Update Mill to 0.10.12 (#163)

Required to fix scala-js/scala-js-js-envs#12 in CI.

.mill-version

@@ -0,0 +1 @@
+0.10.12

build.sc

@@ -3,7 +3,7 @@ val sjsonnetVersion = "0.4.3-SNAPSHOT"
 
 object sjsonnet extends Cross[SjsonnetModule]("2.12.13", "2.13.4")
 class SjsonnetModule(val crossScalaVersion: String) extends Module {
-  def millSourcePath = super.millSourcePath / ammonite.ops.up
+  def millSourcePath = super.millSourcePath / os.up
   trait SjsonnetJvmNative extends SjsonnetCrossModule {
     def ivyDeps = super.ivyDeps() ++ Agg(
       ivy"com.lihaoyi::os-lib::0.7.2",

mill

@@ -3,35 +3,63 @@
 # 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
-DEFAULT_MILL_VERSION=0.9.5-7-f9a698
 
 set -e
 
+if [ -z "${DEFAULT_MILL_VERSION}" ] ; then
+  DEFAULT_MILL_VERSION=0.10.12
+fi
+
 if [ -z "$MILL_VERSION" ] ; then
   if [ -f ".mill-version" ] ; then
     MILL_VERSION="$(head -n 1 .mill-version 2> /dev/null)"
-  elif [ -f "mill" ] && [ "$BASH_SOURCE" != "mill" ] ; then
+  elif [ -f ".config/mill-version" ] ; then
+    MILL_VERSION="$(head -n 1 .config/mill-version 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
 
-MILL_DOWNLOAD_PATH="$HOME/.mill/download"
-MILL_EXEC_PATH="${MILL_DOWNLOAD_PATH}/$MILL_VERSION"
+if [ "x${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}"
 
-if [ ! -x "$MILL_EXEC_PATH" ] ; then
-  mkdir -p $MILL_DOWNLOAD_PATH
+version_remainder="$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=$MILL_EXEC_PATH-tmp-download
-  MILL_DOWNLOAD_URL="https://github.com/lihaoyi/mill/releases/download/${MILL_VERSION%%-*}/$MILL_VERSION-assembly"
+  MILL_VERSION_TAG=$(echo $MILL_VERSION | sed -E 's/([^-]+)(-M[0-9]+)?(-.*)?/\1\2/')
+  MILL_DOWNLOAD_URL="https://github.com/lihaoyi/mill/releases/download/${MILL_VERSION_TAG}/$MILL_VERSION${ASSEMBLY}"
   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=""
+if [ "$1" = "--bsp" ] || [ "$1" = "-i" ] || [ "$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 $MILL_EXEC_PATH "$@"
+exec $MILL_EXEC_PATH $MILL_FIRST_ARG -D "mill.main.cli=${MILL_MAIN_CLI}" "$@"