(nvim) Add script that injects AI-generated commit messages

private_dot_config/nvim/after/plugin/neoai-extended.lua

@@ -0,0 +1,20 @@
+local inject_commit_message = function()
+	-- `vim.ui.select` function's behavior is asyncronous.
+	--
+	-- So, In order to generate commit message by selected language, 
+	-- we have to place `generate_commit_message` inside of `vim.ui.select` function's callback
+  vim.ui.select(
+    {"korean", "english"},
+    {
+      prompt = "Select language: ",
+    },
+    function(language)
+      if language ~= nil then
+				local prompt = require('utilities.prompt-engineering').generate_commit_message(language)
+				require("neoai").context_inject(prompt, nil)
+      end
+    end
+  )
+end
+
+vim.api.nvim_create_user_command("InjectCommitMessage", inject_commit_message, {})

private_dot_config/nvim/lua/utilities/prompt-engineering.lua

@@ -0,0 +1,21 @@
+local M = {}
+
+M.generate_commit_message = function(language)
+  local prompt = [[
+      Using the following git diff generate a consise and
+      clear git commit message, with a short title summary
+      that is 75 characters or less
+  ]] .. " and you should generate commit message in " .. language .. [[:
+  ]] .. [[
+  ```
+  ]] .. vim.fn.system("git diff --cached")
+  .. [[
+  ```
+  And you shoud give me commit message immediately.
+  And you don't need to explain unnecessary things.
+  ]]
+
+  return prompt
+end
+
+return M