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@mhx mhx released this 14 Aug 19:42
· 63 commits to main since this release
v0.10.0
b642c18

This release doesn't bring a lot of new features or bugfixes to the command-line tools. However, large parts of the code base have been refactored (in more than 300 commits since the last release) and a couple of long-standing issues have been resolved:

  • It is finally possible to properly install the libraries that implement most of DwarFS. These libraries come with all necessary headers and a CMake config script so you can start building your own tools.

  • Shared library builds are now explicitly supported. These have caused some trouble in the past, but the problematic code has been refactored to avoid issue like missing compression / categorizer code.

  • The code now builds about twice as fast. This is due to shipping generated code in the source tarball and removing a lot of dependencies into the folly library.

  • It is now possible to do modular builds, i.e. the library, tools and FUSE driver can be built independently.

Bugfixes

  • Fixed a race condition identified by ThreadSanitizer in the root node name processing.

  • The terminal abstraction code did not check any errors when trying to determine the terminal width, leading to a random terminal width value. This caused the manual page tests to occasionally crash.

  • Fixed some flaky tests, e.g. unmounting the FUSE driver on macOS.

Features

  • Two sets of universal binaries and binary tarballs are provided for Linux platforms: one without any debug symbols, the other with minimal debug symbols and support for stack traces. For the universal binary, only the version without debug symbols will be UPX-compressed, as the stack trace functionality doesn't work with a compressed binary.

  • Symbolic links to the universal binary may now be suffixed with a version (i.e. any part of the name starting with - and followed by a digit will be ignored, e.g. the symlink could be mkdwarfs-0.10 and it would be treated as mkdwarfs).

  • Introduced support for extended attributes on Windows, including a new utility for cross-platform xattr manipulation (pxattr, for portable xattr).

  • Enhanced file system API, adding error-code based and exception-safe versions for getattr, access, and similar functions.

  • Filter rules now consistently use Unix path separators, even for the root path component. Addresses a comment in github discussion #228.

Improvements

  • Extensive refactoring to improve code modularity, maintainability and to provide proper libraries. The library code has been moved to different namespaces to make it easier to understand the role of different components (e.g. reader, writer, extractor).

  • Replaced all folly library dependencies in the public DwarFS library interface with alternatives from libraries like e.g. boost or nlohmann::json which are more broadly available. folly and fbthrift are still used as implementation details, but no longer leak into the public library interfaces.

  • A much smaller subset of folly is now used in DwarFS and only the necessary components are built, significantly reducing the number of compilation units when building DwarFS.

  • It is now possible to do modular builds in addition to the default monolithic build, i.e. you can build and install just the DwarFS libraries and later build/install the tools (mkdwarfs, ...) and/or the FUSE driver against these libraries. This is particularly useful for packaging (e.g. in Homebrew, which has removed all FUSE support from the core formulae).

  • Shared library builds are now explicitly supported. This fixes issues such as github #184.

  • The source tarball now contains all auto-generated code, e.g. manual pages or generated thrift code. This reduces the number of build-time dependencies (e.g. ronn or mistletoe are no longer required) and significantly reduces the build steps (it is no longer necessary to build the thrift compiler). The build is now roughly twice as fast as in the 0.9.x releases.

  • The parallel-hashmap, xxHash and zstd submodules have been removed from the git repo and are no longer added to the source tarball. Both xxHash and zstd are now widely available. If a suitable version of parallel-hashmap is found on the system, this will be used, otherwise it will be fetched during the build. Being a header-only library and only used internally, there's no need for it to be installed.

  • A lot of GCC warnings have been fixed and upstreamed to folly / fbthrift.

New Contributors

Full Changelog: v0.9.10...v0.10.0

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Contributors

mindfocus
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