[dovecot/core] ce2eb2: imapc: Prefech - Initialize cached stream only if ...

[GitHub]

  Branch: refs/heads/master-2.2
  Home:   https://github.com/dovecot/core
  Commit: ce2eb23d2d0156655a856d5588d4b302d027804d
      https://github.com/dovecot/core/commit/ce2eb23d2d0156655a856d5588d4b302d027804d
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2017-07-04 (Tue, 04 Jul 2017)

  Changed paths:
    M src/lib-storage/index/imapc/imapc-mail-fetch.c
    M src/lib-storage/index/imapc/imapc-mail.c
    M src/lib-storage/index/imapc/imapc-mail.h

  Log Message:
  -----------
  imapc: Prefech - Initialize cached stream only if needed

If the mail is immediately accessed for other purposes (e.g. fetching
message flags), there's no need to go through all the trouble of
initializing the mail stream.