feat(flake): automatically download input for the day

2 files changed, 7 insertions, 2 deletions

diff --git a/.secret/session.txt b/.secret/session.txt
new file mode 100644
index 0000000..60c106e
--- /dev/null
+++ b/.secret/session.txt
diff --git a/2023/flake.nix b/2023/flake.nix
index 1586422..654f196 100644
--- a/2023/flake.nix
+++ b/2023/flake.nix
@@ -16,11 +16,12 @@
           inherit system;
           overlays = [ devshell.overlays.default ];
         };
+        year = 2023;
       in pkgs.devshell.mkShell {
 
         devshell = {
           motd = ''
-            {bold}{3}🎄 Advent of Code 2023 🎄{reset}
+            {bold}{3}🎄 Advent of Code ${year} 🎄{reset}
             $(for CMD in g++ make gdb clangd ; do
               "$CMD" --version | head -n1
             done)
@@ -34,7 +35,7 @@
         };
 
         packages = with pkgs; [
-          gcc gnumake gdb clang-tools bear
+          gcc gnumake gdb clang-tools bear curl
         ];
 
         #env = [
@@ -52,6 +53,10 @@
               mkdir -p "$BASE" && cd $_
               mkdir -p src resources
 
+              ${pkgs.curl}/bin/curl "https://adventofcode.com/${year}/day/$1/input" \
+                --cookie "session=$(cat ../../.secret/session.txt)" --silent
+                --output-dir resources --output input.txt
+
               cat << EOF >> src/part1.cpp
               #include <iostream>
               #include <fstream>