Add Docker-based AppImage builder script based on @cielavenir 's suggestion in #286

.gitignore

@@ -10,6 +10,7 @@ OneDriveGUI.code-workspace
 
 AppDir/
 appimage-builder-cache/
+appimage-build/
 *.AppImage
 *.md
 !readme.md

AppImageBuilder.yml

@@ -23,7 +23,7 @@ AppDir:
     id: io.github.bpozdena.OneDriveGUI
     name: OneDriveGUI
     icon: OneDriveGUI
-    version: 1.2.0
+    version: 1.3.1
     exec: usr/bin/python3
     exec_args: "$APPDIR/usr/src/OneDriveGUI.py $@"
 

build_appimage_docker.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+# Docker-based AppImage builder for OneDriveGUI
+# Allows building AppImages on non-Debian systems (e.g. Arch Linux)
+# using an Ubuntu Noble container with appimage-builder.
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+echo "=== OneDriveGUI Docker AppImage Builder ==="
+echo ""
+
+# Check Docker is available
+if ! command -v docker &> /dev/null; then
+    echo "Error: docker not found. Please install Docker first."
+    exit 1
+fi
+
+# Build the AppImage inside an Ubuntu Noble container
+docker run \
+    --cap-add SYS_ADMIN \
+    --device /dev/fuse \
+    --security-opt apparmor:unconfined \
+    --rm \
+    -v "$SCRIPT_DIR:/OneDriveGUI" \
+    ubuntu:noble \
+    bash -c '
+set -e
+echo "Installing dependencies..."
+apt update
+apt install -y wget python3 python3-pip fuse gtk-update-icon-cache
+
+echo "Installing appimage-builder..."
+wget -q -O /tmp/appimage-builder.AppImage https://github.com/AppImageCrafters/appimage-builder/releases/download/v1.1.0/appimage-builder-1.1.0-x86_64.AppImage
+chmod +x /tmp/appimage-builder.AppImage
+mv /tmp/appimage-builder.AppImage /usr/local/bin/appimage-builder
+
+echo ""
+echo "Building AppImage..."
+cd /OneDriveGUI/
+./build_appimage.sh
+
+echo ""
+echo "Fixing ownership of build artifacts..."
+chown -R '"$(id -u)"':'"$(id -g)"' /OneDriveGUI/AppDir 2>/dev/null || true
+# Fix ownership of the generated AppImage
+chown '"$(id -u)"':'"$(id -g)"' /OneDriveGUI/OneDriveGUI-*.AppImage 2>/dev/null || true
+'
+
+echo ""
+echo "=== Build complete ==="
+ls -lh "$SCRIPT_DIR"/OneDriveGUI-*.AppImage 2>/dev/null || echo "No AppImage found in $SCRIPT_DIR"