From 7d4e4c167ee2ef1cc10eca19f96b3c608d78fd9f Mon Sep 17 00:00:00 2001
From: Geoff Bourne <itzgeoff@gmail.com>
Date: Mon, 8 Feb 2021 20:42:54 -0600
Subject: [PATCH] Added support for Yatopia #704

---
 README.md           | 12 ++++++++++++
 start-configuration |  6 +++++-
 start-deployYatopia | 30 ++++++++++++++++++++++++++++++
 start-utils         | 14 ++++++++++++++
 4 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 start-deployYatopia

diff --git a/README.md b/README.md
index 90e36b26..64c8fd80 100644
--- a/README.md
+++ b/README.md
@@ -499,6 +499,18 @@ Extra variables:
 - `PURPUR_BUILD=LATEST` : set a specific Purpur build to use
 - `FORCE_REDOWNLOAD=false` : set to true to force the located server jar to be re-downloaded
 
+## Running a Yatopia server
+
+A [Yatopia](https://github.com/YatopiaMC/Yatopia) server, which is a "blazing fast Tuinity fork with best in class performance".
+
+    -e TYPE=YATOPIA
+
+> NOTE: the `VERSION` variable is used to locate the Yatopia version to download
+
+Extra variables:
+- `RELEASE=stable` : set to `stable` or `latest`
+- `FORCE_REDOWNLOAD=false` : set to true to force the located server jar to be re-downloaded
+
 ## Running a Magma server
 
 A [Magma](https://magmafoundation.org/) server, which is a combination of Forge and PaperMC, can be used with
diff --git a/start-configuration b/start-configuration
index 614d7851..e1377fc4 100644
--- a/start-configuration
+++ b/start-configuration
@@ -147,11 +147,15 @@ case "${TYPE^^}" in
     exec ${SCRIPTS:-/}start-deployPurpur "$@"
   ;;
 
+  YATOPIA)
+    exec ${SCRIPTS:-/}start-deployYatopia "$@"
+  ;;
+
   *)
       log "Invalid type: '$TYPE'"
       log "Must be: VANILLA, FORGE, BUKKIT, SPIGOT, PAPER, FTBA (multiarch-only),"
       log "         CURSE_INSTANCE, CURSEFORGE, SPONGEVANILLA, TUINITY, PURPUR"
-      log "         CUSTOM, MAGMA, MOHIST, CATSERVER"
+      log "         CUSTOM, MAGMA, MOHIST, CATSERVER, YATOPIA"
       exit 1
   ;;
 
diff --git a/start-deployYatopia b/start-deployYatopia
new file mode 100644
index 00000000..0cbc28ce
--- /dev/null
+++ b/start-deployYatopia
@@ -0,0 +1,30 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+: ${VANILLA_VERSION:?}
+: ${RELEASE:=stable}
+: ${FORCE_REDOWNLOAD:=false}
+
+requireEnum RELEASE stable latest
+
+export SERVER="yatopia-${RELEASE}-${VANILLA_VERSION}.jar"
+
+if [ ! -f "$SERVER" ] || isTrue "$FORCE_REDOWNLOAD"; then
+    downloadUrl="https://api.yatopiamc.org/v2/${RELEASE}Build/download?branch=ver/${VANILLA_VERSION}"
+    log "Downloading Yatopia from $downloadUrl ..."
+    if ! curl -fsSL -o "$SERVER" "$downloadUrl"; then
+      log "ERROR: failed to download from $downloadUrl (status=$?)"
+      exit 3
+    fi
+fi
+
+# Normalize on Spigot for later operations
+export TYPE=SPIGOT
+export SKIP_LOG4J_CONFIG=true
+
+# Continue to Final Setup
+exec ${SCRIPTS:-/}start-finalSetupWorld $@
diff --git a/start-utils b/start-utils
index 81876838..51c70d64 100644
--- a/start-utils
+++ b/start-utils
@@ -144,6 +144,20 @@ requireVar() {
   fi
 }
 
+requireEnum() {
+  var=${1?}
+  shift
+
+  for allowed in $*; do
+    if [[ ${!var} = $allowed ]]; then
+      return 0
+    fi
+  done
+
+  log "ERROR: $var must be set to one of $@"
+#  exit 1
+}
+
 function writeEula() {
   if ! echo "# Generated via Docker
 # $(date)