Added dependency on babashka.fs and babashka.cli.

Introduced functions to find git repository and read/write commit message.
Modified response processing to append to COMMIT_EDITMSG and open in editor.

aicommit.clj

@@ -0,0 +1,52 @@
+#!/usr/bin/env bb
+
+(require  '[babashka.curl :as curl]
+          '[babashka.process :as p]
+          '[cheshire.core :as json]
+          '[babashka.fs :as fs]
+          '[babashka.cli :as cli])
+
+(def url "https://api.groq.com/openai/v1/chat/completions")
+
+(def system-msg "
+You are an expert programmer that values clear, unambiguous communication and are specialized in generating concise and informative git commit messages. 
+Your task is to generate a concise, informative git commit message based on the following git diff.
+Be sure that the commit message reflects the entire diff.
+It is very important that the entire commit is clear and understandable.
+Only reply with the commit message and nothing else.
+")
+
+(def diff (:out (p/check (p/sh "git" "diff" "--cached"))))
+
+(defn find-git
+  [dir]
+  (loop [d dir]
+    (if (fs/directory? (fs/path d ".git"))
+      (fs/path d ".git")
+      (recur (fs/parent d)))))
+
+(def commit-message-path (fs/unixify (fs/path (find-git (fs/cwd)) "COMMIT_EDITMSG")))
+
+(def commit-message (slurp commit-message-path))
+
+(def message (json/generate-string
+              {:messages [{:role "system" :content system-msg}
+                          {:role "user"   :content diff}]
+               :model "llama-3.1-70b-versatile"
+               :temperature 1
+               :max_tokens 1024
+               :top_p 1
+               :stream false
+               :stop nil}))
+
+(def response
+  (curl/post url
+             {:headers {"Content-Type" "application/json"
+                        "Authorization" (str "Bearer " (System/getenv "GROQ_API_KEY"))}
+              :body message}))
+
+(def content (get-in (:choices (json/parse-string (:body response) true)) [0 :message :content]))
+
+(spit commit-message-path (str content "\n" commit-message))
+
+(p/shell (System/getenv "EDITOR") (first *command-line-args*))