AppImage linux autobuild

#264 #272

.github/workflows/build.yml

@@ -70,7 +70,9 @@ jobs:
     - name: Build
       run: |
         make CC=gcc-14 CXX=g++-14 CXXFLAGS="-Wno-deprecated-copy" -j4
-        7z a Linux-${{ matrix.arch }}.7z ./install/*
+        ./appimage.sh
+        7z a Linux-${{ matrix.arch }}.7z ./NetRadiant-Custom-x86_64.AppImage
+#        7z a Linux-${{ matrix.arch }}.7z ./install/*
 #       7z to preserve file permissions
 
     - uses: actions/upload-artifact@v4

appimage.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+set -e
+
+APPDIR="NetRadiant-Custom.AppDir"
+APPNAME="NetRadiant-Custom"
+BINARY="radiant.x86_64"
+DESKTOP="netradiantcustom.desktop"
+ICON="$BINARY"
+ICON_SRC="install/bitmaps/logo.svg"
+ICON_DEST="$APPDIR/$ICON.svg"
+
+
+echo "[1/5] Preparing AppDir structure..."
+mkdir -p "$APPDIR/usr/bin"
+
+echo "[2/5] Copying executable and support files..."
+cp -r install/. "$APPDIR/usr/bin/"
+
+echo "[3/5] Generating desktop file..."
+DESKTOP_FILE="$APPDIR/$DESKTOP"
+cat > "$DESKTOP_FILE" <<EOF
+[Desktop Entry]
+Name=$APPNAME
+Exec=$BINARY %F
+Icon=$ICON
+Type=Application
+Categories=Game;Graphics;
+StartupWMClass=NetRadiant-Custom
+EOF
+
+install "$ICON_SRC"  "$ICON_DEST"
+
+echo "[4/5] Linuxdeploy downloading..."
+wget -c -nv "https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage"
+chmod +x linuxdeploy-x86_64.AppImage
+wget -c -nv "https://github.com/linuxdeploy/linuxdeploy-plugin-qt/releases/download/continuous/linuxdeploy-plugin-qt-x86_64.AppImage"
+chmod +x linuxdeploy-plugin-qt-x86_64.AppImage
+
+APPIMAGETOOL=./linuxdeploy-x86_64.AppImage
+
+echo "[5/5] Building AppImage..."
+"$APPIMAGETOOL" --desktop-file $APPDIR/*.desktop --icon-file=$ICON_DEST --appdir=$APPDIR --plugin qt --output appimage
+
+echo "Done!"
+echo "Built: ${APPNAME}-x86_64.AppImage"