discourse-setup

   1 #!/usr/bin/env bash
   2
   3 ##
   4 ## Make sure only root can run our script
   5 ##
   6 check_root() {
   7   if [[ $EUID -ne 0 ]]; then
   8     echo "This script must be run as root. Please sudo or log in as root first." 1>&2
   9     exit 1
  10   fi
  11 }
  12
  13 ##
  14 ## Check whether a connection to HOSTNAME ($1) on PORT ($2) is possible
  15 ##
  16 connect_to_port () {
  17   HOST="$1"
  18   PORT="$2"
  19   VERIFY=`date +%s | sha256sum | base64 | head -c 20`
  20   echo -e "HTTP/1.1 200 OK\n\n $VERIFY" | nc -w 4 -l -p $PORT >/dev/null 2>&1 &
  21   if curl --proto =http -s $HOST:$PORT --connect-timeout 3 | grep $VERIFY >/dev/null 2>&1
  22   then
  23       return 0
  24   else
  25     curl --proto =http -s localhost:$PORT >/dev/null 2>&1
  26     return 1
  27   fi
  28 }
  29
  30 check_IP_match () {
  31   HOST="$1"
  32   echo
  33   echo Checking your domain name . . .
  34   if connect_to_port $HOST 443
  35   then
  36       echo
  37       echo "Connection to $HOST succeeded."
  38   else
  39     echo WARNING:: This server does not appear to be accessible at $HOST:443.
  40     echo
  41     if connect_to_port $HOST 80
  42     then
  43         echo A connection to port 80 succeeds, however.
  44         echo This suggests that your DNS settings are correct,
  45         echo but something is keeping traffic to port 443 from getting to your server.
  46         echo Check your networking configuration to see that connections to port 443 are allowed.
  47     else
  48       echo "A connection to http://$HOST (port 80) also fails."
  49       echo
  50       echo This suggests that $HOST resolves to the wrong IP address
  51       echo or that traffic is not being routed to your server.
  52     fi
  53     echo
  54     echo Google: \"open ports YOUR CLOUD SERVICE\" for information for resolving this problem.
  55     echo
  56     echo You should probably answer \"n\" at the next prompt and disable Let\'s Encrypt.
  57     echo
  58     echo This test might not work for all situations,
  59     echo so if you can access Discourse at http://$HOST, you might try anyway.
  60     sleep 3
  61   fi
  62 }
  63
  64 ##
  65 ## Do we have docker?
  66 ##
  67 check_and_install_docker () {
  68   docker_path=`which docker.io || which docker`
  69   if [ -z $docker_path ]; then
  70     read  -p "Docker not installed. Enter to install from https://get.docker.com/ or Ctrl+C to exit"
  71     curl https://get.docker.com/ | sh
  72   fi
  73   docker_path=`which docker.io || which docker`
  74   if [ -z $docker_path ]; then
  75     echo Docker install failed. Quitting.
  76     exit
  77   fi
  78 }
  79
  80 ##
  81 ## What are we running on
  82 ##
  83 check_OS() {
  84   echo `uname -s`
  85 }
  86
  87 ##
  88 ## OS X available memory
  89 ##
  90 check_osx_memory() {
  91   echo `top -l 1 | awk '/PhysMem:/ {print $2}' | sed s/G//`
  92 }
  93
  94 ##
  95 ## Linux available memory
  96 ##
  97 check_linux_memory() {
  98   echo `free -g --si | awk ' /Mem:/  {print $2} '`
  99 }
 100
 101 ##
 102 ## Do we have enough memory and disk space for Discourse?
 103 ##
 104 check_disk_and_memory() {
 105
 106   os_type=$(check_OS)
 107   avail_mem=0
 108   if [ "$os_type" == "Darwin" ]; then
 109     avail_mem=$(check_osx_memory)
 110   else
 111     avail_mem=$(check_linux_memory)
 112   fi
 113
 114   if [ "$avail_mem" -lt 1 ]; then
 115     echo "WARNING: Discourse requires 1GB RAM to run. This system does not appear"
 116     echo "to have sufficient memory."
 117     echo
 118     echo "Your site may not work properly, or future upgrades of Discourse may not"
 119     echo "complete successfully."
 120     exit 1
 121   fi
 122
 123   if [ "$avail_mem" -le 2 ]; then
 124     total_swap=`free -g --si | awk ' /Swap:/  {print $2} '`
 125
 126     if [ "$total_swap" -lt 2 ]; then
 127       echo "WARNING: Discourse requires at least 2GB of swap when running with 2GB of RAM"
 128       echo "or less. This system does not appear to have sufficient swap space."
 129       echo
 130       echo "Without sufficient swap space, your site may not work properly, and future"
 131       echo "upgrades of Discourse may not complete successfully."
 132       echo
 133       echo "Ctrl+C to exit or wait 5 seconds to have a 2GB swapfile created."
 134       sleep 5
 135
 136       ##
 137       ## derived from https://meta.discourse.org/t/13880
 138       ##
 139       install -o root -g root -m 0600 /dev/null /swapfile
 140       dd if=/dev/zero of=/swapfile bs=1k count=2048k
 141       mkswap /swapfile
 142       swapon /swapfile
 143       echo "/swapfile       swap    swap    auto      0       0" | tee -a /etc/fstab
 144       sysctl -w vm.swappiness=10
 145       echo vm.swappiness = 10 | tee -a /etc/sysctl.conf
 146
 147       total_swap=`free -g --si | awk ' /Swap:/ {print $2} '`
 148       if [ "$total_swap" -lt 2 ]; then
 149         echo "Failed to create swap, sorry!"
 150         exit 1
 151       fi
 152
 153     fi
 154   fi
 155
 156
 157   free_disk="$(df /var | tail -n 1 | awk '{print $4}')"
 158   if [ "$free_disk" -lt 5000 ]; then
 159     echo "WARNING: Discourse requires at least 5GB free disk space. This system"
 160     echo "does not appear to have sufficient disk space."
 161     echo
 162     echo "Insufficient disk space may result in problems running your site, and"
 163     echo "may not even allow Discourse installation to complete successfully."
 164     echo
 165     echo "Please free up some space, or expand your disk, before continuing."
 166     echo
 167     echo "Run \`apt-get autoremove && apt-get autoclean\` to clean up unused"
 168     echo "packages and \`./launcher cleanup\` to remove stale Docker containers."
 169     exit 1
 170   fi
 171
 172 }
 173
 174
 175 ##
 176 ## If we have lots of RAM or lots of CPUs, bump up the defaults to scale better
 177 ##
 178 scale_ram_and_cpu() {
 179
 180   local changelog=/tmp/changelog.$PPID
 181   # grab info about total system ram and physical (NOT LOGICAL!) CPU cores
 182   avail_gb=0
 183   avail_cores=0
 184   os_type=$(check_OS)
 185   if [ "$os_type" == "Darwin" ]; then
 186     avail_gb=$(check_osx_memory)
 187     avail_cores=`sysctl hw.ncpu | awk '/hw.ncpu:/ {print $2}'`
 188   else
 189     avail_gb=$(check_linux_memory)
 190     avail_cores=$((`awk '/cpu cores/ {print $4;exit}' /proc/cpuinfo`*`sort /proc/cpuinfo | uniq | grep -c "physical id"`))
 191   fi
 192   echo "Found ${avail_gb}GB of memory and $avail_cores physical CPU cores"
 193
 194   # db_shared_buffers: 128MB for 1GB, 256MB for 2GB, or 256MB * GB, max 4096MB
 195   if [ "$avail_gb" -eq "1" ]
 196   then
 197     db_shared_buffers=128
 198   else
 199     if [ "$avail_gb" -eq "2" ]
 200     then
 201       db_shared_buffers=256
 202     else
 203       db_shared_buffers=$(( 256 * $avail_gb ))
 204     fi
 205   fi
 206   db_shared_buffers=$(( db_shared_buffers < 4096 ? db_shared_buffers : 4096 ))
 207
 208   sed -i -e "s/^  #\?db_shared_buffers:.*/  db_shared_buffers: \"${db_shared_buffers}MB\"/w $changelog" $data_file
 209   if [ -s $changelog ]
 210   then
 211     echo "setting db_shared_buffers = ${db_shared_buffers}MB"
 212     rm $changelog
 213   fi
 214
 215   # UNICORN_WORKERS: 2 * GB for 2GB or less, or 2 * CPU, max 8
 216   if [ "$avail_gb" -le "2" ]
 217   then
 218     unicorn_workers=$(( 2 * $avail_gb ))
 219   else
 220     unicorn_workers=$(( 2 * $avail_cores ))
 221   fi
 222   unicorn_workers=$(( unicorn_workers < 8 ? unicorn_workers : 8 ))
 223
 224   sed -i -e "s/^  #\?UNICORN_WORKERS:.*/  UNICORN_WORKERS: ${unicorn_workers}/w $changelog" $web_file
 225   if [ -s $changelog ]
 226   then
 227       echo "setting UNICORN_WORKERS = ${unicorn_workers}"
 228       rm $changelog
 229   fi
 230
 231   echo $data_file memory parameters updated.
 232 }
 233
 234
 235 ##
 236 ## standard http / https ports must not be occupied
 237 ##
 238 check_ports() {
 239     check_port "80"
 240     check_port "443"
 241     echo "Ports 80 and 443 are free for use"
 242 }
 243
 244
 245 ##
 246 ## check a port to see if it is already in use
 247 ##
 248 check_port() {
 249
 250   local valid=$(netstat -tln | awk '{print $4}' | grep ":${1}\$")
 251
 252   if [ -n "$valid" ]; then
 253     echo "Port ${1} appears to already be in use."
 254     echo
 255     echo "This will show you what command is using port ${1}"
 256     lsof -i tcp:${1} -s tcp:listen
 257     echo
 258     echo "If you are trying to run Discourse simultaneously with another web"
 259     echo "server like Apache or nginx, you will need to bind to a different port"
 260     echo
 261     echo "See https://meta.discourse.org/t/17247"
 262     echo
 263     echo "If you are reconfiguring an already-configured Discourse, use "
 264     echo
 265     echo "./launcher stop app"
 266     echo
 267     echo "to stop Discourse before you reconfigure it and try again."
 268     exit 1
 269   fi
 270 }
 271
 272 ##
 273 ## read a variable from the config file
 274 ##
 275 read_config() {
 276   config_line=`egrep "^  #?$1:" $web_file`
 277   read_config_result=`echo $config_line | awk '{print $2}'`
 278   read_config_result=`echo $read_config_result | sed "s/^\([\"']\)\(.*\)\1\$/\2/g"`
 279 }
 280
 281
 282
 283 ##
 284 ## prompt user for typical Discourse config file values
 285 ##
 286 ask_user_for_config() {
 287
 288   # NOTE: Defaults now come from standalone.yml
 289
 290   local changelog=/tmp/changelog.$PPID
 291   read_config "DISCOURSE_SMTP_ADDRESS"
 292   local smtp_address=$read_config_result
 293   # NOTE: if there are spaces between emails, this breaks, but a human should be paying attention
 294   read_config "DISCOURSE_DEVELOPER_EMAILS"
 295   local developer_emails=$read_config_result
 296   read_config "DISCOURSE_SMTP_PASSWORD"
 297   local smtp_password=$read_config_result
 298   read_config "DISCOURSE_SMTP_PORT"
 299   local smtp_port=$read_config_result
 300   read_config "DISCOURSE_SMTP_USER_NAME"
 301   local smtp_user_name=$read_config_result
 302   if [ "$smtp_password" = "pa$$word" ]
 303   then
 304       smtp_password = ""
 305   fi
 306   read_config "LETSENCRYPT_ACCOUNT_EMAIL"
 307   local letsencrypt_account_email=$read_config_result
 308   if [ -z $letsencrypt_account_email ]
 309   then
 310       letsencrypt_account_email="me@example.com"
 311   fi
 312   if [ "$letsencrypt_account_email" = "me@example.com" ]
 313   then
 314       local letsencrypt_status="ENTER to skip"
 315   else
 316     local letsencrypt_status="Enter 'OFF' to disable."
 317   fi
 318
 319   read_config "DISCOURSE_HOSTNAME"
 320   hostname=$read_config_result
 321
 322   local new_value=""
 323   local config_ok="n"
 324   local update_ok="y"
 325
 326   echo ""
 327
 328   while [[ "$config_ok" == "n" ]]
 329   do
 330     if [ ! -z $hostname ]
 331     then
 332       read -p "Hostname for your Discourse? [$hostname]: " new_value
 333       if [ ! -z $new_value ]
 334       then
 335           hostname=$new_value
 336       fi
 337     fi
 338
 339     if [ ! -z $developer_emails ]
 340     then
 341       read -p "Email address for admin account(s)? [$developer_emails]: " new_value
 342       if [ ! -z $new_value ]
 343       then
 344           developer_emails=$new_value
 345       fi
 346     fi
 347
 348     if [ ! -z $smtp_address ]
 349     then
 350       read -p "SMTP server address? [$smtp_address]: " new_value
 351       if [ ! -z $new_value ]
 352       then
 353         smtp_address=$new_value
 354       fi
 355     fi
 356
 357     if [ ! -z $smtp_port ]
 358     then
 359       read -p "SMTP port? [$smtp_port]: " new_value
 360       if [ ! -z $new_value ]
 361       then
 362         smtp_port=$new_value
 363       fi
 364     fi
 365
 366     ##
 367     ## automatically set correct user name based on common mail providers
 368     ##
 369     if [ "$smtp_address" == "smtp.sparkpostmail.com" ]
 370     then
 371         smtp_user_name="SMTP_Injection"
 372     fi
 373     if [ "$smtp_address" == "smtp.sendgrid.net" ]
 374     then
 375             smtp_user_name="apikey"
 376     fi
 377     if [ "$smtp_address" == "smtp.mailgun.org" ]
 378     then
 379             smtp_user_name="postmaster@$hostname"
 380     fi
 381
 382     if [ ! -z $smtp_user_name ]
 383     then
 384       read -p "SMTP user name? [$smtp_user_name]: " new_value
 385       if [ ! -z "$new_value" ]
 386       then
 387           smtp_user_name="$new_value"
 388       fi
 389     fi
 390
 391     read -p "SMTP password? [$smtp_password]: " new_value
 392     if [ ! -z $new_value ]
 393     then
 394         smtp_password=$new_value
 395     fi
 396
 397     if [ ! -z $letsencrypt_account_email ]
 398     then
 399       read -p "Let's Encrypt account email? ($letsencrypt_status) [$letsencrypt_account_email]: " new_value
 400       if [ ! -z $new_value ]
 401       then
 402           letsencrypt_account_email=$new_value
 403           if [ "${new_value,,}" = "off" ]
 404           then
 405             letsencrypt_status="ENTER to skip"
 406           else
 407             letsencrypt_status="Enter 'OFF' to disable."
 408           fi
 409       fi
 410     fi
 411
 412     if [ "$letsencrypt_status" == "Enter 'OFF' to disable." ]
 413     then
 414        check_IP_match $hostname
 415     fi
 416
 417     echo -e "\nDoes this look right?\n"
 418     echo "Hostname      : $hostname"
 419     echo "Email         : $developer_emails"
 420     echo "SMTP address  : $smtp_address"
 421     echo "SMTP port     : $smtp_port"
 422     echo "SMTP username : $smtp_user_name"
 423     echo "SMTP password : $smtp_password"
 424
 425     if [ "$letsencrypt_status" == "Enter 'OFF' to disable." ]
 426     then
 427       echo "Let's Encrypt : $letsencrypt_account_email"
 428     fi
 429
 430
 431     echo ""
 432     read -p "ENTER to continue, 'n' to try again, Ctrl+C to exit: " config_ok
 433   done
 434
 435   sed -i -e "s/^  DISCOURSE_HOSTNAME:.*/  DISCOURSE_HOSTNAME: $hostname/w $changelog" $web_file
 436   if [ -s $changelog ]
 437   then
 438     rm $changelog
 439   else
 440     echo "DISCOURSE_HOSTNAME change failed."
 441     update_ok="n"
 442   fi
 443
 444   sed -i -e "s/^  DISCOURSE_DEVELOPER_EMAILS:.*/  DISCOURSE_DEVELOPER_EMAILS: \'$developer_emails\'/w $changelog" $web_file
 445   if [ -s $changelog ]
 446   then
 447     rm $changelog
 448   else
 449     echo "DISCOURSE_DEVELOPER_EMAILS change failed."
 450     update_ok="n"
 451   fi
 452
 453   sed -i -e "s/^  DISCOURSE_SMTP_ADDRESS:.*/  DISCOURSE_SMTP_ADDRESS: $smtp_address/w $changelog" $web_file
 454   if [ -s $changelog ]
 455   then
 456     rm $changelog
 457   else
 458     echo "DISCOURSE_SMTP_ADDRESS change failed."
 459     update_ok="n"
 460   fi
 461
 462   sed -i -e "s/^  #\?DISCOURSE_SMTP_PORT:.*/  DISCOURSE_SMTP_PORT: $smtp_port/w $changelog" $web_file
 463   if [ -s $changelog ]
 464   then
 465     rm $changelog
 466   else
 467     echo "DISCOURSE_SMTP_PORT change failed."
 468     update_ok="n"
 469   fi
 470
 471   sed -i -e "s/^  #\?DISCOURSE_SMTP_USER_NAME:.*/  DISCOURSE_SMTP_USER_NAME: $smtp_user_name/w $changelog" $web_file
 472   if [ -s $changelog ]
 473   then
 474     rm $changelog
 475   else
 476     echo "DISCOURSE_SMTP_USER_NAME change failed."
 477     update_ok="n"
 478   fi
 479
 480   sed -i -e "s/^  #\?DISCOURSE_SMTP_PASSWORD:.*/  DISCOURSE_SMTP_PASSWORD: \"${smtp_password/\//\\/}\"/w $changelog" $web_file
 481   if [ -s $changelog ]
 482   then
 483       rm $changelog
 484   else
 485     echo "DISCOURSE_SMTP_PASSWORD change failed."
 486     update_ok="n"
 487   fi
 488
 489   if [ "$letsencrypt_status" = "ENTER to skip" ]
 490   then
 491       local src='^  #\?- "templates\/web.ssl.template.yml"'
 492       local dst='  #\- "templates\/web.ssl.template.yml"'
 493       sed -i -e "s/$src/$dst/w $changelog" $web_file
 494       if [ ! -s $changelog ]
 495       then
 496         update_ok="n"
 497         echo "web.ssl.template.yml NOT DISABLED--Are you using a non-standard template?"
 498       fi
 499       local src='^  #\?- "templates\/web.letsencrypt.ssl.template.yml"'
 500       local dst='  #- "templates\/web.letsencrypt.ssl.template.yml"'
 501
 502       sed -i -e "s/$src/$dst/w $changelog" $web_file
 503       if [ ! -s $changelog ]
 504       then
 505         update_ok="n"
 506         echo "web.ssl.template.yml NOT DISABLED--Are you using a non-standard template?"
 507       fi
 508   else # enable let's encrypt
 509     echo "Let's Encrypt will be enabled for $letsencrypt_account_email"
 510       sed -i -e "s/^  #\?LETSENCRYPT_ACCOUNT_EMAIL:.*/  LETSENCRYPT_ACCOUNT_EMAIL: $letsencrypt_account_email/w $changelog" $web_file
 511       if [ -s $changelog ]
 512       then
 513         rm $changelog
 514       else
 515         echo "LETSENCRYPT_ACCOUNT_EMAIL change failed."
 516         update_ok="n"
 517       fi
 518       local src='^  #\?- "templates\/web.ssl.template.yml"'
 519       local dst='  \- "templates\/web.ssl.template.yml"'
 520       sed -i -e "s/$src/$dst/w $changelog" $web_file
 521       if [ -s $changelog ]
 522       then
 523           echo "web.ssl.template.yml enabled"
 524       else
 525         update_ok="n"
 526         echo "web.ssl.template.yml NOT ENABLED--was it on already?"
 527       fi
 528       local src='^  #\?- "templates\/web.letsencrypt.ssl.template.yml"'
 529       local dst='  - "templates\/web.letsencrypt.ssl.template.yml"'
 530
 531       sed -i -e "s/$src/$dst/w $changelog" $web_file
 532       if [ -s $changelog ]
 533       then
 534               echo "letsencrypt.ssl.template.yml enabled"
 535       else
 536         update_ok="n"
 537         echo "letsencrypt.ssl.template.yml NOT ENABLED -- was it on already?"
 538       fi
 539   fi
 540
 541   if [ "$update_ok" == "y" ]
 542   then
 543     echo -e "\nConfiguration file at $config_file updated successfully!\n"
 544   else
 545     echo -e "\nUnfortunately, there was an error changing $config_file\n"
 546     echo -d "This may happen if you have made unexpected changes."
 547     exit 1
 548   fi
 549 }
 550
 551 ##
 552 ## is our config file valid? Does it have the required fields set?
 553 ##
 554 validate_config() {
 555
 556   valid_config="y"
 557
 558   for x in DISCOURSE_SMTP_ADDRESS DISCOURSE_SMTP_USER_NAME DISCOURSE_SMTP_PASSWORD \
 559            DISCOURSE_DEVELOPER_EMAILS DISCOURSE_HOSTNAME
 560   do
 561     config_line=`grep "^  $x:" $web_file`
 562     local result=$?
 563     local default="example.com"
 564
 565     if (( result == 0 ))
 566     then
 567       if [[ "$config_line" = *"$default"* ]]
 568       then
 569         echo "$x left at incorrect default of example.com"
 570         valid_config="n"
 571       fi
 572       config_val=`echo $config_line | awk '{print $2}'`
 573       if [ -z $config_val ]
 574       then
 575         echo "$x was left blank"
 576         valid_config="n"
 577       fi
 578     else
 579       echo "$x not present"
 580       valid_config="n"
 581     fi
 582   done
 583
 584   if [ "$valid_config" != "y" ]; then
 585     echo -e "\nSorry, these $web_file settings aren't valid -- can't continue!"
 586     echo "If you have unusual requirements, edit $web_file and then: "
 587     echo "./launcher bootstrap $app_name"
 588     exit 1
 589   fi
 590 }
 591
 592
 593 ##
 594 ## template file names
 595 ##
 596
 597 if [ "$1" == "2container" ]
 598 then
 599     app_name=web_only
 600     data_name=data
 601     web_template=samples/web_only.yml
 602     data_template=samples/data.yml
 603     web_file=containers/$app_name.yml
 604     data_file=containers/$data_name.yml
 605 else
 606   app_name=app
 607   data_name=app
 608   web_template=samples/standalone.yml
 609   data_template=""
 610   web_file=containers/$app_name.yml
 611   data_file=containers/$app_name.yml
 612 fi
 613     changelog=/tmp/changelog
 614
 615 ##
 616 ## Check requirements before creating a copy of a config file we won't edit
 617 ##
 618 check_root
 619 check_and_install_docker
 620 check_disk_and_memory
 621
 622 if [ -a "$web_file" ]
 623 then
 624   echo "The configuration file $web_file already exists!"
 625   echo
 626   echo ". . . reconfiguring . . ."
 627   echo
 628   echo
 629   DATE=`date +"%Y-%m-%d-%H%M%S"`
 630   BACKUP=$app_name.yml.$DATE.bak
 631   echo Saving old file as $BACKUP
 632   cp $config_file containers/$BACKUP
 633   echo "Stopping existing container in 5 seconds or Control-C to cancel."
 634   sleep 5
 635   ./launcher stop app
 636   echo
 637 else
 638   check_ports
 639   cp -v $web_template $web_file
 640   if [ "$data_name" == "data" ]
 641   then
 642       echo "--------------------------------------------------"
 643       echo "This multisite setup is currently unsupported. Use at your own risk!"
 644       echo "--------------------------------------------------"
 645       DISCOURSE_DB_PASSWORD=`date +%s | sha256sum | base64 | head -c 20`
 646
 647      sed -i -e "s/DISCOURSE_DB_PASSWORD: SOME_SECRET/DISCOURSE_DB_PASSWORD: $DISCOURSE_DB_PASSWORD/w $changelog" $web_file
 648      if  [ -s $changelog ]
 649      then
 650          rm $changelog
 651      else
 652        echo "Problem changing DISCOURSE_DB_PASSWORD" in $web_file
 653      fi
 654
 655      cp -v $data_template $data_file
 656      quote=\'
 657      sed -i -e "s/password ${quote}SOME_SECRET${quote}/password '$DISCOURSE_DB_PASSWORD'/w $changelog" $data_file
 658      if  [ -s $changelog ]
 659      then
 660          rm $changelog
 661      else
 662        echo "Problem changing DISCOURSE_DB_PASSWORD" in $data_file
 663      fi
 664   fi
 665 fi
 666
 667 scale_ram_and_cpu
 668 ask_user_for_config
 669 validate_config
 670
 671 ##
 672 ## if we reach this point without exiting, OK to proceed
 673 ## rebuild won't fail if there's nothing to rebuild and does the restart
 674 ##
 675 echo "Updates successful. Rebuilding in 5 seconds."
 676 sleep 5 # Just a chance to ^C in case they were too fast on the draw
 677 if [ "$data_name" == "$app_name" ]
 678 then
 679     echo Building $app_name
 680     ./launcher rebuild $app_name
 681 else
 682     echo Building $data_name now . . .
 683     ./launcher rebuild $data_name
 684     echo Building $app_name now . . .
 685     ./launcher rebuild $app_name
 686 fi