remove hacky pastability for portability reasons

pastability no longer needed since can just do: source minetestenv.rc

minetestenv.rc

@@ -65,18 +65,36 @@ err_txt=$HOME/err-enliven.txt
 #if [ "$0" = "-bash" ]; then
 #'[[' doesn't work in debian
 show_changes="true"
-if [[ $0 == *"$shell_name"* ]]; then
-  REPO_PATH="$HOME/GitHub/EnlivenMinetest"
-  echo "You must have pasted this into terminal, so assuming REPO_PATH:"
-  echo "  $REPO_PATH"
-else
+#[[ doesn't work in debian:
+#if [[ $0 == *"$shell_name"* ]]; then
+#doesn't work on Fedora since shell_name is blank even when in shell and not pasting:
+#if [ "$shell_name" != "" ]; then
+  #REPO_PATH="$HOME/GitHub/EnlivenMinetest"
+  #echo "You must have pasted this into terminal, so assuming REPO_PATH:"
+  #echo "  $REPO_PATH"
+#else
   SCRIPT=$(readlink -f "$0")
+  if [ "$SCRIPT" = "/bin/bash" ]; then
+    SCRIPT=minetestenv.rc
+    if [ ! -f "$SCRIPT" ]; then
+      echo "ERROR: could not find self (need location of self in order to get SCRIPTPATH and then REPO_PATH in order for patches directory to be found."
+      echo "  press Ctrl C to cancel ENLIVEN install or this terminal will close..."
+      sleep 1
+      echo " 3..."
+      sleep 1
+      echo " 2..."
+      sleep 1
+      echo " 1..."
+      sleep 1
+      exit 1
+    fi
+  fi
   # Absolute path this script is in, thus /home/user/bin
   SCRIPTPATH=$(dirname "$SCRIPT")
   REPO_PATH="$SCRIPTPATH"
   #formerly, this script was in a subdir:
   #REPO_PATH=$(dirname "$SCRIPTPATH")
-fi
+#fi
 
 PATCHES_PATH="$REPO_PATH/patches"
 echo "PATCHES_PATH: $PATCHES_PATH"
@@ -179,20 +197,22 @@ if [ -z "$MT_DEFAULT_WORLD_NAME" ]; then
   fi
   #if [ "$0" = "-bash" ]; then
 #'[[' doesn't work in debian:
-  if [[ $0 == *"$shell_name"* ]]; then
-    REPO_PATH="$HOME/GitHub/EnlivenMinetest"
-    MT_MYWORLD_NAME="world"
-    echo "You must have pasted this into terminal, so assuming MT_MYWORLD_NAME:"
-    echo "  $MT_MYWORLD_NAME"
-    echo "Press Ctrl C to cancel, otherwise $MT_MYWORLD_NAME will be used..."
-    #sleep 1
-    #echo " 3..."
-    #sleep 1
-    #echo " 2..."
-    sleep 1
-    echo " 1..."
-    sleep 1
-  else
+  #if [[ $0 == *"$shell_name"* ]]; then
+  #doesn't work on Fedora since shell_name is blank even when in shell and not pasting:
+  #if [ "$shell_name" != "" ]; then
+  #  REPO_PATH="$HOME/GitHub/EnlivenMinetest"
+  #  MT_MYWORLD_NAME="world"
+  #  echo "You must have pasted this into terminal, so assuming MT_MYWORLD_NAME:"
+  #  echo "  $MT_MYWORLD_NAME"
+  #  echo "Press Ctrl C to cancel, otherwise $MT_MYWORLD_NAME will be used..."
+  #  #sleep 1
+  #  #echo " 3..."
+  #  #sleep 1
+  #  #echo " 2..."
+  #  sleep 1
+  #  echo " 1..."
+  #  sleep 1
+  #else
     read -e -p "Please enter a world (name only--must be in $MT_WORLDS_DIR): " -i "$MT_MYWORLD_NAME" MT_MYWORLD_NAME
     #$MT_DEFAULT_WORLD_NAME
     echo using "$MT_MYWORLD_NAME"
@@ -202,15 +222,19 @@ if [ -z "$MT_DEFAULT_WORLD_NAME" ]; then
     sleep 1
     echo " 1..."
     sleep 1
-  fi
+  #fi
 else
+  #NOTE: $0 doesn't work because gives actual command (such as `./filename.sh`--gives filename only if command was `bash filename.sh`)
   #'[[' doesn't work in debian:
-  if [[ $0 == *"$shell_name"* ]]; then
-    REPO_PATH="$HOME/GitHub/EnlivenMinetest"
-    MT_MYWORLD_NAME="$MT_DEFAULT_WORLD_NAME"
-    echo "You must have pasted this into terminal, so assuming MT_MYWORLD_NAME:"
-    echo "  $MT_MYWORLD_NAME"
-  else
+  #if [[ $0 == *"$shell_name"* ]]; then
+  #if [ "$shell_name" = "" ]; then echo "running normally (not pasted)"
+  #doesn't work on Fedora since shell_name is blank even when in shell and not pasting:
+  #if [ "$shell_name" != "" ]; then
+  #  REPO_PATH="$HOME/GitHub/EnlivenMinetest"
+  #  MT_MYWORLD_NAME="$MT_DEFAULT_WORLD_NAME"
+  #  echo "You must have pasted this into terminal, so assuming MT_MYWORLD_NAME:"
+  #  echo "  $MT_MYWORLD_NAME"
+  #else
     ls $MT_WORLDS_DIR
     read -p "Please enter a world [blank for $MT_DEFAULT_WORLD_NAME]: " MT_MYWORLD_NAME
     #$MT_DEFAULT_WORLD_NAME
@@ -226,7 +250,7 @@ else
     if [ -z "$MT_MYWORLD_NAME" ]; then
       MT_MYWORLD_NAME="$MT_DEFAULT_WORLD_NAME"
     fi
-  fi
+  #fi
 fi
 if [ ! -d "$MT_WORLDS_DIR/$MT_MYWORLD_NAME" ]; then
     echo "  ERROR: failed to find world path, so cannot continue." > $err_txt