Added support for Crucible server type

#1052

Dockerfile

@@ -60,7 +60,7 @@ RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
  --var version=0.1.1 --var app=maven-metadata-release --file {{.app}} \
  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
-ARG MC_HELPER_VERSION=1.9.2
+ARG MC_HELPER_VERSION=1.9.5
 ARG MC_HELPER_BASE_URL=https://github.com/itzg/mc-image-helper/releases/download/v${MC_HELPER_VERSION}
 RUN curl -fsSL ${MC_HELPER_BASE_URL}/mc-image-helper-${MC_HELPER_VERSION}.tgz \
     | tar -C /usr/share -zxf - \

README.md

@@ -572,6 +572,16 @@ Configuration options with defaults:
 - `LIMBO_SCHEMA_FILENAME`=default.schem
 - `LEVEL`="Default;${LIMBO_SCHEMA_FILENAME}"
 
+### Running a Crucible server
+
+A [Crucible](https://github.com/CrucibleMC/Crucible) server can be run by setting `TYPE` to `CRUCIBLE`.
+
+Configuration options with defaults:
+
+- `CRUCIBLE_RELEASE`=latest
+
+Crucible is only available for 1.7.10, so be sure to set `VERSION=1.7.10`.
+
 ## Running a server with a Feed the Beast modpack
 
 > **NOTE** requires one of the Debian based images listed in [the Java versions section](#running-minecraft-server-on-different-java-version).

start-configuration

@@ -176,11 +176,21 @@ case "${TYPE^^}" in
     exec ${SCRIPTS:-/}start-deployLimbo "$@"
   ;;
 
+  CRUCIBLE)
+    log "**********************************************************************"
+    log "WARNING: The image tag itzg/minecraft-server:java8 is recommended"
+    log "         since some mods require Java 8"
+    log "         Exception traces reporting ClassCastException: class jdk.internal.loader.ClassLoaders\$AppClassLoader"
+    log "         can be fixed with java8"
+    log "**********************************************************************"
+    exec "${SCRIPTS:-/}start-deployCrucible" "$@"
+  ;;
+
   *)
       log "Invalid type: '$TYPE'"
       log "Must be: VANILLA, FORGE, BUKKIT, SPIGOT, PAPER, FTBA (multiarch-only),"
       log "         CURSE_INSTANCE, CURSEFORGE, SPONGEVANILLA, PURPUR, CUSTOM,"
-      log "         MAGMA, MOHIST, CATSERVER, AIRPLANE, CANYON, LIMBO"
+      log "         MAGMA, MOHIST, CATSERVER, AIRPLANE, CANYON, LIMBO, CRUCIBLE"
       exit 1
   ;;
 

start-deployCrucible

@@ -0,0 +1,60 @@
+#!/bin/bash
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-$(dirname "$0")}/start-utils"
+set -o pipefail
+set -e
+isDebugging && set -x
+
+requireVar VANILLA_VERSION
+: "${CRUCIBLE_RELEASE:=latest}"
+
+crucibleReleasesUrl=https://api.github.com/repos/CrucibleMC/Crucible/releases
+if [[ ${CRUCIBLE_RELEASE^^} = LATEST ]]; then
+  crucibleReleaseUrl=${crucibleReleasesUrl}/latest
+else
+  crucibleReleaseUrl=${crucibleReleasesUrl}/tags/${CRUCIBLE_RELEASE}
+fi
+
+if ! downloadUrl=$(get --json-path "$.assets[?(@.name =~ /Crucible-${VANILLA_VERSION}-.*\.jar/)].browser_download_url" \
+    --accept "application/vnd.github.v3+json" "$crucibleReleaseUrl"); then
+  log "ERROR: failed to access ${CRUCIBLE_RELEASE} release of Crucible"
+  exit 1
+fi
+
+if [[ $downloadUrl = null ]]; then
+  log "ERROR: failed to locate Crucible jar for $VANILLA_VERSION from ${CRUCIBLE_RELEASE}"
+  exit 1
+fi
+
+log "Downloading Crucible from $downloadUrl"
+if ! SERVER=$(get --skip-existing --output-filename -o /data "$downloadUrl"); then
+  log "ERROR: failed to download Crucible jar from $downloadUrl"
+  exit 1
+fi
+
+librariesDir=/data/libraries
+if [ ! -d "$librariesDir" ]; then
+  if ! librariesUrl=$(get --json-path "$.assets[?(@.name == 'libraries.zip')].browser_download_url" \
+      --accept "application/vnd.github.v3+json" "$crucibleReleaseUrl"); then
+    log "ERROR: failed to access ${CRUCIBLE_RELEASE} release of Crucible for libraries"
+    exit 1
+  fi
+
+  log "Downloading Crucible libraries"
+  if ! get -o /tmp/libraries.zip "$librariesUrl"; then
+    log "ERROR: failed to download Crucible libraries from $librariesUrl"
+    exit 1
+  fi
+
+  if ! unzip /tmp/libraries.zip -d "$librariesDir"; then
+    log "ERROR: failed to unzip Crucible libraries"
+    exit 1
+  fi
+  rm /tmp/libraries.zip
+fi
+
+export SERVER
+export SKIP_LOG4J_CONFIG=true
+
+exec "${SCRIPTS:-$(dirname "$0")}/start-setupWorld" "$@"