[mc] For FTB add legacy java fixer option

.editorconfig

@@ -0,0 +1,5 @@
+root = true
+
+[*]
+end_of_line = lf
+indent_style = space

minecraft-server/.editorconfig

@@ -0,0 +1,2 @@
+[start-*]
+indent_size = 2

minecraft-server/README.md

@@ -398,6 +398,16 @@ example:
 Note: The FTB server start script will also override other options,
 like `MOTD`.
 
+### Fixing "unable to launch forgemodloader"
+
+If your server's modpack fails to load with an error [like this](https://support.feed-the-beast.com/t/cant-start-crashlanding-server-unable-to-launch-forgemodloader/6028/2):
+
+    unable to launch forgemodloader
+     
+then you apply a workaround by adding this to the run invocation:
+
+    -e FTB_LEGACYJAVAFIXER=true
+
 ## Running a SpongeVanilla server
 
 Enable SpongeVanilla server mode by adding a `-e TYPE=SPONGEVANILLA` to your command-line.

minecraft-server/start-deployFTB

@@ -1,17 +1,11 @@
 #!/bin/bash
 
+. /start-utils
+
+legacyJavaFixerUrl=http://ftb.cursecdn.com/FTB2/maven/net/minecraftforge/lex/legacyjavafixer/1.0/legacyjavafixer-1.0.jar
+legacyJavaFixerPath=/data/FeedTheBeast/mods/legacyjavafixer.jar
 export TYPE=FEED-THE-BEAST
 
-function isURL {
-  local value=$1
-
-  if [[ ${value:0:8} == "https://" || ${value:0:7} = "http://" ]]; then
-    return 0
-  else
-    return 1
-  fi
-}
-
 echo "Looking for Feed-The-Beast server modpack."
 if [[ -z $FTB_SERVER_MOD ]]; then
     echo "Environment variable FTB_SERVER_MOD not set."
@@ -23,7 +17,7 @@ srv_modpack=${FTB_SERVER_MOD}
 if isURL ${srv_modpack}; then
     case $srv_modpack in
       https://www.feed-the-beast.com/*/download)
-        break;;
+        ;;
       https://www.feed-the-beast.com/*)
         srv_modpack=${srv_modpack}/download;;
     esac
@@ -57,12 +51,17 @@ fi
 if [ ! -d ${FTB_DIR} ]; then
   echo "Unpacking FTB server modpack ${srv_modpack} ..."
   mkdir -p ${FTB_DIR}
-  unzip -o ${srv_modpack} -d ${FTB_DIR}
+  unzip -o ${srv_modpack} -d ${FTB_DIR} | awk '{printf "."} END {print ""}'
   cp -f /data/eula.txt ${FTB_DIR}/eula.txt
 fi
 export FTB_SERVER_START=${FTB_DIR}/ServerStart.sh
 chmod a+x ${FTB_SERVER_START}
 sed -i "s/-jar/-Dfml.queryResult=confirm -jar/" ${FTB_SERVER_START}
 
+if isTrue ${FTB_LEGACYJAVAFIXER} && [ ! -e ${legacyJavaFixerPath} ]; then
+  echo "Installing legacy java fixer to ${legacyJavaFixerPath}"
+  curl -sSL -o ${legacyJavaFixerPath} ${legacyJavaFixerUrl}
+fi
+
 # Continue to Final Setup
 exec /start-finalSetup01World $@

minecraft-server/start-utils

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+function isURL {
+  local value=$1
+
+  if [[ ${value:0:8} == "https://" || ${value:0:7} = "http://" ]]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+function isTrue {
+  local value=${1,,}
+
+  result=
+
+  case ${value} in
+    true|on)
+      result=0
+      ;;
+    *)
+      result=1
+      ;;
+  esac
+
+  return ${result}
+}