diff --git a/changelog.md b/changelog.md
index aadb4c7..b38d95d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -5,6 +5,27 @@ The format is based on [Keep a
 Changelog](https://keepachangelog.com/en/1.0.0/).
 
 
+## [git] - 2020-05-07
+### Changed
+- Make both `install-minetest-linux64.sh` and
+  `install-mts.sh` use `minetestenv-in-place.rc`
+- Test and fix `minetestenv-in-place.rc`.
+- Rename variables.
+
+
+## [git] - 2020-05-07
+### Added
+- bash script library (`minetestenv-in-place.rc`)
+
+### Changed
+- Move most shared functionality to `minetestenv-in-place.sh`.
+- Rename variables.
+
+### Removed
+- sponge mod (since coderblocks now has one)
+
+
+
 ## [git] - 2020-03-29
 ### Added
 - Add "Linux Server Install or Upgrade" section to
diff --git a/install-mts.sh b/install-mts.sh
index e34b3b1..4fe01fa 100755
--- a/install-mts.sh
+++ b/install-mts.sh
@@ -1,153 +1,71 @@
 #!/bin/bash
+clear
 me=`basename "$0"`
 echo
 echo
 echo
-echo "Starting install..."
-MY_NAME="install-mts.sh"
-EM_CONFIG_PATH="$HOME/.config/EnlivenMinetest"
-date
-
-customExit() {
-    errorCode=1
-    if [ ! -z "$2" ]; then
-        errorCode="$2"
-    fi
-    cat <<END
-
-ERROR:
-$1
-
-
-END
-    exit $errorCode
-}
-
-
-
-customWarn() {
-    cat <<END
-
-WARNING:
-$1
-
-
-END
-    echo -en "\a" > /dev/tty0  # beep (You must specify a tty path if not in console mode)
-    echo "Press Ctrl+C to cancel..."
-    sleep 1
-    echo -en "\a" > /dev/tty0
-    echo "3..."
-    sleep 1
-    echo -en "\a" > /dev/tty0
-    echo "2..."
-    sleep 1
-    echo -en "\a" > /dev/tty0
-    echo "1..."
-    sleep 1
-}
-
-
-install_shortcut(){
-    enable_clear_icon_cache=false
-
-    _SRC_SHORTCUT_PATH=$1
-    _DST_SHORTCUT_NAME=$2
-    # _CAPTION is optional (original "Name" is kept if not specified)
-    _EXEC=$3
-    _WORKING_DIR=$4
-    _ICON=$5
-    _CAPTION=$6
-    dest_icons=$HOME/.local/share/applications
-    dest_icon=$dest_icons/$_DST_SHORTCUT_NAME
-    if [ ! -d "$dest_icons" ]; then
-        mdkir -p "$dest_icons" || customExit "mkdir -p \"$dest_icons\" failed."
-    fi
-    # if [ -f "$dest_icon" ]; then
-        # comment since never fixes broken icon anyway
-        # TODO: fixed bad cache even if icon was rewritten properly after written improperly
-        # * not tried yet:
-        #   * rm $HOME/.kde/share/config/kdeglobals
-        # enable_clear_icon_cache=true
-    # fi
-    echo "Writing icon '$dest_icon'..."
-    if [ ! -z "$_ICON" ]; then
-        cat "$_SRC_SHORTCUT_PATH" | grep -v Icon | grep -v Path | grep -v Exec > "$dest_icon"
-    else
-        cat "$_SRC_SHORTCUT_PATH" | grep -v Path | grep -v Exec > "$dest_icon"
-    fi
-    # Icon must be an absolute path (other variables use $HOME in
-    # desktop file above), so exclude it above and rewrite it below:
-    echo "Path=$dest_programs/minetest/bin" >> "$dest_icon"
-    if [ ! -z "$_ICON" ]; then
-        echo "Icon=$_ICON" >> "$dest_icon"
+scripting_rc_path=~/.config/EnlivenMinetest/scripting.rc
+if [ -f "$EM_CONFIG_PATH/scripting.rc" ]; then
+    echo "* [$MT_ENV_RUP_NAME] using $scripting_rc_path..."
+    source $scripting_rc_path
+fi
+if [ -z "$REPO_PATH" ]; then
+    REPO_PATH="$HOME/git/EnlivenMinetest"
+fi
+MT_BASH_RC_NAME="minetestenv-in-place.rc"
+CURRENT_MT_SCRIPTS_DIR="$HOME/.local/bin"
+MT_BASH_RC_PATH="$CURRENT_MT_SCRIPTS_DIR/$MT_BASH_RC_NAME"
+TRY_CURRENT_MT_SCRIPTS_DIR="$REPO_PATH"
+TRY_MT_BASH_RC_PATH="$TRY_CURRENT_MT_SCRIPTS_DIR/$MT_BASH_RC_NAME"
+if [ -f "$TRY_MT_BASH_RC_PATH" ]; then
+    CURRENT_MT_SCRIPTS_DIR="$TRY_CURRENT_MT_SCRIPTS_DIR"
+    MT_BASH_RC_PATH="$TRY_MT_BASH_RC_PATH"
+#fi
+#if [ ! -f "$MT_BASH_RC_PATH" ]; then
+else
+    if [ ! -d "$CURRENT_MT_SCRIPTS_DIR" ]; then
+        mkdir -p "$CURRENT_MT_SCRIPTS_DIR"
     fi
-    echo "Exec=$_EXEC" >> "$dest_icon"
-    if [ "@$enable_clear_icon_cache" = "@true" ]; then
-        if [ -f "`command -v gnome-shell`" ]; then
-            echo "Refreshing Gnome icons..."
-            gnome-shell --replace & disown
-            sleep 10
-        fi
-        if [ -f "$HOME/.cache/icon-cache.kcache" ]; then
-            echo "clearing $HOME/.cache/icon-cache.kcache..."
-            rm $HOME/.cache/icon-cache.kcache
-        fi
-        if [ -f "`command -v kquitapp5`" ]; then
-            echo "Refreshing KDE icons..."
-            if [ "`command -v kstart5`" ]; then
-                kquitapp5 plasmashell && kstart5 plasmashell
-            else
-                kquitapp5 plasmashell && kstart plasmashell
-            fi
-            sleep 15
-        fi
-        if [ -f "`command -v xfce4-panel`" ]; then
-            echo "Refreshing Xfce icons..."
-            xfce4-panel -r && xfwm4 --replace
-            sleep 5
-        fi
-        if [ -f "`command -v lxpanelctl`" ]; then
-            echo "Refreshing LXDE icons..."
-            lxpanelctl restart && openbox --restart
-            sleep 5
-        fi
+    MT_BASH_RC_URL=https://raw.githubusercontent.com/poikilos/EnlivenMinetest/master/$MT_BASH_RC_NAME
+    curl $MT_BASH_RC_URL -o "$MT_BASH_RC_PATH"
+    if [ $? -ne 0 ]; then
+        echo
+        echo "ERROR: Downloading $MT_BASH_RC_URL to $MT_BASH_RC_PATH failed."
+        echo
+        sleep 10
+        exit 1
     fi
-}
+fi
+if [ ! -f "$MT_BASH_RC_PATH" ]; then
+    echo
+    echo "$MT_BASH_RC_PATH is not present."
+    echo
+    sleep 10
+    exit 1
+fi
+source $MT_BASH_RC_PATH
 # ^ same as install-minetest-linux64.sh
 
-install_git_mod_here(){
-    git_url="$1"
-    mod_name="$2"
-    if [ -z "$git_url" ]; then
-        customExit "install_git_mod_here requires a URL."
-    fi
-    if [ -z "$mod_name" ]; then
-        customExit "install_git_mod_here requires a mod name as the second parameter."
-    fi
-    if [ ! -d "$mod_name" ]; then
-        git clone "$git_url" "$mod_name"
-    else
-        cd "$mod_name" || customExit "(install_git_mod_here) 'cd \"$mod_name\"' failed in '`pwd`'"
-        echo "* updating '`pwd`' from git..."
-        git pull || echo "WARNING: (install_git_mod_here) 'git pull' failed in '`pwd`'"
-        cd .. || customExit "(install_git_mod_here) 'cd ..' failed in '`pwd`'"
-    fi
-}
+INSTALL_MTS_NAME="install-mts.sh"
+
+echo "* starting install from source..."
+date
+
 enable_server=true
 dest_programs="$HOME"
 #NOTE: $HOME is still used further down, for $HOME/.* and $HOME/i_am_dedicated_minetest_server flag file (which can be empty)
 #TODO: change $HOME/i_am_dedicated_minetest_server to $HOME/.config/EnlivenMinetest/i_am_dedicated_minetest_server or rc file
-extracted_name="linux-minetest-kit"
-extracted_path="$EM_CONFIG_PATH/$extracted_name"
-cd "$EM_CONFIG_PATH" || customExit "[$MY_NAME] cd \"$EM_CONFIG_PATH\" failed."
-flag_dir_rel="$extracted_name/mtsrc"
-code_flag_dir_path="$extracted_path/mtsrc"
+EXTRACTED_SRC_NAME="linux-minetest-kit"
+# EM_CONFIG_PATH is from "minetestenv-in-place.rc".
+EXTRACTED_SRC_PATH="$EM_CONFIG_PATH/$EXTRACTED_SRC_NAME"
+cd "$EM_CONFIG_PATH" || customExit "[$INSTALL_MTS_NAME] cd \"$EM_CONFIG_PATH\" failed."
+flag_dir_rel="$EXTRACTED_SRC_NAME/mtsrc"
+code_flag_dir_path="$EXTRACTED_SRC_PATH/mtsrc"
 if [ -z "$CUSTOM_SCRIPTS_PATH" ]; then
     CUSTOM_SCRIPTS_PATH="$HOME"
 fi
 MT_POST_INSTALL_SCRIPT_1=archive-minetestserver-debug.sh
-scripting_rc_path=~/.config/EnlivenMinetest/scripting.rc
+# scripting_rc_path is set in minetestenv-in-place.rc
 if [ -z "$MT_POST_INSTALL_SCRIPT_2" ]; then
     MT_POST_INSTALL_SCRIPT_2="mts.sh"
     if [ -f "$CUSTOM_SCRIPTS_PATH/mts-CenterOfTheSun.sh" ]; then
@@ -170,20 +88,7 @@ if [ -z "$ENABLE_CLIENT" ]; then
     ENABLE_CLIENT=false
 fi
 
-
-
-if [ -f "$EM_CONFIG_PATH/scripting.rc" ]; then
-    echo "Using $scripting_rc_path..."
-    source $scripting_rc_path
-    # may contain any variables above, plus:
-    # * enable_run_after_compile: if true, then run the server, such as
-    #   ~/mts-CenterOfTheSun.sh
-else
-    echo "* skipping $scripting_rc_path (not present)"
-    echo "  (can contain settings such as enable_run_after_compile=true)"
-fi
-
-pushd "$extracted_path" || customExit "pushd \"$extracted_path\" failed in \"`pwd`\""
+#pushd "$EXTRACTED_SRC_PATH" || customExit "pushd \"$EXTRACTED_SRC_PATH\" failed in \"`pwd`\""
 
 extra_options=""
 for var in "$@"
@@ -192,8 +97,10 @@ do
         ENABLE_CLIENT=true
     elif [ "@$var" = "@--clean" ]; then
         enable_clean=true
+        echo "* --clean is deprecated."
     elif [ "@$var" = "@--noclean" ]; then
         enable_clean=false
+        echo "* --noclean is deprecated."
     else
         customExit "Invalid argument: $var"
     fi
@@ -203,11 +110,12 @@ if [ -z "$enable_clean" ]; then
     enable_clean=true
 fi
 
-echo "enable_clean=\"$enable_clean\"..."
+# echo "enable_clean=\"$enable_clean\"..."
+
 
 # flag_icon="$HOME/Desktop/org.minetest.minetest.desktop"
-good_src_mts="$extracted_path/minetest/bin/minetestserver"
-good_src_mt="$extracted_path/minetest/bin/minetest"
+good_src_mts="$EXTRACTED_SRC_PATH/minetest/bin/minetestserver"
+good_src_mt="$EXTRACTED_SRC_PATH/minetest/bin/minetest"
 this_src_flag_path="$good_src_mts"
 good_dst_mts="$dest_programs/minetest/bin/minetestserver"
 good_dst_mt="$dest_programs/minetest/bin/minetest"
@@ -274,13 +182,13 @@ END
     fi
 
     start=`date +%s`
-    cd "$extracted_path" || customExit "cd \"$extracted_path\" failed."
+    cd "$EXTRACTED_SRC_PATH" || customExit "cd \"$EXTRACTED_SRC_PATH\" failed."
     if [ -f "mtcompile-program.pl" ]; then
         # perl mtcompile-program.pl build >& program.log
         echo "Compiling via perl (this may take a while--output redirected to `pwd`/program.log)..."
         perl mtcompile-program.pl build --server $extra_options >& program.log
     else
-        # NOTE: no pl in $extracted_name, assuming bash:
+        # NOTE: no pl in $EXTRACTED_SRC_NAME, assuming bash:
         if [ -f mtcompile-program.sh ]; then
         echo "Compiling via bash (this may take a while--output redirected to `pwd`/program.log)..."
             bash -e mtcompile-program.sh build --server $extra_options >& program.log
@@ -288,7 +196,7 @@ END
             echo
             echo "ERROR: Install cannot finish since there is no"
             echo " mtcompile-program.pl nor mtcompile-program.pl"
-            echo " in the extracted $extracted_name directory."
+            echo " in the extracted $EXTRACTED_SRC_NAME directory."
             echo
             echo
         fi
@@ -296,12 +204,12 @@ END
     end=`date +%s`
     compile_time=$((end-start))
     echo "Compiling the program finished in $compile_time seconds."
-    cp $extracted_path/release.txt $extracted_path/minetest/ || customWarn "Cannot copy $extracted_path/release.txt to $extracted_path/minetest/"
+    cp $EXTRACTED_SRC_PATH/release.txt $EXTRACTED_SRC_PATH/minetest/ || customWarn "Cannot copy $EXTRACTED_SRC_PATH/release.txt to $EXTRACTED_SRC_PATH/minetest/"
 else
-    echo "* using existing $extracted_path/minetest..."
+    echo "* using existing $EXTRACTED_SRC_PATH/minetest..."
 fi
 if [ ! -f "$this_src_flag_path" ]; then
-    customExit "The build did not complete since '$this_src_flag_path' is missing. Maybe you didn't compile the libraries. Running reset-minetest-install-source.sh should do that automatically, but you can also do: cd $extracted_path && ./mtcompile-libraries.sh build"
+    customExit "The build did not complete since '$this_src_flag_path' is missing. Maybe you didn't compile the libraries. Running reset-minetest-install-source.sh should do that automatically, but you can also do: cd $EXTRACTED_SRC_PATH && ./mtcompile-libraries.sh build"
 fi
 if [ -f "$this_dst_flag_path" ]; then
     mv -f "$this_dst_flag_path" "$this_dst_flag_path.bak"
@@ -309,283 +217,37 @@ fi
 if [ -f "$this_dst_flag_path" ]; then
     customExit "Install is incomplete because it can't move '$this_dst_flag_path'."
 fi
-if [ ! -d "$extracted_path/minetest" ]; then
-    customExit "Install is incomplete because \"$extracted_path/minetest\" is missing."
-fi
-virtual_dest="$dest_programs/minetest"
-link_target=`readlink $virtual_dest`
-# install_dest="/tank/local/owner/minetest"
-install_dest="$virtual_dest"
-dest_official_game="$dest_programs/minetest/games/Bucket_Game"
-dest_enliven="$dest_programs/minetest/games/ENLIVEN"
-skins_dst="$dest_enliven/mods/codercore/coderskins/textures"
-skins_bak="$HOME/Backup/ENLIVEN/mods/codercore/coderskins/textures"
-official_game_mod_list="coderbuild codercore coderedit coderfood codermobs decorpack mtmachines"
-dest_enliven_mods="$dest_enliven/mods"
-if [ "@$enable_clean" = "@true" ]; then
-    echo "* cleaning destination..."
-    if [ -d "$dest_official_game" ]; then
-        echo "  - erasing '$dest_official_game'..."
-        rm -Rf "$dest_official_game"
-    fi
-    if [ -d "$dest_enliven" ]; then
-        if [ -d "$skins_dst" ]; then
-            echo "  - Backing up '$skins_dst' to '$skins_bak'..."
-            if [ ! -d "$skins_bak" ]; then
-                mkdir -p "$skins_bak" || customExit "* cannot create $skins_bak"
-            fi
-            rsync -rt "$skins_dst/" "$skins_bak"
-        fi
-        for var in $official_game_mod_list
-        do
-            if [ -d "$dest_enliven_mods/$var" ]; then
-                echo "  - erasing '$dest_enliven_mods/$var'..."
-                rm -Rf "$dest_enliven_mods/$var" || customExit "rm -Rf \"$dest_enliven_mods/$var\" failed"
-                # See rsync further down for installation of each of these
-            else
-                echo "  - already clean: no '$dest_enliven_mods/$var'..."
-            fi
-        done
-    fi
+if [ ! -d "$EXTRACTED_SRC_PATH/minetest" ]; then
+    customExit "Install is incomplete because \"$EXTRACTED_SRC_PATH/minetest\" is missing."
 fi
 
-enliven_warning=""
-if [ -d "$dest_enliven_mods" ]; then
-    pushd "$dest_enliven_mods" || customExit "'pushd \"$dest_enliven_mods\"' failed."
-    install_git_mod_here https://github.com/BenjieFiftysix/sponge.git sponge
-    install_git_mod_here https://github.com/poikilos/metatools.git metatools
-    install_git_mod_here https://github.com/MinetestForFun/fishing.git fishing
-    install_git_mod_here https://github.com/minetest-mods/throwing.git throwing
-    install_git_mod_here https://github.com/minetest-mods/ccompass.git ccompass
-    install_git_mod_here https://github.com/minetest-mods/throwing_arrows.git throwing_arrows
 
-    popd || customExit "'popd' failed."
-else
-    enliven_warning="$enliven_warning* WARNING: Installing ENLIVEN mods was skipped since '$dest_enliven_mods' does not exist."
-fi
-if [ ! -z "$link_target" ]; then
-    install_dest="$link_target"
-    echo "* detected that $virtual_dest is a symlink to $link_target"
-    echo "  (redirecting rsync to prevent symlink to dir conversion: installing to $install_dest"
-    echo "   and recreating symlink '$virtual_dest' pointing to '$install_dest')..."
-    rsync -rt "$extracted_path/minetest/" "$install_dest" || customExit "Cannot rsync files from installer data $extracted_path/minetest/ to $install_dest"
-    if [ ! -d "$dest_programs/minetest" ]; then
-        echo "* creating link to $install_dest directory as $dest_programs/minetest..."
-        ln -s "$install_dest" "$dest_programs/minetest"
-    fi
-else
-    echo "Installing \"$extracted_path/minetest\" directory to \"$dest_programs\"..."
-    rsync -rt --info=progress2 $extracted_path/minetest/ $install_dest || customExit "Cannot rsync files from installer data $extracted_path/minetest/ to $install_dest"
-fi
-if [ ! -f "$this_dst_flag_path" ]; then
-    customExit "ERROR: not complete--couldn't install binary as '$this_dst_flag_path'"
-fi
 
-dst_game_flag_dir_path="$dest_official_game"
-if [ ! -d "$dst_game_flag_dir_path" ]; then
-    customExit "ERROR: missing $dst_game_flag_dir_path"
-fi
-if [ ! -d "$dest_programs/minetest/games/ENLIVEN" ]; then
-    echo "Copying $dst_game_flag_dir_path to $dest_programs/minetest/games/ENLIVEN..."
-    cp -R "$dst_game_flag_dir_path" "$dest_programs/minetest/games/ENLIVEN"
-    echo "name = ENLIVEN" > "$dest_programs/minetest/games/ENLIVEN/game.conf"
-else
-
-    for mod_name in $official_game_mod_list
-    do
-        echo "  - updating $mod_name from '$dst_game_flag_dir_path/mods/$mod_name' to '$dest_programs/minetest/games/ENLIVEN/mods'..."
-        rsync -rt --delete "$dst_game_flag_dir_path/mods/$mod_name" "$dest_programs/minetest/games/ENLIVEN/mods"
-    done
-    # cp -f "$dst_game_flag_dir_path/mods/LICENSE" "$dest_programs/minetest/games/ENLIVEN/mods/LICENSE"
-    if [ -d "$skins_bak" ]; then
-        echo "  - restoring skins from '$skins_bak'..."
-        rsync -rt "$skins_bak/" "$skins_dst"
-    fi
-fi
-popd
-
-# pushd ..  # go from EnlivenMinetest/webapp to EnlivenMinetest
-# PATCHES_DIR_NAME="patches"
-if [ -z "$REPO_PATH" ]; then
-    REPO_PATH="$HOME/git/EnlivenMinetest"
-fi
-PATCHES_PATH="$REPO_PATH/patches"
-if [ -d "$PATCHES_PATH" ]; then
-    # pushd "$REPO_PATH"
-
-src="$PATCHES_PATH/subgame/menu"
-dst="$dest_programs/minetest/games/ENLIVEN/menu"
-echo "updating '$dst' from '$src/'..."
-rsync -rt "$src/" "$dst"
-
-src="$PATCHES_PATH/Bucket_Game-patched"
-dst="$dest_programs/minetest/games/ENLIVEN"
-echo "updating '$dst' from '$src/'..."
-rsync -rt "$src/" "$dst"
-if [ -d "$dst/mods/coderfood/food_basic/etc" ]; then
-  rm -Rf "$dst/mods/coderfood/food_basic/etc"
-fi
-
-minetest_conf_dest="$dest_programs/minetest/minetest.conf"
-game_minetest_conf_dest="$dest_programs/minetest/games/ENLIVEN/minetest.conf"
-
-# Bucket_Game doesn't come with a minetest.conf, only minetest.conf.example* files
-# if [ ! -f "$dest_programs/minetest/minetest.Bucket_Game-example.conf" ]; then
-#     cp -f "$$minetest_conf_dest" "$dest_programs/minetest/minetest.Bucket_Game-example.conf"
-# fi
-
-client_example_dest="$dest_programs/minetest/minetest.ENLIVEN.client-example.conf"
-
-echo "Installing minetest.ENLIVEN.*-example.conf files..."
-cp -f "$PATCHES_PATH/subgame/minetest.LAN-client-example.conf" "$dest_programs/minetest/minetest.ENLIVEN.LAN-client-example.conf" || customExit "Cannot copy minetest.ENLIVEN.LAN-client-example.conf"
-cp -f "$PATCHES_PATH/subgame/minetest.server-example.conf"     "$dest_programs/minetest/minetest.ENLIVEN.server-example.conf" || customExit "Cannot copy minetest.ENLIVEN.server-example.conf"
-cp -f "$PATCHES_PATH/subgame/minetest.client-example.conf"     "$dest_programs/minetest/minetest.ENLIVEN.client-example.conf" || customExit "Cannot copy minetest.ENLIVEN.client-example.conf"
-
-echo "Writing '$game_minetest_conf_dest'..."
-cp -f "$PATCHES_PATH/subgame/minetest.conf" "$game_minetest_conf_dest"
-
-# client conf writing only ever happens once, unless you manually delete $minetest_conf_dest:
-if [ ! -f "$minetest_conf_dest" ]; then
-    # if [ -f "$minetest_conf_dest" ]; then
-        # echo "Backing up minetest.conf..."
-        # if [ ! -f "$minetest_conf_dest.1st" ]; then
-            # cp -f "$minetest_conf_dest" "$minetest_conf_dest.1st"
-        # else
-            # cp -f "$minetest_conf_dest" "$minetest_conf_dest.bak"
-        # fi
-    # fi
-    echo "Writing minetest.conf (client region)..."
-    cp -f "$PATCHES_PATH/subgame/minetest.client-example.conf" "$minetest_conf_dest"  || customExit "Cannot copy minetest.client-example.conf to $minetest_conf_dest"
-    echo "Appending example settings (server region) to '$minetest_conf_dest'..."
-    cat "$PATCHES_PATH/subgame/minetest.server-example.conf" >> "$minetest_conf_dest" || customExit "Cannot append minetest.server-example.conf"
-else
-    echo "$minetest_conf_dest exists (remove it if you want the installer to write an example version)"
-fi
-
-
-if [ -f "$minetest_conf_dest" ]; then
-    cat << END
-NOTE: minetest.org releases allow you to put a world.conf file in your
-  world, so that is the file you should edit manually in your world
-  --this installer overwrites $minetest_conf_dest and
-  worlds/CenterOfTheSun settings (the author Poikilos' world).
-  Continue to place server settings such as announce in
-  $minetest_conf_dest.
-  Leave $game_minetest_conf_dest intact, as it defines the game.
-  If you have suggestions for changes or configurability, please use the
-  issue tracker at <https://github.com/poikilos/EnlivenMinetest>.
-
-END
-fi
-
-
-world_override_src="overrides/CenterOfTheSun/minetest/worlds/CenterOfTheSun"
-world_override_dst="$HOME/.minetest/worlds/CenterOfTheSun"
-world_override_dst="$HOME/.minetest/worlds/CenterOfTheSun"
-try_world_override_dst="$HOME/minetest/worlds/CenterOfTheSun"
-if [ -d "$try_world_override_dst" ]; then
-    world_override_dst="$try_world_override_dst"
-fi
-world_conf_src="$world_override_src/world.conf"
-world_conf_dst="$world_override_dst/world.conf"
-world_mt_src="$world_override_src/world.mt"
-world_mt_dst="$world_override_dst/world.mt"
-override_more="overrides/CenterOfTheSun/games/ENLIVEN"
-appends="overrides/CenterOfTheSun/append"
-minetest_conf_append="$appends/minetest.conf"
-if [ -d "$world_override_dst" ]; then
-    echo "You have the CenterOfTheSun world. Listing any changes..."
-    if [ -f "$world_conf_src" ]; then
-        if [ -f "$world_conf_dst" ]; then
-            echo " * overwrite $world_conf_dst with $world_conf_src"
-        else
-            echo " * add the world.conf from $world_conf_src"
-        fi
-        cp -f "$world_conf_src" "$world_conf_dst"
-    fi
-    if [ -f "$minetest_conf_append" ]; then
-        cat "$minetest_conf_append" >> "$minetest_conf_dest"
-    fi
-fi
-
-
-
-
-if [ "@$ENABLE_CLIENT" = "@true" ]; then
-    #params: _SRC_SHORTCUT_PATH, _DST_SHORTCUT_NAME, _EXEC, _WORKING_DIR, _ICON, _CAPTION:
-    SHORTCUT_PATH="$PATCHES_PATH/deploy-patched/misc/org.minetest.minetest.desktop"
-    EXEC_PATH="$dest_programs/minetest/bin/minetest"
-    WORKING_DIR_PATH="$dest_programs/minetest/bin"
-    MT_ICON="$dest_programs/minetest/misc/minetest-xorg-icon-128.png"
-    install_shortcut "$SHORTCUT_PATH" "org.minetest.minetest.desktop" "$EXEC_PATH" "$WORKING_DIR_PATH" "$MT_ICON" "Final Minetest"
-fi
-
-if [ -f $dest_programs/minetest/games/ENLIVEN/mods/codermobs/codermobs/animal_materials.lua ]; then
-    if [ -d $PATCHES_PATH/mods-stopgap/animal_materials_legacy ]; then
-        echo "* installing animal_materials_legacy (only needed for worlds created with old versions of Bucket_Game)"
-        rsync -rt $PATCHES_PATH/mods-stopgap/animal_materials_legacy $dest_programs/minetest/games/ENLIVEN/mods/
-    else
-        echo "* MISSING $PATCHES_PATH/mods-stopgap/animal_materials"
-    fi
-else
-    echo "* SKIPPING a stopgap mod since no animal_materials"
-fi
-
-if [ -f $dest_programs/minetest/games/ENLIVEN/mods/codermobs/codermobs/elk.lua ]; then
-    if [ -d $PATCHES_PATH/mods-stopgap/elk_legacy ]; then
-        echo "* installing elk_legacy (only needed for worlds created with old versions of Bucket_Game)"
-        rsync -rt $PATCHES_PATH/mods-stopgap/elk_legacy $dest_programs/minetest/games/ENLIVEN/mods/
-    else
-        echo "* MISSING $PATCHES_PATH/mods-stopgap/elk_legacy"
-    fi
-else
-    echo "* SKIPPING a stopgap mod since no elk.lua"
-fi
-
-if [ -d "$dest_programs/minetest/games/ENLIVEN/mods/coderbuild/nftools" ]; then
-    if [ -d $PATCHES_PATH/mods-stopgap/nftools_legacy ]; then
-        echo "* installing nftools_legacy (only needed for worlds created with old versions of Bucket_Game)"
-        rsync -rt $PATCHES_PATH/mods-stopgap/nftools_legacy $dest_programs/minetest/games/ENLIVEN/mods/
-    else
-        echo "* MISSING $PATCHES_PATH/mods-stopgap/nftools_legacy"
-    fi
-else
-    echo "* SKIPPING a stopgap mod since no nftools"
-fi
-
-# popd
-else
-    cat <<END
-$PATCHES_PATH is missing. To fix this, set:
-
-    REPO_PATH=$HOME/git/EnlivenMinetest
-    # in \"$scripting_rc_path\" or the environment.
-END
-fi
-
-settings_dump="`pwd`/settings-dump.txt"
-settings_types_list="`pwd`/settingtypes-list.txt"
-# grep -r `pwd`/linux-minetest-kit/minetest/games/Bucket_Game -e "setting_get" > $settings_dump
-pushd linux-minetest-kit/minetest/games
-if [ ! -f "$settings_dump" ]; then
-    echo "Creating $settings_dump..."
-    grep -r Bucket_Game -e "setting_get" > $settings_dump
-    grep -r Bucket_Game -e "minetest.settings:get" >> $settings_dump
-else
-    echo "* $settings_dump was already created"
-fi
-if [ ! -f "$settings_types_list" ]; then
-    echo "Creating $settings_types_list..."
-    find Bucket_Game -name "settingtypes.txt" > $settings_types_list
-else
-    echo "* $settings_types_list was already created"
-fi
-popd
 echo "* finished compiling."
-if [ -f "$extracted_path/release.txt" ]; then
-    versionLine=`cat $extracted_path/release.txt | grep Release`
-    echo "  - version: $versionLine"
-fi
+INSTALL_PATH="$HOME/minetest"
+echo "* installing Minetest..."
+if [ -z "$EM_TMP" ]; then
+    customWarn "EM_TMP was not set."
+    EM_TMP="/tmp/EnlivenMintest"
+fi
+tmp_mt_copy=$EM_TMP/minetest
+if [ -d "$tmp_mt_copy" ]; then
+    echo "* removing old $tmp_mt_copy..."
+    rm -Rf "$tmp_mt_copy" || customExit "rm -Rf \"$tmp_mt_copy\" failed."
+fi
+old_release_line=
+old_release_version=
+detect_installed_mt_version "1st" "bak"
+echo "* making temporary copy at $tmp_mt_copy..."
+cp -R "$EXTRACTED_SRC_PATH/minetest" "$tmp_mt_copy"
+detect_mt_version_at "$tmp_mt_copy"
+installOrUpgradeMinetest "$tmp_mt_copy" "$INSTALL_PATH"
+echo "  - old:$old_release_version; new:$new_release_version"
+echo "* installing ENLIVEN..."
+installOrUpgradeENLIVEN "$INSTALL_PATH"
+echo "* analyzing settings..."
+analyzeGameSettings $EXTRACTED_SRC_PATH/minetest/games/Bucket_Game
+
 if [ "@$enable_run_after_compile" = "@true" ]; then
     echo "Trying to run minetest or other custom post-install script"
     echo "(enable_run_after_compile is true in '$scripting_rc_path')."
@@ -609,7 +271,7 @@ ERROR: enable_run_after_compile is true, but
   '$scripting_rc_path'
 END
         fi
-        popd
+        #popd
     else
         cat <<END
 ERROR: enable_run_after_compile is true, but
@@ -619,6 +281,7 @@ ERROR: enable_run_after_compile is true, but
 END
     fi
 fi
+echo "* done"
 echo "$enliven_warning"
 echo
 echo
diff --git a/minetestenv-in-place.rc b/minetestenv-in-place.rc
index 883a92c..32e7b96 100644
--- a/minetestenv-in-place.rc
+++ b/minetestenv-in-place.rc
@@ -1,6 +1,45 @@
 #!/bin/bash
 EM_CONFIG_PATH="$HOME/.config/EnlivenMinetest"
+EM_CACHE_PATH="$HOME/.cache/EnlivenMinetest"
+MT_ENV_RUP_NAME="minetestenv-in-place.rc"
+if [ -z "$EM_TMP" ]; then
+    EM_TMP=/tmp/EnlivenMinetest
+fi
+#QUIET=true
+scripting_rc_path=~/.config/EnlivenMinetest/scripting.rc
+if [ -f "$EM_CONFIG_PATH/scripting.rc" ]; then
+    echo "* [$MT_ENV_RUP_NAME] using $scripting_rc_path..."
+    source $scripting_rc_path
+    # may contain any variables above, plus:
+    # * enable_run_after_compile: if true, then run the server, such as
+    #   ~/mts-CenterOfTheSun.sh
+else
+    echo "* \"$scripting_rc_path\" is not present and has been skipped."
+    echo "  The file can contain settings such as:"
+    echo "    enable_run_after_compile=true"
+    echo "    REPO_PATH=$HOME/Downloads/git/EnlivenMinetest"
+fi
 
+if [ -z "$REPO_PATH" ]; then
+    TRY_REPO_PATH="$HOME/git/EnlivenMinetest"
+    #if [ -d "$TRY_REPO_PATH" ]; then
+    REPO_PATH="$TRY_REPO_PATH"
+    #fi
+    TRY_REPO_PATH="$HOME/Downloads/git/EnlivenMinetest"
+    if [ -d "$TRY_REPO_PATH" ]; then
+        REPO_PATH="$TRY_REPO_PATH"
+    fi
+    TRY_REPO_PATH="`pwd`"
+    if [ -f "$TRY_REPO_PATH/$MT_ENV_RUP_NAME" ]; then
+        REPO_PATH="$TRY_REPO_PATH"
+    fi
+    if [ -d "$REPO_PATH" ]; then
+        echo "* [minetestenv-in-place.rc] using REPO_PATH \"$REPO_PATH\""
+    fi
+fi
+#if [ ! -d "$REPO_PATH" ]; then
+    # "[$MT_ENV_RUP_NAME] WARNING: REPO_PATH \"$REPO_PATH\" does not exist, so certain features will not be available."
+#fi
 customExit() {
     errorCode=1
     if [ ! -z "$2" ]; then
@@ -26,15 +65,15 @@ $1
 
 END
     echo -en "\a" > /dev/tty0  # beep (You must specify a tty path if not in console mode)
-    echo "Press Ctrl+C to cancel..."
+    #echo "Press Ctrl+C to cancel..."
     sleep 1
-    echo -en "\a" > /dev/tty0
+    #echo -en "\a" > /dev/tty0
     echo "3..."
     sleep 1
-    echo -en "\a" > /dev/tty0
+    #echo -en "\a" > /dev/tty0
     echo "2..."
     sleep 1
-    echo -en "\a" > /dev/tty0
+    #echo -en "\a" > /dev/tty0
     echo "1..."
     sleep 1
 }
@@ -80,7 +119,7 @@ install_shortcut(){
     fi
     # Icon must be an absolute path (other variables use $HOME in
     # desktop file above), so exclude it above and rewrite it below:
-    echo "Path=$dest_programs/minetest/bin" >> "$dest_icon"
+    echo "Path=$_WORKING_DIR" >> "$dest_icon"
     if [ ! -z "$_CAPTION" ]; then
         echo "Name=$_CAPTION" >> "$dest_icon"
     fi
@@ -128,16 +167,16 @@ install_mt_in_place_shortcut(){
     # valid Minetest ".desktop" file.
     # You must either set INSTALL_PATH or the second parameter to a
     # valid installed minetest directory (containing bin).
-    if [ ! -f "$SHORTCUT_PATH" ]; then
+    #if [ ! -f "$SHORTCUT_PATH" ]; then
         if [ ! -z "$1" ]; then
             SHORTCUT_PATH="$1"
         fi
-    fi
-    if [ ! -d "$INSTALL_PATH" ]; then
+    #fi
+    #if [ ! -d "$INSTALL_PATH" ]; then
         if [ ! -z "$2" ]; then
             INSTALL_PATH="$2"
         fi
-    fi
+    #fi
     if [ ! -f "$SHORTCUT_PATH" ]; then
         echo "* WARNING: The SHORTCUT_PATH $SHORTCUT_PATH does not exist."
     elif [ ! -d "$INSTALL_PATH" ]; then
@@ -165,16 +204,17 @@ upgradeAndMerge(){
     # 1. UPGRADE_TYPE: a minetest subdirectory such as "worlds"
     # 2. INSTALL_PATH: a valid installed copy of minetest
     # 3. OLD_VERSION_PATH: a valid old installed copy of minetest
-    # 4. (optional) "inplace" to copy instead of move and to only affect
-    #    OLD_VERSION_PATH such as for:
+    # 4. (optional) "inplace" to copy instead of "move" and to only
+    #    affect OLD_VERSION_PATH such as for:
     #    upgradeAndMerge "mods" "$INSTALL_PATH/games/Bucket_Game" "$INSTALL_PATH/games/ENLIVEN" "inplace"
     if [ ! -z "$1" ]; then
         # worlds, games, or something else
         UPGRADE_TYPE="$1"
     fi
+    upgrades_base_path="$INSTALL_PATH"
     if [ ! -z "$2" ]; then
         # ~/minetest or
-        INSTALL_PATH="$2"
+        upgrades_base_path="$2"
     fi
     if [ ! -z "$3" ]; then
         OLD_VERSION_PATH="$3"
@@ -183,43 +223,65 @@ upgradeAndMerge(){
     if [ ! -z "$4" ]; then
         UPGRADE_MODE="$4"
     fi
-    if [ ! -d "$INSTALL_PATH/$UPGRADE_TYPE" ]; then
-        customExit "* WARNING: The $UPGRADE_TYPE upgrade will be skipped since the UPGRADE_TYPE directory \"$UPGRADE_TYPE\" is not present in the INSTALL_PATH \"$INSTALL_PATH\"."
+    if [ ! -d "$upgrades_base_path/$UPGRADE_TYPE" ]; then
+        customExit "* WARNING: The $UPGRADE_TYPE upgrade will be skipped since the UPGRADE_TYPE directory \"$UPGRADE_TYPE\" is not present in the upgrades_base_path \"$upgrades_base_path\"."
     else
-        echo "* upgrading $UPGRADE_TYPE"
-        for SUB_PATH in `find $INSTALL_PATH/$UPGRADE_TYPE -maxdepth 1`
+        #echo "* upgrading $UPGRADE_TYPE"
+        for SUB_PATH in `find $upgrades_base_path/$UPGRADE_TYPE -maxdepth 1`
         do
             SUB_NAME="`basename $SUB_PATH`"
-            if [ "$SUB_PATH" = "$INSTALL_PATH/$UPGRADE_TYPE" ]; then
-                echo "  * examining $SUB_PATH..."
+            if [ "$SUB_PATH" = "$upgrades_base_path/$UPGRADE_TYPE" ]; then
+                echo "  * upgrading $SUB_PATH..."
             elif [ -d "$SUB_PATH" ]; then
-                echo "  * upgrading $SUB_NAME..."
+                if [ "@$QUIET" != "@true" ]; then
+                    echo "    * upgrading $SUB_NAME..."
+                fi
                 if [ -d "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" ]; then
                     # Remove the old version (the one to upgrade and
                     # keep if $UPGRADE_MODE is not move, otherwise the
-                    # one to upgrade and later move to INSTALL_PATH!)
+                    # one to upgrade and later move to upgrades_base_path!)
                     rm -Rf "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" || customExit "* rm -Rf \"$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME\" failed."
                     if [ "@$UPGRADE_MODE" = "@move" ]; then
-                        mv "$SUB_PATH" "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" || customExit "mv \"$SUB_PATH\" \"$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME\""
+                        #if [ "@$QUIET" != "@true" ]; then
+                        #    echo "    - moving $SUB_PATH..."
+                        #fi
+                        mv "$SUB_PATH" "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" || customExit "mv \"$SUB_PATH\" \"$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME\" failed for the SUB_PATH directory on the destination"
                     else
-                        cp -R "$SUB_PATH" "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" || customExit "cp -R \"$SUB_PATH\" \"$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME\""
+                        cp -R "$SUB_PATH" "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" || customExit "cp -R \"$SUB_PATH\" \"$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME\" failed for the SUB_PATH directory on the destination"
+                    fi
+                else
+                    if [ "@$UPGRADE_MODE" = "@move" ]; then
+                        #echo "    - moving $SUB_PATH..."
+                        if [ ! -d "$OLD_VERSION_PATH/$UPGRADE_TYPE" ]; then
+                            mkdir -p "$OLD_VERSION_PATH/$UPGRADE_TYPE"
+                        fi
+                        mv "$SUB_PATH" "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" || customExit "mv \"$SUB_PATH\" \"$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME\" for the SUB_PATH directory that is not on the destination."
+                        # ^ so that rmdir doesn't fail below.
                     fi
                 fi
             else
-                echo "  * upgrading $SUB_NAME..."
+                if [ "@$QUIET" != "@true" ]; then
+                    echo "    * upgrading $SUB_NAME..."
+                fi
                 if [ "@$UPGRADE_MODE" = "@move" ]; then
-                    mv -f "$SUB_PATH" "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" || customExit "mv \"$SUB_PATH\" \"$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME\""
+                    #if [ "@$QUIET" != "@true" ]; then
+                    #    echo "    - moving $SUB_PATH..."
+                    #fi
+                    if [ ! -d "$OLD_VERSION_PATH/$UPGRADE_TYPE" ]; then
+                        mkdir -p "$OLD_VERSION_PATH/$UPGRADE_TYPE" || customExit "mkdir -p \"$OLD_VERSION_PATH/$UPGRADE_TYPE\" failed for the SUB_PATH file on the destination."
+                    fi
+                    mv -f "$SUB_PATH" "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" || customExit "mv \"$SUB_PATH\" \"$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME\" failed for the SUB_PATH file on the destination"
                 else
-                    cp -f "$SUB_PATH" "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" || customExit "cp \"$SUB_PATH\" \"$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME\""
+                    cp -f "$SUB_PATH" "$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME" || customExit "cp \"$SUB_PATH\" \"$OLD_VERSION_PATH/$UPGRADE_TYPE/$SUB_NAME\" failed for the SUB_PATH file on the destination"
                 fi
             fi
         done
         if [ "@$UPGRADE_MODE" = "@move" ]; then
-            rmdir "$INSTALL_PATH/$UPGRADE_TYPE" || customExit "rmdir \"$INSTALL_PATH/$UPGRADE_TYPE\" failed."
-            mv "$OLD_VERSION_PATH/$UPGRADE_TYPE" "$INSTALL_PATH/" || customExit "mv \"$OLD_VERSION_PATH/$UPGRADE_TYPE\" \"$INSTALL_PATH/\""
-            echo "  * $OLD_VERSION_PATH/$UPGRADE_TYPE is now upgraded and moved to \"$INSTALL_PATH/$UPGRADE_TYPE\"."
-        else
-            echo "  * $OLD_VERSION_PATH is now upgraded in place (\"$INSTALL_PATH/$UPGRADE_TYPE\" was left untouched as expected)."
+            rmdir "$upgrades_base_path/$UPGRADE_TYPE" || customExit "rmdir \"$upgrades_base_path/$UPGRADE_TYPE\" failed while upgrading \"$OLD_VERSION_PATH\"."
+            mv "$OLD_VERSION_PATH/$UPGRADE_TYPE" "$upgrades_base_path/" || customExit "mv \"$OLD_VERSION_PATH/$UPGRADE_TYPE\" \"$upgrades_base_path/\""
+            # echo "  * $OLD_VERSION_PATH/$UPGRADE_TYPE is now upgraded and moved to \"$upgrades_base_path/$UPGRADE_TYPE\"."
+        #else
+            #echo "  * $OLD_VERSION_PATH has been upgraded in place (\"$upgrades_base_path/$UPGRADE_TYPE\" remains untouched)."
         fi
     fi
 }
@@ -262,9 +324,12 @@ installOrUpgradeMinetest(){
     # You must set the following variables or sequential parameters:
     # 1. NEW_VERSION_PATH
     # 2. INSTALL_PATH
-    # 3. VERSIONED_MT_PATH (a path that does not yet exist but will
-    #    store the old version temporarily until user data is moved
-    #    to the new version and other data is deleted)
+    # 3. (optional) VERSIONED_MT_PATH (a path that does not yet exist
+    #    but will store the old version temporarily until user data is
+    #    moved to the new version and other data is deleted).
+    #    If not set, it will become $INSTALL_PATH.$new_release_version
+    #    ($new_release_version must be present, and is set above by
+    #    this rc file).
     if [ ! -z "$1" ]; then
         NEW_VERSION_PATH="$1"
     fi
@@ -273,10 +338,54 @@ installOrUpgradeMinetest(){
     fi
     if [ ! -z "$3" ]; then
         VERSIONED_MT_PATH="$3"
+    else
+        if [ -z "$old_release_version" ]; then
+            customExit "old_release_version was not detected. This should never happen (it should at least be 1st or bak or something)."
+        fi
+        if [ -z "$INSTALL_PATH" ]; then
+            customExit "INSTALL_PATH was not detected. This should never happen."
+        fi
+        VERSIONED_MT_PATH="$INSTALL_PATH.$old_release_version"
+        echo "  * [installOrUpgradeMinetest] using $VERSIONED_MT_PATH for remnants"
+    fi
+    install_dest="$INSTALL_PATH"
+    # ^ make a separate variable since it will change if a symlink
+    if [ -z "$this_dst_flag_path" ]; then
+        this_dst_flag_path="$INSTALL_PATH/bin/minetest"
+    fi
+
+    #rsync -rt --info=progress2 "$EXTRACTED_SRC_PATH/minetest/" "$install_dest" || customExit "Cannot rsync files from installer data $EXTRACTED_SRC_PATH/minetest/ to $install_dest"
+    if [ -z "$new_release_version" ]; then
+        customExit "You must call detect_mt_version_at such as 'detect_mt_version_at \"$NEW_VERSION_PATH\"' before running installOrUpgradeMinetest."
+    fi
+    #echo "Checking $new_release_version..."
+    if [ "@$new_release_version" = "@new" ]; then
+        customWarn "The new version wasn't detected properly (using \"new\")"
+    else
+        echo "  - installing or upgrading using version $new_release_version..."
     fi
+
     if [ -d "$NEW_VERSION_PATH" ]; then
-        # cd "$HOME" || customExit "cd \"$HOME\" failed."
-        if [ -d "$INSTALL_PATH" ]; then
+        virtual_dest="$install_dest"
+        link_target=`readlink $virtual_dest`
+        # install_dest="/tank/local/owner/minetest"
+        #install_dest="$virtual_dest"
+        ENABLE_RELINK=false
+        if [ ! -z "$link_target" ]; then
+            ENABLE_RELINK=true
+            if [ ! -d "$link_target" ]; then
+                customExit "The link \"$virtual_dest\" points to a directory that does not exist: \"$link_target\""
+            fi
+            install_dest="$link_target"
+            echo "* detected that $virtual_dest is a symlink to $link_target"
+            echo "  (redirecting rsync to prevent symlink to dir conversion: installing to $install_dest"
+            echo "   and recreating symlink '$virtual_dest' pointing to '$install_dest')..."
+        else
+            echo "Installing \"$EXTRACTED_SRC_PATH/minetest\" directory as \"$install_dest\"..."
+        fi
+
+
+        if [ -d "$install_dest" ]; then
             if [ -z "$VERSIONED_MT_PATH" ]; then
                 customExit "You must specify the VERSIONED_MT_PATH (such as \"$HOME/minetest.bak\" or another unused directory) to retain and merge the old version's user data since the old version exists."
             fi
@@ -290,71 +399,119 @@ installOrUpgradeMinetest(){
             if [ ! -f "`command -v find`" ]; then
                 customExit "Install cannot continue because the find command is not present."
             fi
-            mv "$INSTALL_PATH" "$VERSIONED_MT_PATH"
-            mv "$NEW_VERSION_PATH" "$INSTALL_PATH"
+            mv "$install_dest" "$VERSIONED_MT_PATH"
+            mv "$NEW_VERSION_PATH" "$install_dest"
 
-            moveIfExists "$VERSIONED_MT_PATH/client/serverlist/favoriteservers.txt" "$NEW_VERSION_PATH/client/serverlist/favoriteservers.txt"
+            #moveIfExists "$VERSIONED_MT_PATH/client/serverlist/favoriteservers.txt" "$install_dest/client/serverlist/favoriteservers.txt"
+            moveIfExists "$VERSIONED_MT_PATH/client/serverlist/favoriteservers.txt" "$install_dest/client/serverlist/favoriteservers.txt"
             if [ -d "$VERSIONED_MT_PATH/client/serverlist" ]; then
                 rmdir --ignore-fail-on-non-empty "$VERSIONED_MT_PATH/client/serverlist"
             fi
-            upgradeAndMerge "client" "$INSTALL_PATH" "$VERSIONED_MT_PATH"
-            upgradeAndMerge "clientmods" "$INSTALL_PATH" "$VERSIONED_MT_PATH"
-            upgradeAndMerge "games" "$INSTALL_PATH" "$VERSIONED_MT_PATH"
-            upgradeAndMerge "worlds" "$INSTALL_PATH" "$VERSIONED_MT_PATH"
-            upgradeAndMerge "mods" "$INSTALL_PATH" "$VERSIONED_MT_PATH"
-            upgradeAndMerge "textures" "$INSTALL_PATH" "$VERSIONED_MT_PATH"
-            upgradeAndMerge "media" "$INSTALL_PATH/cache" "$VERSIONED_MT_PATH/cache"
+            upgradeAndMerge "client" "$install_dest" "$VERSIONED_MT_PATH"
+            upgradeAndMerge "clientmods" "$install_dest" "$VERSIONED_MT_PATH"
+            upgradeAndMerge "games" "$install_dest" "$VERSIONED_MT_PATH"
+            upgradeAndMerge "worlds" "$install_dest" "$VERSIONED_MT_PATH"
+            upgradeAndMerge "mods" "$install_dest" "$VERSIONED_MT_PATH"
+            PREV_QUIET="$QUIET"
+            QUIET=true
+            upgradeAndMerge "textures" "$install_dest" "$VERSIONED_MT_PATH"
+            upgradeAndMerge "media" "$install_dest/cache" "$VERSIONED_MT_PATH/cache"
             deleteIfExists "$VERSIONED_MT_PATH/media"
+            QUIET="$PREV_QUIET"
             deleteIfExists "$VERSIONED_MT_PATH/minetest.conf.example"
             deleteIfExists "$VERSIONED_MT_PATH/minetest.conf.example.extra"
             deleteIfExists "$VERSIONED_MT_PATH/bin/minetest"
             deleteIfExists "$VERSIONED_MT_PATH/bin/minetestserver"
+            deleteIfExists "$VERSIONED_MT_PATH/bin/minetest.bak"
             deleteIfExists "$VERSIONED_MT_PATH/bin/minetest.bin"
+            deleteIfExists "$VERSIONED_MT_PATH/bin/minetestserver.bak"
             deleteIfExists "$VERSIONED_MT_PATH/bin/minetestserver.bin"
+            deleteIfExists "$VERSIONED_MT_PATH/bin/debug.txt"
             rmdir --ignore-fail-on-non-empty "$VERSIONED_MT_PATH/bin"
-            # upgradeAndMerge "util" "$INSTALL_PATH" "$VERSIONED_MT_PATH"
+            # upgradeAndMerge "util" "$install_dest" "$VERSIONED_MT_PATH"
             # ^ texture packs
-            upgradeAndMerge "clientmods" "$INSTALL_PATH" "$VERSIONED_MT_PATH"
-            moveIfExistsOrDeleteIfOnDest "$VERSIONED_MT_PATH/minetest.ENLIVEN.client-example.conf" "$INSTALL_PATH/minetest.ENLIVEN.client-example.conf"
-            moveIfExistsOrDeleteIfOnDest "$VERSIONED_MT_PATH/minetest.ENLIVEN.LAN-client-example.conf" "$INSTALL_PATH/minetest.ENLIVEN.LAN-client-example.conf"
-            moveIfExistsOrDeleteIfOnDest "$VERSIONED_MT_PATH/minetest.ENLIVEN.server-example.conf" "$INSTALL_PATH/minetest.ENLIVEN.server-example.conf"
-            moveIfExists "$VERSIONED_MT_PATH/minetest.conf" "$INSTALL_PATH/minetest.conf"
-            moveIfExists "$VERSIONED_MT_PATH/arrowkeys.txt" "$INSTALL_PATH/arrowkeys.txt"
-            moveIfExists "$VERSIONED_MT_PATH/.saved_passwords" "$INSTALL_PATH/.saved_passwords"
-            if [ -d "$INSTALL_PATH/games/ENLIVEN" ]; then
-                if [ -d "$INSTALL_PATH/games/Bucket_Game" ]; then
-                    echo "* upgrading $INSTALL_PATH/games/ENLIVEN components using $INSTALL_PATH/games/Bucket_Game..."
-                    upgradeAndMerge "mods" "$INSTALL_PATH/games/Bucket_Game" "$INSTALL_PATH/games/ENLIVEN" "inplace"
-                else
-                    echo "* WARNING: Upgrading ENLIVEN is not possible since $INSTALL_PATH/games/Bucket_Game is not present."
-                fi
-            fi
+            upgradeAndMerge "clientmods" "$install_dest" "$VERSIONED_MT_PATH"
+            moveIfExistsOrDeleteIfOnDest "$VERSIONED_MT_PATH/minetest.ENLIVEN.client-example.conf" "$install_dest/minetest.ENLIVEN.client-example.conf"
+            moveIfExistsOrDeleteIfOnDest "$VERSIONED_MT_PATH/minetest.ENLIVEN.LAN-client-example.conf" "$install_dest/minetest.ENLIVEN.LAN-client-example.conf"
+            moveIfExistsOrDeleteIfOnDest "$VERSIONED_MT_PATH/minetest.ENLIVEN.server-example.conf" "$install_dest/minetest.ENLIVEN.server-example.conf"
+            moveIfExists "$VERSIONED_MT_PATH/minetest.conf" "$install_dest/minetest.conf"
+            moveIfExists "$VERSIONED_MT_PATH/arrowkeys.txt" "$install_dest/arrowkeys.txt"
+            moveIfExists "$VERSIONED_MT_PATH/.saved_passwords" "$install_dest/.saved_passwords"
             OLD_BIN_PATH="$VERSIONED_MT_PATH/bin"
-            NEW_BIN_PATH="$NEW_VERSION_PATH/bin"
+            NEW_BIN_PATH="$install_dest/bin"
             # See <https://unix.stackexchange.com/questions/87456/shell-script-to-check-for-the-presence-of-one-or-more-files-with-a-specific-exte>
             if ls ${OLD_BIN_PATH}/*.png &>/dev/null
             then
+                echo "  * moving png screenshots..."
                 mv ${OLD_BIN_PATH}/*.png ${NEW_BIN_PATH}/
+            else
+                echo "  * You have no png files in ${OLD_BIN_PATH}."
             fi
             if ls ${OLD_BIN_PATH}/*.jpg &>/dev/null
             then
+                echo "  * moving jpg screenshots..."
                 mv ${OLD_BIN_PATH}/*.jpg ${NEW_BIN_PATH}/
+            else
+                echo "  * You have no jpg files in ${OLD_BIN_PATH}."
             fi
             deleteIfExists "$VERSIONED_MT_PATH/builtin"
+            rmdir --ignore-fail-on-non-empty "$VERSIONED_MT_PATH/cache"
             deleteIfExists "$VERSIONED_MT_PATH/doc"
             deleteIfExists "$VERSIONED_MT_PATH/fonts"
             deleteIfExists "$VERSIONED_MT_PATH/locale"
             deleteIfExists "$VERSIONED_MT_PATH/misc"
             deleteIfExists "$VERSIONED_MT_PATH/po"
+            deleteIfExists "$VERSIONED_MT_PATH/solib"
             deleteIfExists "$VERSIONED_MT_PATH/sounds"
             deleteIfExists "$VERSIONED_MT_PATH/util"
+            deleteIfExists "$VERSIONED_MT_PATH/LICENSE.txt"
+            deleteIfExists "$VERSIONED_MT_PATH/release.txt"
+            deleteIfExists "$VERSIONED_MT_PATH/readme.txt"
+            rmdir --ignore-fail-on-non-empty "$VERSIONED_MT_PATH/bin"
+            rmdir --ignore-fail-on-non-empty "$VERSIONED_MT_PATH"
         else
-            mv "$NEW_VERSION_PATH" "$INSTALL_PATH"
+            mv "$NEW_VERSION_PATH" "$install_dest"
+        fi
+
+        if [ "@$ENABLE_RELINK" = "@true" ]; then
+            if [ ! -d "$dest_programs/minetest" ]; then
+                echo "* removing old symlink $virtual_dest..."
+                rm "$virtual_dest" || customExit "Removing the old symlink failed: rm \"$virtual_dest\"."
+                echo "* creating new symlink to $install_dest directory as $virtual_dest..."
+                ln -s "$install_dest" "$virtual_dest"
+            fi
+        fi
+
+        if [ ! -f "$this_dst_flag_path" ]; then
+            customExit "ERROR: not complete--couldn't install binary as '$this_dst_flag_path'"
         fi
-        # curl https://downloads.minetest.org/release.txt -o "$INSTALL_PATH/release.txt"
+        # curl https://downloads.minetest.org/release.txt -o "$install_dest/release.txt"
     else
         customExit "There is no minetest directory $NEW_VERSION_PATH."
     fi
+    if [ "@$new_release_version" != "@new" ]; then
+        echo "Release $new_release_version" > "$install_dest/release.txt"
+        echo "  * wrote \"`cat $install_dest/release.txt`\" to \"$install_dest/release.txt\"."
+    fi
+}
+
+install_git_mod_here(){
+    git_url="$1"
+    mod_name="$2"
+    if [ -z "$git_url" ]; then
+        customExit "install_git_mod_here requires a URL."
+    fi
+    if [ -z "$mod_name" ]; then
+        customExit "install_git_mod_here requires a mod name as the second parameter."
+    fi
+    if [ ! -d "$mod_name" ]; then
+        git clone "$git_url" "$mod_name"
+    else
+        cd "$mod_name" || customExit "(install_git_mod_here) 'cd \"$mod_name\"' failed in '`pwd`'"
+        echo "* updating '`pwd`' from git..."
+        git pull || echo "WARNING: (install_git_mod_here) 'git pull' failed in '`pwd`'"
+        cd .. || customExit "(install_git_mod_here) 'cd ..' failed in '`pwd`'"
+    fi
 }
 
 show_os_release(){
@@ -366,3 +523,362 @@ show_os_release(){
         #fi
     fi
 }
+
+addEnlivenMinetestPatches(){
+    # REPO_PATH is determined above.
+    if [ ! -z "$1" ]; then
+        install_dest="$1"
+    fi
+    if [ -z "$REPO_PATH" ]; then
+        customExit "[$addEnlivenMinetestPatches] The REPO_PATH is not set."
+    fi
+    if [ ! -d "$REPO_PATH" ]; then
+        customExit "[$addEnlivenMinetestPatches] The REPO_PATH does not exist: \"$REPO_PATH\""
+    fi
+    if [ -z "$PATCHES_PATH" ]; then
+        PATCHES_PATH="$REPO_PATH/patches"
+    fi
+    if [ ! -d "$PATCHES_PATH" ]; then
+        customExit "The PATCHES_PATH does not exist: \"$PATCHES_PATH\""
+    fi
+    if [ ! -d "$install_dest" ]; then
+        customExit "The install_dest does not exist: \"$install_dest\""
+    fi
+    src_menu="$PATCHES_PATH/subgame/menu"
+    dst_menu="$install_dest/games/ENLIVEN/menu"
+    echo "updating '$dst_menu' from '$src_menu/'..."
+    if [ -f "`command -v rsync`" ]; then
+        rsync -rt "$src_menu/" "$dst_menu"
+    else
+        echo "* WARNING: rsync is missing, so patching ENLIVEN/menu from \"$src_menu\" is being skipped."
+        cp -f "$src_menu/header.png" "$dst_menu/"
+        cp -f "$src_menu/menu.png" "$dst_menu/"
+    fi
+    echo "name = ENLIVEN" > "$install_dest/games/ENLIVEN/game.conf"
+    src_game="$PATCHES_PATH/Bucket_Game-patched"
+    dst_game="$install_dest/games/ENLIVEN"
+    echo "updating '$dst_game' from '$src_game/'..."
+    if [ -f "`command -v rsync`" ]; then
+        rsync -rt "$src_game/" "$dst_game"
+    else
+        echo "* WARNING: rsync is missing, so patching ENLIVEN from \"$src_game\" is being skipped."
+    fi
+    if [ -d "$dst_game/mods/coderfood/food_basic/etc" ]; then
+        rm -Rf "$dst_game/mods/coderfood/food_basic/etc"
+    fi
+
+    minetest_conf_dest="$install_dest/minetest.conf"
+    game_minetest_conf_dest="$install_dest/games/ENLIVEN/minetest.conf"
+
+    # Bucket_Game doesn't come with a minetest.conf, only minetest.conf.example* files
+    # if [ ! -f "$install_dest/minetest.Bucket_Game-example.conf" ]; then
+    #     cp -f "$$minetest_conf_dest" "$install_dest/minetest.Bucket_Game-example.conf"
+    # fi
+
+    client_example_dest="$install_dest/minetest.ENLIVEN.client-example.conf"
+
+    echo "Installing minetest.ENLIVEN.*-example.conf files..."
+    cp -f "$PATCHES_PATH/subgame/minetest.LAN-client-example.conf" "$install_dest/minetest.ENLIVEN.LAN-client-example.conf" || customExit "Cannot copy minetest.ENLIVEN.LAN-client-example.conf"
+    cp -f "$PATCHES_PATH/subgame/minetest.server-example.conf"     "$install_dest/minetest.ENLIVEN.server-example.conf" || customExit "Cannot copy minetest.ENLIVEN.server-example.conf"
+    cp -f "$PATCHES_PATH/subgame/minetest.client-example.conf"     "$install_dest/minetest.ENLIVEN.client-example.conf" || customExit "Cannot copy minetest.ENLIVEN.client-example.conf"
+
+    echo "Writing '$game_minetest_conf_dest'..."
+    cp -f "$PATCHES_PATH/subgame/minetest.conf" "$game_minetest_conf_dest"
+
+    # client conf writing only ever happens once, unless you manually delete $minetest_conf_dest:
+    if [ ! -f "$minetest_conf_dest" ]; then
+        # if [ -f "$minetest_conf_dest" ]; then
+            # echo "Backing up minetest.conf..."
+            # if [ ! -f "$minetest_conf_dest.1st" ]; then
+                # cp -f "$minetest_conf_dest" "$minetest_conf_dest.1st"
+            # else
+                # cp -f "$minetest_conf_dest" "$minetest_conf_dest.bak"
+            # fi
+        # fi
+        echo "Writing minetest.conf (client region)..."
+        cp -f "$PATCHES_PATH/subgame/minetest.client-example.conf" "$minetest_conf_dest"  || customExit "Cannot copy minetest.client-example.conf to $minetest_conf_dest"
+        echo "Appending example settings (server region) to '$minetest_conf_dest'..."
+        cat "$PATCHES_PATH/subgame/minetest.server-example.conf" >> "$minetest_conf_dest" || customExit "Cannot append minetest.server-example.conf"
+    else
+        echo "$minetest_conf_dest exists (remove it if you want the installer to write an example version)"
+    fi
+
+
+    if [ -f "$minetest_conf_dest" ]; then
+        cat << END
+NOTE: minetest.org releases allow you to put a world.conf file in your
+  world, so that is the file you should edit manually in your world
+  --this installer overwrites $minetest_conf_dest and
+  worlds/CenterOfTheSun settings (the author Poikilos' world).
+  Continue to place server settings such as announce in
+  $minetest_conf_dest.
+  Leave $game_minetest_conf_dest intact, as it defines the game.
+  If you have suggestions for changes or configurability, please use the
+  issue tracker at <https://github.com/poikilos/EnlivenMinetest>.
+
+END
+    fi
+
+
+    world_override_src="$REPO_PATH/overrides/CenterOfTheSun/minetest/worlds/CenterOfTheSun"
+    world_override_dst="$HOME/.minetest/worlds/CenterOfTheSun"
+    world_override_dst="$HOME/.minetest/worlds/CenterOfTheSun"
+    try_world_override_dst="$HOME/minetest/worlds/CenterOfTheSun"
+    if [ -d "$try_world_override_dst" ]; then
+        world_override_dst="$try_world_override_dst"
+    fi
+    world_conf_src="$world_override_src/world.conf"
+    world_conf_dst="$world_override_dst/world.conf"
+    world_mt_src="$world_override_src/world.mt"
+    world_mt_dst="$world_override_dst/world.mt"
+    override_more="$REPO_PATH/overrides/CenterOfTheSun/games/ENLIVEN"
+    appends="$REPO_PATH/overrides/CenterOfTheSun/append"
+    minetest_conf_append="$appends/minetest.conf"
+    if [ -d "$world_override_dst" ]; then
+        echo "You have the CenterOfTheSun world. Listing any changes..."
+        if [ -f "$world_conf_src" ]; then
+            if [ -f "$world_conf_dst" ]; then
+                echo " * overwrite $world_conf_dst with $world_conf_src"
+            else
+                echo " * add the world.conf from $world_conf_src"
+            fi
+            cp -f "$world_conf_src" "$world_conf_dst"
+        fi
+        if [ -z "`grep 'region overrides/CenterOfTheSun/append' $minetest_conf_dest`" ]; then
+            if [ -f "$minetest_conf_append" ]; then
+                cat "$minetest_conf_append" >> "$minetest_conf_dest"
+            fi
+        fi
+    fi
+
+    if [ "@$ENABLE_CLIENT" = "@true" ]; then
+        #params: _SRC_SHORTCUT_PATH, _DST_SHORTCUT_NAME, _EXEC, _WORKING_DIR, _ICON, _CAPTION:
+        SHORTCUT_PATH="$PATCHES_PATH/deploy-patched/misc/org.minetest.minetest.desktop"
+        EXEC_PATH="$install_dest/bin/minetest"
+        WORKING_DIR_PATH="$install_dest/bin"
+        MT_ICON="$install_dest/misc/minetest-xorg-icon-128.png"
+        install_shortcut "$SHORTCUT_PATH" "org.minetest.minetest.desktop" "$EXEC_PATH" "$WORKING_DIR_PATH" "$MT_ICON" "Final Minetest"
+    fi
+
+    if [ -f "`command -v rsync`" ]; then
+        if [ -f $install_dest/games/ENLIVEN/mods/codermobs/codermobs/animal_materials.lua ]; then
+            if [ -d $PATCHES_PATH/mods-stopgap/animal_materials_legacy ]; then
+                echo "* installing animal_materials_legacy (only needed for worlds created with old versions of Bucket_Game)"
+                rsync -rt $PATCHES_PATH/mods-stopgap/animal_materials_legacy $install_dest/games/ENLIVEN/mods/
+            else
+                echo "* MISSING $PATCHES_PATH/mods-stopgap/animal_materials"
+            fi
+        else
+            echo "* SKIPPING a stopgap mod since no animal_materials"
+        fi
+
+        if [ -f $install_dest/games/ENLIVEN/mods/codermobs/codermobs/elk.lua ]; then
+            if [ -d $PATCHES_PATH/mods-stopgap/elk_legacy ]; then
+                echo "* installing elk_legacy (only needed for worlds created with old versions of Bucket_Game)"
+                rsync -rt $PATCHES_PATH/mods-stopgap/elk_legacy $install_dest/games/ENLIVEN/mods/
+            else
+                echo "* MISSING $PATCHES_PATH/mods-stopgap/elk_legacy"
+            fi
+        else
+            echo "* SKIPPING a stopgap mod since no elk.lua"
+        fi
+
+        if [ -d "$install_dest/games/ENLIVEN/mods/coderbuild/nftools" ]; then
+            if [ -d $PATCHES_PATH/mods-stopgap/nftools_legacy ]; then
+                echo "* installing nftools_legacy (only needed for worlds created with old versions of Bucket_Game)"
+                rsync -rt $PATCHES_PATH/mods-stopgap/nftools_legacy $install_dest/games/ENLIVEN/mods/
+            else
+                echo "* MISSING $PATCHES_PATH/mods-stopgap/nftools_legacy"
+            fi
+        else
+            echo "* SKIPPING a stopgap mod since no nftools"
+        fi
+    else
+        echo "* WARNING: rsync is missing, so adding mods from \"$PATCHES_PATH/mods-stopgap\" to ENLIVEN/mods is being skipped."
+    fi
+}
+
+analyzeGameSettings() {
+    if [ ! -z "$1" ]; then
+        THIS_GAME_PATH=$1
+    fi
+    if [ ! -d "$THIS_GAME_PATH" ]; then
+        customExit "  [$MT_ENV_RUP_NAME: analyzeGameSettings] THIS_GAME_PATH \"$THIS_GAME_PATH\" is not present."
+    fi
+    this_dumps_name="`basename $THIS_GAME_PATH`"
+    this_dumps_path="$EM_CACHE_PATH/$this_dumps_name"
+    if [ ! -d "$this_dumps_path" ]; then
+        mkdir -p "$this_dumps_path"
+    fi
+    settings_dump="$this_dumps_path/settings-dump.txt"
+    settings_types_list="$this_dumps_path/settingtypes-list.txt"
+    if [ ! -f "$settings_dump" ]; then
+        echo "  - Creating $settings_dump..."
+        grep -r "$THIS_GAME_PATH" -e "setting_get" > $settings_dump
+        grep -r "$THIS_GAME_PATH" -e "minetest.settings:get" >> $settings_dump
+    else
+        echo "  - $settings_dump was already created"
+    fi
+    if [ ! -f "$settings_types_list" ]; then
+        echo "  - creating $settings_types_list..."
+        find "$THIS_GAME_PATH" -name "settingtypes.txt" > $settings_types_list
+    else
+        echo "  - $settings_types_list was already created"
+    fi
+}
+
+installOrUpgradeENLIVEN() {
+    PREV_DIR="`pwd`"
+    # REPO_PATH is detected above.
+    if [ -z "$REPO_PATH" ]; then
+        customExit "[installOrUpgradeENLIVEN] The REPO_PATH is not set."
+    fi
+    if [ ! -d "$REPO_PATH" ]; then
+        customExit "[installOrUpgradeENLIVEN] The REPO_PATH does not exist: \"$REPO_PATH\""
+    fi
+    if [ ! -z "$1" ]; then
+        install_dest="$1"
+    fi
+    if [ ! -d "$install_dest" ]; then
+        customExit "[installOrUpgradeENLIVEN] The install_dest is missing: \"$install_dest\""
+    fi
+    dest_official_game="$install_dest/games/Bucket_Game"
+    dest_enliven="$install_dest/games/ENLIVEN"
+    if [ ! -d "$dest_official_game" ]; then
+        customExit "[installOrUpgradeENLIVEN] \"$dest_official_game\" is missing."
+    fi
+    if [ ! -d "$dest_enliven" ]; then
+        echo "Copying $dest_official_game to $dest_enliven..."
+        cp -R "$dest_official_game" "$dest_enliven"
+    else
+        if [ -d "$dest_enliven" ]; then
+            if [ -d "$dest_official_game" ]; then
+                echo "* upgrading $dest_enliven components using $dest_official_game..."
+                upgradeAndMerge "mods" "$dest_official_game" "$dest_enliven" "inplace"
+            else
+                echo "* WARNING: Upgrading ENLIVEN is not possible since $dest_official_game is not present."
+            fi
+        fi
+    fi
+    dest_enliven_mods="$dest_enliven/mods"
+    enliven_warning=""
+    if [ -d "$dest_enliven_mods" ]; then
+        cd "$dest_enliven_mods" || customExit "[installOrUpgradeENLIVEN] 'cd \"$dest_enliven_mods\"' failed."
+        # install_git_mod_here https://github.com/BenjieFiftysix/sponge.git sponge
+        install_git_mod_here https://github.com/poikilos/metatools.git metatools
+        install_git_mod_here https://github.com/MinetestForFun/fishing.git fishing
+        install_git_mod_here https://github.com/minetest-mods/throwing.git throwing
+        install_git_mod_here https://github.com/minetest-mods/ccompass.git ccompass
+        install_git_mod_here https://github.com/minetest-mods/throwing_arrows.git throwing_arrows
+    else
+        enliven_warning="$enliven_warning* WARNING: Installing ENLIVEN mods was skipped since '$dest_enliven_mods' does not exist."
+    fi
+    cd "$PREV_DIR"
+    # PATCHES_DIR_NAME="patches"
+    PATCHES_PATH="$REPO_PATH/patches"
+    if [ -d "$PATCHES_PATH" ]; then
+        #pushd "$REPO_PATH"
+        addEnlivenMinetestPatches "$install_dest"
+        #popd
+    else
+        cat <<END
+    $PATCHES_PATH is missing. To fix this, set:
+
+        REPO_PATH=$HOME/git/EnlivenMinetest
+        # in \"$scripting_rc_path\" or the environment.
+END
+    fi
+}
+
+detect_installed_mt_version(){
+    if [ ! -z "$1" ]; then
+        BACKUP_NAME_1="$1"
+    fi
+    if [ ! -z "$2" ]; then
+        BACKUP_NAME_2="$2"
+    fi
+    if [ -z "$INSTALL_PATH" ]; then
+        customExit "[detect_installed_mt_version] INSTALL_PATH is missing"
+    fi
+    old_release_line=
+    old_release_version=
+    if [ -f "$INSTALL_PATH/release.txt" ]; then
+        old_release_line="`cat $INSTALL_PATH/release.txt | grep Release`"
+    fi
+    backup_msg=
+    if [ ! -z "$old_release_line" ]; then
+        old_release_version="${old_release_line##* }"  # get second word
+        backup_msg="  - using \"$INSTALL_PATH.$old_release_version\" for storing remnants."
+    else
+        if [ ! -z "$BACKUP_NAME_1" ]; then
+            old_release_version="$BACKUP_NAME_1"
+            if [ -d "$INSTALL_PATH.$old_release_version" ]; then
+                if [ ! -z "$BACKUP_NAME_2" ]; then
+                    old_release_version="$BACKUP_NAME_2"
+                #    echo "    - old_release_version:'$old_release_version'"
+                #else
+                #    echo "    - there is no second choice for the version."
+                fi
+            fi
+            backup_msg="    * using \"$INSTALL_PATH.$old_release_version\" instead of version for storing remnants since $INSTALL_PATH does not contain release.txt."
+        fi
+    fi
+    if [ ! -z "$backup_msg" ]; then
+        if [ -d "$INSTALL_PATH" ]; then
+            echo "$backup_msg"
+        fi
+    fi
+}
+
+detect_mt_version_at(){
+    # Sequential params:
+    # 1. (required) path to a minetest directory (the new one!)
+    # 2. (optional) a url to a release.txt file to use if the version
+    #    is not detected by other means.
+    # 3. (optional) the default version to set if no version is detected
+    #    (if blank, exit script on failure)
+    this_err=""
+    new_release_line=
+    new_release_version=
+    if [ -z "$1" ]; then
+        echo "You must set param 1 which is the new minetest directory"
+    fi
+    VERSION_ORIGIN="$1/release.txt"
+    if [ ! -f "$1/release.txt" ]; then
+        if [ ! -z "$2" ]; then
+            curl $RELEASE_TXT_URL -o "$1/release.txt" || this_err="curl $RELEASE_TXT_URL failed."
+            VERSION_ORIGIN="$RELEASE_TXT_URL"
+        fi
+    fi
+    if [ -f "$1/release.txt" ]; then
+        new_release_line="`cat $1/release.txt | grep Release`"
+        if [ ! -z "$new_release_line" ]; then
+            new_release_version="${new_release_line##* }"  # get second word
+        else
+            if [ -f "$1/release.txt" ]; then
+                cat "$1/release.txt"
+                this_err="Obtaining a Release line from $VERSION_ORIGIN failed (got '$new_release_line')."
+            fi
+        fi
+    else
+        if [ -z "$this_err" ]; then
+            this_err="\"$1/release.txt\" does not exist"
+        fi
+    fi
+    version_len=${#new_release_version}
+    if [ "$version_len" -ne "6" ]; then
+        if [ -z "$this_err" ]; then
+            this_err="Unexpected version scheme (not 6 characters): '$new_release_version' near '$new_release_line' in file $release_txt_path"
+        fi
+        if [ -z "$3" ]; then
+            customExit "$this_err"
+        else
+            new_release_version="$3"
+            customWarn "$this_err (Therefore, the new_release_version will be: \"$new_release_version\")"
+        fi
+    fi
+
+}
+INSTALL_PATH="$HOME/minetest"
+detect_installed_mt_version
+# ^ you must run it again with params such as "1st" "bak" to force install without knowing the old version.
diff --git a/update-minetest-linux64.sh b/update-minetest-linux64.sh
index 4a3c5b9..678a2c2 100755
--- a/update-minetest-linux64.sh
+++ b/update-minetest-linux64.sh
@@ -4,161 +4,58 @@ me=`basename "$0"`
 echo
 echo
 echo
-echo "Starting install..."
-MY_NAME="install-mts.sh"
-EM_CONFIG_PATH="$HOME/.config/EnlivenMinetest"
-date
-
-customExit() {
-    errorCode=1
-    if [ ! -z "$2" ]; then
-        errorCode="$2"
-    fi
-    cat <<END
-
-ERROR:
-$1
-
-
-END
-    exit $errorCode
-}
-
-customWarn() {
-    cat <<END
-
-WARNING:
-$1
-
-
-END
-    echo -en "\a" > /dev/tty0  # beep (You must specify a tty path if not in console mode)
-    echo "Press Ctrl+C to cancel..."
-    sleep 1
-    echo -en "\a" > /dev/tty0
-    echo "3..."
-    sleep 1
-    echo -en "\a" > /dev/tty0
-    echo "2..."
-    sleep 1
-    echo -en "\a" > /dev/tty0
-    echo "1..."
-    sleep 1
-}
-
-
-install_shortcut(){
-    enable_clear_icon_cache=false
-
-    _SRC_SHORTCUT_PATH=$1
-    if [ ! -f "$_SRC_SHORTCUT_PATH" ]; then
-        customExit "\"$_SRC_SHORTCUT_PATH\" is missing."
-    fi
-    _DST_SHORTCUT_NAME=$2
-    # _CAPTION is optional (original "Name" is kept if not specified)
-    _EXEC=$3
-    _WORKING_DIR=$4
-    _ICON=$5
-    _CAPTION=$6
-    dest_icons=$HOME/.local/share/applications
-    dest_icon=$dest_icons/$_DST_SHORTCUT_NAME
-    if [ ! -d "$dest_icons" ]; then
-        mdkir -p "$dest_icons" || customExit "mkdir -p \"$dest_icons\" failed."
-    fi
-    # if [ -f "$dest_icon" ]; then
-        # comment since never fixes broken icon anyway
-        # TODO: fixed bad cache even if icon was rewritten properly after written improperly
-        # * not tried yet:
-        #   * rm $HOME/.kde/share/config/kdeglobals
-        # enable_clear_icon_cache=true
-    # fi
-    echo "* writing icon '$dest_icon'..."
-    if [ ! -z "$_ICON" ]; then
-        if [ ! -z "$_CAPTION" ]; then
-            cat "$_SRC_SHORTCUT_PATH" | grep -v "^Icon=" | grep -v "^Path=" | grep -v "^Exec=" | grep -v "^Name=" > "$dest_icon"
-        else
-            cat "$_SRC_SHORTCUT_PATH" | grep -v "^Icon=" | grep -v "^Path=" | grep -v "^Exec=" > "$dest_icon"
-        fi
-    else
-        if [ ! -z "$_CAPTION" ]; then
-            cat "$_SRC_SHORTCUT_PATH" | grep -v "^Path=" | grep -v "^Exec=" | grep -v "^Name=" > "$dest_icon"
-        else
-            cat "$_SRC_SHORTCUT_PATH" | grep -v "^Path=" | grep -v "^Exec=" > "$dest_icon"
-        fi
-    fi
-    # Icon must be an absolute path (other variables use $HOME in
-    # desktop file above), so exclude it above and rewrite it below:
-    echo "Path=$dest_programs/minetest/bin" >> "$dest_icon"
-    if [ ! -z "$_CAPTION" ]; then
-        echo "Name=$_CAPTION" >> "$dest_icon"
-    fi
-    if [ ! -z "$_ICON" ]; then
-        echo "Icon=$_ICON" >> "$dest_icon"
-    fi
-    echo "Exec=$_EXEC" >> "$dest_icon"
-    if [ -d "$HOME/Desktop" ]; then
-        cp -f "$dest_icon" "$HOME/Desktop/$_DST_SHORTCUT_NAME"
-    fi
-    if [ "@$enable_clear_icon_cache" = "@true" ]; then
-        if [ -f "`command -v gnome-shell`" ]; then
-            echo "Refreshing Gnome icons..."
-            gnome-shell --replace & disown
-            sleep 10
-        fi
-        if [ -f "$HOME/.cache/icon-cache.kcache" ]; then
-            echo "clearing $HOME/.cache/icon-cache.kcache..."
-            rm $HOME/.cache/icon-cache.kcache
-        fi
-        if [ -f "`command -v kquitapp5`" ]; then
-            echo "Refreshing KDE icons..."
-            if [ "`command -v kstart5`" ]; then
-                kquitapp5 plasmashell && kstart5 plasmashell
-            else
-                kquitapp5 plasmashell && kstart plasmashell
-            fi
-            sleep 15
-        fi
-        if [ -f "`command -v xfce4-panel`" ]; then
-            echo "Refreshing Xfce icons..."
-            xfce4-panel -r && xfwm4 --replace
-            sleep 5
-        fi
-        if [ -f "`command -v lxpanelctl`" ]; then
-            echo "Refreshing LXDE icons..."
-            lxpanelctl restart && openbox --restart
-            sleep 5
-        fi
+scripting_rc_path=~/.config/EnlivenMinetest/scripting.rc
+if [ -f "$EM_CONFIG_PATH/scripting.rc" ]; then
+    echo "* [$MT_ENV_RUP_NAME] using $scripting_rc_path..."
+    source $scripting_rc_path
+fi
+if [ -z "$REPO_PATH" ]; then
+    REPO_PATH="$HOME/git/EnlivenMinetest"
+fi
+MT_BASH_RC_NAME="minetestenv-in-place.rc"
+CURRENT_MT_SCRIPTS_DIR="$HOME/.local/bin"
+MT_BASH_RC_PATH="$CURRENT_MT_SCRIPTS_DIR/$MT_BASH_RC_NAME"
+TRY_CURRENT_MT_SCRIPTS_DIR="$REPO_PATH"
+TRY_MT_BASH_RC_PATH="$TRY_CURRENT_MT_SCRIPTS_DIR/$MT_BASH_RC_NAME"
+if [ -f "$TRY_MT_BASH_RC_PATH" ]; then
+    CURRENT_MT_SCRIPTS_DIR="$TRY_CURRENT_MT_SCRIPTS_DIR"
+    MT_BASH_RC_PATH="$TRY_MT_BASH_RC_PATH"
+#fi
+#if [ ! -f "$MT_BASH_RC_PATH" ]; then
+else
+    if [ ! -d "$CURRENT_MT_SCRIPTS_DIR" ]; then
+        mkdir -p "$CURRENT_MT_SCRIPTS_DIR"
     fi
-}
-# ^ same as install-minetest-linux64.sh
-get_os_release(){
-    if [ -f "/etc/os-release" ]; then
-        #if [ -z "$NAME" ]; then
-        source /etc/os-release
+    MT_BASH_RC_URL=https://raw.githubusercontent.com/poikilos/EnlivenMinetest/master/$MT_BASH_RC_NAME
+    curl $MT_BASH_RC_URL -o "$MT_BASH_RC_PATH"
+    if [ $? -ne 0 ]; then
         echo
-        echo "Your operating system is $NAME $VERSION"
-        #fi
-    fi
-}
-install_my_shortcut(){
-    #requires SHORTCUT_PATH to already be set to a valid Minetest ".desktop" file.
-    EXEC_PATH="$INSTALL_PATH/bin/minetest"
-    if [ ! -f "$EXEC_PATH" ]; then
-        echo "* WARNING: The Minetest executable is not present: \"$EXEC_PATH\""
-    fi
-    WORKING_DIR_PATH="$INSTALL_PATH/bin"
-    if [ ! -d "$WORKING_DIR_PATH" ]; then
-        echo "* WARNING: The Minetest working directory is not present: \"$WORKING_DIR_PATH\""
-    fi
-    MT_ICON="$INSTALL_PATH/misc/minetest-xorg-icon-128.png"
-    if [ ! -f "$MT_ICON" ]; then
-        echo "* WARNING: The Minetest icon is not present: \"$MT_ICON\""
+        echo "ERROR: Downloading $MT_BASH_RC_URL to $MT_BASH_RC_PATH failed."
+        echo
+        sleep 10
+        exit 1
     fi
-    install_shortcut "$SHORTCUT_PATH" "org.minetest.minetest.desktop" "$EXEC_PATH" "$WORKING_DIR_PATH" "$MT_ICON" "Final Minetest"
-    get_os_release
-}
+fi
+if [ ! -f "$MT_BASH_RC_PATH" ]; then
+    echo
+    echo "$MT_BASH_RC_PATH is not present."
+    echo
+    sleep 10
+    exit 1
+fi
+source $MT_BASH_RC_PATH
+# ^ same as install-mts.sh
 
+#INSTALL_SCRIPT_NAME="update-minetest-linux64.sh"
+
+echo "* starting download..."
+date
+
+if [ -z "$INSTALL_MODE" ]; then
+    INSTALL_MODE="move"
+fi
 DL_NAME=minetest-linux64.zip
+RELEASE_ARC_URL="https://downloads.minetest.org/$DL_NAME"
 DL_PATH=$HOME/Downloads/$DL_NAME
 EXTRACTED_NAME=minetest-linux64
 if [ -z "$INSTALL_PATH" ]; then
@@ -170,11 +67,8 @@ if [ -f "$TRY_ORG_PATH" ]; then
     SHORTCUT_PATH="$TRY_ORG_PATH"
 fi
 
-if [ -z "$MY_TMP" ]; then
-    MY_TMP=/tmp/minetest-webinstall
-fi
-mkdir -p "$MY_TMP"
-EXTRACTED_PATH="$MY_TMP/$EXTRACTED_NAME"
+mkdir -p "$EM_TMP"
+EXTRACTED_PATH="$EM_TMP/$EXTRACTED_NAME"
 if [ -d "$EXTRACTED_PATH" ]; then
     rm -Rf "$EXTRACTED_PATH" || customExit "Deleting the old $EXTRACTED_PATH failed."
 fi
@@ -210,54 +104,50 @@ do
     fi
 done
 
+if [ ! -f "`command -v unzip`" ]; then
+    cat <<END
+You are missing the unzip command.
+END
+    if [ -f "`command -v apt-get`" ]; then
+        cat<<END
+Try:
+sudo apt-get update -y
+sudo apt-get install -y unzip
+END
+    elif [ -f "`command -v dnf`" ]; then
+        cat<<END
+Try:
+sudo dnf install -y unzip
+END
+    fi
+    exit 1
+fi
+
 if [ ! -f "$DL_PATH" ]; then
     ENABLE_DL=true
 fi
 
+
+
 old_release_line=
-if [ -f "$INSTALL_PATH/release.txt" ]; then
-    old_release_line="`cat $INSTALL_PATH/release.txt | grep Release`"
-fi
-old_version=
-if [ ! -z "$old_release_line" ]; then
-    old_version="${old_release_line##* }"  # get second word
-else
-    old_version="1st"
-    if [ -d "$INSTALL_PATH.1st" ]; then
-        old_version="bak"
-    fi
-fi
+old_release_version=
+detect_installed_mt_version "1st" "bak"
 
-release_line=
-RELEASE_TXT_URL="https://downloads.minetest.org/release.txt"
-if [ ! -f "$MY_TMP/release.txt" ]; then
-    curl $RELEASE_TXT_URL -o "$MY_TMP/release.txt" || customExit "curl $RELEASE_TXT_URL failed."
-fi
-release_line="`cat $MY_TMP/release.txt | grep Release`"
-if [ -z "$release_line" ]; then
-    cat "$MY_TMP/release.txt"
-    customExit "Obtaining a Release line from $RELEASE_TXT_URL failed (got '$release_line')."
-fi
-version=
-if [ ! -z "$release_line" ]; then
-    version="${release_line##* }"  # get second word
-else
-    version="new"
+if [ -z "$old_release_version" ]; then
+    customExit "Detecting old_release_version failed."
 fi
 
-#version_len=${#version}
-#if [ "$version_len" -ne "6" ]; then
-#    customExit "Unexpected version scheme (not 6 characters): '$version' near '$release_line' in file $release_txt_path"
-#fi
+RELEASE_TXT_URL="https://downloads.minetest.org/release.txt"
+detect_mt_version_at "$EM_TMP" "https://downloads.minetest.org/release.txt" "new"
 
-if [ "@$old_version" = "@$version" ]; then
+if [ "@$old_release_version" = "@$new_release_version" ]; then
+    install_mt_in_place_shortcut "$SHORTCUT_PATH" "$INSTALL_PATH"
     #if [ ! -f "$SHORTCUT_PATH" ]; then
-    install_my_shortcut
     #fi
-    #get_os_release
+    #show_os_release
     echo
     echo
-    echo "Version $version is already installed at $INSTALL_PATH. There is nothing to do."
+    echo "Version $new_release_version is already installed at $INSTALL_PATH. There is nothing to do."
     echo
     exit 0
 fi
@@ -266,89 +156,24 @@ if [ "@$ENABLE_DL" = "@true" ]; then
     if [ ! -d "$HOME/Downloads" ]; then
         mkdir -p "$HOME/Downloads"
     fi
-    curl https://downloads.minetest.org/$DL_NAME -o "$DL_PATH" || exitAndDeleteDownload "The download failed."
+    curl "$RELEASE_ARC_URL" -o "$DL_PATH" || exitAndDeleteDownload "The download failed."
 else
     echo "* using existing $DL_PATH..."
 fi
-cd "$MY_TMP" || customExit "cd \"$MY_TMP\" failed."
-if [ ! -f "`command -v unzip`" ]; then
-    cat <<END
-You are missing the unzip command.
-END
-    if [ -f "`command -v apt-get`" ]; then
-        cat<<END
-Try:
-sudo apt-get update -y
-sudo apt-get install -y unzip
-END
-    elif [ -f "`command -v dnf`" ]; then
-        cat<<END
-Try:
-sudo dnf install -y unzip
-END
-    fi
-    exit 1
-fi
-killall minetest 2>/dev/null 1>&2
+cd "$EM_TMP" || customExit "cd \"$EM_TMP\" failed."
 
-upgradeAndMerge(){
-    UPGRADE_TYPE="$1"
-    if [ ! -d "$INSTALL_PATH/$UPGRADE_TYPE" ]; then
-        customExit "* WARNING: $UPGRADE_TYPE upgrade is skipped since $INSTALL_PATH/$UPGRADE_TYPE is not present."
-    else
-        echo "* upgrading $UPGRADE_TYPE"
-        for UPGRADE_PATH in `find $INSTALL_PATH/$UPGRADE_TYPE -maxdepth 1`
-        do
-            UPGRADE_NAME="`basename $UPGRADE_PATH`"
-            if [ "$UPGRADE_PATH" = "$INSTALL_PATH/$UPGRADE_TYPE" ]; then
-                echo "  * examining $UPGRADE_PATH..."
-            elif [ -d "$UPGRADE_PATH" ]; then
-                echo "  * upgrading $UPGRADE_NAME..."
-                if [ -d "$INSTALL_PATH.$old_version/$UPGRADE_TYPE/$UPGRADE_NAME" ]; then
-                    rm -Rf "$INSTALL_PATH.$old_version/$UPGRADE_TYPE/$UPGRADE_NAME" || customExit "* rm -Rf \"$INSTALL_PATH.$old_version/$UPGRADE_TYPE/$UPGRADE_NAME\" failed."
-                    mv "$UPGRADE_PATH" "$INSTALL_PATH.$old_version/$UPGRADE_TYPE/$UPGRADE_NAME" || customExit "mv \"$UPGRADE_PATH\" \"$INSTALL_PATH.$old_version/$UPGRADE_TYPE/$UPGRADE_NAME\""
-                fi
-            else
-                echo "  * upgrading $UPGRADE_NAME..."
-                mv -f "$UPGRADE_PATH" "$INSTALL_PATH.$old_version/$UPGRADE_TYPE/$UPGRADE_NAME" || customExit "mv \"$UPGRADE_PATH\" \"$INSTALL_PATH.$old_version/$UPGRADE_TYPE/$UPGRADE_NAME\""
-            fi
-        done
-        rmdir "$INSTALL_PATH/$UPGRADE_TYPE" || customExit "rmdir \"$INSTALL_PATH/$UPGRADE_TYPE\" failed."
-        mv "$INSTALL_PATH.$old_version/$UPGRADE_TYPE" "$INSTALL_PATH/" || customExit "mv \"$INSTALL_PATH.$old_version/$UPGRADE_TYPE\" \"$INSTALL_PATH/\""
-    fi
-}
+killall minetest 2>/dev/null 1>&2
 
-if [ -d "$MY_TMP/$EXTRACTED_NAME" ]; then
-    rm -Rf "$MY_TMP/$EXTRACTED_NAME" || customExit "* removing the old \"$MY_TMP/$EXTRACTED_NAME\" failed."
+if [ -d "$EM_TMP/$EXTRACTED_NAME" ]; then
+    rm -Rf "$EM_TMP/$EXTRACTED_NAME" || customExit "* removing the old \"$EM_TMP/$EXTRACTED_NAME\" failed."
 fi
-unzip "$DL_PATH" || customExit "Extracting $DL_PATH failed."
+unzip "$DL_PATH" > /dev/null || customExit "Extracting $DL_PATH failed."
 
-if [ -d "$EXTRACTED_PATH" ]; then
-    # cd "$HOME" || customExit "cd \"$HOME\" failed."
-    if [ -d "$INSTALL_PATH" ]; then
-        if [ -d "$INSTALL_PATH.$old_version" ]; then
-            customExit "You already have an old copy of \"$INSTALL_PATH.$old_version\". You must rename it or backup your world and other data then remove it before proceeding."
-        fi
-        if [ ! -f "`command -v basename`" ]; then
-            customExit "Install cannot continue because the basename command is not present."
-        fi
-        if [ ! -f "`command -v find`" ]; then
-            customExit "Install cannot continue because the find command is not present."
-        fi
-        mv "$INSTALL_PATH" "$INSTALL_PATH.$old_version"
-        mv "$EXTRACTED_PATH" "$INSTALL_PATH"
-        upgradeAndMerge "games"
-        upgradeAndMerge "worlds"
-        upgradeAndMerge "mods"
-        if [ -f "$INSTALL_PATH.$old_version/minetest.conf" ]; then
-            mv "$INSTALL_PATH.$old_version/minetest.conf" "$INSTALL_PATH/minetest.conf"
-        fi
-    else
-        mv "$EXTRACTED_PATH" "$INSTALL_PATH"
-    fi
-    # curl https://downloads.minetest.org/release.txt -o "$INSTALL_PATH/release.txt"
-else
-    customExit "Extracting \"$DL_PATH\" did not result in $EXTRACTED_PATH."
-fi
-echo "Installing Final Minetest $version to $INSTALL_PATH is complete."
+UNUSED_MT_PATH="$INSTALL_PATH.$old_release_version"
+installOrUpgradeMinetest "$EXTRACTED_PATH" "$INSTALL_PATH" "$UNUSED_MT_PATH"
+echo "Installing Final Minetest $new_release_version to $INSTALL_PATH is complete."
+echo "  - old:$old_release_version; new:$new_release_version"
+echo "* installing ENLIVEN..."
+installOrUpgradeENLIVEN "$INSTALL_PATH"
+install_mt_in_place_shortcut "$SHORTCUT_PATH" "$INSTALL_PATH"
 echo
diff --git a/versionize.sh b/versionize.sh
index 24fa873..7acad8f 100755
--- a/versionize.sh
+++ b/versionize.sh
@@ -1,9 +1,8 @@
 #!/bin/bash
 echo
 echo "Collecting version..."
-MY_NAME="versionize.sh"
 EM_CONFIG_PATH=$HOME/.config/EnlivenMinetest
-cd "$EM_CONFIG_PATH" || customExit "[$MY_NAME] cd \"$EM_CONFIG_PATH\" failed."
+cd "$EM_CONFIG_PATH" || customExit "[versionize.sh] cd \"$EM_CONFIG_PATH\" failed."
 if [ -z "$original_src_path" ]; then
     original_src_path="$1"
 fi
@@ -99,30 +98,16 @@ elif [ -d "$try_path" ]; then
 else
     customExit "$try_path is not a file or directory."
 fi
-release_txt_path="$src_path/minetest/release.txt"
-if [ ! -f "$release_txt_path" ]; then
-    try_release_txt_path="$src_path/release.txt"
-    if [ ! -f "$try_release_txt_path" ]; then
-        echo
-        echo
-        echo "* '$src_path' remains$destroy_msg."
-        customExit "Missing $release_txt_path (or $src_path/release.txt)"
-    else
-        echo "Missing $release_txt_path (usually copied from $try_release_txt_path by EnlivenMinetest compille script(s)); reverting to $try_release_txt_path"
-        release_txt_path="$try_release_txt_path"
-    fi
-fi
-release_line="`head -n 1 $release_txt_path`"
-version="${release_line##* }"  # get second word
-version_len=${#version}
-if [ "$version_len" -ne "6" ]; then
-    customExit "Unexpected version scheme (not 6 characters): '$version' near '$release_line' in file $release_txt_path"
-fi
+
+detect_mt_version_at "$src_path/minetest"
+# ^ DOES exit if no 6-digit version is detected when no 3rd param
+#   is provided.
+
 echo "src_name=$src_name"
 echo "src_path=$src_path"
-echo "version=$version"
-# dest_path="$versions_path/$src_name-$version"
-dest_path="$versions_path/linux-minetest-kit-$version"
+echo "new_release_version=$new_release_version"
+# dest_path="$versions_path/$src_name-$new_release_version"
+dest_path="$versions_path/linux-minetest-kit-$new_release_version"
 echo "dest_path=$dest_path"
 
 if [ ! -z "$src_archive" ]; then
@@ -133,7 +118,7 @@ if [ ! -z "$src_archive" ]; then
     filename=$(basename -- "$src_archive")
     extension="${filename##*.}"
     filename="${filename%.*}"
-    dst_archive="$versions_path/$filename-$version.$extension"
+    dst_archive="$versions_path/$filename-$new_release_version.$extension"
     if [ -f "$dst_archive" ]; then
         customWarn "This will overwrite '$dst_archive' with '$src_archive'."
     fi