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diff --git a/app-emacs/lean-mode/lean-mode-20220124.ebuild b/app-emacs/lean-mode/lean-mode-20220124.ebuild
new file mode 100644
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+++ b/app-emacs/lean-mode/lean-mode-20220124.ebuild
@@ -0,0 +1,38 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+H=c1c68cc946eb31b6ba8faefdceffce1f77ca52df
+NEED_EMACS=24.3
+
+inherit elisp
+
+DESCRIPTION="Emacs mode for the Lean 3 theorem prover"
+HOMEPAGE="https://github.com/leanprover/lean-mode/"
+SRC_URI="https://github.com/leanprover/${PN}/archive/${H}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/${PN}-${H}"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="~amd64"
+
+DEPEND="
+	>=app-emacs/dash-2.18.1
+	>=app-emacs/f-0.19.0
+	>=app-emacs/flycheck-32
+	>=app-emacs/s-1.10.0
+"
+RDEPEND="
+	${DEPEND}
+	sci-mathematics/lean:0/3
+"
+
+DOCS=( README.md )
+SITEFILE="50${PN}-gentoo.el"
+
+src_prepare() {
+	rm {company,helm}-lean.el || die
+
+	elisp_src_prepare
+}