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Theoretically it should be enough to change the Dir setting and have apt
pick the dpkg/status file from that. Also, it should be consistently
effected by RootDir. Both wasn't really the case through, so a user had
to explicitly set it too (or ignore it and have or not have expected
sideeffects caused by it).
This commit tries to guess better the location of the dpkg/status file
by setting dir::state::status to a naive "../dpkg/status", just that
this setting would be interpreted as relative to the CWD and not
relative to the dir::state directory. Also, the status file isn't really
relative to the state files apt has in /var/lib/apt/ as evident if we
consider that apt/ could be a symlink to someplace else and "../dpkg"
not effected by it, so what we do here is an explicit replace on apt/
– similar to how we create directories if it ends in apt/ – with dpkg/.
As this is a change it has the potential to cause regressions in so far
as the dpkg/status file of the "host" system is no longer used if you
set a "chroot" system via the Dir setting – but that tends to be
intended and causes people to painfully figure out that they had to set
this explicitly before, so that it now works more in terms of how the
other Dir settings work (aka "as expected"). If using the host status
file is really intended it is in fact easier to set this explicitely
compared to setting the new "magic" location explicitely.
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Very unlikely, but if the parent is /dev/null, the child empty and the
grandchild a value we returned /dev/null/value which doesn't exist, so
hardly a problem, but for best operability we should be consistent in
our work and return /dev/null always.
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Most tests are either multiarch, do not care for the specific
architecture or do not interact with dpkg, so really effect by this is
only test-external-installation-planner-protocol, but its a general
issue that while APT can be told to treat any architecture as native
dpkg has the native architecture hardcoded so if we run tests we must
make sure that dpkg knows about the architecture we will treat as
"native" in apt as otherwise dpkg will refuse to install packages from
such an architecture.
This reverts f883d2c3675eae2700e4cd1532c1a236cae69a4e as it complicates
the test slightly for no practical gain after the generic fix.
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Hardcoding amd64 broke the tests.
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Yes, we might still add new features to 1.3 or break some more
stuff. Stay tuned!
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The setup didn't prepare the directories as expected by newer version of
tthe external tests in an autopkgtests environment.
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Added in dpkg in commit 90324cfa942ba23d5d44b28b1087fbd510340502.
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Escape "+" in kernel package names when generating APT::NeverAutoRemove
list so it is not treated as a regular expression meta-character.
[Changed by David Kalnischkies: let test actually test the change]
Closes: #830159
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Now post-build script should no longer complain...
Gbp-Dch: ignore
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Instead of only trying the first host we get via SRV, we try them all as
we are supposed to and if that isn't working we try to connect to the
host itself as if we hadn't seen any SRV records. This was already the
intend of the old code, but it failed to hide earlier problems for the
next call, which would unconditionally fail then resulting in an all
around failure to connect. With proper stacking we can also keep the
error messages of each call around (and in the order tried) so if the
entire connection fails we can report all the things we have tried while
we discard the entire stack if something works out in the end.
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If we don't give a specific error to report up it is likely that all
error currently in the error stack are equally important, so reporting
just one could turn out to be confusing e.g. if name resolution failed
in a SRV record list.
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If we have files in partial/ from a previous invocation or similar such
those could be symlinks created by file:// sources. The code is
expecting only real files through and happily changes owner,
modification times and permission on the file the symlink points to
which tend to be files we have no business in touching in this way.
Permissions of symlinks shouldn't be changed, changing owner is usually
pointless to, but just to be sure we pick the easy way out and use
lchown, check for symlinks before chmod/utimes.
Reported-By: Mattia Rizzolo on IRC
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The test makes heavy use of disabling compression types which are
usually available some way or another like xz which is how the EIPP
logs are compressed by default. Instead of changing this test to change
the filename according to the compression we want to test we just
disable EIPP logging for this test as that is easier and has the same
practical effect.
Gbp-Dch: Ignore
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If other logs can't be written this is a warning to,
so for consistency sake translate the errors to warnings.
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Unlikely to happen in practice and I wonder more how I could miss these
in earlier reviews, but okay, lets fix it for consistency now.
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If libapt has builtin support for a compression type it will create a
dummy compressor struct with the Binary set to 'false' as it will catch
these before using the generic pipe implementation which uses the
Binary. The catching happens based on configured Names through, so you
can actually force apt to use the external binaries even if it would
usually use the builtin support. That logic fails through if you don't
happen to have these external binaries installed as it will fallback to
calling 'false', which will end in confusing 'Write error's.
So, this is again something you only encounter in constructed testing.
Gbp-Dch: Ignore
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This is in so far pointless as the first match will deal with the
extension, so we don't actually ever use these second instances –
probably for the better as most need arguments to behave as epected &
more importantly: the point of the exercise disabling their use for
testing proposes.
Gbp-Dch: Ignore
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The generated dump output is incorrect in sofar as it uses the name as
the key for this compressor, but they don't need to be equal as is the
case if you force some of the inbuilt ones to be disabled as our testing
framework does it at times.
This is hidden from changelog as nobody will actually notice while
describing it in a few words make it sound like an important change…
Git-Dch: Ignore
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methods/http.cc:640:13: runtime error: reference binding to null pointer
of type 'struct FileFd'
This reference is never used in the cases it has a nullptr, so the
practical difference is non-existent, but its a bug still.
Reported-By: gcc -fsanitize=undefined
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It can be handy to set apt options for the testcases which shouldn't be
accidentally committed like external planner testing or workarounds for
local setups.
Gbp-Dch: Ignore
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Gbp-Dch: ignore
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This caused a crash because the cache was a nullptr.
Closes: #829651
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All apt versions support numeric as well as 3-character timezones just
fine and its actually hard to write code which doesn't "accidently"
accepts it. So why change? Documenting the Date/Valid-Until fields in
the Release file is easy to do in terms of referencing the
datetime format used e.g. in the Debian changelogs (policy §4.4). This
format specifies only the numeric timezones through, not the nowadays
obsolete 3-character ones, so in the interest of least surprise we should
use the same format even through it carries a small risk of regression
in other clients (which encounter repositories created with
apt-ftparchive).
In case it is really regressing in practice, the hidden option
-o APT::FTPArchive::Release::NumericTimezone=0
can be used to go back to good old UTC as timezone.
The EDSP and EIPP protocols use this 'new' format, the text interface
used to communicate with the acquire methods does not for compatibility
reasons even if none of our methods would be effected and I doubt any
other would (in these instances the timezone is 'GMT' as that is what
HTTP/1.1 requires). Note that this is only true for apt talking to
methods, (libapt-based) methods talking to apt will respond with the
'new' format. It is therefore strongly adviced to support both also in
method input.
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Debian isn't using 'update' anymore for years and the command is in
direct conflict with our goal of not requiring gnupg anymore, so it
is high time to officially declare this command as deprecated.
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apt-key needs gnupg for most of its operations, but depending on it
isn't very efficient as apt-key is hardly used by users – and scripts
shouldn't use it to begin with as it is just a silly wrapper. To draw
more attention on the fact that e.g. 'apt-key add' should not be used in
favor of "just" dropping a keyring file into the trusted.gpg.d
directory this commit implements the display of warnings.
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There is no real point in having two commands which roughly do the same
thing, especially if the difference is just in the display of the
fingerprint and hence security sensitive information.
Closes: 829232
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As the volatile sources are parsed last they were sorted behind the
dpkg/status file and hence are treated as a downgrade, which isn't
really what you want to happen as from a user POV its an upgrade.
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If we have a (e.g. locally built) deb file installed and do try to
install it again apt complained about this being a downgrade, but it
wasn't as it is the very same version… it was just confused into not
merging the versions together which looks like a downgrade then.
The same size assumption is usually good, but given that volatile files
are parsed last (even after the status file) the base assumption no
longer holds, but is easy to adept without actually changing anything in
practice.
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Traditionally all providers are protected providing something as apt
can't know which of them is actually really providing the functionality
for the user ensuring that we don't propose the removal of used stuff,
but that is of course also keeping stuff around which could be removed.
That can cause the collection of multiple old providers until the
provided package is itself no longer needed (e.g. out-of-tree kernel
modules). We combat this by marking providers only from the newest
source package version so that old providers built by older versions of
the same source package can be garbage collected.
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As the previous commit, this shouldn't change behavior at all, but
beside being more explicit and perhaps faster its also considerably
shorter (granted, mostly by if0-block elimination).
Gbp-Dch: Ignore
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Piling everything in a single if statement always made my head wobble,
but it hasn't even a benefit as the most common case of a package which
isn't installed passes all of the old if and lands in the non-existent
else-part of the inner if. So beside a subjective cleanup of what goes
on this implementation should also be a bit faster.
No change in behavior should be present.
Gbp-Dch: Ignore
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Gbp-Dch: Ignore
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Writing first means that even in the event of a power-failure the
autobit is saved for future processing instead of "forgotten" so that
the package is treated as manually installed.
In some cases we have to re-run the writing after dpkg is done through
as dpkg can let packages disappear and in such cases apt will move
autobits around (or in that case non-autobits) which we need to store.
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If we can't read the old file we can't just move forward as that would
discard potentially discard old data (especially other fields). We let
it fail only after we are done writing the new file so a user has the
chance to look into and merge the new data (which is otherwise
discarded).
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We deploy atomic renames for some files, but these renames also happen
if something about the file failed which isn't really the point of the
exercise…
Closes: 828908
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This reverts commit 2b8221d66a8284042fc53c7bbb14bb9750e9137f.
Avoiding the use of GCC >= 5 stuff lets use go back to 4.8 simplifying
the travis setup again as well as reducing the backport requirements in
general.
This is possible because the std::get_time use requiring GCC >= 5 in
9febc2b238e1e322dce1f94ecbed46d595893b52 was replaced by handrolling it
in 1d742e01470bba27715a8191c50adde4b39c2f19, so the remaining uses are
just small conviniences we can do without.
Gbp-Dch: Ignore
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Usually these config options are set to sensible values, but if init
isn't run or the user interferes with configuration clearing or similar
the options could indeed carry an empty value, which will result in
FindDir returning a '/'. That feels kinda wrong, but as a public
interface there isn't much we can do about it and instead make it so
that we get the special file /dev/null back we know how to deal with in
such cases.
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Julian noticed on IRC that I fall victim to a lovely false friend by
calling referring to a 'planer' all the time even through these are
machines to e.g. remove splinters from woodwork ("make stuff plane").
The term I meant is written in german in this way (= with a single n)
but in english there are two, aka: 'planner'.
As that is unreleased code switching all instances without any
transitional provisions. Also the reason why its skipped in changelog.
Thanks: Julian Andres Klode
Gbp-Dch: Ignore
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Needed for the previous change
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If a package file is formatted in a way that that no space
follows a deprecated "<", we would reformat it to "<=" and
increase the length of the output by 1, which can break.
Under normal circumstances with "<=" this should not be an
issue.
Closes: #828812
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In 385d9f2f23057bc5808b5e013e77ba16d1c94da4 I implemented the storage of
scenario files based on enabling this by default for EIPP, but I
implemented it first optionally for EDSP to have it independent.
The reasons mentioned in the earlier commit (debugging and bugreports)
obviously apply here, especially as EIPP solutions aren't user approved,
nearly impossible to verify before starting the execution and at the
time of error the scenario has changed already, so that reproducing the
issue becomes hard(er).
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Freeing 'Install' for future use as an interface for "dpkg --install",
which is currently not used by any existent planer, so the
implementation of it itself will be delayed until then.
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A rather special need option, but the internal planer supports this and
we have a testcase for it & sometimes it is hit (as a bug through). The
option itself mostly serves as a reminder for implementors that they
should be careful with removes and especially temporary removes if they
perform any.
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Git-Dch: Ignore
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APT has 3 modes: no immediate configuration, all packages are configured
immediately and its default mode of configuring essentials and
pseudo-essentials immediately only. While this seems like a job of
different planers at first, it might be handy to have it as an option,
too, in case a planer (like apts internal one) supports different modes
where the introduction of individual planers would be counter intuitive.
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The generation of the EIPP request was a bit to strict not generation
what would actually be needed to be part of the scenario.
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For the order there is no inherent difference between delete or purge,
so we don't tell the planer about this and instead decide in apt if a
package should be purged or not which also allows us to not tell the
planer about rc-only purges as we can trivially do this on our on as
there is no need to plan such purges.
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Testing the current implementation can benefit from being able to be
feed an EIPP request and produce a fully compliant response. It is also
a great test for EIPP in general.
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We can trim generation time and size of the EIPP scenario considerable
if we we avoid telling the planers about "uninteresting" packages.
This is one of the simpler but already very effective reductions:
Do not tell planers about versions which are neither installed nor are
to be installed as they have no effect on the plan we don't need to tell
the planer about them. EDSP solvers need to know about all versions for
better choice and error messages, but planers really don't.
Git-Dch: Ignore
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