add auto-download input setup

2024/input/.gitignore

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+.session

2024/src/core.clj

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+(ns core
+  (:require
+   [babashka.fs :as fs]
+   [babashka.http-client :as http]
+   [clojure.string :as str]))
+
+(def session (first (fs/read-all-lines "input/.session")))
+
+(defn input-file-loc [day]
+  (str "input/" day ".txt"))
+
+(defn download-input [day]
+  (->> {:headers {:cookie (str "session=" session)}}
+       (http/get (str "https://adventofcode.com/2024/day/" day "/input"))
+       :body
+       (str/split-lines)
+       (fs/write-lines (input-file-loc day))))
+
+(defn get-input [day]
+  (try
+    (fs/read-all-lines (input-file-loc day))
+    (catch java.nio.file.NoSuchFileException _e
+      (download-input day)
+      (get-input day))))
+

2024/src/day02.clj

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+(ns day02
+  (:require
+   [clojure.string :as str]))
+
+(def raw-input (str/split-lines ""))
+
+(def input (->> raw-input
+                (map identity)))
+
+;; part 1
+(->> input)
+
+;; part 2
+;; (->> input)
+