Add Leaf support (#3470)

Co-authored-by: Geoff Bourne <itzgeoff@gmail.com>

scripts/start-configuration

@@ -278,6 +278,10 @@ case "${TYPE^^}" in
     exec "${SCRIPTS:-/}start-deployCrucible" "$@"
   ;;
 
+  LEAF)
+    exec "${SCRIPTS:-/}start-deployLeaf" "$@"
+  ;;
+
   *)
       logError "Invalid TYPE: '$TYPE'"
       logError "Must be: VANILLA, FORGE, BUKKIT, SPIGOT, PAPER, FOLIA, PURPUR, FABRIC, QUILT,"
@@ -286,4 +290,4 @@ case "${TYPE^^}" in
       exit 1
   ;;
 
-esac
+esac

scripts/start-deployLeaf

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-$(dirname "$0")}/start-utils"
+set -o pipefail
+set -e
+isDebugging && set -x
+
+resolveVersion
+: "${LEAF_BUILD:=LATEST}"
+
+# Docs at https://api.leafmc.one/docs/swagger-ui/index.html
+leafApiUrl="https://api.leafmc.one/v2/projects/leaf"
+leafDownloadsPage="https://www.leafmc.one/download"
+
+if ! get --exists "${leafApiUrl}/versions/${VERSION}/builds"; then
+  logError "Leaf builds do not exist for ${VERSION}"
+  logError "       check ${leafDownloadsPage} for available versions"
+  logError "       and set VERSION accordingly"
+  exit 1
+fi
+
+if [[ "${LEAF_BUILD^^}" == "LATEST" ]]; then
+  # Get the latest build number from the API, which will be the last object in the builds array
+  if ! buildNumber=$(
+    get --json-path '$.builds[-1].build' "${leafApiUrl}/versions/${VERSION}/builds"
+  ); then
+    logError "failed to list Leaf builds for ${VERSION}"
+    exit 1
+  fi
+  LEAF_BUILD="${buildNumber}"
+fi
+
+if ! filename=$(
+  get --json-path='$.downloads.primary.name' --json-value-when-missing="" "${leafApiUrl}/versions/${VERSION}/builds/${LEAF_BUILD}"
+); then
+  logError "Failed to retrieve download filename"
+  exit 1
+fi
+
+SERVER="/data/$filename"
+
+if ! get --skip-existing --log-progress-each -o "${SERVER}" "${leafApiUrl}/versions/${VERSION}/builds/${LEAF_BUILD}/downloads/${filename}"; then
+  logError "Failed to download"
+  exit 1
+fi
+
+export FAMILY=SPIGOT
+export SERVER
+
+exec "${SCRIPTS:-/}start-spiget" "$@"