main.rs

.envrc

@@ -1 +1,7 @@
 use flake
+
+if [[ $(date +'%m') -eq 12 ]]
+then
+	export ADVENT_YEAR=$(date +'%Y')
+	export ADVENT_DAY=$(date +'%d')
+fi

src/main.rs

@@ -11,18 +11,20 @@ use std::{path::Path, time::Instant, env};
 
 fn main() {
     let year = env::var("ADVENT_YEAR")
-        .unwrap()
+        .unwrap_or("2024".into())
         .parse()
-        .unwrap_or(2024);
+        .unwrap();
     let day = env::var("ADVENT_DAY")
-        .unwrap()
+        .unwrap_or("1".into())
         .parse()
-        .unwrap_or(1);
+        .unwrap();
 
     if ! Path::new(&format!("./data/{}/day{:02}", year, day)).exists() 
         && env::var("ADVENT_TOKEN").is_ok() {
         fetch_input(year, day).expect("Set ADVENT_TOKEN to the correct session cookie to fetch input automatically");
     }
+
+    println!("Attempting to run {year}/{day}");
     
     let Ok(data) = load_actual(year, day)
         else { panic!("No Input Data"); };
@@ -41,5 +43,4 @@ fn main() {
 
     println!("Part 1 result is {}, took {}ms", part1, elapsed1.as_millis());
     println!("Part 2 result is {}, took {}ms", part2, elapsed2.as_millis());
-
 }