SHA256: more SHA256 support #6456
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Teach the repository about the `objectformat` extension, supporting `sha1` always and `sha256` when the experimental sha256 support is active.
Provide an internal function to set the repository's `objectformat`, both in the internal object and in the configuration.
Ensure that we maintain the `core.repositoryFormatVersion` value instead of always overwriting it with the default.
This is a conversion of the testrepo.git to SHA256 support.
In clar, an underscore is meaningful; avoid using it incorrectly / unnecessarily.
Teach the packfile machinery to cope with SHA256.
This is much of the plumbing for the object database to support SHA256, and for objects to be able to parse SHA256 versions of themselves.
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The longest path within a git repository is now a SHA256 format packfile. Adjust our max length checking to match.
The git included with xenial is ancient, and lacks sha256 support.
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Going to go ahead and 🚢 this since it's behind a feature flag. |
netbsd-srcmastr
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Feb 25, 2023
v1.6 ---- This is release v1.6.0, "Hubbeliges Krokodil". This release adds experimental SHA256 support and includes many new features and bugfixes. ## What's Changed ### New features * **Support for bare repositories with SHA256 support (experimental)** by @ethomson in libgit2/libgit2#6191 You can configure experimental SHA256 support in libgit2 with `cmake -DEXPERIMENTAL_SHA256=ON` during project setup. This is useful for considering future integrations, work on clients, and work on language bindings. At present, working with bare repositories should largely work, including remote operations. But many pieces of functionality - including working with the index - are not yet supported. As a result, **libgit2 with SHA256 support should not be used in production or released with package distribution.** * **Support the notion of a home directory separately from global configuration directory** by @ethomson in libgit2/libgit2#6455 and libgit2/libgit2#6456 Callers and language bindings can now configure the home directory that libgit2 uses for file lookups (eg, the `.ssh` directory). This configuration is separate from the git global configuration path. * **stash: partial stash specific files** by @gitkraken-jacobw in libgit2/libgit2#6330 A stash can be created with only specific files, using a pathspec. This is similar to the `git stash push` command. * **push: revparse refspec source, so you can push things that are not refs** by @sven-of-cord in libgit2/libgit2#6362 Pushes can be performed using refspecs instead of only references. * **Support OpenSSL3** by @ethomson in libgit2/libgit2#6464 and libgit2/libgit2#6471 OpenSSL 3 is now supported, both when compiled directly and dynamically loaded. ### Bug fixes * winhttp: support long custom headers by @kcsaul in libgit2/libgit2#6363 * Fix memory leak by @csware in libgit2/libgit2#6382 * Don't fail the whole clone if you can't find a default branch by @torvalds in libgit2/libgit2#6369 * #6366: When a worktree is missing, return `GIT_ENOTFOUND`. by @arroz in libgit2/libgit2#6395 * commit-graph: only verify csum on `git_commit_graph_open()`. by @derrickstolee in libgit2/libgit2#6420 * Ignore missing 'safe.directory' config during ownership checks by @kcsaul in libgit2/libgit2#6408 * Fix leak in `git_tag_create_from_buffer` by @julianmesa-gitkraken in libgit2/libgit2#6421 * http: Update httpclient options when reusing an existing connection. by @slackner in libgit2/libgit2#6416 * Add support for `safe.directory *` by @csware in libgit2/libgit2#6429 * URL parsing for google-compatible URLs by @ethomson in libgit2/libgit2#6326 * Fixes #6433: `git_submodule_update` fails to update configured but missing submodule by @tagesuhu in libgit2/libgit2#6434 * transport: fix capabilities calculation by @russell in libgit2/libgit2#6435 * push: use resolved oid as the source by @ethomson in libgit2/libgit2#6452 * Use `git_clone__submodule` to avoid file checks in workdir by @abizjak in libgit2/libgit2#6444 * #6422: handle dangling symbolic refs gracefully by @arroz in libgit2/libgit2#6423 * `diff_file`: Fix crash when freeing a patch representing an empty untracked file by @jorio in libgit2/libgit2#6475 * clone: clean up options on failure by @ethomson in libgit2/libgit2#6479 * stash: update strarray usage by @ethomson in libgit2/libgit2#6487 * #6491: Sets `oid_type` on repos open with `git_repository_open_bare` by @arroz in libgit2/libgit2#6492 * Handle Win32 shares by @ethomson in libgit2/libgit2#6493 * Make failure to connect to ssh-agent non-fatal by @fxcoudert in libgit2/libgit2#6497 * odb: don't unconditionally add `oid_type` to stream by @ethomson in libgit2/libgit2#6499 * Pass hostkey & port to host verify callback by @fxcoudert in libgit2/libgit2#6503 ### Security fixes ### Code cleanups * meta: update version number to v1.6.0-alpha by @ethomson in libgit2/libgit2#6352 * sha256: indirection for experimental functions by @ethomson in libgit2/libgit2#6354 * Delete `create.c.bak` by @lrm29 in libgit2/libgit2#6398 * Support non-cmake builds with an in-tree `experimental.h` by @ethomson in libgit2/libgit2#6405 ### Build and CI improvements * tests: skip flaky-ass googlesource tests by @ethomson in libgit2/libgit2#6353 * clar: remove ftrunacte from libgit2 tests by @boretrk in libgit2/libgit2#6357 * CI Improvements by @ethomson in libgit2/libgit2#6403 * fix compile on Windows with `-DWIN32_LEAN_AND_MEAN` by @christoph-cullmann in libgit2/libgit2#6373 * Fixes #6365 : Uppercase windows.h include fails build in case-sensitive OS by @Vinz2008 in libgit2/libgit2#6377 * ci: update version numbers of actions by @ethomson in libgit2/libgit2#6448 * thread: avoid warnings when building without threads by @ethomson in libgit2/libgit2#6432 * src: hide unused hmac() prototype by @0-wiz-0 in libgit2/libgit2#6458 * tests: update clar test runner by @ethomson in libgit2/libgit2#6459 * ci: always create test summaries, even on failure by @ethomson in libgit2/libgit2#6460 * Fix build failure with `-DEMBED_SSH_PATH` by @vicr123 in libgit2/libgit2#6374 * Define correct `off64_t` for AIX by @bzEq in libgit2/libgit2#6376 * Fix some warnings in main by @ethomson in libgit2/libgit2#6480 * strarray: remove deprecated declaration by @ethomson in libgit2/libgit2#6486 * tests: always unset `HTTP_PROXY` before starting tests by @ethomson in libgit2/libgit2#6498 ### Documentation improvements * add 2-clause BSD license to COPYING by @martinvonz in libgit2/libgit2#6413 * Add new PHP bindings project to language bindings section of README.md by @RogerGee in libgit2/libgit2#6473 * README: clarify the linking exception by @ethomson in libgit2/libgit2#6494 * Correct the definition of "empty" in the docs for `git_repository_is_empty` by @timrogers in libgit2/libgit2#6500
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Opening a draft PR with continued work on SHA256 support.