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‎docs/changelog.md

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v1.8
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----
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This is release v1.8.0, "Das Fliegende Klassenzimmer". This release
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includes optional, experimental support for invoking OpenSSH to fetch
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and push, an easier mechanism to perform the default behavior of
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`git commit`, and has many improvements for worktrees. This release
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also includes many other new features and bugfixes.
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## Major changes
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* **Executable SSH (OpenSSH) support**
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libgit2 can now invoke the command-line OpenSSH to fetch from and push
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to remotes over SSH. This support takes the place of libssh2 support.
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To use it, configure libgit2 with `cmake -DUSE_SSH=exec`, and please
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report any problems that you discover. By @ethomson in
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https://github.com/libgit2/libgit2/pull/6617
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* **Simplified commit creation**
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The `git_commit_create_from_stage` API was introduced to allow users to
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better emulate the behavior of `git commit` without needing to provide
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unnecessary information. The current state of the index is committed to
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the current branch. By @ethomson in
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https://github.com/libgit2/libgit2/pull/6716
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* **Worktree improvements**
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A number of worktree improvements have been made for better
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compatibility with core git. First, libgit2 now understands per-worktree
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references, thanks to @csware in
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https://github.com/libgit2/libgit2/pull/6387. Worktree-specific
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configuration is now supported, thanks to @vermiculus in
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https://github.com/libgit2/libgit2/pull/6202. And improved compatibility
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with `git worktree add` is now supported, thanks to @herrerog in
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https://github.com/libgit2/libgit2/pull/5319.
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## Breaking changes
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* **Adding `WORKTREE` configuration level** (ABI breaking change)
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To support worktree configurations at the appropriate level (higher
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priority than local configuration, but lower priority than app-specific
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configuration), the `GIT_CONFIG_LEVEL_WORKTREE` level was introduced at
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priority 6. `GIT_CONFIG_LEVEL_APP` now begins at priority 7.
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* **Changes to `git_config_entry`** (ABI breaking change)
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The `git_config_entry` structure now contains information about the
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`backend_type` and `origin_path`. The unused `payload` value has been
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removed.
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* **`git_push_options` includes remote push options** (ABI breaking change)
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The `git_push_options` structure now contains a value for remote push
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options.
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## Other changes
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### New features
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* config: provide an "origin" for config entries by @ethomson in
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https://github.com/libgit2/libgit2/pull/6615
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* cli: add a `git config` command by @ethomson in
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https://github.com/libgit2/libgit2/pull/6616
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* Add OpenSSH support by @ethomson in
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https://github.com/libgit2/libgit2/pull/6617
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* remote: optionally report unchanged tips by @ethomson in
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https://github.com/libgit2/libgit2/pull/6645
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* Support setting oid type for in-memory repositories by @kcsaul in
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https://github.com/libgit2/libgit2/pull/6671
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* cli: add `index-pack` command by @ethomson in
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https://github.com/libgit2/libgit2/pull/6681
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* Add `git_repository_commit_parents` to identify the parents of the next
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commit given the repository state by @ethomson in
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https://github.com/libgit2/libgit2/pull/6707
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* commit: introduce `git_commit_create_from_stage` by @ethomson in
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https://github.com/libgit2/libgit2/pull/6716
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* set SSH timeout by @vafada in
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https://github.com/libgit2/libgit2/pull/6721
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* Implement push options on push by @russell in
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https://github.com/libgit2/libgit2/pull/6439
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* Support index.skipHash true config by @parnic in
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https://github.com/libgit2/libgit2/pull/6738
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* worktree: mimic 'git worktree add' behavior. by @herrerog in
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https://github.com/libgit2/libgit2/pull/5319
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* Support the extension for worktree-specific config by @vermiculus in
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https://github.com/libgit2/libgit2/pull/6202
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* Separate config reader and writer backend priorities (for worktree
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configs) by @ethomson in https://github.com/libgit2/libgit2/pull/6756
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* fetch: enable deepening/shortening shallow clones by @kempniu in
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https://github.com/libgit2/libgit2/pull/6662
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### Bug fixes
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* repository: make cleanup safe for re-use with grafts by @carlosmn in
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https://github.com/libgit2/libgit2/pull/6600
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* fix: Add missing include for `oidarray`. by @dvzrv in
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https://github.com/libgit2/libgit2/pull/6608
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* ssh: fix `known_hosts` leak in `_git_ssh_setup_conn` by @steven9724 in
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https://github.com/libgit2/libgit2/pull/6599
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* proxy: Return an error for invalid proxy URLs instead of crashing by
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@lrm29 in https://github.com/libgit2/libgit2/pull/6597
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* errors: refactoring - never return `NULL` in `git_error_last()` by
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@ethomson in https://github.com/libgit2/libgit2/pull/6625
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* Reject potential option injections over ssh by @carlosmn in
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https://github.com/libgit2/libgit2/pull/6636
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* remote: fix memory leak in `git_remote_download()` by @7Ji in
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https://github.com/libgit2/libgit2/pull/6651
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* git2: Fix crash when called w/o parameters by @csware in
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https://github.com/libgit2/libgit2/pull/6673
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* Avoid macro redefinition of `ENABLE_INTSAFE_SIGNED_FUNCTIONS` by @csware
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in https://github.com/libgit2/libgit2/pull/6666
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* util: suppress some uninitialized variable warnings by @boretrk in
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https://github.com/libgit2/libgit2/pull/6659
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* push: set generic error in `push_negotiation` cb by @ethomson in
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https://github.com/libgit2/libgit2/pull/6675
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* process: test `/usr/bin/false` on BSDs by @ethomson in
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https://github.com/libgit2/libgit2/pull/6677
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* clone: don't mix up "http://url" with "http:/url" when figuring out if we
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should do a local clone by @boretrk in
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https://github.com/libgit2/libgit2/pull/6361
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* Several compatibility fixes by @ethomson in
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https://github.com/libgit2/libgit2/pull/6678
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* Git blame buffer gives the wrong result in many cases where there are
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by @thosey in https://github.com/libgit2/libgit2/pull/6572
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* Fix 'path cannot exist in repository' during diff for in-memory repository
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by @kcsaul in https://github.com/libgit2/libgit2/pull/6683
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* process: don't try to close the status by @ethomson in
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https://github.com/libgit2/libgit2/pull/6693
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* Minor bug fixes by @ethomson in
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https://github.com/libgit2/libgit2/pull/6695
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* Bypass shallow clone support for in-memory repositories by @kcsaul in
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https://github.com/libgit2/libgit2/pull/6684
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* examples: use `unsigned` int for bitfields by @ethomson in
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https://github.com/libgit2/libgit2/pull/6699
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* Fix some bugs caught by UBscan by @ethomson in
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https://github.com/libgit2/libgit2/pull/6700
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* `git_diff_find_similar` doesn't always remove unmodified deltas by @yori
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in https://github.com/libgit2/libgit2/pull/6642
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* httpclient: clear `client->parser.data` after use by @ethomson in
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https://github.com/libgit2/libgit2/pull/6705
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* Do not normalize `safe.directory` paths by @csware in
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https://github.com/libgit2/libgit2/pull/6668
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* clone: don't swallow error in `should_checkout` by @ethomson in
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https://github.com/libgit2/libgit2/pull/6727
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* Correct index add directory/file conflict detection by @ethomson in
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https://github.com/libgit2/libgit2/pull/6729
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* Correct `git_revparse_single` and add revparse fuzzing by @ethomson in
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https://github.com/libgit2/libgit2/pull/6730
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* config: properly delete or rename section containing multivars by
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@samueltardieu in https://github.com/libgit2/libgit2/pull/6723
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* revparse: ensure bare '@' is truly bare by @ethomson in
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https://github.com/libgit2/libgit2/pull/6742
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* repo: ensure we can initialize win32 paths by @ethomson in
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https://github.com/libgit2/libgit2/pull/6743
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* Swap `GIT_DIFF_LINE_(ADD|DEL)_EOFNL` to match other Diffs by @xphoniex in
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https://github.com/libgit2/libgit2/pull/6240
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* diff: fix test for SHA256 support in `diff_from_buffer` by @ethomson in
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https://github.com/libgit2/libgit2/pull/6745
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* http: support empty http.proxy config setting by @ethomson in
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https://github.com/libgit2/libgit2/pull/6744
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* More `safe.directory` improvements by @ethomson in
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https://github.com/libgit2/libgit2/pull/6739
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* Ensure that completely ignored diff is empty by @ethomson in
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https://github.com/libgit2/libgit2/pull/5893
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* Fix broken regexp that matches submodule names containing ".path" by
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@csware in https://github.com/libgit2/libgit2/pull/6749
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* Fix memory leaks by @csware in
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https://github.com/libgit2/libgit2/pull/6748
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* Make `refdb_fs` (hopefully) fully aware of per worktree refs by @csware in
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https://github.com/libgit2/libgit2/pull/6387
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* fix log example by @albfan in https://github.com/libgit2/libgit2/pull/6359
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* fetch: fail on depth for local transport by @ethomson in
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https://github.com/libgit2/libgit2/pull/6757
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* Fix message trailer parsing by @ethomson in
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https://github.com/libgit2/libgit2/pull/6761
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* config: correct fetching the `HIGHEST_LEVEL` config by @ethomson in
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https://github.com/libgit2/libgit2/pull/6766
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### Build and CI improvements
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* meta: update version numbers to v1.8 by @ethomson in
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https://github.com/libgit2/libgit2/pull/6596
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* Revert "CMake: Search for ssh2 instead of libssh2." by @ethomson in
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https://github.com/libgit2/libgit2/pull/6619
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* cmake: fix openssl build on win32 by @lazka in
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https://github.com/libgit2/libgit2/pull/6626
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* ci: retry flaky online tests by @ethomson in
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https://github.com/libgit2/libgit2/pull/6628
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* ci: update to macOS 12 by @ethomson in
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https://github.com/libgit2/libgit2/pull/6629
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* Use `#!/bin/bash` for script with bash-specific commands by @roehling in
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https://github.com/libgit2/libgit2/pull/6581
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* ci: overwrite nonsense in `/usr/local` during macOS setup by @ethomson in
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https://github.com/libgit2/libgit2/pull/6664
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* release: add a compatibility label by @ethomson in
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https://github.com/libgit2/libgit2/pull/6676
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* actions: set permissions by @ethomson in
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https://github.com/libgit2/libgit2/pull/6680
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* cmake: rename FindIconv to avoid collision with cmake by @ethomson in
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https://github.com/libgit2/libgit2/pull/6682
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* ci: allow workflows to read and write packages by @ethomson in
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https://github.com/libgit2/libgit2/pull/6687
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* ci: allow workflows to push changes by @ethomson in
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https://github.com/libgit2/libgit2/pull/6688
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* tests: remove test for strcasecmp by @boretrk in
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https://github.com/libgit2/libgit2/pull/6691
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* CI fixes by @ethomson in
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https://github.com/libgit2/libgit2/pull/6694
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* ci: improvements to prepare for Cygwin support by @ethomson in
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https://github.com/libgit2/libgit2/pull/6696
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* Yet more CI improvements by @ethomson in
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https://github.com/libgit2/libgit2/pull/6697
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* Fix nightly builds by @ethomson in
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https://github.com/libgit2/libgit2/pull/6709
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* Benchmarks: add a site to view results by @ethomson in
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https://github.com/libgit2/libgit2/pull/6715
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* `GIT_RAND_GETENTROPY`: do not include `sys/random.h` by @semarie in
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https://github.com/libgit2/libgit2/pull/6736
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* add dl to `LIBGIT2_SYSTEM_LIBS` by @christopherfujino in
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https://github.com/libgit2/libgit2/pull/6631
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* meta: add dependency tag to release.yml by @ethomson in
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https://github.com/libgit2/libgit2/pull/6740
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* CI: fix our nightlies by @ethomson in
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https://github.com/libgit2/libgit2/pull/6751
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* trace: Re-enable tests as tracing is now enabled by default by @lrm29 in
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https://github.com/libgit2/libgit2/pull/6752
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* tests: don't free an unininitialized repo by @ethomson in
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https://github.com/libgit2/libgit2/pull/6763
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* ci: reduce ASLR randomization for TSAN by @ethomson in
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https://github.com/libgit2/libgit2/pull/6764
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* packbuilder: adjust nondeterministic tests by @ethomson in
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https://github.com/libgit2/libgit2/pull/6762
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* Allow libgit2 to be compiled with mbedtls3. by @adamharrison in
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https://github.com/libgit2/libgit2/pull/6759
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* build: update to latest actions versions by @ethomson in
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https://github.com/libgit2/libgit2/pull/6765
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* ctype: cast characters to unsigned when classifying characters by
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@boretrk in https://github.com/libgit2/libgit2/pull/6679 and
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@ethomson in https://github.com/libgit2/libgit2/pull/6770
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### Documentation improvements
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* README.md: Fix link to conan packages by @lrm29 in
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https://github.com/libgit2/libgit2/pull/6621
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* README: replace gmaster with GitButler by @ethomson in
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https://github.com/libgit2/libgit2/pull/6692
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* blame example: Fix support for line range in CLI by @wetneb in
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https://github.com/libgit2/libgit2/pull/6638
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* Support authentication in push example by @pluehne in
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https://github.com/libgit2/libgit2/pull/5904
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* docs: fix mistake in attr.h by @DavHau in
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https://github.com/libgit2/libgit2/pull/6714
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* Fix broken links by @csware in
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https://github.com/libgit2/libgit2/pull/6747
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### Platform compatibility fixes
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* stransport: macOS: replace `errSSLNetworkTimeout`, with hard-coded
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value by @mascguy in https://github.com/libgit2/libgit2/pull/6610
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### Git compatibility fixes
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* Do not trim dots from usernames by @georgthegreat in
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https://github.com/libgit2/libgit2/pull/6657
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* merge: fix incorrect rename detection for empty files by @herrerog in
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https://github.com/libgit2/libgit2/pull/6717
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### Dependency updates
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* zlib: upgrade bundled zlib to v1.3 by @ethomson in
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https://github.com/libgit2/libgit2/pull/6698
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* ntlmclient: update to latest upstream ntlmclient by @ethomson in
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https://github.com/libgit2/libgit2/pull/6704
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## New Contributors
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* @dvzrv made their first contribution in
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https://github.com/libgit2/libgit2/pull/6608
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* @mascguy made their first contribution in
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https://github.com/libgit2/libgit2/pull/6610
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* @steven9724 made their first contribution in
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https://github.com/libgit2/libgit2/pull/6599
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* @lazka made their first contribution in
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https://github.com/libgit2/libgit2/pull/6626
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* @roehling made their first contribution in
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https://github.com/libgit2/libgit2/pull/6581
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* @7Ji made their first contribution in
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https://github.com/libgit2/libgit2/pull/6651
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* @kempniu made their first contribution in
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https://github.com/libgit2/libgit2/pull/6662
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* @thosey made their first contribution in
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https://github.com/libgit2/libgit2/pull/6572
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* @wetneb made their first contribution in
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https://github.com/libgit2/libgit2/pull/6638
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* @yori made their first contribution in
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https://github.com/libgit2/libgit2/pull/6642
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* @pluehne made their first contribution in
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https://github.com/libgit2/libgit2/pull/5904
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* @DavHau made their first contribution in
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https://github.com/libgit2/libgit2/pull/6714
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* @vafada made their first contribution in
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https://github.com/libgit2/libgit2/pull/6721
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* @semarie made their first contribution in
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https://github.com/libgit2/libgit2/pull/6736
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* @christopherfujino made their first contribution in
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https://github.com/libgit2/libgit2/pull/6631
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* @parnic made their first contribution in
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https://github.com/libgit2/libgit2/pull/6738
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* @samueltardieu made their first contribution in
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https://github.com/libgit2/libgit2/pull/6723
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* @xphoniex made their first contribution in
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https://github.com/libgit2/libgit2/pull/6240
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* @adamharrison made their first contribution in
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https://github.com/libgit2/libgit2/pull/6759
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**Full Changelog**: https://github.com/libgit2/libgit2/compare/v1.7.0...v1.8.0
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v1.7
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