dev-scheme/guile-git: raise lower boutnd of libgit to 1

It's not clear why old libgit2 crashes, but upgrading
to newer one helps. Let's encode it in dependencies.

Reported-by: Marcel Schilling
Bug: https://github.com/trofi/nix-guix-gentoo/issues/7
Package-Manager: Portage-2.3.100, Repoman-2.3.22
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

dev-scheme/guile-git/guile-git-0.3.0-r1.ebuild

@@ -0,0 +1,47 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+DESCRIPTION="Guile bindings of git"
+HOMEPAGE="https://gitlab.com/guile-git/guile-git"
+SRC_URI="https://gitlab.com/guile-git/guile-git/uploads/4c563d8e7e1ff84396abe8ca7011bcaf/guile-git-${PV}.tar.gz"
+
+LICENSE="LGPL-3+"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+# older libgit seems to be incompatible with guile-git bindings
+# https://github.com/trofi/nix-guix-gentoo/issues/7
+RDEPEND="
+	>=dev-scheme/guile-2.0.11:=
+	dev-scheme/bytestructures
+	>=dev-libs/libgit2-1:=
+"
+DEPEND="${RDEPEND}"
+
+RESTRICT=test # Tets suite needs a fix: https://gitlab.com/guile-git/guile-git/issues/18
+
+# guile generates ELF files without use of C or machine code
+# It's a portage's false positive. bug #677600
+QA_FLAGS_IGNORED='.*[.]go'
+
+src_prepare() {
+	default
+
+	# guile is trying to avoid recompilation by checking if file
+	#     /usr/lib64/guile/2.2/site-ccache/<foo>
+	# is newer than
+	#     <foo>
+	# In case it is instead of using <foo> guile
+	# loads system one (from potentially older version of package).
+	# To work it around we bump last modification timestamp of
+	# '*.scm' files.
+	# http://debbugs.gnu.org/cgi/bugreport.cgi?bug=38112
+	find "${S}" -name "*.scm" -exec touch {} + || die
+}
+
+src_test() {
+	emake check VERBOSE=1
+}