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Make libarchive the default handler for 7z archives if the IFW
tools were built with the 'libarchive' configuration feature.
The LZMA SDK library is still built and can be used instead
if the config feature is omitted.
Also modify tests.
Task-number: QTIFW-2375
Change-Id: I1091d5fa140cbd783cddecc595f35c6562639b07
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Katja Marttila <katja.marttila@qt.io>
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Now that the server process may request file seeks in addition to reads
for archive formats supporting them, the interval which we process the
requests will have a big impact on the extracting speed.
Also shrink the read buffer as its size isn't as significant for the
performance after this change.
Task-number: QTIFW-2384
Change-Id: Iaf296833c6ff1acfc666a6e82f661e1a40c77b61
Reviewed-by: Katja Marttila <katja.marttila@qt.io>
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This fixes losing executable bits of files in Zip archives when
extracted. Zip archives store file metadata in two ways, partial
metadata per-entry and full metadata at the end of archive. IFW's read
implementation previously did only streaming without support for seeking
archives, which is required to obtain full metadata - meaning the
partial metadata was used instead by libarchive's Zip reader. The
extracted entries between the two metadata types are not consistent.
This change also enables usage of archive formats that cannot be
accurately handled with a streaming model, like 7zip which needs to read
key data from the end of the file before reading file data from the
beginning.
Task-number: QTIFW-2372
Change-Id: Ie4ed33040fc52de073546e46d9da726816f47a81
Reviewed-by: Katja Marttila <katja.marttila@qt.io>
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libarchive is a multi-format archive and compression library
written in C and licensed under the new BSD license. Usage of
libarchive brings in support for additional archive formats
(in addition to 7z) with the installer framework, like zip and
tar, with several available compression methods like gzip, bzip2
and xz.
libarchive will coexist as a supported archive format handler
with the LZMA SDK currently used in the framework, which will
continue to be used for handling the 7-Zip file format.
This change introduces classes for handling archive operations
using both libraries, removes most calls to the old Lib7z facade
and migrates the code base to use the new handling methods.
Task-number: QTIFW-2255
Change-Id: I8d77110ded503060495a3d6fdfdbc26281df9453
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Katja Marttila <katja.marttila@qt.io>
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