new package: elvish

Requested in https://github.com/termux/termux-packages/issues/4140.

packages/elvish/build.sh

@@ -0,0 +1,24 @@
+TERMUX_PKG_HOMEPAGE=https://github.com/elves/elvish
+TERMUX_PKG_DESCRIPTION="A friendly and expressive Unix shell"
+TERMUX_PKG_LICENSE="BSD 2-Clause"
+TERMUX_PKG_VERSION=0.12
+TERMUX_PKG_SRCURL=https://github.com/elves/elvish/archive/v$TERMUX_PKG_VERSION.tar.gz
+TERMUX_PKG_SHA256=edd03f4acf50beb03a663804e4da8b9d13805d471245c47c1b71f24c125cb9a2
+
+termux_step_make() {
+	termux_setup_golang
+
+	export GOPATH=$TERMUX_PKG_BUILDDIR
+	mkdir -p "$GOPATH"/src/github.com/elves
+	ln -sf "$TERMUX_PKG_SRCDIR" "$GOPATH"/src/github.com/elves/elvish
+
+	cd "$GOPATH"/src/github.com/elves/elvish
+	go get -d -v github.com/elves/elvish
+	go build
+}
+
+termux_step_make_install() {
+	install -Dm700 \
+		"$GOPATH"/src/github.com/elves/elvish/elvish \
+		"$TERMUX_PREFIX"/bin/elvish
+}