[CI] Build AppImage (#149)

Updated gh workflow, fixes build issues

.github/workflows/build.yml

@@ -15,16 +15,22 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-20.04]
         cc: [gcc]
     runs-on: ${{ matrix.os }}
     env:
       CC: ${{ matrix.cc }}
     steps:
     - run: sudo apt-get update -y
     - run: sudo apt-get install -y libgtkmm-3.0-dev libcurl4-gnutls-dev libyajl-dev valgrind
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - run: make
     - run: sudo make install
     - run: make clean
     - run: which samrewritten
+    - run: cd package && ./build_appimage.sh
+    - name: Upload artifact
+      uses: actions/upload-artifact@v3
+      with:
+        name: SamRewritten
+        path: package/Sam*.AppImage 

README.md

@@ -22,7 +22,8 @@ It comes with third-party tools integration and a nice user interface.
 
 SamRewritten is constantly under development, if you think you can give us a hand, feel free to reach us :)
 
-### ⚠️ As of now, SamRewritten only works if Steam has been installed through your package manager (apt, pacman, ...)
+### ⚠️ SamRewritten only works if Steam has been installed through your package manager (apt, pacman, ...). 
+### ⚠️ Flatpak is *not* supported but contributions are welcome!
 
 # Building
 

package/build_appimage.sh

@@ -7,8 +7,11 @@ if [ ! -f ../bin/samrewritten ]; then
     popd
 fi
 
+export LINUXDEPLOY="linuxdeploy-x86_64.AppImage --appimage-extract-and-run"
+
 rm -rf AppDir
-./linuxdeploy-x86_64.AppImage --appdir AppDir
+chmod +x ${LINUXDEPLOY%%--*}
+./$LINUXDEPLOY --appdir AppDir
 grep -v Icon samrewritten.desktop > AppDir/myapp.desktop
 echo Icon=myapp >> AppDir/myapp.desktop
 cp ../assets/icon_256.png AppDir/myapp.png
@@ -29,4 +32,4 @@ cp ../bin/samrewritten AppDir/usr/bin
 cp ../bin/libsteam_api.so AppDir/usr/lib
 cp ../assets/icon_256.png AppDir/usr/assets/
 
-LD_LIBRARY_PATH=AppDir/usr/lib ./linuxdeploy-x86_64.AppImage --appdir AppDir --output appimage
+LD_LIBRARY_PATH=AppDir/usr/lib ./$LINUXDEPLOY --appdir AppDir --exclude-library=libgmodule-2.0 --output appimage