AU: pass whether or not we can tolerate a delta to the server
BUG=4848
TEST=attached unittests
Review URL: http://codereview.chromium.org/3017006
diff --git a/omaha_request_params.cc b/omaha_request_params.cc
index 502f7b0..1ab6f2c 100644
--- a/omaha_request_params.cc
+++ b/omaha_request_params.cc
@@ -38,6 +38,14 @@
app_id = OmahaRequestParams::kAppId;
app_lang = "en-US";
app_track = GetLsbValue("CHROMEOS_RELEASE_TRACK", "");
+ struct stat stbuf;
+
+ // Deltas are only okay if the /.nodelta file does not exist.
+ // If we don't know (i.e. stat() returns some unexpected error),
+ // then err on the side of caution and say deltas are not okay
+ delta_okay = (stat((root_ + "/.nodelta").c_str(), &stbuf) < 0) &&
+ (errno == ENOENT);
+
update_url = GetLsbValue("CHROMEOS_AUSERVER",
OmahaRequestParams::kUpdateUrl);
return true;