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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
(cherry picked from commit fc5db01bb7d1546944200d197866b0b5c378f100)
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Regression introduced in 8f858d560e3b7b475c623c4e242d1edce246025a.
Commands are probably better of always having output through as the
fall through to the generic proxy settings is likely not intended. As
documenting and implementing this more consistently is kind of a
regression through, it is split off into the next commit.
Closes: 827713
(cherry picked from commit cad1877559f3e1703c3fea4d081978e1b4bb4a0e)
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Just closing the fd would be enough, but while we are at it we can also
use the Popen interface to have an easier time with this.
(cherry picked from commit 8f858d560e3b7b475c623c4e242d1edce246025a)
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Seen first in #826783, but as this buglog also shows leaked uncompressed
files as well we don't close it just yet.
(cherry picked from commit 6f35be91c9e86e463bca7df6eadf05412c7b732c)
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This effects only compressors configured on the fly (rather then the
inbuilt ones as they use a library).
(cherry picked from commit bdc42211700ef0f6f40e4ef3f362e52d684d70fb)
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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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Hardly noticeable, but given that we have the option to easily enable
it, lets enable it as every newline in the message is written
individually by the code.
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Some methods had it missing, some used the keyword directly, which isn't
a problem as it is a cc file, but for consistency lets stick to our
macro for now.
Git-Dch: Ignore
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Introduces APT::Hashes::<NAME> with entries Untrusted and Weak
which can be set to true to cause the hash to be treated as
untrusted and/or weak.
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This avoids templates using StringView to be exported, such as
std::vector<StringView*>::emplace_back().
Gbp-Dch: ignore
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SHA1 is not reasonably secure anymore, so we should not consider it
usable anymore. The test suite is adjusted to account for this.
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This effectively merges branch 'typofixes-vlajos-20150807' of github.com:vlajos/apt
with the following commit:
commit 13cacb3e2e2352ba701e769fc889e3344fabbf7e
Author: Veres Lajos <vlajos@gmail.com>
Date: Sun Aug 9 00:12:53 2015 +0100
typofix - https://github.com/vlajos/misspell_fixer
It has been rebased for a better commit message.
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The liblzma-based write code needs the same tweaks that the read code
already has to cope with the situation where lzma_code returns zero the
first time through because avail_out is zero, but will do more work if
called again.
This ports the read tweaks to the write code as closely as possible
(including matching comments etc.).
Closes: #751688
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If we just reopened the file, we also need to reset the current
seek position when we reset the buffer, otherwise the code will
not try to seek to the position given to Skip (from 0), but will
try to seek to old offset + the position given to skip.
Closes: #812994, #813000
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When writing into the buffer write to free() bytes starting
at getend(), instead of buffersize_max bytes at get()
-> get() is a read pointer.
This makes no difference in practice though, as we reset
the buffer before the call, so start = end = 0.
Gbp-Dch: ignore
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We cannot just return false without setting an error,
as InternalWrite does not set one itself.
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Microoptimization, but still gives a measurable 2-3% improvement
when using commands with lots of output like `apt list`.
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It makes no sense to split a large block into multiple small
blocks, so when we have the chance to write them unbuffered,
do so.
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We do not need the loop, FileFd::Private() handles this for us.
Gbp-Dch: ignore
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We want to check whether the amount of free space is smaller
than the requested write size. Checking maxsize - size() is
incorrect for bufferstart >= 0, as size() = end - start.
Gbp-Dch: ignore
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gcc correctly reports that we check for the same value twice, expect
that the manpage of read(2) tells us to do it for portability, so to
make both sides happy lets add a little #if'ing here.
Reported-By: gcc-6
Git-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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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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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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Use the same path for both comparisons, as the operator== path
is faster than just calling compare() - it avoids any comparison
if the size differs.
Gbp-Dch: ignore
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Gbp-Dch: ignore
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Gbp-Dch: ignore
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Thanks: Niels Thykier for reporting on IRC
Gbp-Dch: ignore
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This improves performance of the cache generation on my
ARM platform (4x Cortex A15) by about 10% to 20% from
2.35-2.50 to 2.1 seconds.
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The class APT::StringView implements a drop-in replacement
for a subset of C++17 std::string_view() features. It will
be dropped at a later point and may not be used in public
interfaces.
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This is a multiple of the page size and thus results in less
page faults, speeding up copying.
Also, while we're at at, unify all uses of that size in a
constant variable APT_BUFFER_SIZE.
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Implement native support for LZ4 compression, using the official
lz4 library.
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This makes code easier to read, and somewhat more correct.
Gbp-Dch: ignore
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Gbp-Dch: ignore
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This shuts up gcc
Gbp-Dch: ignore
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To preserve compatibility, the new inline functions have _inline
as a suffix, and a macro defines the old names to refer to the
inline variants.
The old functions are still preserved for binary compatibility.
Also simplify the implementation of both functions.
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Previously, if flush errored inside the loop, data could have
already been written to the wrapped descriptor without having
been removed from the buffer.
Also try to work around EINTR here. A better solution might be
to have the individual privates detect an interrupt and return
0 in such a case, instead of relying on errno being untouched
in between the syscall and the return from InternalWrite.
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This avoids some issues with InternalWrite returning 0 because
it just cannot write stuff at the moment.
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This is somewhat experimental right now, and might not work
for everyone, so it is on an opt-in basis.
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The flush function can be used for buffered writers.
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We will soon implement a buffered writing decorator and we will
need to forward attribute changes to those.
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These can be used to implement write buffering
Gbp-Dch: ignore
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Suggested by David.
Gbp-Dch: ignore
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Gbp-Dch: ignore
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We directly check if we are a hex digit in HexDigit, so use that
information.
[jak@debian.org: Commit message wording]
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This converts all callers that read machine-generated data,
callers that might work with user input are not converted.
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This is like isspace(), but ignores the current locale.
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