Linux: implement automatic creation of AppImage bundle during build of generic binaries

src/Build/build_veracrypt_linux.sh

@@ -58,6 +58,7 @@ fi
 make WXSTATIC=1 clean || exit 1
 make WXSTATIC=1 || exit 1
 make WXSTATIC=1 package || exit 1
+make WXSTATIC=1 appimage || exit 1
 
 echo "Building console version of VeraCrypt"
 

src/Main/Main.make

@@ -314,6 +314,9 @@ ifndef TC_NO_GUI
 	cp $(BASE_DIR)/Resources/Icons/VeraCrypt-256x256.xpm $(BASE_DIR)/Setup/Linux/usr/share/pixmaps/$(APPNAME).xpm
 	cp $(BASE_DIR)/Setup/Linux/$(APPNAME).desktop $(BASE_DIR)/Setup/Linux/usr/share/applications/$(APPNAME).desktop
 	cp $(BASE_DIR)/Setup/Linux/$(APPNAME).xml $(BASE_DIR)/Setup/Linux/usr/share/mime/packages/$(APPNAME).xml
+
+	cp $(BASE_DIR)/Resources/Icons/VeraCrypt-256x256.xpm $(BASE_DIR)/Setup/Linux/veracrypt.AppDir/$(APPNAME).xpm
+	cp -r $(BASE_DIR)/Setup/Linux/usr $(BASE_DIR)/Setup/Linux/veracrypt.AppDir/.
 endif
 
 
@@ -344,6 +347,48 @@ package: prepare
 	cp $(INTERNAL_INSTALLER_NAME) $(BASE_DIR)/Setup/Linux/packaging/.
 	makeself $(BASE_DIR)/Setup/Linux/packaging $(BASE_DIR)/Setup/Linux/$(INSTALLER_NAME) "VeraCrypt $(TC_VERSION) Installer" ./$(INTERNAL_INSTALLER_NAME)
 
+appimage: prepare
+	@set -e; \
+	_appimagetool_arch_suffix=""; \
+	_final_appimage_arch_suffix=""; \
+	case "$(CPU_ARCH)" in \
+		x86) \
+			_appimagetool_arch_suffix="i686"; \
+			_final_appimage_arch_suffix="i686"; \
+			;; \
+		x64) \
+			_appimagetool_arch_suffix="x86_64"; \
+			_final_appimage_arch_suffix="x86_64"; \
+			;; \
+		arm64) \
+			_appimagetool_arch_suffix="aarch64"; \
+			_final_appimage_arch_suffix="aarch64"; \
+			;; \
+		arm7) \
+			_appimagetool_arch_suffix="armhf"; \
+			_final_appimage_arch_suffix="armhf"; \
+			;; \
+		*) \
+			echo "Error: Unsupported CPU_ARCH for AppImage: $(CPU_ARCH). Supported: x86, x64, arm64, arm7" >&2; \
+			exit 1; \
+			;; \
+	esac; \
+	_appimagetool_executable_name="appimagetool-$${_appimagetool_arch_suffix}.AppImage"; \
+	_appimagetool_executable_path="$(BASE_DIR)/Setup/Linux/$${_appimagetool_executable_name}"; \
+	_appimagetool_url="https://github.com/AppImage/appimagetool/releases/download/continuous/$${_appimagetool_executable_name}"; \
+	_final_appimage_filename="VeraCrypt-$(TC_VERSION)-$${_final_appimage_arch_suffix}.AppImage"; \
+	_final_appimage_path="$(BASE_DIR)/Setup/Linux/$${_final_appimage_filename}"; \
+	\
+	echo "Preparing AppImage for $(CPU_ARCH) (using $${_appimagetool_arch_suffix})..."; \
+	echo "Downloading appimagetool from $${_appimagetool_url}..."; \
+	wget --quiet -O "$${_appimagetool_executable_path}" "$${_appimagetool_url}"; \
+	chmod +x "$${_appimagetool_executable_path}"; \
+	echo "Creating AppImage $${_final_appimage_path}..."; \
+	ARCH="$${_final_appimage_arch_suffix}" "$${_appimagetool_executable_path}" "$(BASE_DIR)/Setup/Linux/veracrypt.AppDir" "$${_final_appimage_path}"; \
+	echo "AppImage created: $${_final_appimage_path}"; \
+	echo "Cleaning up appimagetool..."; \
+	rm -f "$${_appimagetool_executable_path}";
+
 endif
 
 endif

src/Makefile

@@ -602,6 +602,9 @@ install:
 package:
 	$(MAKE) -C Main -f Main.make NAME=Main package
 
+appimage:
+	$(MAKE) -C Main -f Main.make NAME=Main appimage
+
 #------ wxWidgets build ------
 
 ifeq "$(MAKECMDGOALS)" "wxbuild"

src/Setup/Linux/veracrypt.AppDir/AppRun

@@ -0,0 +1,6 @@
+#!/bin/sh
+# Get the directory where AppRun is located
+APPDIR=$(dirname "$(readlink -f "$0")")
+
+# Execute the main VeraCrypt application
+exec "${APPDIR}/usr/bin/veracrypt" "$@"

src/Setup/Linux/veracrypt.AppDir/veracrypt.desktop

@@ -0,0 +1,11 @@
+[Desktop Entry]
+Type=Application
+Name=VeraCrypt
+GenericName=VeraCrypt volume manager
+Comment=Create and mount VeraCrypt encrypted volumes
+Icon=veracrypt
+Exec=AppRun
+Categories=System;Security;Utility;Filesystem;
+Keywords=encryption,filesystem
+Terminal=false
+MimeType=application/x-veracrypt-volume;application/x-truecrypt-volume;