add libgit2 component

component/libgit2/0001-prefer-use-python-3-for-tests.patch

+From 386b9a90dec9be74a271258833acb8c7ae993eed Mon Sep 17 00:00:00 2001
+From: Alain Takoudjou <alain.takoudjou@nexedi.com>
+Date: Tue, 23 Apr 2024 20:51:04 +0200
+Subject: [PATCH] prefer use python 3 for tests
+
+---
+ tests/CMakeLists.txt | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
+index 6f8a18ec0..04ccf99e7 100644
+--- a/tests/CMakeLists.txt
++++ b/tests/CMakeLists.txt
+@@ -1,3 +1,4 @@
++set(Python_ADDITIONAL_VERSIONS 3 2.7)
+ FIND_PACKAGE(PythonInterp)
+ 
+ IF(NOT PYTHONINTERP_FOUND)
+-- 
+2.42.0
+

component/libgit2/buildout.cfg

+[buildout]
+extends =
+  ../defaults.cfg
+  ../cmake/buildout.cfg
+  ../openssl/buildout.cfg
+  ../pkgconfig/buildout.cfg
+  ../pcre/buildout.cfg
+  ../xz-utils/buildout.cfg
+  ../zlib/buildout.cfg
+
+parts = libgit2
+
+[libgit2]
+recipe  = slapos.recipe.cmmi
+url = https://github.com/libgit2/libgit2/archive/refs/tags/v${:version}.tar.gz
+md5sum = 9f4ca15249e703ab88cbc929187750cd
+version = 1.1.0
+shared = true
+configure-command =
+  cmake
+configure-options =
+  -Bbuild
+  -DCMAKE_BUILD_TYPE=Release
+  -DCMAKE_INSTALL_PREFIX=@@LOCATION@@
+  -DCMAKE_C_FLAGS="-I${openssl:location}/include -I${zlib:location}/include -I${pcre:location}/include"
+  -DCMAKE_INSTALL_RPATH=${zlib:location}/lib:${openssl:location}/lib:${pcre:location}/lib
+  -G"Unix Makefiles"
+patch-options = -p1
+patches =
+  ${:_profile_base_location_}/0001-prefer-use-python-3-for-tests.patch#6f2a6e83db45b33fc7da86279f06595b
+
+make-options = -C build
+environment =
+  PKG_CONFIG_PATH=${openssl:location}/lib/pkgconfig:${zlib:location}/lib/pkgconfig:${xz-utils:location}/lib/pkgconfig
+  PATH=${python3:location}/bin:${pkgconfig:location}/bin:${cmake:location}/bin:%(PATH)s
+  LDFLAGS=-L${openssl-1.0:location}/lib -Wl,-rpath=${openssl:location}/lib -L${pcre:location}/lib -Wl,-rpath=${pcre:location}/lib