libgit2 v1.8.0

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ethomson released this 20 Mar 20:54

· 511 commits to main since this release

v1.8.0

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v1.8

This is release v1.8.0, "Das Fliegende Klassenzimmer". This release includes optional, experimental support for invoking OpenSSH to fetch and push, an easier mechanism to perform the default behavior ofgit commit, and has many improvements for worktrees. This release also includes many other new features and bugfixes.

Major changes

Executable SSH (OpenSSH) support
libgit2 can now invoke the command-line OpenSSH to fetch from and push to remotes over SSH. This support takes the place of libssh2 support. To use it, configure libgit2 withcmake -DUSE_SSH=exec, and please report any problems that you discover. By@ethomson in#6617
Simplified commit creation
Thegit_commit_create_from_stage API was introduced to allow users to better emulate the behavior ofgit commit without needing to provide unnecessary information. The current state of the index is committed to the current branch. By@ethomson in#6716
Worktree improvements
A number of worktree improvements have been made for better compatibility with core git. First, libgit2 now understands per-worktree references, thanks to@csware in#6387. Worktree-specific configuration is now supported, thanks to@vermiculus in#6202. And improved compatibility withgit worktree add is now supported, thanks to@herrerog in#5319.

Breaking changes

AddingWORKTREE configuration level (ABI breaking change)
To support worktree configurations at the appropriate level (higher priority than local configuration, but lower priority than app-specific configuration), theGIT_CONFIG_LEVEL_WORKTREE level was introduced at priority 6.GIT_CONFIG_LEVEL_APP now begins at priority 7.
Changes togit_config_entry (ABI breaking change) Thegit_config_entry structure now contains information about thebackend_type andorigin_path. The unusedpayload value has been removed.
git_push_options includes remote push options (ABI breaking change)
Thegit_push_options structure now contains a value for remote push options.

Other changes

New features

config: provide an "origin" for config entries by@ethomson in#6615
cli: add agit config command by@ethomson in#6616
Add OpenSSH support by@ethomson in#6617
remote: optionally report unchanged tips by@ethomson in#6645
Support setting oid type for in-memory repositories by@kcsaul in#6671
cli: addindex-pack command by@ethomson in#6681
Addgit_repository_commit_parents to identify the parents of the next commit given the repository state by@ethomson in#6707
commit: introduce git_commit_create_from_stage by@ethomson in#6716
set SSH timeout by@vafada in#6721
Implement push options on push by@russell in#6439
Support index.skipHash true config by@parnic in#6738
worktree: mimic 'git worktree add' behavior. by@herrerog in#5319
Support the extension for worktree-specific config by@vermiculus in#6202
Separate config reader and writer backend priorities (for worktree configs) by@ethomson in#6756
fetch: enable deepening/shortening shallow clones by@kempniu in#6662

Bug fixes

repository: make cleanup safe for re-use with grafts by@carlosmn in#6600
fix: Add missing include for oidarray. by@dvzrv in#6608
ssh: fix known_hosts leak in _git_ssh_setup_conn by@steven9724 in#6599
proxy: Return an error for invalid proxy URLs instead of crashing. by@lrm29 in#6597
errors: refactoring - never returnNULL ingit_error_last() by@ethomson in#6625
Reject potential option injections over ssh by@carlosmn in#6636
remote: fix memory leak in git_remote_download() by@7Ji in#6651
git2: Fix crash when called w/o parameters by@csware in#6673
Avoid macro redefinition of ENABLE_INTSAFE_SIGNED_FUNCTIONS by@csware in#6666
util: suppress some uninitialized variable warnings by@boretrk in#6659
fetch: enable deepening/shortening shallow clones by@kempniu in#6662
push: set generic error in push_negotiation cb by@ethomson in#6675
process: test /usr/bin/false on BSDs by@ethomson in#6677
clone: don't mix up "http://url" with "http:/url" when figuring out if we should do a local clone by@boretrk in#6361
Several compatibility fixes by@ethomson in#6678
Git blame buffer gives the wrong result in many cases where there are… by@thosey in#6572
Fix 'path cannot exist in repository' during diff for in-memory repository by@kcsaul in#6683
process: don't try to close the status by@ethomson in#6693
Minor bug fixes by@ethomson in#6695
Bypass shallow clone support for in-memory repositories by@kcsaul in#6684
examples: use unsigned int for bitfields by@ethomson in#6699
Fix some bugs caught by UBscan by@ethomson in#6700
git_diff_find_similar doesn't always remove unmodified deltas by@yori in#6642
httpclient: clear client->parser.data after use by@ethomson in#6705
Do not normalize safe.directory paths by@csware in#6668
clone: don't swallow error in should_checkout by@ethomson in#6727
Correct index add directory/file conflict detection by@ethomson in#6729
Correctgit_revparse_single and add revparse fuzzing by@ethomson in#6730
config: properly delete or rename section containing multivars by@samueltardieu in#6723
revparse: ensure bare '@' is truly bare by@ethomson in#6742
repo: ensure we can initialize win32 paths by@ethomson in#6743
SwapGIT_DIFF_LINE_(ADD|DEL)_EOFNL to match other Diffs by@xphoniex in#6240
diff: fix test for SHA256 support in diff_from_buffer by@ethomson in#6745
http: support empty http.proxy config setting by@ethomson in#6744
Moresafe.directory improvements by@ethomson in#6739
Ensure that completely ignored diff is empty by@ethomson in#5893
Fix broken regexp that matches submodule names containing ".path" by@csware in#6749
Fix memory leaks by@csware in#6748
Make refdb_fs (hopefully) fully aware of per worktree refs by@csware in#6387
fix log example by@albfan in#6359
fetch: fail on depth for local transport by@ethomson in#6757
Fix message trailer parsing by@ethomson in#6761
config: correct fetching the HIGHEST_LEVEL config by@ethomson in#6766
Avoid some API breaking changes in v1.8 by@ethomson in#6768

Build and CI improvements

meta: update version numbers to v1.8 by@ethomson in#6596
Revert "CMake: Search for ssh2 instead of libssh2." by@ethomson in#6619
cmake: fix openssl build on win32 by@lazka in#6626
ci: retry flaky online tests by@ethomson in#6628
ci: update to macOS 12 by@ethomson in#6629
Use #!/bin/bash for script with bash-specific commands by@roehling in#6581
ci: overwrite nonsense in /usr/local during macOS setup by@ethomson in#6664
release: add a compatibility label by@ethomson in#6676
actions: set permissions by@ethomson in#6680
cmake: rename FindIconv to avoid collision with cmake by@ethomson in#6682
ci: allow workflows to read and write packages by@ethomson in#6687
ci: allow workflows to push changes by@ethomson in#6688
tests: remove test for strcasecmp by@boretrk in#6691
CI fixes by@ethomson in#6694
ci: improvements to prepare for Cygwin support by@ethomson in#6696
Yet more CI improvements by@ethomson in#6697
Fix nightly builds by@ethomson in#6709
Benchmarks: add a site to view results by@ethomson in#6715
GIT_RAND_GETENTROPY: do not include sys/random.h by@semarie in#6736
add dl to LIBGIT2_SYSTEM_LIBS by@christopherfujino in#6631
meta: add dependency tag to release.yml by@ethomson in#6740
CI: fix our nightlies by@ethomson in#6751
trace: Re-enable tests as tracing is now enabled by default by@lrm29 in#6752
tests: don't free an unininitialized repo by@ethomson in#6763
ci: reduce ASLR randomization for TSAN by@ethomson in#6764
packbuilder: adjust nondeterministic tests by@ethomson in#6762
Allow libgit2 to be compiled with mbedtls3. by@adamharrison in#6759
build: update to latest actions versions by@ethomson in#6765
ctype: cast characters to unsigned when classifying characters by@boretrk in#6679 and@ethomson in#6770
valgrind: suppress OpenSSL warnings by@ethomson in#6769
ci: split SHA256 builds out into their own workflow by@ethomson in#6772