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To resolve dependencies like "pkg:arch" we create a package with the
name "pkg:arch" and the architecture "any". We create these packages
only if a dependency needs it as these kind of dependencies aren't that
common. This commit ensured that in the even this architecture specific
dependency is the only relation this package has we still create the
underlying package to have them available in provides resolution.
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Git-Dch: ignore
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Git-Dch: ignore
Thanks: David Kalnischkies
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Thanks: Thomas Reusch
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I only looked at parameters in the previous commit, which was
not enough: One place also generated local string views. In this
case, we only need to make ArchA dynamic, as NameA is not used
after the FindPkg() call.
Gbp-Dch: ignore
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It turns out that StringViews might need to be remapped in some
places because they come from the cache. For example, some sites
pass a Ver.VerStr() to NewProvides().
Such a StringView would become invalid during the duration of
the call if the cache is remapped, causing the program to die
with a segmentation fault.
We can take care of those issues by remapping string views in
the same way we remap all the iterators. String views are only
remapped if they point into the cache though, this allows us
to write more generic code on the callee site without having
to check whether the view points into the cache or not.
That's not as efficient as possible, but the overhead does not
appear to be measurable.
Closes: #812251
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This allows us to check if a value to be remapped was inside
the cache or not, which will become useful at a later point.
Gbp-Dch: ignore
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APT::StringView is supposed to be a temporary measure, until support
for the standardized string_view is widely available. Introducing
additional unstandardized features just makes porting to the
standard version harder.
The constexpr constructor also won't have any real effect on most
systems, as the compiler will happily optimise the strlen() call
away for constant strings.
Gbp-Dch: ignore
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Git-Dch: Ignore
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The commit also adds a few trivial tests
Git-Dch: Ignore
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The position returned is supposed to be the position of the character
counted from the start of the string, but if we used the substr calling
overloads the skipped over prefix wasn't considered. The pos parameter
of rfind had also the wrong semantic.
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Introduced in 9d2a8a7388cf3b0bbbe92f6b0b30a533e1167f40 apt tries to
merge actions like downloading the same (as judged by hashes) file
into doing it once. The implementation was very simple in that it isn't
planing at all. Turns out that it works 90% of the time just fine, but
has issues in more complicated situations in which items can be in
different stages downloading different files emitting potentially the
"wrong" hash – like while pdiffs are worked on we might end up copying
the patch instead of the result file giving us very strange errors in
return. Reverting the change until we can implement a better planing
solution seems to be the best course of action even if its sad.
Closes: 810046
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Architectures for packages which do not belong to the native nor a
foreign architecture (dubbed barbarian for now) which are marked
M-A:foreign still provide in their own architecture even if not for
others. Also, other M-A:foreign (and allowed) packages provide in these
barbarian architectures.
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Git-Dch: Ignore
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git-Dch: Ignore
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Parsing XML entity files in shell isn't exactly nice and causing the
substitution with a while-read loop isn't either, but it seems to be
good enough for the moment without changing too much.
Thanks: Niels Thykier for reporting on IRC
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Git-Dch: Ignore
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Seems like the interaction between wildcards and exemptions has changed
slightly, so be positively more explicit about our ignoring of en.
Git-Dch: Ignore
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Git-Dch: Ignore
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Closes: #734922
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This prevents a test suite failure on systems with weird umasks.
Also set umask 000 at the beginning so we can actually check for
that anywhere.
Gbp-Dch: ignore
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Just enabling it for anyone breaks with HTTP/1.0 servers and
proxies sometimes.
Closes: #810796
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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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We need r126 of lz4, as this introduces the lz4frame.h
header.
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This is not really needed anymore, as those are in stable,
but as they are versioned already, let's just do it.
Gbp-Dch: ignore
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There's no point in breaking all older apt-file versions just
because one old experimental upload was broken.
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Reported-By: Mattia Rizzolo (on IRC)
Gbp-Dch: ignore
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Gbp-Dch: ignore
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Move the completion to completions/bash/apt and install all
bash completions from completions/bash.
Gbp-Dch: ignore
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This ensures that a compatible version of appstream is
installed, that is, one that disables lz4 compression
for its data.
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By storing the size of the string in the cache, we can make use of
it when comparing the names in the hashtable in pkgCache::FindGrp.
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Hide the std::string overload instead of providing a
const char * one, the old variant was stupid.
Gbp-Dch: ignore
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I overlooked this
Gbp-Dch: ignore
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The code already deals with compressed leftovers, but forgot the
uncompressed files. The opertunity is picked to reorder this code and
add debug messages about the actions taken as well as produce such a
leftover file in the associated testcase.
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With the addition of the $HASH-Download field in the .diff/Index we got
the size of the compressed patches for 'free', so if that information is
available we can use it for a more fitting calculation of the size
requirements of the patches vs. the complete file.
Note that this predicts a too small size in the transition case in which
the information isn't available for all patches, but figuring this out
would be a lot of code for practically nothing as only one update can
ever be in such a transition phase.
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Some (older) versions of bash seem to be allergic to a method named
"aptautotest_grep_^apt" (note the caret). Unlikely that we are going to
write autotests for such commands so we could just skip those, but lets
instead just use "normal" characters in the names and strip the rest as
we already did with the (arguable more common) '-'.
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This way it works more similar to the compressor binaries, which we
can relief in this way from their job in the test framework avoiding the
need of adding e.g. liblz4-tool to the test dependencies.
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Downloading and storing are two different operations were different
compression types can be preferred. For downloading we provide the
choice via Acquire::CompressionTypes::Order as there is a choice to
be made between download size and speed – and limited by whats available
in the repository.
Storage on the other hand has all compressions currently supported by
apt available and to reduce runtime of tools accessing these files the
compression type should be a low-cost format in terms of decompression.
apt traditionally stores its indexes uncompressed on disk, but has
options to keep them compressed. Now that apt downloads additional files
we also deal with files which simply can't be stored uncompressed as
they are just too big (like Contents for apt-file). Traditionally they
are downloaded in a low-cost format (gz) as repositories do not provide
other formats, but there might be even lower-cost formats and for
download we could introduce higher-cost in the repositories.
Downloading an entire index potentially requires recompression to
another format, so an update takes potentially longer – but big files
are usually updated via pdiffs which has to de- and re-compress anyhow
and does it on the fly anyhow, so there is no extra time needed and in
general it seems to be benefitial to invest the time in update to save
time later on file access.
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Less hardcoding should help while introducing new compressors.
Git-Dch: Ignore
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There is no reason to enforce that the file we start the bootstrap with
is compressed with a compressor which is available online. This allows
us to change the on-disk format as well as deals with repositories
adding/removing support for a specific compressor.
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If we store files compressed in lists/ and the file switched compression
formats we happened to retain the "old" format, but by default the
cleanup process catched this oversight and removed the file.
[The initial situation described doesn't arise as we store no files by
default compressed and even with apt-file configuring Contents files, we
don't really have that problem as there is just .gz files for those.]
We solve this by just removing any uncompressed as well as compressed
(we support) file just before we move the 'new' version of the file in.
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Adding a new compressor method meant adding a new method as well – even
if that boilt down to just linking to our generalized decompressor with
a new name. That is unneeded busywork if we can instead just call the
generalized decompressor and let it figure out which compressor to use
based on the filenames rather than by program name.
For compatibility we ship still 'gzip', 'bzip2' and co, but they are
just links to our "new" 'store' method.
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