improving installers and moving old installer

etc/install-zerobrane-directly-not-recommended

@@ -0,0 +1,15 @@
+#!/bin/bash
+archive_name=ZeroBraneStudioEduPack-1.70-linux.sh
+cd "$HOME"
+if [ ! -d "Downloads" ]; then
+  mkdir Downloads
+fi
+cd Downloads
+if [ ! -f "$archive_name" ]; then
+  wget -O $archive_name https://download.zerobrane.com/$archive_name
+fi
+sudo sh "$archive_name"
+echo
+echo "You can donate to the ZeroBrane Studio project at https://studio.zerobrane.com/support"
+echo "  (using that URL when linking to ZeroBrane Studio is most courteous to the project)."
+echo

etc/install-zerobrane-minetest-environment

@@ -1,7 +1,8 @@
+#!/bin/bash
 dls_path="$HOME/Downloads"
 dl_name="MinetestIDEvers1(dot)0.zip"
 dl_path="$dls_path/$dl_name"
-if [ ! if "" ]; then
+if [ ! -f "$dl_path" ]; then
   echo "ERROR: Nothing done since you must first download $dl_name from"
   echo "  https://forum.minetest.net/viewtopic.php?f=14&t=12923"
   echo "  such that it exists as $dl_path"
@@ -21,6 +22,7 @@ if [ -d "$try_path/api" ]; then
 elif [ ! -d "$share_path" ]; then
   echo "Neither $share_path nor $try_path was found."
   echo "  Make sure ZeroBrane is installed, or modify share_path in this script."
+  echo "  https://studio.zerobrane.com/support"
   echo "Press Ctrl C to cancel otherwise this terminal will exit..."
   echo "3..."
   sleep 1

etc/minetestserver-install-git-all-backends.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #this is the recommended script for servers
 #remove non-git version first:
 if [ -f "`command -v apt`" ]; then
@@ -7,7 +7,7 @@ fi
 echo "This script compiles AND installs minetestserver (NOT run-in-place, but rather system-wide) with leveldb, redis, and defaults postgresql, doxygen, sqlite3"
 echo
 echo
-echo "If you want to install the client on your server (not normal practice), change -DBUILD_CLIENT=FALSE to -DBUILD_CLIENT=TRUE before continuing this script."
+echo "If you want to install the client on your server (not normal practice), add client or both param when calling this script."
 echo "Removing the non-git (packaged) version first (Press Ctrl C  to cancel)..."
 sleep 1
 echo "3..."
@@ -66,8 +66,11 @@ if [ -d minetest ]; then
   sleep 1
   echo "1..."
   sleep 1
+  #cd minetest
+else
+  git clone https://github.com/minetest/minetest.git
 fi
-git clone https://github.com/minetest/minetest.git
+#cd minetest
 git pull --all  # see https://forum.minetest.net/viewtopic.php?f=42&t=3837&start=125#p306449
 cd minetest/games
 if [ ! -d minetest_game ]; then

etc/minetestserver-uninstall-git-leftovers.sh

@@ -1,3 +1,4 @@
+#!/bin/bash
 if [ ! -f "install_manifest.txt" ]; then
   echo "missing install_manifest.txt, cannot uninstall unless you properly run cmake source and are running this script from the base repo directory"
   exit 1

etc/minetestserver-install-git-ENABLE_REDIS → etc/unused/minetestserver-install-git-ENABLE_REDIS

@@ -1,3 +1,4 @@
+#!/bin/bash
 #sudo apt-get install libncurses5-dev libgettextpo-dev doxygen libspatialindex-dev lua-redis-dev gettext
 
 sudo apt-get install build-essential cmake git libirrlicht-dev libbz2-dev libgettextpo-dev libfreetype6-dev libpng12-dev libjpeg8-dev libxxf86vm-dev libgl1-mesa-dev libsqlite3-dev libogg-dev libvorbis-dev libopenal-dev libhiredis-dev libcurl3-dev