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

@@ -2,7 +2,9 @@
 
 (require  '[babashka.curl :as curl]
           '[babashka.process :as p]
-          '[cheshire.core :as json])
+          '[cheshire.core :as json]
+          '[babashka.fs :as fs]
+          '[babashka.cli :as cli])
 
 (def url "https://api.groq.com/openai/v1/chat/completions")
 
@@ -16,6 +18,17 @@ 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}]
@@ -34,4 +47,6 @@ Only reply with the commit message and nothing else.
 
 (def content (get-in (:choices (json/parse-string (:body response) true)) [0 :message :content]))
 
-(println content)
+(spit commit-message-path (str content "\n" commit-message))
+
+(p/shell (System/getenv "EDITOR") (first *command-line-args*))