updated generic FTB

Fixed the variable matching to no cause issues on the panel.

Also changed the install script to work for all FTB linked packs.

It is known that curseforge links do not work.

Minecraft/feed-the-beast/egg-feed-the-beast.json

@@ -3,7 +3,7 @@
     "meta": {
         "version": "PTDL_v1"
     },
-    "exported_at": "2018-02-27T11:41:14-05:00",
+    "exported_at": "2018-03-23T11:15:04-04:00",
     "name": "Feed the Beast",
     "author": "aevum@decess.us",
     "description": "Egg to handle all official FTB Modpacks",
@@ -17,7 +17,7 @@
     },
     "scripts": {
         "installation": {
-            "script": "#!\/bin\/ash\r\n# Generic FTB Server Installation Script\r\n#\r\n# Server Files: \/mnt\/server\r\n# MODPACK_VERSION = version of the modpack, set in variables\r\n# i.e MODPACK_VERSION=1.5.0\r\n# MODPACK_URL = url base of the pack, set in variables, hardcoded\r\n# i.e https:\/\/www.feed-the-beast.com\/projects\/ftb-revelation\/files\r\n# MODPACK_URL=ftb-revelation\r\n\r\napk update\r\napk add curl --no-cache\r\n\r\nBASEURL=https:\/\/www.feed-the-beast.com\/projects\/${MODPACK_URL}\/files\r\nPATTERN=\"projects\\\/${MODPACK_URL}\\\/files\\\/\\d{7,}\"\r\nID_PATTERN=\"\\d{7,}\"\r\nID=`curl -sl ${BASEURL}| grep -A2 ${MODPACK_VERSION} | grep -oE \"${PATTERN}\" | grep -oE \"${ID_PATTERN}\"`\r\necho \"ID: ${ID}\"\r\nSECONDURL=${BASEURL}\/${ID}\r\necho \"SECONDURL: ${SECONDURL}\"\r\nGOOD_ID=`curl -sl ${SECONDURL} | grep -B2 Server_${MODPACK_VERSION}.zip | grep -oE \"${PATTERN}\" | grep -oE \"${ID_PATTERN}\"`\r\necho \"GOOD_ID: ${GOOD_ID}\"\r\nDL_URL=${BASEURL}\/${GOOD_ID}\/download\r\necho \"Download_URL: ${DL_URL}\"\r\ncd \/mnt\/server\r\n\r\necho \"Executing curl -L ${DL_URL} -o ${MODPACK_URL}.zip\"\r\ncurl -L ${DL_URL} -o ${MODPACK_URL}.zip\r\n\r\nunzip ${MODPACK_URL}.zip\r\n\r\nrm -rf ${MODPACK_URL}.zip\r\n\r\nsh .\/FTBInstall.sh",
+            "script": "#!\/bin\/ash\r\n# Generic FTB Server Installation Script\r\n#\r\n# Server Files: \/mnt\/server\r\n# MODPACK_VERSION = version of the modpack, set in variables\r\n# i.e MODPACK_VERSION=1.5.0\r\n# MODPACK_URL = url base of the pack, set in variables, hardcoded\r\n# i.e https:\/\/www.feed-the-beast.com\/projects\/ftb-revelation\/files\r\n# MODPACK_URL=ftb-revelation\r\n\r\napk add curl --no-cache\r\n\r\n## Correcting for bad variables\r\nGETPACK=$(echo ${MODPACK_URL} | cut -d \"\/\" -f 5 )\r\necho -e \"\\n The pack being downloaded is $GETPACK \\n\"\r\n\r\n## Getting the Base URL\r\nBASEURL=https:\/\/www.feed-the-beast.com\/projects\/${GETPACK}\/files\r\necho \"The base URL is ${BASEURL}\"\r\n\r\n## This is meant to get the pack ID that is unique and not exactly clear \r\n\r\n\r\nif [ -z \"${MODPACK_VERSION}\" ] || [ \"${MODPACK_VERSION}\" == \"latest\" ]; then\r\n    ID=`curl -sl ${BASEURL} | grep -i -A9 'title=\"release\"' | grep -i -o 'href=\".*\"' |  cut -d \"\/\" -f5 | sed s\/\\\"\/\/g`\r\n    echo \"ID: ${ID}\"\r\nelse \r\n    ID=`curl -sl ${BASEURL} | grep -i -A9 \"${MODPACK_VERSION}\" | grep -m1 -oE 'href=\"[^\\\"]+\"' | cut -d \"\/\" -f5 | grep -oE [0-9]+`\r\n    echo \"ID: ${ID}\"\r\nfi\r\n\r\nSECONDURL=${BASEURL}\/${ID}\r\necho \"SECONDURL: ${SECONDURL}\"\r\n\r\nGOOD_ID=`curl -sl ${SECONDURL} | grep -i server | grep -Eo 'href=\"[^\\\"]+\"' | grep -o -E \"[0-9]+\" | tail -1`\r\necho \"GOOD_ID: ${GOOD_ID}\"\r\n\r\nDL_URL=${BASEURL}\/${GOOD_ID}\/download\r\necho \"Download_URL: ${DL_URL}\"\r\n\r\ncd \/mnt\/server\r\n\r\necho \"Executing curl -L ${DL_URL} -o $GETPACK.zip\"\r\ncurl -L ${DL_URL} -o $GETPACK.zip\r\n\r\nunzip ${GETPACK}.zip\r\n\r\nrm -rf ${GETPACK}.zip\r\n\r\nsh .\/FTBInstall.sh",
             "container": "alpine:3.7",
             "entrypoint": "ash"
         }
@@ -30,16 +30,16 @@
             "default_value": "",
             "user_viewable": 1,
             "user_editable": 1,
-            "rules": "required|regex:[a-z-0-9]+|max:30"
+            "rules": "required|regex:([a-z-0-9]+$)"
         },
         {
             "name": "Modpack Version",
-            "description": "Version of the modpack to use",
+            "description": "Version of the modpack to use.",
             "env_variable": "MODPACK_VERSION",
-            "default_value": "",
+            "default_value": "latest",
             "user_viewable": 1,
             "user_editable": 1,
-            "rules": "required|regex:\\d+.\\d+.\\d+"
+            "rules": "required|string|max:20"
         },
         {
             "name": "Level Seed",
@@ -48,7 +48,7 @@
             "default_value": "",
             "user_viewable": 1,
             "user_editable": 1,
-            "rules": "string|max:40"
+            "rules": "nullable|string|max:40"
         },
         {
             "name": "Max Players",