Add basic PKGBUILD for building on Arch/Manjaro

PKGBUILD format is described on the Arch wiki
https://wiki.archlinux.org/index.php/Creating_packages

Arch User Repository is described here
https://wiki.archlinux.org/index.php/Arch_User_Repository

The AUR package can be found here
https://aur.archlinux.org/packages/ovras/

Readme.md

@@ -19,6 +19,7 @@ Adds an overlay to the OpenVR dashboard that allows access to advanced settings
      * [Standalone](#standalone)
   * [Linux](#linux)
      * [AppImage](#appimage)
+     * [Arch/Manjaro](#archmanjaro)
      * [Building from Source](#building-from-source)
   * [Bindings](#bindings)
      * [Music](#music)
@@ -107,6 +108,11 @@ Simply double click the AppImage once downloaded to run it. Depending on your di
 
 If the AppImage doesn't work for whatever reason, please create an issue [here](https://github.com/OpenVR-Advanced-Settings/OpenVR-AdvancedSettings/issues/new/choose) describing the problem and try compiling from source.
 
+### Arch/Manjaro
+
+OpenVR Advanced Settings is on the [Arch User Repository](https://wiki.archlinux.org/index.php/Arch_User_Repository) as `ovras`.
+Manjaro users can [enable](https://wiki.manjaro.org/index.php/Arch_User_Repository) the AUR and install this package using `pamac build ovras`.
+
 ### Building from Source
 
 Detailed instructions are available [here](docs/building_for_linux.md).

build_scripts/linux/PKGBUILD

@@ -0,0 +1,69 @@
+# Maintainer: Vitaly Utkin <vautkin AT teknik DOT io>
+pkgname=ovras
+pkgver=4.0.1
+pkgrel=2
+epoch=0
+pkgdesc="Advanced settings and custom behavior for SteamVR using OpenVR."
+arch=("x86_64")
+url="https://github.com/OpenVR-Advanced-Settings/OpenVR-AdvancedSettings"
+license=("GPL")
+depends=("qt5-declarative"
+         "qt5-multimedia"
+         "libudev0-shim"
+         "mesa")
+optdepends=("dbus: media player support"
+            "xorg-server: send keyboard keys")
+source=("https://github.com/OpenVR-Advanced-Settings/OpenVR-AdvancedSettings/archive/v$pkgver.tar.gz")
+sha256sums=("371d5a3f81a986ec5b3446c62a36cbf5eb951c97ea2b4a64752c4709bb8e6c76")
+
+build() {
+    cd "OpenVR-AdvancedSettings-$pkgver"
+
+    _additionalOptions=
+
+    # Attempting to compile without package will result in compile error
+    pacman -Qi xorg-server >/dev/null 2>&1
+    if [ $? -ne 0 ]; then
+        _additionalOptions="CONFIG+=noX11"
+        echo "X11 features disabled."
+    else
+        echo "X11 features enabled."
+    fi
+
+    # Attempting to compile without package will result in compile error
+    pacman -Qi dbus >/dev/null 2>&1
+    if [ $? -ne 0 ]; then
+        _additionalOptions+=" CONFIG+=noDBUS"
+        echo "DBUS features disabled."
+    else
+        echo "DBUS features enabled."
+    fi
+
+    qmake PREFIX="$pkgdir/opt/" $_additionalOptions
+    make
+}
+
+package() {
+    cd "OpenVR-AdvancedSettings-$pkgver"
+
+    # Add .desktop file
+    mkdir -p "$pkgdir/usr/share/applications"
+    cp "src/package_files/linux/AdvancedSettings.desktop" "$pkgdir/usr/share/applications/"
+    sed -i 's/Exec=.*/Exec=\/opt\/AdvancedSettings\/AdvancedSettings/' "$pkgdir/usr/share/applications/AdvancedSettings.desktop"
+
+    # Add correct desktop icon to desktop file
+    sed -i 's/Icon=.*/Icon=\/opt\/AdvancedSettings\/AdvancedSettings.png/' "$pkgdir/usr/share/applications/AdvancedSettings.desktop"
+    # Dir doesn't exist before `make install`
+    mkdir -p "$pkgdir/opt/AdvancedSettings/"
+    cp "src/res/img/icons/thumbicon.png" "$pkgdir/opt/AdvancedSettings/AdvancedSettings.png"
+
+    # Make program use correct working dir
+    echo "Path=/opt/AdvancedSettings" >> "$pkgdir/usr/share/applications/AdvancedSettings.desktop"
+
+    # Enable command line usage
+    mkdir -p "$pkgdir/usr/bin/"
+    ln -s /opt/AdvancedSettings/AdvancedSettings "$pkgdir/usr/bin/ovras"
+
+    # Install
+    make install
+}

docs/building_for_linux.md

@@ -306,6 +306,9 @@ qmake
 make -j2
 ```
 
+A stable version can also be found on the [Arch User Repository](https://wiki.archlinux.org/index.php/Arch_User_Repository) as `ovras`.
+It can be installed with `pamac build ovras`.
+
 # Building
 
 You will need the requirements above.