diff --git a/core/src/main/java/me/retrodaredevil/solarthing/SolarThingConstants.java b/core/src/main/java/me/retrodaredevil/solarthing/SolarThingConstants.java
index 98f42255..922fe466 100644
--- a/core/src/main/java/me/retrodaredevil/solarthing/SolarThingConstants.java
+++ b/core/src/main/java/me/retrodaredevil/solarthing/SolarThingConstants.java
@@ -69,6 +69,9 @@ public final class SolarThingConstants {
 	/** Not used yet but we have this defined in solarthing.service.template */
 	@Deprecated
 	public static final int EXIT_CODE_RESTART_NEEDED_UNUSED_2 = 212;
+	/** Used only by bash scripts to download/launch SolarThing. This is not defined in the legacy template, but will be defined in the newer one.*/
+	@Deprecated
+	public static final int EXIT_CODE_DOWNLOAD_FAILED = 213;
 
 	public static final class Links {
 		private Links() { throw new UnsupportedOperationException(); }
diff --git a/other/environment/v1/provide_environment.sh b/other/environment/v1/provide_environment.sh
new file mode 100644
index 00000000..dd9cb9e4
--- /dev/null
+++ b/other/environment/v1/provide_environment.sh
@@ -0,0 +1,134 @@
+# This file is designed to be source'd, so it is not executable.
+if [ "$SHELL" != "/bin/bash" ]; then
+  echo "This script requires bash and may not be compatible with other shells. BASH=$BASH SHELL=$SHELL"
+fi
+
+latest_release() {
+
+  if ! JSON_DATA="$(curl -sS https://api.github.com/repos/wildmountainfarms/solarthing/releases/latest)"; then
+    # If the exit code is not 0, then error information was printed to stderr.
+    return 1
+  fi
+  TAG_NAME_JSON="$(echo "$JSON_DATA" | jq '.tag_name')"
+  if [ "$TAG_NAME_JSON" = "null" ]; then
+    ERROR_MESSAGE_JSON="$(echo "$JSON_DATA" | jq '.message')"
+    if [ "$ERROR_MESSAGE" = "null" ]; then
+      echo "Unknown error. Printing JSON" >&2
+      echo "$JSON_DATA" >&2
+    else
+      ERROR_MESSAGE="$(echo "$ERROR_MESSAGE_JSON" | jq -r)"
+      echo "Got error: $ERROR_MESSAGE" >&2
+    fi
+    return 1
+  fi
+  TAG_NAME="$(echo "$TAG_NAME_JSON" | jq -r)"
+  RELEASE="$(echo "$TAG_NAME" | cut -c 2-)"
+  if [ -z "$RELEASE" ]; then
+    return 1
+  fi
+
+  echo "$RELEASE"
+}
+download() {
+  # arguments: 1:version
+  if [[ $# -ne 1 ]]; then
+    echo "Must pass 1 argument" >&2
+    return 1
+  fi
+  version="$1"
+  jar_name="$(jar_name "-$version")"
+  echo "Downloading version: $version with jar name: $jar_name"
+  mkdir -p "$SOLARTHING_DOWNLOAD_DIRECTORY"
+  # -J to preserve "last modified"
+  curl -sSfLJ --connect-timeout 10 --max-time 300 -o "$SOLARTHING_DOWNLOAD_DIRECTORY/$jar_name" "https://github.com/wildmountainfarms/solarthing/releases/download/v$version/$jar_name"
+}
+is_valid_jar() {
+  if [[ $# -ne 1 ]]; then
+    echo "Must pass 1 argument" >&2
+    return 1
+  fi
+  zip -qT "$1" 1>/dev/null 2>&1
+  return $?
+}
+on_download_failure() {
+  if [ ! -v SOLARTHING_IGNORE_DOWNLOAD_FAILURES ]; then
+    echo "Not ignoring download failure"
+    exit 213
+  fi
+}
+
+jar_name() {
+  if [[ $# -gt 1 ]]; then
+    echo "Must pass 0 or 1 arguments!" >&2
+    return 1
+  fi
+  suffix="$1"
+  variant="${SOLARTHING_VARIANT:-client}"
+  case $variant in
+    "client")
+      echo "solarthing$suffix.jar"
+      ;;
+    "server" | "graphql")
+      echo "solarthing-graphql$suffix.jar"
+      ;;
+    *)
+      echo "Unknown variant: $variant" >&2
+      return 1
+      ;;
+  esac
+}
+
+if [ -v SOLARTHING_VERSION ]; then
+  # This function downloads the jar file if it needs to, and then prints out the name of the jar file
+  if [[ ! -v SOLARTHING_DOWNLOAD_DIRECTORY ]]; then
+    echo "SOLARTHING_VERSION must be set"
+    exit 1
+  fi
+  case $SOLARTHING_VERSION in
+    "latest")
+      link_jar="$SOLARTHING_DOWNLOAD_DIRECTORY/$(jar_name '-latest')"
+      if ! is_valid_jar "$link_jar" || [ -v SOLARTHING_CHECK_DOWNLOAD ]; then
+        echo "Fetching latest version from GitHub"
+        if release="$(latest_release)"; then
+          if is_valid_jar "$SOLARTHING_DOWNLOAD_DIRECTORY/$(jar_name "-$release")"; then
+            echo "Already downloaded"
+            ln -sf "$(jar_name "-$release")" "$link_jar"
+          elif download "$release"; then
+            echo "Downloaded successfully"
+            # The link_jar file ends up in the same directory as what it is pointing at,
+            #   so the path to the jar file being pointed at is pretty easy to compute.
+            ln -sf "$(jar_name "-$release")" "$link_jar"
+          else
+            echo "Failed to download"
+            on_download_failure
+          fi
+        else
+          echo "Failed to retrieve latest version"
+          on_download_failure
+        fi
+        if ! is_valid_jar "$link_jar"; then
+          echo "Download failure occurred. No fallback jar to use. Exiting..."
+          exit 213
+        fi
+      fi
+      export SOLARTHING_JAR="$link_jar"
+      ;;
+    *)
+      if [ -v SOLARTHING_CHECK_DOWNLOAD ]; then
+        echo "(Warning) Setting SOLARTHING_CHECK_DOWNLOAD for a pinned version has no effect"
+      fi
+      jar_file="$SOLARTHING_DOWNLOAD_DIRECTORY/$(jar_name "-$SOLARTHING_VERSION")"
+      if ! is_valid_jar "$jar_file"; then
+        if download "$SOLARTHING_VERSION"; then
+          echo "Downloaded successfully"
+        else
+          echo "Failed to download"
+          exit 213
+        fi
+      fi
+      export SOLARTHING_JAR="$jar_file"
+      ;;
+  esac
+else
+  echo "SOLARTHING_VERSION not set, so SOLARTHING_JAR will not be set"
+fi
diff --git a/program/create_custom.sh b/program/create_custom.sh
index c1955c3b..13f3d95d 100755
--- a/program/create_custom.sh
+++ b/program/create_custom.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
 
-echo "Hey! This script is deprecated"
+echo "Hey! This script is deprecated. It still works fine, though. This is just a warning this may not support future SolarThing versions."
 
 BASEDIR=$(dirname "$0")
 cd "$BASEDIR" || exit 1