add linux installer support

Author: Zehen-249

new-constructor-installer/construct.yaml

@@ -6,7 +6,8 @@ name: Osdag
 version: 2026.02.0.0
 uninstall_name: ${NAME}
 company: Osdag, FOSSEE
-installer_type: exe
+installer_type: exe # [win]
+installer_type: sh  # [linux]
 
 icon_image: Osdag.ico
 welcome_text: |
@@ -15,12 +16,14 @@ welcome_text: |
 
 license_file: ..\license.txt
 extra_files:
-  - post_install.bat
-  - pre_uninstall.bat
-  - launch_osdag.vbs
+  - post_install.bat  # [win]
+  - pre_uninstall.bat # [win]
+  - launch_osdag.vbs  # [win]
+  - post_install.sh   # [linux]
+  - pre_uninstall.sh  # [linux]
   - Osdag.ico
-  - create_shortcuts.ps1
-  - remove_shortcuts.ps1
+  - create_shortcuts.ps1  # [win]
+  - remove_shortcuts.ps1  # [win]
 
 
 
@@ -36,15 +39,19 @@ initialize_conda: false
 register_python: false
 
 # Set Default installation location
-default_prefix: "%LOCALAPPDATA%\\Osdag"
-default_prefix_all_users: "%ProgramData%\\Osdag"
+default_prefix: "%LOCALAPPDATA%\\Osdag" # [win]
+default_prefix_all_users: "%ProgramData%\\Osdag" # [win]
+default_prefix: "$HOME/Osdag"  # [linux]
+# default_prefix_all_users: "/opt/Osdag"  # [linux]
 
 # if package conda recipe include has Menu\ then use for shortcut creation
 # menu_packages:
 #   - osdag
 
-post_install: post_install.bat
-pre_uninstall: pre_uninstall.bat
+post_install: post_install.bat  # [win]
+pre_uninstall: pre_uninstall.bat  # [win]
+post_install: post_install.sh   # [linux]
+pre_uninstall: pre_uninstall.sh  # [linux]
 
 post_install_desc: |
  This will create shortcuts for Osdag and add it to the start menu. You can also launch Osdag from the desktop shortcut.(Recommended)

new-constructor-installer/post_install.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+set -e
+
+APP_NAME="Osdag"
+INSTALL_DIR="$PREFIX"
+
+DESKTOP_FILE="$HOME/.local/share/applications/osdag.desktop"
+ICON_FILE="$INSTALL_DIR/Osdag.ico"
+LAUNCHER="$INSTALL_DIR/Scripts/osdag"
+
+echo "Creating application launcher..."
+
+mkdir -p "$HOME/.local/share/applications"
+
+cat <<EOF > "$DESKTOP_FILE"
+[Desktop Entry]
+Name=Osdag
+Exec=$LAUNCHER
+Icon=$ICON_FILE
+Type=Application
+Categories=Engineering;
+Terminal=false
+EOF
+
+chmod +x "$DESKTOP_FILE"
+
+echo "Launcher created at:"
+echo "$DESKTOP_FILE"

new-constructor-installer/pre_uninstall.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+APP_NAME="Osdag"
+
+echo "Removing Osdag shortcuts..."
+
+rm -f "$HOME/.local/share/applications/osdag.desktop" 2>/dev/null
+rm -f "$HOME/Desktop/Osdag.desktop"  2>/dev/null
+
+echo "Cleanup complete."