dev-libs/libgit2: Bump to 1.6.4

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-libs/libgit2/Manifest

@@ -1,3 +1,4 @@
 DIST libgit2-1.5.1.tar.gz 5895483 BLAKE2B 4df80216523f4065e46c1ce99fd0747d2f8516571691c8c2b5638e32c805f5ce08d3add769e6d5ce29ac69b35419db82ce56c6b3019e70573c4ad63aca2e440d SHA512 04cf389e30cd9fb787704e3c8997acaaeea5c13e1e2f9eaf9f5598d35c2e85f3cf04b47312cae9e7278236ecb089c2d33addd852e38d3c7d2daa87929b077f39
 DIST libgit2-1.5.2.tar.gz 5896845 BLAKE2B b89c48c953d8804c1ea1997e0c81f45aeb66f87a7cad100069dc3a8364e0658f6d6e41e49adf123cc950b2da46f805aa05f07af234990f62aa78d38d5e8e78d5 SHA512 0de5e82953482bf57e9cd221406581a12c6acfbeeea0cebbb9b701d288804ec085b7c0902ba1f04ad7cdaaead9d472be21ffe8d730050db5c77101a93448fb3a
 DIST libgit2-1.6.3.tar.gz 6666855 BLAKE2B c0a588e962c182c09b91e257760484bc0ebf2ab07fdd89b7b90db1dd6749d7fb65b8e3fcd20e8a46a6381038aeac8759161dc409be36eadc776a55d74290e59c SHA512 5a390030395d5e00217ca3229ff1374f064b41c7c14c332618778af7067c378bca5ffee5c072ad144a71126f7e8cfcd770746b6af8eccf086c8a8b8afa1733f1
+DIST libgit2-1.6.4.tar.gz 6666964 BLAKE2B 103af9ea9ed1310b1066a48859bbefc162647d787519bb3df83d7ea1957cda5934537271970d3d180f91daa6edc3bbc05387d6293812f0d849dda966419d29ba SHA512 fd73df91710f19b0d6c3765c37c7f529233196da91cf4d58028a8d3840244f11df44abafabd74a8ed1cbe4826d1afd6ff9f01316d183ace0924c65e7cf0eb8d5

dev-libs/libgit2/libgit2-1.6.4.ebuild

@@ -0,0 +1,69 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{9..11} )
+inherit cmake python-any-r1
+
+DESCRIPTION="A linkable library for Git"
+HOMEPAGE="https://libgit2.org/"
+SRC_URI="
+	https://github.com/${PN}/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz
+"
+S=${WORKDIR}/${P/_/-}
+
+LICENSE="GPL-2-with-linking-exception"
+SLOT="0/$(ver_cut 1-2)"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~ppc-macos"
+IUSE="examples gssapi +ssh test +threads trace"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	dev-libs/libpcre2:=
+	net-libs/http-parser:=
+	sys-libs/zlib
+	dev-libs/openssl:0=
+	gssapi? ( virtual/krb5 )
+	ssh? ( net-libs/libssh2 )
+"
+DEPEND="
+	${RDEPEND}
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	virtual/pkgconfig
+"
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_TESTS=$(usex test)
+		-DUSE_SSH=$(usex ssh)
+		-DUSE_GSSAPI=$(usex gssapi ON OFF)
+		-DUSE_HTTP_PARSER=system
+		-DREGEX_BACKEND=pcre2
+	)
+	cmake_src_configure
+}
+
+src_test() {
+	if [[ ${EUID} -eq 0 ]] ; then
+		# repo::iterator::fs_preserves_error fails if run as root
+		# since root can still access dirs with 0000 perms
+		ewarn "Skipping tests: non-root privileges are required for all tests to pass"
+	else
+		local TEST_VERBOSE=1
+		cmake_src_test -R offline
+	fi
+}
+
+src_install() {
+	cmake_src_install
+	dodoc docs/*.{md,txt}
+
+	if use examples ; then
+		find examples -name '.gitignore' -delete || die
+		dodoc -r examples
+		docompress -x /usr/share/doc/${PF}/examples
+	fi
+}