What started off as a trivial, "something-to-do-before-bedtime"
change several days ago (15/15) ended up forcing me to fix
various hard-to-reproduce race conditions around Maildirs.

Eventually, `schedtool -a 0x1 -e ...' helped me reproduce
some races more easily (but still not with 100% reliability).

t/lei-{watch,auto-watch,export-kw}.t should all be more
reliable, now.

There's also several other minor fixes I found along the way...

Eric Wong (15):
  t/lei-{auto-watch,export-kw}: extra diagnostics on failure
  t/lei-import-maildir: rename fix (SR -> RS)
  t/lei-p2q: extra diagnostics
  lei/store: check for any unexpected process death
  lei note-event: drop unnecessary eval guard
  lei note-event: wq_io_do => wq_do
  lei_search: try harder to associate "lei index"-ed messages
  watch: check for {quit} before IDLE
  watch: remove redundant signal mask manipulation
  doc: lei-overview: add CAVEATS section
  lei note-event: clear_src on ENOENT
  dir_idle: treat IN_MOVED_FROM as a gone event
  lei: no Perl FileHandle for `undef' w/ ECONNRESET
  lei_mail_sync: mv_src: use transaction, check UNIQUE
  lei: use RENAME_NOREPLACE on Linux 3.15+

 Documentation/lei-overview.pod  |  5 ++++
 MANIFEST                        |  1 +
 devel/syscall-list              |  8 +++++-
 lib/PublicInbox/DirIdle.pm      |  3 +-
 lib/PublicInbox/FakeInotify.pm  |  3 ++
 lib/PublicInbox/LEI.pm          |  3 +-
 lib/PublicInbox/LeiExportKw.pm  | 19 ++++---------
 lib/PublicInbox/LeiMailSync.pm  |  8 ++++--
 lib/PublicInbox/LeiNoteEvent.pm | 13 +++++----
 lib/PublicInbox/LeiSearch.pm    | 13 ++++++++-
 lib/PublicInbox/LeiStore.pm     | 16 +++++++----
 lib/PublicInbox/LeiToMail.pm    |  7 ++---
 lib/PublicInbox/Syscall.pm      | 49 +++++++++++++++++++++++++++++++--
 lib/PublicInbox/Watch.pm        | 13 +++------
 t/lei-auto-watch.t              |  3 +-
 t/lei-export-kw.t               | 39 ++++++++++++++++++--------
 t/lei-import-maildir.t          |  2 +-
 t/lei-p2q.t                     |  2 +-
 t/rename_noreplace.t            | 26 +++++++++++++++++
 19 files changed, 173 insertions(+), 60 deletions(-)
 create mode 100644 t/rename_noreplace.t
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