version: Add a "+" to version string

I use this to show that there have been any changes since the last
release.

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>

include/Sconscript

@@ -1,9 +1,19 @@
 #!/usr/bin/python
+import subprocess
 Import("env", "test_env")
 
 version = str(env.Version)
 if env.Debug == True:
 	version += "-debug"
 
+try:
+	devnull = open("/dev/null", "w")
+	diff = subprocess.check_output("git diff $(git describe --abbrev=0)",
+					stderr=devnull, shell=True)
+	if diff != "":
+		version += "+"
+except:
+	pass
+
 for e in (env, test_env):
 	e.Append( CCFLAGS = [ "-DCONFIG_VERSION='\"%s\"'" % version ] )

tests/core/version.cpp

@@ -4,15 +4,9 @@
 #include <core/version.h>
 #include <tests/test.h>
 
-#ifdef CONFIG_DEBUG
-const std::string expected = "6.3-debug";
-#else
-const std::string expected = "6.3";
-#endif /* CONFIG_DEBUG */
-
 static void test_version()
 {
-	test_equal((std::string)get_version(), expected);
+	test_equal((std::string)get_version(), CONFIG_VERSION);
 }
 
 int main(int argc, char **argv)