have inconsistent behavior ranging from segfaulting to doing something
with the partial (and hence incomplete) data. We had a recent report
about sources.list (#818628), this one mentions prefences, the obvious
next step is conf files… so the testcase is adapted to check for all
three in file and directory versions and run a bunch of commands each
time which should all have more or less the same behavior in such a case
(aka error out).
Closes: 824503
(cherry picked from commit fdf9eef4d96a18d0167708499c993e1174251e88)
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In a249b3e6fd798935a02b769149c9791a6fa6ef16 I dropped with the manual
first resolver step also the support for installing build-deps as
automatic in such a way that it behaved like this option was enabled by
default.
Restoring support for it means that we go back to mark build-
dependencies as manually installed again by default and provide this
option to keep them as automatically installed.
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If pkgAcqChangelog is told to acquire the changelog for a version it
will check first if this version is installed on the disk and if so will
use the local changelog in /usr/share/doc (possibily/likely gz
compressed) instead of downloading the file from the web.
An option is provided to disable this, which is enabled by default for
the Ubuntu vendor as they truncate the local changelogs – and for apts
--print-uris action.
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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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