app-emacs/git-modes: add live version

Signed-off-by: Maciej Barć <xgqt@gentoo.org>

app-emacs/git-modes/git-modes-9999.ebuild

@@ -0,0 +1,33 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit elisp
+
+DESCRIPTION="Emacs major modes for editing Git configuration files"
+HOMEPAGE="https://github.com/magit/git-modes/"
+
+if [[ ${PV} == *9999* ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/magit/${PN}.git"
+else
+	SRC_URI="https://github.com/magit/${PN}/archive/${PV}.tar.gz
+		-> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~x86"
+fi
+
+LICENSE="GPL-3+"
+SLOT="0"
+
+RDEPEND=">=app-emacs/compat-29.1.4.1"
+BDEPEND="${RDEPEND}"
+
+DOCS=( README.org )
+SITEFILE="50${PN}-gentoo.el"
+
+src_compile() {
+	elisp_src_compile
+
+	elisp-make-autoload-file
+}