Export build-time paths as entries on awesome

This removes some @EXPANSIONS@ from Lua files and removes a hack that
was needed. All is better now! :-)

Signed-off-by: Uli Schlachter <psychon@znc.in>

awesomeConfig.cmake

@@ -377,12 +377,6 @@ if(DO_COVERAGE)
                     ${BUILD_DIR}/${file}
                     COPYONLY)
     endforeach()
-
-    # There is no way to avoid that one
-    configure_file(${SOURCE_DIR}/lib/awful/util.lua
-                    ${BUILD_DIR}/lib/awful/util.lua
-                    ESCAPE_QUOTES
-                    @ONLY)
 else()
     foreach(file ${AWESOME_CONFIGURE_COPYONLY_WITHCOV_FILES})
         configure_file(${SOURCE_DIR}/${file}

config.h

@@ -4,6 +4,8 @@
 #define AWESOME_LUA_LIB_PATH  "@AWESOME_LUA_LIB_PATH@"
 #define XDG_CONFIG_DIR        "@XDG_CONFIG_DIR@"
 #define AWESOME_IS_BIG_ENDIAN @AWESOME_IS_BIG_ENDIAN@
+#define AWESOME_THEMES_PATH   "@AWESOME_THEMES_PATH@"
+#define AWESOME_ICON_PATH     "@AWESOME_ICON_PATH@"
 
 #cmakedefine WITH_DBUS
 #cmakedefine HAS_EXECINFO

lib/awful/util.lua

@@ -200,13 +200,13 @@ end
 --- Get the path to the directory where themes are installed.
 -- @return A string with the requested path with a slash at the end.
 function util.get_themes_dir()
-    return (os.getenv('AWESOME_THEMES_PATH') or "@AWESOME_THEMES_PATH@") .. "/"
+    return (os.getenv('AWESOME_THEMES_PATH') or awesome.themes_path) .. "/"
 end
 
 --- Get the path to the directory where our icons are installed.
 -- @return A string with the requested path with a slash at the end.
 function util.get_awesome_icon_dir()
-    return (os.getenv('AWESOME_ICON_PATH') or "@AWESOME_ICON_PATH@") .. "/"
+    return (os.getenv('AWESOME_ICON_PATH') or awesome.icon_path) .. "/"
 end
 
 --- Get the user's config or cache dir.

luaa.c

@@ -352,6 +352,16 @@ luaA_fixups(lua_State *L)
  * @tfield string hostname
  */
 
+/**
+ * The path where themes were installed to.
+ * @tfield string themes_path
+ */
+
+/**
+ * The path where icons were installed to.
+ * @tfield string icon_path
+ */
+
 static int
 luaA_awesome_index(lua_State *L)
 {
@@ -409,6 +419,18 @@ luaA_awesome_index(lua_State *L)
         return 1;
     }
 
+    if(A_STREQ(buf, "themes_path"))
+    {
+        lua_pushliteral(L, AWESOME_THEMES_PATH);
+        return 1;
+    }
+
+    if(A_STREQ(buf, "icon_path"))
+    {
+        lua_pushliteral(L, AWESOME_ICON_PATH);
+        return 1;
+    }
+
     return luaA_default_index(L);
 }