app-shells/mrsh: New Package

Signed-off-by: Haelwenn (lanodan) Monnier <contact@hacktivis.me>

app-shells/mrsh/mrsh-9999.ebuild

@@ -0,0 +1,38 @@
+# Copyright 2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit git-r3 meson
+
+DESCRIPTION="minimal strictly POSIX compliant shell"
+HOMEPAGE="https://mrsh.sh/"
+EGIT_REPO_URI="https://git.sr.ht/~emersion/mrsh"
+LICENSE="MIT"
+SLOT="0"
+
+IUSE="libedit +readline"
+DEPEND="
+	libedit? ( dev-libs/libedit )
+	readline? ( sys-libs/readline:= )
+"
+RDEPEND="${DEPEND}"
+REQUIRED_USE="?? ( libedit readline )"
+
+RESTRICT="test"
+
+src_configure() {
+	local emesonargs=(
+		-Dwerror=false
+		-Dauto_features=disabled
+	)
+
+	if use readline || use libedit; then
+		emesonargs+=(
+			-Dreadline=enabled
+			-Dreadline-provider=$(usev readline || usev libedit)
+		)
+	fi
+
+	meson_src_configure
+}