Hotfix/minecraft 1944 (#1954)

* Minecraft updater now working after changes made by Mojang
* jq is now a requirement of LinuxGSM

.travis.yml

@@ -24,6 +24,7 @@ addons:
     - ca-certificates
     - binutils
     - bc
+    - jq
     - tmux
     - lib32gcc1
     - libstdc++6

lgsm/config-default/config-lgsm/mcserver/_default.cfg

@@ -89,7 +89,7 @@ engine="lwjgl2"
 ## Server Specific Directories
 systemdir="${serverfiles}"
 executabledir="${serverfiles}"
-executable="java -Xmx${javaram}M -jar ${serverfiles}/minecraft_server.jar nogui"
+executable="java -Xmx${javaram}M -jar ${serverfiles}/minecraft_server.jar"
 servercfg="server.properties"
 servercfgdefault="server.properties"
 servercfgdir="${serverfiles}"

lgsm/functions/check_deps.sh

@@ -107,6 +107,8 @@ fn_deps_detector(){
 		depstatus=0
 		deptocheck="${javaversion}"
 		unset javacheck
+	elif [ "${deptocheck}" == "jq" ]&&[ "${distroversion}" == "6" ]; then
+		jqstatus=1
 	elif [ "${deptocheck}" == "mono-complete" ]; then
 		if [ "$(command -v mono 2>/dev/null)" ]&&[ "$(mono --version 2>&1 | grep -Po '(?<=version )\d')" -ge 5 ]; then
 			# Mono >= 5.0.0 already installed
@@ -182,6 +184,10 @@ fn_found_missing_deps(){
 		if [ -n "${monostatus}" ]; then
 			fn_install_mono_repo
 		fi
+		if [ -n "${jqstatus}" ]; then
+			fn_print_warning_nl "jq is not available in the ${distroname} repository"
+			echo "	* https://github.com/GameServerManagers/LinuxGSM/wiki/jq"
+		fi
 		sudo -v > /dev/null 2>&1
 		if [ $? -eq 0 ]; then
 			fn_print_information_nl "Automatically installing missing dependencies."
@@ -268,7 +274,7 @@ fn_deps_build_debian(){
 	array_deps_missing=()
 
 	## LinuxGSM requirements
-	array_deps_required=( curl wget ca-certificates file bsdmainutils util-linux python bzip2 gzip unzip binutils bc )
+	array_deps_required=( curl wget ca-certificates file bsdmainutils util-linux python bzip2 gzip unzip binutils bc jq )
 
 	# All servers except ts3 require tmux
 	if [ "${shortname}" != "ts3" ]; then
@@ -373,13 +379,13 @@ fn_deps_build_redhat(){
 	# LinuxGSM requirements
 	## CentOS 6
 	if [ "${distroversion}" == "6" ]; then
-		array_deps_required=( curl wget util-linux-ng python file gzip bzip2 unzip binutils bc )
+		array_deps_required=( curl wget util-linux-ng python file gzip bzip2 unzip binutils bc jq )
 	elif [ "${distroid}" == "fedora" ]; then
-			array_deps_required=( curl wget util-linux python2 file gzip bzip2 unzip binutils bc )
+			array_deps_required=( curl wget util-linux python2 file gzip bzip2 unzip binutils bc jq )
 	elif [[ "${distroname}" == *"Amazon Linux AMI"* ]]; then
-			array_deps_required=( curl wget util-linux python27 file gzip bzip2 unzip binutils bc )
+			array_deps_required=( curl wget util-linux python27 file gzip bzip2 unzip binutils bc jq )
 	else
-		array_deps_required=( curl wget util-linux python file gzip bzip2 unzip binutils bc )
+		array_deps_required=( curl wget util-linux python file gzip bzip2 unzip binutils bc jq )
 	fi
 
 	# All servers except ts3 require tmux

lgsm/functions/update_minecraft.sh

@@ -9,11 +9,13 @@ local commandaction="Update"
 local function_selfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"
 
 fn_update_dl(){
-	fn_fetch_file "https://s3.amazonaws.com/Minecraft.Download/versions/${availablebuild}/minecraft_server.${availablebuild}.jar" "${tmpdir}" "minecraft_server.${availablebuild}.jar"
+	latestmcbuildurl=$(${curlpath} -s $(${curlpath} -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | jq -r '.versions[0] | .url') |  jq -r '.downloads.server.url')
+	fn_fetch_file "${latestmcbuildurl}" "${tmpdir}" "minecraft_server.${availablebuild}.jar"
 	echo -e "copying to ${serverfiles}...\c"
 	fn_script_log "Copying to ${serverfiles}"
 	cp "${tmpdir}/minecraft_server.${availablebuild}.jar" "${serverfiles}/minecraft_server.jar"
 	local exitcode=$?
+	chmod u+x "${serverfiles}/minecraft_server.jar"
 	if [ ${exitcode} -eq 0 ]; then
 		fn_print_ok_eol_nl
 	else
@@ -69,7 +71,7 @@ fn_update_currentbuild(){
 
 fn_update_availablebuild(){
 	# Gets latest build info.
-	availablebuild=$(${curlpath} -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | sed -e 's/^.*"release":"\([^"]*\)".*$/\1/')
+	availablebuild=$(${curlpath} -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | jq -r '.latest.release')
 	# Checks if availablebuild variable has been set
 	if [ -z "${availablebuild}" ]; then
 		fn_print_fail "Checking for update: mojang.com"