From 0035ca6248d1f289241c5dd0839c17a481f568d1 Mon Sep 17 00:00:00 2001
From: Christian <me@ctsk.xyz>
Date: Mon, 2 Dec 2024 13:48:37 +0100
Subject: [PATCH] Bye bye sbt

---
 .gitignore                                    |  1 +
 .mill-version                                 |  1 +
 .../src/main/scala/dev/ctsk/aoc}/Main.scala   |  0
 .../main/scala/dev/ctsk/aoc}/Solution.scala   |  0
 .../main/scala/dev/ctsk/aoc}/days/Day01.scala |  0
 .../main/scala/dev/ctsk/aoc}/days/Day02.scala |  0
 build.mill                                    |  7 ++
 build.sbt                                     | 10 ---
 mill                                          | 67 +++++++++++++++++++
 src/test/scala/MySuite.scala                  |  9 ---
 10 files changed, 76 insertions(+), 19 deletions(-)
 create mode 100644 .mill-version
 rename {src/main/scala => aoc/src/main/scala/dev/ctsk/aoc}/Main.scala (100%)
 rename {src/main/scala => aoc/src/main/scala/dev/ctsk/aoc}/Solution.scala (100%)
 rename {src/main/scala => aoc/src/main/scala/dev/ctsk/aoc}/days/Day01.scala (100%)
 rename {src/main/scala => aoc/src/main/scala/dev/ctsk/aoc}/days/Day02.scala (100%)
 create mode 100644 build.mill
 delete mode 100644 build.sbt
 create mode 100755 mill
 delete mode 100644 src/test/scala/MySuite.scala

diff --git a/.gitignore b/.gitignore
index 9e79245..2fe12a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,4 @@ metals.sbt
 .idea
 .idea_modules
 /.worksheet/
+out/
diff --git a/.mill-version b/.mill-version
new file mode 100644
index 0000000..aa22d3c
--- /dev/null
+++ b/.mill-version
@@ -0,0 +1 @@
+0.12.3
diff --git a/src/main/scala/Main.scala b/aoc/src/main/scala/dev/ctsk/aoc/Main.scala
similarity index 100%
rename from src/main/scala/Main.scala
rename to aoc/src/main/scala/dev/ctsk/aoc/Main.scala
diff --git a/src/main/scala/Solution.scala b/aoc/src/main/scala/dev/ctsk/aoc/Solution.scala
similarity index 100%
rename from src/main/scala/Solution.scala
rename to aoc/src/main/scala/dev/ctsk/aoc/Solution.scala
diff --git a/src/main/scala/days/Day01.scala b/aoc/src/main/scala/dev/ctsk/aoc/days/Day01.scala
similarity index 100%
rename from src/main/scala/days/Day01.scala
rename to aoc/src/main/scala/dev/ctsk/aoc/days/Day01.scala
diff --git a/src/main/scala/days/Day02.scala b/aoc/src/main/scala/dev/ctsk/aoc/days/Day02.scala
similarity index 100%
rename from src/main/scala/days/Day02.scala
rename to aoc/src/main/scala/dev/ctsk/aoc/days/Day02.scala
diff --git a/build.mill b/build.mill
new file mode 100644
index 0000000..b923929
--- /dev/null
+++ b/build.mill
@@ -0,0 +1,7 @@
+package build
+
+import mill._, scalalib._
+
+object aoc extends ScalaModule {
+  def scalaVersion = "3.5.2"
+}
\ No newline at end of file
diff --git a/build.sbt b/build.sbt
deleted file mode 100644
index d4b85aa..0000000
--- a/build.sbt
+++ /dev/null
@@ -1,10 +0,0 @@
-val scala3Version = "3.5.2"
-
-lazy val root = project
-  .in(file("."))
-  .settings(
-    name := "aoc-2024",
-    version := "0.1.0-SNAPSHOT",
-    scalaVersion := scala3Version,
-    libraryDependencies += "org.scalameta" %% "munit" % "1.0.0" % Test
-  )
diff --git a/mill b/mill
new file mode 100755
index 0000000..f4d81f4
--- /dev/null
+++ b/mill
@@ -0,0 +1,67 @@
+#!/usr/bin/env sh
+
+# This is a wrapper script, that automatically download mill from GitHub release pages
+# You can give the required mill version with MILL_VERSION env variable
+# If no version is given, it falls back to the value of DEFAULT_MILL_VERSION
+
+set -e
+
+if [ -z "${DEFAULT_MILL_VERSION}" ] ; then
+  DEFAULT_MILL_VERSION=0.12.3
+fi
+
+if [ -z "$MILL_VERSION" ] ; then
+  if [ -f ".mill-version" ] ; then
+    MILL_VERSION="$(tr '\r' '\n' < .mill-version | head -n 1 2> /dev/null)"
+  elif [ -f ".config/mill-version" ] ; then
+    MILL_VERSION="$(tr '\r' '\n' < .config/mill-version | head -n 1 2> /dev/null)"
+  elif [ -f "mill" ] && [ "$0" != "mill" ] ; then
+    MILL_VERSION=$(grep -F "DEFAULT_MILL_VERSION=" "mill" | head -n 1 | cut -d= -f2)
+  else
+    MILL_VERSION=$DEFAULT_MILL_VERSION
+  fi
+fi
+
+if [ "x${XDG_CACHE_HOME}" != "x" ] ; then
+  MILL_DOWNLOAD_PATH="${XDG_CACHE_HOME}/mill/download"
+else
+  MILL_DOWNLOAD_PATH="${HOME}/.cache/mill/download"
+fi
+MILL_EXEC_PATH="${MILL_DOWNLOAD_PATH}/${MILL_VERSION}"
+
+version_remainder="$MILL_VERSION"
+MILL_MAJOR_VERSION="${version_remainder%%.*}"; version_remainder="${version_remainder#*.}"
+MILL_MINOR_VERSION="${version_remainder%%.*}"; version_remainder="${version_remainder#*.}"
+
+if [ ! -s "$MILL_EXEC_PATH" ] ; then
+  mkdir -p "$MILL_DOWNLOAD_PATH"
+  if [ "$MILL_MAJOR_VERSION" -gt 0 ] || [ "$MILL_MINOR_VERSION" -ge 5 ] ; then
+    ASSEMBLY="-assembly"
+  fi
+  DOWNLOAD_FILE=$MILL_EXEC_PATH-tmp-download
+  MILL_VERSION_TAG=$(echo $MILL_VERSION | sed -E 's/([^-]+)(-M[0-9]+)?(-.*)?/\1\2/')
+  MILL_DOWNLOAD_URL="https://repo1.maven.org/maven2/com/lihaoyi/mill-dist/$MILL_VERSION/mill-dist-$MILL_VERSION.jar"
+  curl --fail -L -o "$DOWNLOAD_FILE" "$MILL_DOWNLOAD_URL"
+  chmod +x "$DOWNLOAD_FILE"
+  mv "$DOWNLOAD_FILE" "$MILL_EXEC_PATH"
+  unset DOWNLOAD_FILE
+  unset MILL_DOWNLOAD_URL
+fi
+
+if [ -z "$MILL_MAIN_CLI" ] ; then
+  MILL_MAIN_CLI="${0}"
+fi
+
+MILL_FIRST_ARG=""
+
+ # first arg is a long flag for "--interactive" or starts with "-i"
+if [ "$1" = "--bsp" ] || [ "${1#"-i"}" != "$1" ] || [ "$1" = "--interactive" ] || [ "$1" = "--no-server" ] || [ "$1" = "--repl" ] || [ "$1" = "--help" ] ; then
+  # Need to preserve the first position of those listed options
+  MILL_FIRST_ARG=$1
+  shift
+fi
+
+unset MILL_DOWNLOAD_PATH
+unset MILL_VERSION
+
+exec $MILL_EXEC_PATH $MILL_FIRST_ARG -D "mill.main.cli=${MILL_MAIN_CLI}" "$@"
diff --git a/src/test/scala/MySuite.scala b/src/test/scala/MySuite.scala
deleted file mode 100644
index 621784d..0000000
--- a/src/test/scala/MySuite.scala
+++ /dev/null
@@ -1,9 +0,0 @@
-// For more information on writing tests, see
-// https://scalameta.org/munit/docs/getting-started.html
-class MySuite extends munit.FunSuite {
-  test("example test that succeeds") {
-    val obtained = 42
-    val expected = 42
-    assertEquals(obtained, expected)
-  }
-}