add /post_installation_script/bundles/ and /post_installation_script/bundles/template.sh and add section and example for bundles in /post_installation_script/Nachinstallationsarbeiten_LC_Esslingen.sh and make usage of "bundles" possible (for modularity)

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Linux-Café Esslingen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -18,6 +18,10 @@ You can also make use of snapshot feature of the virtualization software to easi
 e.g. state directly after Linux Mint installation, before running the post-installation script. 
 This way you can test the script multiple times without needing to reinstall Linux Mint each time.
 
+## License
+
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
+
 ## Release Process
 
 This project uses a two-step release process.

post_installation_script/Nachinstallationsarbeiten_LC_Esslingen.sh

@@ -2,18 +2,6 @@
 
 SCRIPT_VERSION="v11"
 
-question_answered_with_yes() {
-  local prompt="$1"
-  local ans
-  printf '%b\n  Geben Sie j oder n ein und die Eingabetaste,\n  Abbruch mit jeder anderen Taste ... [j/N]: ' "$prompt"
-  read -r ans
-  case "$ans" in
-    j|J|ja|y|Y) return 0 ;;
-    n|N|"") return 1 ;;
-    *) echo "Abbruch."; exit 1 ;;
-  esac
-}
-
 echo "
 #####################################
 ####  Nachinstallationsarbeiten
@@ -50,13 +38,13 @@ sSuffixDate=$(date '+%Y-%m-%d_%H:%M:%S')
 detect_desktop() {
   if [ -n "$XDG_CURRENT_DESKTOP" ]; then
     case "$XDG_CURRENT_DESKTOP" in
-            XFCE|Xfce|xfce) echo "xfce" ;;
+    XFCE | Xfce | xfce) echo "xfce" ;;
-            X-Cinnamon|Cinnamon|cinnamon) echo "cinnamon" ;;
+    X-Cinnamon | Cinnamon | cinnamon) echo "cinnamon" ;;
     esac
   elif [ -n "$DESKTOP_SESSION" ]; then
     case "$DESKTOP_SESSION" in
-            *xfce*|*XFCE*) echo "xfce" ;;
+    *xfce* | *XFCE*) echo "xfce" ;;
-            *cinnamon*|*Cinnamon*) echo "cinnamon" ;;
+    *cinnamon* | *Cinnamon*) echo "cinnamon" ;;
     esac
   fi
 }
@@ -80,7 +68,10 @@ if [ -z "$DETECTED_DESKTOP" ]; then
   case "$desktop_choice" in
   1) DESKTOP="xfce" ;;
   2) DESKTOP="cinnamon" ;;
-        *) echo "Ungültige Auswahl. Skript wird beendet."; exit 1 ;;
+  *)
+    echo "Ungültige Auswahl. Skript wird beendet."
+    exit 1
+    ;;
   esac
 else
   echo
@@ -99,16 +90,19 @@ else
     case "$desktop_choice" in
     1) DESKTOP="xfce" ;;
     2) DESKTOP="cinnamon" ;;
-            *) echo "Ungültige Auswahl. Skript wird beendet."; exit 1 ;;
+    *)
+      echo "Ungültige Auswahl. Skript wird beendet."
+      exit 1
+      ;;
     esac
   fi
 fi
 
 case "$DESKTOP" in
-    xfce)
+xfce)
   source "$SCRIPT_DIR/xfce/xfce.sh"
   ;;
-    cinnamon)
+cinnamon)
   source "$SCRIPT_DIR/cinnamon/cinnamon.sh"
   ;;
 esac
@@ -130,7 +124,6 @@ if question_answered_with_yes " ### Installiere Sensoren? ###"; then
   fi
 fi
 
-
 echo
 echo
 echo "### Kauf-DVDs abspielen ###"
@@ -140,7 +133,6 @@ if question_answered_with_yes "  ### Installiere Paket um Film DVDs abspielen zu
   sudo dpkg-reconfigure libdvd-pkg
 fi
 
-
 echo
 echo
 echo "### Schriften, falls Microsoft-Office-Dokumente weiterverwendet werden sollen oder Dokumentenaustausch mit Microsoft-Nutzern gewünscht ist ###
@@ -197,7 +189,7 @@ if question_answered_with_yes " ### Installiere Google Schriften? ###"; then
     curl -s -o /tmp/"$_font".zip "${_google_fonts_url_base}/$_font?download=zip&subsets=latin,latin-ext&variants=regular,700"
     if [ -s /tmp/"$_font".zip ] && head -c 2 /tmp/"$_font".zip | grep -q "PK"; then
       unzip -o /tmp/"$_font".zip -d /tmp/"$_font"_fonts
-            sudo cp /tmp/"$_font"_fonts/fonts/"$_font"/* "$_google_fonts_dir/" 2>/dev/null || \
+      sudo cp /tmp/"$_font"_fonts/fonts/"$_font"/* "$_google_fonts_dir/" 2>/dev/null ||
         sudo cp /tmp/"$_font"_fonts/* "$_google_fonts_dir/" 2>/dev/null || true
       rm -rf /tmp/"$_font".zip /tmp/"$_font"_fonts
     else
@@ -212,8 +204,6 @@ if question_answered_with_yes " ### Installiere Google Schriften? ###"; then
   echo "Die Anpassung der Standardschriften und/oder das Erstellen der Ersetzungstabelle in Libre Office muss manuell erfolgen, falls gewünscht."
 fi
 
-
-
 echo
 echo
 echo "#### Chromium Browser installieren:"
@@ -223,7 +213,6 @@ if question_answered_with_yes " ### Installiere Chromium?  ###"; then
   sudo apt install chromium
 fi
 
-
 echo
 echo
 echo "#### Vivaldi Browser installieren:"
@@ -233,7 +222,7 @@ if question_answered_with_yes " ### Installiere Vivaldi? ###"; then
   sudo apt install dirmngr ca-certificates software-properties-common apt-transport-https curl -y
   #
   echo "## ## key importieren"
-    curl -fsSL https://repo.vivaldi.com/archive/linux_signing_key.pub | gpg --dearmor | sudo tee /usr/share/keyrings/vivaldi.gpg > /dev/null
+  curl -fsSL https://repo.vivaldi.com/archive/linux_signing_key.pub | gpg --dearmor | sudo tee /usr/share/keyrings/vivaldi.gpg >/dev/null
   #
   echo "## ## Repository hinzufügen"
   echo deb [arch=amd64,armhf signed-by=/usr/share/keyrings/vivaldi.gpg] https://repo.vivaldi.com/stable/deb/ stable main | sudo tee /etc/apt/sources.list.d/vivaldi.list
@@ -245,7 +234,6 @@ if question_answered_with_yes " ### Installiere Vivaldi? ###"; then
   #
 fi
 
-
 echo
 echo
 echo "####Signal für Desktop (die Nutzung setzt eine Signal-Installation auf einem Android- Oder Apple-Gerät voraus!)#### "
@@ -256,8 +244,8 @@ if question_answered_with_yes " ###  Installiere Signal?  ###"; then
     ## Linux distributions such as Ubuntu, Mint etc.
     ## key importieren
     "
-    wget -O- https://updates.signal.org/desktop/apt/keys.asc | gpg --dearmor > /tmp/signal-desktop-keyring.gpg
+  wget -O- https://updates.signal.org/desktop/apt/keys.asc | gpg --dearmor >/tmp/signal-desktop-keyring.gpg
-    cat /tmp/signal-desktop-keyring.gpg | sudo tee /usr/share/keyrings/signal-desktop-keyring.gpg > /dev/null
+  cat /tmp/signal-desktop-keyring.gpg | sudo tee /usr/share/keyrings/signal-desktop-keyring.gpg >/dev/null
   #
   echo "## Repository hinzufügen:"
   echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main' | sudo tee /etc/apt/sources.list.d/signal-xenial.list
@@ -265,7 +253,8 @@ if question_answered_with_yes " ###  Installiere Signal?  ###"; then
   #
 fi
 
-
+# execute bundles
+# example: $SCRIPT_DIR/bundles/template.sh
 
 echo
 echo "###############################"

post_installation_script/bundles/template.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# <short description here>
+# A shellscript meant to be used as subscript of `/post_installation_script/Nachinstallationsarbeiten_LC_Esslingen.sh`.
+
+SCRIPT_DIR="$(cd "$(dirname "$0")"/.. && pwd)"
+source "$SCRIPT_DIR/common.sh"
+
+# please seperate stuff that doesn't belong together and maybe put short descriptions before those blocks (as comments) like in the following example:
+# # Steam and Steam-related packages
+# echo '### Steam ###'
+# if question_answered_with_yes " ### Installiere Steam? ###"; then
+#   echo "### Steam ###"
+#   sudo apt install steam-installer
+#   # sudo flatpak install com.valvesoftware.Steam
+#   if question_answered_with_yes " ### Installiere Steam-Geräte-Unterstützungspaket (z. B. für Steam-Controller)? ###"; then
+#    echo "### Steam-Devices ###"
+#    sudo apt install steam-devices
+#  fi
+# fi
+# echo '### Ende Steam ###'

post_installation_script/common.sh

@@ -0,0 +1,16 @@
+# functions and variables for use in multiple files ("common" functions and variables)
+
+question_answered_with_yes() {
+  local prompt="$1"
+  local ans
+  printf '%b\n  Geben Sie j oder n ein und die Eingabetaste,\n  Abbruch mit jeder anderen Taste ... [j/N]: ' "$prompt"
+  read -r ans
+  case "$ans" in
+  j | J | ja | y | Y) return 0 ;;
+  n | N | "") return 1 ;;
+  *)
+    echo "Abbruch."
+    exit 1
+    ;;
+  esac
+}