libgit2/libgit2 v1.2.0 on GitHub

This is release v1.2.0, "Absacker". This release includes many new features: in particular, support for commit graphs, multi-pack indexes, and core.longpaths support.

This is meant to be the final minor release in the v1 lineage. v2.0 will be the next major release and will remove deprecated APIs and may include breaking changes.

New features

winhttp: support optional client cert by @ianhattendorf in #5384
Add support for additional SSH hostkey types. by @arroz in #5750
Handle ipv6 addresses by @ethomson in #5741
zlib: Add support for building with Chromium's zlib implementation by @lhchavez in #5748
commit-graph: Introduce a parser for commit-graph files by @lhchavez in #5762
patch: add owner accessor by @KOLANICH in #5731
commit-graph: Support lookups of entries in a commit-graph by @lhchavez in #5763
commit-graph: Introduce git_commit_graph_needs_refresh() by @lhchavez in #5764
Working directory path validation by @ethomson in #5823
Support core.longpaths on Windows by @ethomson in #5857
git_reference_create_matching: Treat all-zero OID as "must be absent" by @novalis in #5842
diff:add option to ignore blank line changes by @yuuri in #5853
[Submodule] Git submodule dup by @lolgear in #5890
commit-graph: Use the commit-graph in revwalks by @lhchavez in #5765
commit-graph: Introduce git_commit_list_generation_cmp by @lhchavez in #5766
graph: Create git_graph_reachable_from_any() by @lhchavez in #5767
Support reading attributes from a specific commit by @ethomson in #5952
[Branch] Branch upstream with format by @lolgear in #5861
Dynamically load OpenSSL (optionally) by @ethomson in #5974
Set refs/remotes/origin/HEAD to default branch when branch is specified by @A-Ovchinnikov-mx in #6010
midx: Add a way to write multi-pack-index files by @lhchavez in #5404
Use error code GIT_EAUTH for authentication failures by @josharian in #5395
midx: Introduce git_odb_write_multi_pack_index() by @lhchavez in #5405
Checkout dry-run by @J0Nes90 in #5841
mbedTLS: Fix setting certificate directory by @mikezackles in #6004
remote: introduce remote_ready_cb, deprecate resolve_url callback by @ethomson in #6012
Introduce create_commit_cb, deprecate signing_cb by @ethomson in #6016
commit-graph: Add a way to write commit-graph files by @lhchavez in #5778
Add NO_PROXY env support by @sathieu in #5796
Update proxy configuration by @ethomson in #6026

Bug fixes

Define git___load when building with -DTHREADSAFE=OFF by @lhchavez in #5664
Make the Windows leak detection more robust by @lhchavez in #5661
Refactor "global" state by @ethomson in #5546
threadstate: rename tlsdata when building w/o threads by @ethomson in #5668
Include ${MBEDTLS_INCLUDE_DIR} when compiling crypt_mbedtls.c by @staticfloat in #5685
Fix the -DTHREADSAFE=OFF build by @lhchavez in #5690
Add missing worktree_dir check and test case by @rbmclean in #5692
msvc crtdbg -> win32 leakcheck by @ethomson in #5580
Introduce GIT_ASSERT macros by @ethomson in #5327
Also add the raw hostkey to git_cert_hostkey by @lhchavez in #5704
Make the odb race-free by @lhchavez in #5595
Make the pack and mwindow implementations data-race-free by @lhchavez in #5593
Thread-free implementation by @ethomson in #5719
Thread-local storage: a generic internal library (with no allocations) by @ethomson in #5720
Friendlier getting started in the lack of git_libgit2_init by @ethomson in #5578
Make git__strntol64() ~70%* faster by @lhchavez in #5735
Cache the parsed submodule config when diffing by @lhchavez in #5727
pack: continue zlib while we can make progress by @ethomson in #5740
Avoid using __builtin_mul_overflow with the clang+32-bit combo by @lhchavez in #5742
repository: use intptr_t's in the config map cache by @ethomson in #5746
Build with NO_MMAP by @0xdky in #5583
Add documentation for git_blob_filter_options.version by @JoshuaS3 in #5759
blob: fix name of GIT_BLOB_FILTER_ATTRIBUTES_FROM_HEAD by @ethomson in #5760
Cope with empty default branch by @ethomson in #5770
README: instructions for using libgit2 without compiling by @ethomson in #5772
Use p_pwrite/p_pread consistently throughout the codebase by @lhchavez in #5769
midx: Fix a bug in git_midx_needs_refresh() by @lhchavez in #5768
mwindow: Fix a bug in the LRU window finding code by @lhchavez in #5783
refdb_fs: Check git_sortedcache wlock/rlock errors by @mamapanda in #5800
index: Check git_vector_dup error in write_entries by @mamapanda in #5801
Fix documentation formating on repository.h by @punkymaniac in #5806
include: fix typos in comments by @tniessen in #5805
Fix some typos by @aaronfranke in #5797
Check git_signature_dup failure by @mamapanda in #5817
merge: Check insert_head_ids error in create_virtual_base by @mamapanda in #5818
winhttp: skip certificate check if unable to send request by @ianhattendorf in #5814
Default to GIT_BRANCH_DEFAULT if init.defaultBranch is empty string by @ianhattendorf in #5832
Fix diff_entrycount -> diff_num_deltas doc typo by @mjsir911 in #5838
repo: specify init.defaultbranch is meant to be a branch name by @carlosmn in #5835
repo: remove an inappropriate use of PASSTHROUGH by @carlosmn in #5834
src: fix typos in header files by @tniessen in #5843
test: clean up memory leaks by @ethomson in #5858
buf: remove unnecessary buf_text namespace by @ethomson in #5860
Fix bug in git_diff_find_similar. by @staktrace in #5839
Fix issues with Proxy Authentication after httpclient refactor by @implausible in #5852
tests: clean up memory leak, fail on leak for win32 by @ethomson in #5892
Tolerate readlink size less than st_size by @dtolnay in #5900
Define WINHTTP_NO_CLIENT_CERT_CONTEXT if needed by @jacquesg in #5929
Update from regex to pcre licensing information in docs/contributing.md by @boretrk in #5916
Consider files executable only if the user can execute them by @novalis in #5915
git__timer: Limit ITimer usage to AmigaOS4 by @boretrk in #5936
Fix memory leak in git_smart__connect by @punkymaniac in #5908
config: fix included configs not refreshed more than once by @Batchyx in #5926
Fix wrong time_t used in function by @NattyNarwhal in #5938
fix check for ignoring of negate rules by @palmin in #5824
Make FIND_PACKAGE(PythonInterp) prefer python3 by @lhchavez in #5913
git__timer: Allow compilation on systems without CLOCK_MONOTONIC by @boretrk in #5945
stdintification: use int64_t and INT64_C instead of long long by @NattyNarwhal in #5941
Optional stricter allocation checking (for malloc(0) cases) by @ethomson in #5951
Variadic arguments aren't in C89 by @NattyNarwhal in #5948
Fix typo in general.c by @Crayon2000 in #5954
common.h: use inline when compiling for C99 and later by @boretrk in #5953
Fix one memory leak in master by @lhchavez in #5957
tests: reset odb backend priority by @ethomson in #5961
cmake: extended futimens checking on macOS by @ethomson in #5962
amiga: use ';' as path list separator on AmigaOS by @boretrk in #5978
Respect the force flag on refspecs in git_remote_fetch by @alexjg in #5854
Fix LIBGIT2_FILENAME not being passed to the resource compiler by @jairbubbles in #5994
sha1dc: remove conditional for <sys/types.h> by @boretrk in #5997
openssl: don't fail when we can't customize allocators by @ethomson in #5999
C11 warnings by @boretrk in #6005
open: input validation for empty segments in path by @boretrk in #5950
Introduce GIT_WARN_UNUSED_RESULT by @lhchavez in #5802
GCC C11 warnings by @boretrk in #6006
array: check dereference from void * type by @boretrk in #6007
Homogenize semantics for atomic-related functions by @lhchavez in #5747
git_array_alloc: return objects of correct type by @boretrk in #6008
CMake. hash sha1 header has been added. by @lolgear in #6013
tests: change comments to c89 style by @boretrk in #6015
Set Host Header to match CONNECT authority target by @lollipopman in #6022
Fix worktree iteration when repository has no common directory by @kcsaul in #5943

Deprecated APIs

revspec: rename git_revparse_mode_t to git_revspec_t by @ethomson in #5786
tree: deprecate git_treebuilder_write_with_buffer by @ethomson in #5815
Deprecate is_valid_name functions; replace with name_is_valid functions by @ethomson in #5659
filter: stop taking git_buf as user input by @ethomson in #5859
remote: introduce remote_ready_cb, deprecate resolve_url callback by @ethomson in #6012
Introduce create_commit_cb, deprecate signing_cb by @ethomson in #6016
filter: filter drivers stop taking git_buf as user input by @ethomson in #6011
buf: deprecate public git_buf writing functions by @ethomson in #6017

Documentation improvements

Update README.md for additional Delphi bindings by @todaysoftware in #5831
Fix documentation formatting by @punkymaniac in #5850
docs: fix incorrect comment marker by @tiennou in #5897
Patch documentation by @punkymaniac in #5903
Fix misleading doc for git_index_find by @arxanas in #5910
docs: stop mentioning libgit2's "master" branch by @Batchyx in #5925
docs: fix some missing includes that cause Docurium to error out by @tiennou in #5917
Patch documentation by @punkymaniac in #5940

Development improvements

WIP: .devcontainer: settings for a codespace workflow by @ethomson in #5508

CI Improvements

Add a ThreadSanitizer build by @lhchavez in #5597
ci: more GitHub Actions by @ethomson in #5706
ci: run coverity in the nightly builds by @ethomson in #5707
ci: only report main branch in README status by @ethomson in #5708
Fix the ENABLE_WERROR=ON build in Groovy Gorilla (gcc 10.2) by @lhchavez in #5715
Re-enable the RC4 test by @carlosmn in #4418
ci: run codeql by @ethomson in #5709
github-actions: Also rename the main branch here by @lhchavez in #5771
ci: don't use ninja on macOS by @ethomson in #5780
ci: use GitHub for storing mingw-w64 build dependency by @ethomson in #5855
docker: remove the entrypoint by @ethomson in #5980
http: don't require a password by @ethomson in #5972
ci: update nightly to use source path by @ethomson in #5989
ci: add centos 7 and centos 8 by @ethomson in #5992
ci: update centos builds by @ethomson in #5995
ci: tag new containers with the latest tag by @ethomson in #6000

Dependency updates

ntlm: ntlmclient is now v0.9.1

Full Changelog: v1.1.0...v1.2.0

libgit2/libgit2 v1.2.0 libgit2 v1.2.0 on GitHub