X-Git-Url: http://nitlanguage.org

diff --git a/src/platform/app_annotations.nit b/src/platform/app_annotations.nit
index ab0b067..9cfdec9 100644
--- a/src/platform/app_annotations.nit
+++ b/src/platform/app_annotations.nit
@@ -44,6 +44,9 @@ class AppProject
 		return local_time_s.to_i
 	end
 
+	# Extra folders where to find platform specific resource files
+	var files = new Array[String]
+
 	private var modelbuilder: ModelBuilder
 	private var mainmodule: MModule
 
@@ -64,13 +67,16 @@ class AppProject
 			if val != null then namespace = val
 		end
 
+		var annots = modelbuilder.collect_annotations_on_modules("app_files", mainmodule)
+		for a in annots do files.add_all a.as_relative_paths(modelbuilder)
+
 		modelbuilder.toolcontext.check_errors
 	end
 
 	redef fun to_s do return """
-name: {{{name or else "null"}}}
-namespace: {{{namespace or else "null"}}}
-version: {{{version or else "null"}}}"""
+name: {{{name}}}
+namespace: {{{namespace}}}
+version: {{{version}}}"""
 end
 
 redef class AAnnotation
@@ -84,12 +90,10 @@ redef class AAnnotation
 
 		var args = n_args
 		if args.length < 1 then
-			modelbuilder.error(self, "Annotation error: \"{name}\" expects at least a single argument.")
+			modelbuilder.error(self, "Syntax Error: `{name}` expects at least one argument.")
 			return ""
 		else
 			for arg in args do
-				var format_error = "Annotation error: \"{name}\" expects its arguments to be of type Int or a call to `git_revision`"
-
 				var value
 				value = arg.as_int
 				if value != null then
@@ -107,7 +111,13 @@ redef class AAnnotation
 					# Get Git short revision
 					var proc = new ProcessReader("git", "rev-parse", "--short", "HEAD")
 					proc.wait
-					assert proc.status == 0
+					if proc.status != 0 then
+						# Fallback if this is not a git repository or git bins are missing
+						version_fields.add "0"
+						modelbuilder.warning(self, "git_revision", "Warning: `git_revision` used outside of a git repository or git binaries not available")
+						continue
+					end
+
 					var lines = proc.read_all
 					var revision = lines.split("\n").first
 
@@ -122,6 +132,7 @@ redef class AAnnotation
 					continue
 				end
 
+				var format_error = "Syntax Error: `{name}` expects its arguments to be of type Int or a call to `git_revision`."
 				modelbuilder.error(self, format_error)
 				return ""
 			end
@@ -129,4 +140,29 @@ redef class AAnnotation
 
 		return version_fields.join(".")
 	end
+
+	# Parse all arguments as paths relative to the declaring module
+	#
+	# If no arguments are given, then use the parent directory of the module.
+	private fun as_relative_paths(modelbuilder: ModelBuilder): Array[String]
+	do
+		var paths = new Array[String]
+
+		var file = location.file
+		if file == null then return paths
+
+		var args = n_args
+		if args.is_empty then
+			paths.add file.filename.dirname
+		else
+			for arg in args do
+				var val = arg.as_string
+				if val != null then
+					paths.add file.filename.dirname/val
+				else modelbuilder.error(arg, "Syntax Error: `app_files` expects String literals as arguments.")
+			end
+		end
+
+		return paths
+	end
 end