01:31 Adam Weinberger (adamw) 

devel/libgit2: Ensure LOCALBASE/include is in the include path

Add USES=localbase.

[  1% 9/188] cc  -isystem
/wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.7.2/include -isystem
/wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.7.2/src/util -isystem
/wrkdirs/usr/ports/devel/libgit2/work/.build/src/util -D_GNU_SOURCE -O2 -pipe 
-fno-strict-aliasing -Wall -Wextra -fvisibility=hidden -fPIC -Wdocumentation
-Wno-documentation-deprecated-sync -Wno-missing-field-initializers
-Wmissing-declarations -Wstrict-aliasing -Wstrict-prototypes
-Wdeclaration-after-statement -Wshift-count-overflow -Wunused-const-variable
-Wunused-function -Wint-conversion -Wc11-extensions -Wformat -Wformat-security
-O2 -pipe  -fno-strict-aliasing  -DNDEBUG -Wno-sign-compare -MD -MT
deps/xdiff/CMakeFiles/xdiff.dir/xpatience.c.o -MF
deps/xdiff/CMakeFiles/xdiff.dir/xpatience.c.o.d -o
deps/xdiff/CMakeFiles/xdiff.dir/xpatience.c.o -c
/wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.7.2/deps/xdiff/xpatience.c
FAILED: deps/xdiff/CMakeFiles/xdiff.dir/xpatience.c.o
cc  -isystem /wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.7.2/include
-isystem /wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.7.2/src/util -isystem
/wrkdirs/usr/ports/devel/libgit2/work/.build/src/util -D_GNU_SOURCE -O2 -pipe 
-fno-strict-aliasing -Wall -Wextra -fvisibility=hidden -fPIC -Wdocumentation
-Wno-documentation-deprecated-sync -Wno-missing-field-initializers
-Wmissing-declarations -Wstrict-aliasing -Wstrict-prototypes
-Wdeclaration-after-statement -Wshift-count-overflow -Wunused-const-variable
-Wunused-function -Wint-conversion -Wc11-extensions -Wformat -Wformat-security
-O2 -pipe  -fno-strict-aliasing  -DNDEBUG -Wno-sign-compare -MD -MT
deps/xdiff/CMakeFiles/xdiff.dir/xpatience.c.o -MF
deps/xdiff/CMakeFiles/xdiff.dir/xpatience.c.o.d -o
deps/xdiff/CMakeFiles/xdiff.dir/xpatience.c.o -c
/wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.7.2/deps/xdiff/ xpatience.c
In file included from
/wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.7.2/deps/xdiff/xpatience.c:22:
In file included from
/wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.7.2/deps/xdiff/xinclude.h:26:
In file included from
/wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.7.2/deps/xdiff/git-xdiff.h:17:
/wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.7.2/src/util/regexp.h:19:11:
fatal error: 'pcre2.h' file not found
 # include <pcre2.h>
           ^~~~~~~~~
1 error generated.

    5a69132

13:22 Matthias Fechner (mfechner) 

devel/libgit2: security update to 1.7.2

Changelog:
https://github.com/libgit2/libgit2/releases/tag/v1.7.2

MFH:		2024Q1
Security:	43768ff3-c683-11ee-97d0-001b217b3468

    dee2d48

13:10 Matthias Fechner (mfechner) 

devel/libgit2: update to 1.7.1

Including direct dependencies.
Changelog:
https://github.com/libgit2/libgit2/releases

    2c68245

05:48 Matthias Fechner (mfechner) 

devel/libgit2: fix build problem with openssl3 and libressl

Make cmake aware of the selected ssl lib
PR:		273609

    44751f5

10:34 Matthias Fechner (mfechner) 

devel/libgit2: update to 1.6.4

Required for gitlab-ce 16.3.
Bump of pending ports will be done in another commit.

Changelog:
https://github.com/libgit2/libgit2/tags

    f11ed41

19:23 Dimitry Andric (dim) 

devel/libgit2: fix build with clang 16

Clang 16 has a new error about incompatible function types, which shows
up when building devel/libgit2:

  /wrkdirs/usr/ports/devel/libgit2/work/libgit2-1.5.2/src/util/util.c:731:28:
error: incompatible function pointer types passing 'int (void *, const void *,
const void *)' to parameter of type 'int (*)(const void *, const void *, void
*)' [-Wincompatible-function-pointer-types]
          qsort_s(els, nel, elsize, git__qsort_r_glue_cmp, &glue);
                                    ^~~~~~~~~~~~~~~~~~~~~
  /usr/include/stdlib.h:397:11: note: passing argument to parameter here
      int (*)(const void *, const void *, void *), void *);
            ^

Clang is indeed right, as the version of qsort_s(3) in FreeBSD 13 and
later has the 'void *payload' parameter last:

  errno_t  qsort_s(void *, rsize_t, rsize_t,
      int (*)(const void *, const void *, void *), void *);

This could be fixed by putting the arguments in the right place for
qsort_s(3), but it turns out the rabbit hole goes a bit deeper: on
14-CURRENT, libgit2's CMake configuration is not able to detect
qsort_r(3), which is actually why it chooses qsort_s():

  -- Checking prototype qsort_r for GIT_QSORT_R_BSD
  -- Checking prototype qsort_r for GIT_QSORT_R_BSD - False
  -- Checking prototype qsort_r for GIT_QSORT_R_GNU
  -- Checking prototype qsort_r for GIT_QSORT_R_GNU - False
  -- Looking for qsort_s
  -- Looking for qsort_s - found

The problem with the GIT_QSORT_R_BSD detection is due to the check in
libgit2's src/CMakeLists.txt, where it does:

  check_prototype_definition(qsort_r
          "void qsort_r(void *base, size_t nmemb, size_t size, void
          *thunk, int (*compar)(void *, const void *, const void *))"
          "" "stdlib.h" GIT_QSORT_R_BSD)

and CMake attempts to define a function with a similar prototype in its
test program, which then fails to compile, at least on 14-CURRENT:

 
/wrkdirs/share/dim/ports/devel/libgit2/work/.build/CMakeFiles/CMakeScratch/TryCompile-tILE28/CheckPrototypeDefinition.c:14:6:
  error: expected identifier or '('
  void qsort_r(void *base, size_t nmemb, size_t size, void *thunk, int
  (*compar)(void *, const void *, const void *)) {
       ^
  /usr/include/stdlib.h:357:5: note: expanded from macro 'qsort_r'
      __generic(arg5, int (*)(void *, const void *, const void *),
       \\
      ^
  /usr/include/sys/cdefs.h:323:2: note: expanded from macro '__generic'
          _Generic(expr, t: yes, default: no)
          ^

This is because in https://cgit.freebsd.org/src/commit/?id=af3c78886fd8d
Ed Schouten changed the prototype of qsort_r(3) to match POSIX, using a
C11 _Generic macro. When CMake tries to compile its own custom
definition of qsort_r, that fails with the above compile error, because
the macro gets expanded in place of the function declaration.

So the summarized situation is:

* On 12.x and 13.x, qsort_r(3) is a plain function, and uses the old
  comparison function type: 'int (*compar)(void *thunk, const void
  *elem1, const void *elem2)'.
  Therefore, CMake detects GIT_QSORT_R_BSD, and libgit2's
  src/util/util.c uses the correct comparison function type.
* On 14.x, qsort_r(3) is a macro, and uses the POSIX comparison function
  type: 'int (*compar)(const void *elem1, const void *elem2, void *thunk)'.
  Therefore, CMake fails to detect GIT_QSORT_R_BSD, and detects
  GIT_QSORT_S instead, and libgit2's src/util/util.c uses an incorrect
  comparison function type.

I submitted https://github.com/libgit2/libgit2/pull/6555 and
https://github.com/libgit2/libgit2/pull/6558 upstream to remedy the
situation and correctly detect all qsort variants, and these were merged
with a few minor changes.

This is an adjusted version of the upstream commits that applies on top
of libgit-1.5.2.

PR:		271234
Approved by:	mfechner (maintainer)
MFH:		2023Q2

    a62f1b5

07:44 Matthias Fechner (mfechner) 

devel/libgit2: update to 1.5.2

Changelog:
This is a bugfix release to improve the SSH key handling functionality that was
introduced in v1.5.1.

    libgit2 can now read the known_hosts file on Windows.
    libgit2 will now examine all keys for a particular host in the known_hosts
file for matches, to support remote hosts with multiple key types.

All users of the v1.5 release line are recommended to upgrade.

https://github.com/libgit2/libgit2/blob/v1.5.2/docs/changelog.md

    1195af7

07:18 Matthias Fechner (mfechner) 

devel/libgit2: update to 1.5.1

Changelog:
https://github.com/libgit2/libgit2/releases/tag/v1.5.1

    86cac20

08:13 Matthias Fechner (mfechner)  Author: Daniel Engberg

devel/libgit2: only build test suite when we request it and adjust tests

There's still one failure that seems to be occurring if you're running as
root [1] and I'm unable to work out where and/or if upstream ever fixed this
test.

References:
https://github.com/archlinux/svntogit-packages/blob/packages/libgit2/trunk/PKGBUILD
1: https://github.com/libgit2/libgit2/issues/6307

PR:		268572

    bc220a9

14:31 Adam Weinberger (adamw) 

devel/libgit2: Add python as a build dep to fix NINJA_DEFAULT=samurai

Normally, python is brought in from ninja. When NINJA_DEFAULT=samurai,
that dependency is missing.

-- Could NOT find PythonInterp (missing: PYTHON_EXECUTABLE)
CMake Error at tests/libgit2/CMakeLists.txt:7 (message):
  Could not find a python interpreter, which is needed to build the tests.
  Make sure python is available, or pass -DBUILD_TESTS=OFF to skip building
  the tests

Note that python is only used to build tests, so no PORTREVISION bump is
needed here.

    677e3e5

09:38 Matthias Fechner (mfechner) 

devel/libgit2: update to 1.5.0

Changelog:
https://github.com/libgit2/libgit2/releases/tag/v1.5.0

    e245ebd

21:10 Stefan Eßer (se) 

Add WWW entries to port Makefiles

It has been common practice to have one or more URLs at the end of the
ports' pkg-descr files, one per line and prefixed with "WWW:". These
URLs should point at a project website or other relevant resources.

Access to these URLs required processing of the pkg-descr files, and
they have often become stale over time. If more than one such URL was
present in a pkg-descr file, only the first one was tarnsfered into
the port INDEX, but for many ports only the last line did contain the
port specific URL to further information.

There have been several proposals to make a project URL available as
a macro in the ports' Makefiles, over time.

This commit implements such a proposal and moves one of the WWW: entries
of each pkg-descr file into the respective port's Makefile. A heuristic
attempts to identify the most relevant URL in case there is more than
one WWW: entry in some pkg-descr file. URLs that are not moved into the
Makefile are prefixed with "See also:" instead of "WWW:" in the pkg-descr
files in order to preserve them.

There are 1256 ports that had no WWW: entries in pkg-descr files. These
ports will not be touched in this commit.

The portlint port has been adjusted to expect a WWW entry in each port
Makefile, and to flag any remaining "WWW:" lines in pkg-descr files as
deprecated.

Approved by:		portmgr (tcberner)

    b7f0544

06:36 Matthias Fechner (mfechner) 

devel/libgit2: security update to 1.3.2

Changelog:
https://github.com/libgit2/libgit2/releases/tag/v1.3.2

This is a security release with multiple changes.

    This provides compatibility with git's changes to address CVE 2022-29187. As
a follow up to CVE 2022-24765, now not only is the working directory of a
non-bare repository examined for its ownership, but the .git directory and the
.git file (if present) are also examined for their ownership.

    A fix for compatibility with git's (new) behavior for CVE 2022-24765 allows
users on POSIX systems to access a git repository that is owned by them when
they are running in sudo.

    A fix for further compatibility with git's (existing) behavior for CVE
2022-24765 allows users on Windows to access a git repository that is owned by
the Administrator when running with escalated privileges (using runas
Administrator).

    The bundled zlib is updated to v1.2.12, as prior versions had memory
corruption bugs. It is not known that there is a security vulnerability in
libgit2 based on these bugs, but we are updating to be cautious.

MFH:		2022Q3

    de1569c

07:52 Matthias Fechner (mfechner) 

devel/libgit2: update to 1.3.1

Validate repository directory ownership (v1.3) by @ethomson in #6268

Changelog:
https://github.com/libgit2/libgit2/releases/tag/v1.3.1

    851b2ce

12:07 Matthias Fechner (mfechner)  Author: Daniel Engberg

devel/libgit2: Update to 1.3.0

Use DISTVERSION and USE_GIT to follow Porter's Handbook more closely
Use PCRE2 by default instead of PCRE(1)
Use http-parser library from ports rather than bundled version as per
recommendation in Porter's Handbook
Import patch to remove incompatible tests

Reference:
https://github.com/archlinux/svntogit-packages/blob/packages/libgit2/trunk/libgit2-1.2.0-remove_http-parse_incompatible_tests.patch
(see commit history)

PR:		258484

    5c8d1c2

21:18 Bernhard Froehlich (decke) 

devel/libgit2: Add CPE information

Approved by:	portmgr (blanket)

    cf0bd6f

06:40 Matthias Fechner (mfechner)  Author: Yuri Victorovich

devel/libgit2: Update to 1.1.1

Changelog:
https://github.com/libgit2/libgit2/releases/tag/v1.1.1

    44c43aa

08:09 Mathieu Arnold (mat) 

One more small cleanup, forgotten yesterday.
Reported by:	lwhsu

    cf118cc

14:31 Mathieu Arnold (mat) 

Remove # $FreeBSD$ from Makefiles.

    305f148

13:23 Matthias Fechner (mfechner) 

Fixed build problem if base SSL is used.
PR:		252098

    d2b6fce

09:43 Matthias Fechner (mfechner) 

Removed svn keywords again.
They went in by accident while merging older commits.
Reported by:	jbeich

    1b802f4

07:51 Matthias Fechner (mfechner) 

Update libgit2 to 1.1.0.
This update is also required for www/gitlab-ce 13.10 upgrade.

Changelog:
https://github.com/libgit2/libgit2/releases/tag/v1.1.0

PR:		252098

    e7d94d4

11:49 tobik 

devel/libgit2: Update to 1.0.1

Changes:	https://github.com/libgit2/libgit2/releases/tag/v1.0.1
Changes:	https://github.com/libgit2/pygit2/blob/v1.2.1/CHANGELOG.rst#121-2020-05-01
Approved by:	mfechner (maintainer)
Differential Revision:	https://reviews.freebsd.org/D25341

 

03:55 tobik 

devel/libgit2: Update to 1.0.0

Changes:	https://github.com/libgit2/libgit2/releases/tag/v1.0.0
ABI:		https://abi-laboratory.pro/tracker/timeline/libgit2
Approved by:	mfechner (maintainer)
Differential Revision:	https://reviews.freebsd.org/D24471

 

05:47 tobik 

devel/libgit2: Update to 0.99.0

- Switch to the release tarballs libgit2 now publishes
- Drop CURL option since it is no longer used
- Use system libpcre instead of the bundled one
- Hook up tests
- Bump consumers for ABI changes

Changes:	https://github.com/libgit2/libgit2/releases/tag/v0.99.0
ABI:		https://abi-laboratory.pro/tracker/timeline/libgit2/

 

08:14 mfechner 

devel/libgit2 security upgrade to 0.28.4.
Changelog:
https://github.com/libgit2/libgit2/releases/tag/v0.28.4

MFH:		2019Q4

 

18:04 mfechner 

devel/libgit2: security upgrade to 0.28.3.

PR:		239932
Submitted by:	tobik
Approved by:	mfechner
MFH:		2019Q3
Security:	d51b52cf-c199-11e9-b13f-001b217b3468

 

07:59 mfechner 

Make portlint happy.
Updated version bump node (reported by tijl).

 

17:04 mfechner 

Added a small note to bump revision using small script I just added.

 

17:41 mfechner 

Upgrade to version 0.28.1.
Changelog:
https://github.com/libgit2/libgit2/releases

 

14:13 mfechner 

Upgrade devel/libgit2 to 0.27.8 and required ports.

Reported by:	PORTSCOUT, swills

 

16:12 mfechner 

Upgrade to 0.27.7.

Approved by:	mentors (implicit)

 

16:14 mfechner 

Security update of devel/libgit2 and depending ports to fix seceurity
vulnerabilities.
For more details see here:
https://github.com/libgit2/libgit2/releases/tag/v0.27.5

Approved by:	mentors (implicit)
MFC after:	1d
MFH:		2018Q4
Security:	8c08ab4c-d06c-11e8-b35c-001b217b3468

 

19:04 mfechner 

Update devel/libgit2 and devel/rubygem-rugged to 0.27.4 which is required for
gitlab-ce 11.2.x.

Approved by:	mentors (implicit)

 

16:30 mfechner 

Update to 0.27.3 which fixes some security vulnerabilities.

Reviewed by:	swills (mentor)
Approved by:	swills (mentor)
MFH:		2018Q3
Security:	3c9b7698-84da-11e8-8c75-d8cb8abf62dd
Differential Revision:	https://reviews.freebsd.org/D16225

 

06:53 mfechner 

Update libgit2 to 0.27.2 and removed obsolete patches from it as it is fixed
upstream now.
Update devel/rubygem-rugged to 0.27.2 and took maintainer-ship for it as it is a
core module required for gitlab.
Added comment suggest by mat that some ports should be updated together.

Reviewed by:	mat, swills (mentor)
Approved by:	swills (mentor)
Differential Revision:	https://reviews.freebsd.org/D15901

 

05:21 mfechner 

Took maintainer (approved by wg).
Security update to 0.27.1.

Reviewed by:	wg (maintainer), tz (mentor)
Approved by:	wg (maintainer), tz (mentor)
MFH:		2018Q2
Differential Revision:	https://reviews.freebsd.org/D15654

 

12:21 rakuco 

devel/libgit2-glib: Unbreak with libgit2 0.27.

The fix is two-fold:
* Adjust the path for the sed call in devel/libgit2 so that we leave out
  openssl from libgit2.pc's Requires.private line, otherwise libgit2-glib will
  look for openssl.pc, which does not exist when OpenSSL from base is used.

* Reset libgit2-glib back to 0.26, and import a patch both Arch Linux and
  openSUSE have been carrying to fix the build with libgit2 0.27. PORTEPOCH was
  not set because there is no libgit2-glib 0.27 and no package could have
  possibly been built after r469930.

Approved by:	mfechner, gnome (kwm)
Differential Revision:	https://reviews.freebsd.org/D15437

 

17:34 mfechner 

Update devel/libgit2 to 0.27.0 required for gitlab 10.7.x
Updated patches to match new file locations.

Reviewed by:	swills (mentor), wg (maintainer)
Approved by:	swills (mentor), wg (maintainer)
Differential Revision:	https://reviews.freebsd.org/D15320

 

15:58 tz 

devel/libgit2: Update from 0.25.1 to 0.26.0

Changelog: https://github.com/libgit2/libgit2/blob/v0.26.0/CHANGELOG.md

Submitted by: Matthias Fechner <idefix@fechner.net>
Approved by:  wg

 

22:34 wg 

devel/libgit2: fix build with libressl

PR:		219362
Submitted by:	tobik

 

12:59 wg 

devel/libgit2: update to 0.25.1

 

14:45 mat 

Remove all USE_OPENSSL occurrences.

Sponsored by:	Absolight

 

16:00 linimon 

Now builds on sparc64.

Approved by:	portmgr (tier-2 blanket)

 

15:21 mat 

Use USES=pathfix where applicable.

PR:		213195
Submitted by:	mat
Exp-run by:	antoine
Sponsored by:	Absolight
Differential Revision:	https://reviews.freebsd.org/D8093

 

13:23 mat 

Fix usage of WITH_OPENSSL_BASE, WITH_OPENSSL_PORT and OPENSSL_PORT.

WITH_OPENSSL_* can't be set after bsd.port.pre.mk.
Fold all other usage into using SSL_DEFAULT == foo

PR:		210149
Submitted by:	mat
Exp-run by:	antoine
Sponsored by:	The FreeBSD Foundation, Absolight
Differential Revision:	https://reviews.freebsd.org/D6577

 

14:00 mat 

Remove ${PORTSDIR}/ from dependencies, categories d, e, f, and g.

With hat:	portmgr
Sponsored by:	Absolight

 

05:24 miwi 

- Update to 0.24.0

PR:		207792
Submitted by:	Torsten Zuehlsdorff
Approved by:	maintainer implicit

 

16:04 sunpoet 

- Update to 0.23.4
- Use BROKEN_sparc64
- Fix space with tab

Changes:	https://github.com/libgit2/libgit2/releases
PR:		204862
Submitted by:	sunpoet (myself)
Approved by:	wg (maintainer)

 

20:48 kwm 

Update libgit2 to 0.23.1.

Add curl option for HTTP support.

Submitted by:	Andrey Cherkashin <andoriyu@gmail.com>
Approved by:	wg@
Differential Revision:	https://reviews.freebsd.org/D3494

 

15:09 kwm 

Update libgit2 to 0.22.3.

Approved by:	maintainer (implicit)

 

20:56 kwm 

Update libgit2 to 0.22.1. [1]
Update libgit2-glib to 0.22.8.
Update gitg to 3.16.1.
Update py-pygit2 to 0.22.0. [1][3]
Update rubygem-rugged to 0.22.1b1. [2]

This is done in one commit due to API/ABI breakage in libgit2.

PR:		196176	(based on)
Differential Revision:	https://reviews.freebsd.org/D2468
Submitted by:	lightside@gmx.com
Approved by:	maintainer (wg@ blanked) [1], ruby (swills@)[2]
Reviewed by:	koobs@ [3]

 

15:16 mat 

Update ports in the [bcd]* categories to not use GH_COMMIT.

With minor cleanups to make things simpler.

With hat:	portmgr
Sponsored by:	Absolight

 

11:01 wg 

devel/libgit2: add THREADS option and make it default

PR:		196662
Submitted by:	rm

 

14:09 wg 

devel/libgit2: update to 0.21.1

- USES python:build

 

16:34 wg 

devel/libgit2: update to 0.21.0

 

13:11 wg 

devel/libgit2: fix pkgconfig file and missing dependency

PR:		ports/185892
Submitted by:	amdmi3

 

16:31 wg 

devel/libgit2: update to 0.20.0

 

11:54 wg 

devel/libgit2: allows stating

- Allows staging out of the box

 

17:13 bapt 

Add NO_STAGE all over the place in preparation for the staging support (cat:
devel part 3)

 

22:35 ak 

- Remove MAKE_JOBS_SAFE variable

Approved by:	portmgr (bdrewery)

 

16:34 wg 

devel/libgit2: update to 0.19.0

- Update to 0.19.0

Changes:
https://github.com/libgit2/libgit2/releases/tag/v0.19.0

 

22:22 wg 

devel/libgit2: update to 0.18.0

- Update to 0.18.0
- Take maintainership

 

17:32 bapt 

Back to the pool

 

19:12 bapt 

Fix USE_GITHUB in combinaison with MASTER_SITE= GHC which breaks WRKSRC

PR:		ports/177316
Submitted by:	William Grzybowski <william88@gmail.com>
Reported by:	miwi

 

20:06 makc 

- convert USE_CMAKE to USES
- while here clean up some ports from CMAKE_VERBOSE, which is intended
  for users

Approved by:	portmgr (miwi)

 

11:53 bapt 

Switch to USE_GITHUB
Trim headers

 

12:02 bapt 

- update to 0.17.0

PR:		ports/168705
Submitted by:	sunpoet

08:25 bapt 

Add the forgotten bump portrevision

Submitted by:   osa (private mail)
Feature safe:   yes

11:42 bapt 

- update to 0.16.0

Feature safe:   yes

03:26 rakuco 

Remove CMAKE_USE_PTHREAD from the ports using it.

This setting has not had any effect since r1.13 to bsd.cmake.mk, as it
was only useful when we supported FreeBSD < 7.

Approved by:    avilla (mentor), portmgr (miwi)
Feature safe:   yes

06:41 bapt 

- update to 0.15.0

05:21 linimon 

Mark as broken on sparc64: thread-local storage not supported.

10:36 bapt 

- update to 0.14.0

11:24 bapt 

- update to 0.13.0
- switch to cmake

09:45 bapt 

libgit2 is...

licensed under a very permissive license so you can use it anywhere
faster than any other Git library
written in standards compilant C99
completely multi-platform: Windows, Linux, Mac OS X, xBSD
compiled natively under all platforms (yes, even MSVC on Windows)
re-entrant, with sane error handling
designed with a solid and consistent API
available as bindings for all major scripting languages

WWW:    http://libgit2.github.com/