Make bin directory AppImage ready

CMakeLists.txt

@@ -807,6 +807,14 @@ elseif(UNIX)
       endif()
     endif()
   endfunction()
+  function(move_app_image_file)
+    set(SRC "${CMAKE_CURRENT_SOURCE_DIR}/src/resources/${ARGV0}")
+    set(DST "${CMAKE_BINARY_DIR}/bin/${ARGV0}")
+    add_custom_command(TARGET lovr POST_BUILD
+       DEPENDS ${SRC}
+       COMMAND ${CMAKE_COMMAND} -E copy ${SRC} ${DST}
+    )
+  endfunction()
   move_lib(${LOVR_GLFW})
   move_lib(${LOVR_LUA})
   move_lib(${LOVR_ODE})
@@ -816,4 +824,9 @@ elseif(UNIX)
   foreach(target ${ALL_PLUGIN_TARGETS})
     move_lib(${target})
   endforeach()
+  if(LOVR_BUILD_BUNDLE)
+    move_app_image_file("lovr.desktop")
+    move_app_image_file("AppRun")
+    move_app_image_file("logo.svg")
+  endif()
 endif()

src/resources/AppRun

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+IMAGE_DIR="$(dirname "$(readlink -f "$0")")"
+
+exec "$IMAGE_DIR/lovr" "$@"

src/resources/logo.svg

@@ -0,0 +1 @@
+<svg viewBox="0 0 85 78" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1"><defs><linearGradient x1="50%" y1="10.433596%" x2="50%" y2="89.3888378%" id="g1"><stop stop-color="#18A9E3" offset="0%"></stop><stop stop-color="#E94699" offset="100%"></stop></linearGradient><path d="M36.0947816,24.4670322 C44.9603247,9.17704943 59.3351373,9.17826246 68.2002532,24.4670322 L90.4871564,62.9030025 C99.3529756,78.1929853 92.2066627,90.5879653 74.5447305,90.5879653 L29.7514983,90.5879653 C12.0809204,90.5879653 4.94373271,78.1917723 13.8085725,62.9030025 L36.0947816,24.4670322 Z" id="p2"></path><mask id="m3" maskContentUnits="userSpaceOnUse" maskUnits="objectBoundingBox" x="0" y="0" width="84.2947002" height="77.5879653" fill="white"><use href="#p2"></use></mask></defs><g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"><g transform="translate(-10.000000, -13.000000)" stroke="url(#g1)" stroke-width="16" fill="rgba(255, 255, 255, .1)"><use mask="url(#m3)" href="#p2"></use></g></g></svg>

src/resources/lovr.desktop

@@ -0,0 +1,5 @@
+[Desktop Entry]
+Type=Application
+Name=LÖVR
+Icon=logo
+Categories=