Shawn Pearce 43b10f8672 Add $change.originalSubject for email templates ... GMail threads messages together by subject and ignores the list headers included by Gerrit. Keep track of the first (or most recent) subject used by each change so that the string is available to the site's ChangeSubject.vm template. Site administrators that run servers whose end-user base is mostly on GMail (e.g. internal Google) can modify the site's ChangeSubject.vm to use $change.originalSubject to improve threading for GMail inboxes. To simplify the schema upgrade for gerrit-review the originalSubject field is automatically taken from the existing subject field during first use. This avoids needing to rewrite every change record in the database to copy over the subject string to originalSubject. Avoiding update of every change also improves migration times for any large server, as the database will not update XX,XXX merged changes. Change-Id: Idc36cbf0cef9fe06b0b272f6a7eefe76635e3e19		2014-12-27 23:13:21 +00:00
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src	Add $change.originalSubject for email templates	2014-12-27 23:13:21 +00:00
BUCK	Improve PatchSet.Id.fromRef performance and avoid double-parsing	2014-08-07 13:30:04 -07:00