update_engine: Implement ReleaseLtsTag
LTS (Long Term Support) requires reading the policy
ChromeOSReleaseLtsHint() to get the token that is used for defining the
LTS channel parameters. The value is sent in "ltstag" attribute of the
updatecheck.
BUG=chromium:1114784
TEST=sudo FEATURES=test emerge update_engine
Cq-Depend: chromium:2345311
Change-Id: I480e7920e9187ebe79cbde6c655252e432842608
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/update_engine/+/2350580
Reviewed-by: Victor-Gabriel Savu <vsavu@google.com>
Reviewed-by: Jae Hoon Kim <kimjae@chromium.org>
Reviewed-by: Andrew Lassalle <andrewlassalle@chromium.org>
Tested-by: Victor-Gabriel Savu <vsavu@google.com>
Commit-Queue: Victor-Gabriel Savu <vsavu@google.com>
Commit-Queue: Amin Hassani <ahassani@chromium.org>
diff --git a/update_manager/policy.h b/update_manager/policy.h
index 844a4d0..9194c38 100644
--- a/update_manager/policy.h
+++ b/update_manager/policy.h
@@ -60,6 +60,8 @@
int rollback_allowed_milestones;
// A target channel, if so imposed by policy; otherwise, an empty string.
std::string target_channel;
+ // Specifies if the channel hint, e.g. LTS (Long Term Support) updates.
+ std::string lts_tag;
// Whether the allowed update is interactive (user-initiated) or periodic.
bool interactive;