CI: Build neovim in separate stage

.github/workflows/ci.yml

@@ -2,7 +2,7 @@
 
 name: CI
 
-# Controls when the action will run. 
+# Controls when the action will run.
 on:
   # Triggers the workflow on push or pull request events but only for the main branch
   push:
@@ -51,5 +51,8 @@ jobs:
             pkg-config \
             unzip
 
-      - name: Run test
+      - name: Build Neovim
+        run: make neovim
+
+      - name: Run Test
         run: make test

Makefile

@@ -10,13 +10,16 @@ BUSTED_ARGS = \
 
 TEST_FILE = $(PJ_ROOT)/test/gitsigns_spec.lua
 
+neovim:
+	git clone --depth 1 https://github.com/neovim/neovim
+	make -C $@
+
+plenary.nvim:
+	git clone --depth 1 https://github.com/nvim-lua/plenary.nvim
+
 .PHONY: test
-test:
+test: neovim plenary.nvim
 	@git reset test/dummy.txt > /dev/null
-	@[ -d plenary.nvim ] || \
-		git clone --depth 1 https://github.com/nvim-lua/plenary.nvim
-	@[ -d neovim ] || \
-		git clone --depth 1 https://github.com/neovim/neovim
 	make -C neovim functionaltest \
 		BUSTED_ARGS="$(BUSTED_ARGS)" \
 		TEST_FILE="$(TEST_FILE)"