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Item 174, and half of item 125.
The premise was corrected before any code. The note asks for an external
`notmuch new` to clear the pending count; it must not. That count means
tag mutations not yet known to have reached the MAIL STORE, which is the
server: an edit is in notmuch the moment it is made, and what is
outstanding is mbsync pushing the renamed Maildir files. `notmuch new`
re-indexes local files and pushes nothing, so clearing on it would tell
the user their work was safe to quit on while it was still local. The
entry's own proposal to watch notmuch_database_get_revision() was
rejected for the same reason: a revision moves when mail ARRIVES too, and
in neither case does it say anything about the server.
What was actually wrong was the reporting channel. The application
inferred a finished run from an inode in /proc/locks and from grepping
the log for its RUN END banner, which made a human-readable line into
wire format and could not say WHICH channels a run carried. The local
sync path has always narrowed its clear to the accounts it carried; the
external path could not, and cleared everything, so an edit to an
account a run never touched was reported as delivered.
So the script reports instead of leaving evidence to be inferred. It
writes ~/.local/state/qtmaildir/syncstatus.json atomically at the end of
every run, including a skip, naming the channels, both exit statuses and
a state of ok, failed or skipped. MailSync::readStatus() reads it,
MainWindow prefers it over the log banner and narrows the clear through
Account::syncChannel(). A skipped run clears nothing, which is item 125's
first half: the application can now see that a run happened and carried
nothing. The log banner and lastRunOutcome() stay as the fallback for a
missing file, which is what a first run after upgrading looks like.
This is the user's own framing of the scope: the script was written for
another system and adapted, and is now qtmaildir's only consumer, so it
serves the application rather than the reverse. Two facts made it safe to
act on: their crontab runs mailsync.sh and nothing else touches mail, and
~/bin/mailsync.sh is a symlink into this repo, so an edit is live on the
next tick.
Two bugs found while wiring it in, both recorded in the closed item.
A test read the developer's real sync state, twice: a [sync] section
naming only `log` leaves syncStatus() defaulting to the real file, so two
tests asserting that a FAILED run leaves the count alone read the last
real cron run, found ok, and cleared. Pinning only `status` has the
mirror problem. noSyncTestReadsTheRealSyncState() is the guard, modelled
on noTestCanSeeTheRealLockTable().
And Qt::ISODate carries no milliseconds. The status file is preferred
only when it describes THIS run, compared against when the lock appeared,
so a stale success cannot outrank a fresh failure; but the script writes
date -Iseconds, and a round trip of "now" comes back 329 ms behind,
measured. A fast sync's own file therefore parsed as stale and fell back
to the log, with nothing failing to say so. One second of slack matches
the precision the format carries.
Design: docs/superpowers/specs/2026-08-29-sync-status-file-design.md
Suite: 43 of 44, with undoMovesTheMessageBack failing as it does on
master (item 136).
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Item 54. A sync fired by the user's cron carries tag edits to the mail
store exactly as a local one does, but only onSyncFinished() cleared the
pending state, so the indicator kept reporting work that had already
shipped and the exit prompt asked to sync for it. Verified against a
real cron run: 31 changes, cleared with no manual sync.
The window cannot see an external run's exit status, and /proc/locks
carries no outcome. It does not need to: mailsync.sh already ends every
run with a "RUN END ... status=OK" banner in its log, which outlives the
process that wrote it. MailSync::lastRunOutcome() reads a bounded tail
of that file and takes the last completed marker, so no change to the
script and no optimistic guessing were needed.
Only a definite OK clears anything. A failed run, a missing or
unreadable log, and a State::Unknown lock reading all leave the count
alone: over-reporting costs a redundant sync, under-reporting costs the
user their edits.
m_editedAccounts is drained in the same place, before flushHeldEdits()
and matching the local path's ordering. Item 49 uses it to choose which
mbsync channels a run syncs, and a count that reached zero while the set
stayed full would look correct and still sync the wrong channels.
The log path comes from a new optional [sync] log key, defaulting to
where the script writes, so a test never reads the developer's own log.
Two notes on the verification, both recorded in the backlog:
- A timing probe endorsed a tail read that was not happening. The
first version of the huge-log test required the call under 100 ms
and passed with the seek deleted, because reading 10 MB is fast
either way. Replaced with an assertion on content.
- Every fixture was invented and the first batch had the wrong
timestamp format, since the script uses date -Iseconds. The tests
passed anyway, because the parser keys on the prefix and the status
token. One test now builds the banner the way the script does.
The before-flushHeldEdits ordering has no test: without a held lock the
flush is a no-op, so both orderings pass.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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A sync ran mbsync -a regardless of what changed, so tagging mail in one
account fetched all of them. The account set was not a parameter anywhere
on the path: MailSync::start() took no arguments and the script hardcoded
-a, so nothing between a tag edit and mbsync carried which account changed.
Track which accounts have edits and pass their mbsync channels through to
the script, which now takes channel names and falls back to -a when given
none. An empty set means all accounts, per the request: a sync with nothing
pending is a fetch, and narrowing that to wherever the last edit landed
would quietly stop collecting mail everywhere else.
The channel is a new optional per-account key rather than the section key.
The two names genuinely diverge, because a QSettings section key may carry
dots that the channel does not, and mbsync treats an unknown channel as
fatal rather than skipping it, so key-as-channel would fail those accounts'
syncs outright rather than degrade. It defaults to the key, so accounts
whose two names already agree need no config change.
The edited-account set is deliberately not netted the way the pending-edit
map is: that map tracks the index, where a tag removed and re-added leaves
nothing outstanding, while this tracks the mail store, where both writes
have already renamed files that mbsync still has to propagate. It is also
snapshotted before flushHeldEdits(), which inserts into it synchronously
rather than on a queued reply, so a successful sync cannot clear accounts
whose edits it never carried.
Closes item 49.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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"Syncing..." was set once and never updated, so a run that takes over a
minute reported nothing about what it was doing.
The original diagnosis in the backlog was half wrong, and two further
wrong ones were made and discarded before the real cause: plain
"mbsync -a" prints NOTHING until it exits, then a single summary line.
Measured on a real run, one line at 11:11:08 then 73 within the second
11:11:33, at the end of a 46-second run. So there was no stream to read
for the part of a sync that takes time. It is not buffering, so stdbuf
changes nothing, and the account name is not unavailable either, which
was the second wrong conclusion.
mbsync -V is what changes both: it announces each channel as it reaches
it, which is at once the progress and the account name originally
asked for. The shipped script now passes it.
SyncPhaseTracker derives a short status from the output as it streams:
the channel being synced, the summary counts when mbsync ends, then the
notmuch reindex. It lives beside MailSync rather than in the window so
the matching rules are one testable thing, and it holds no widget.
Matching is loose and case-insensitive, since the wording varies by
version, and nothing in it decides success or failure: the exit status
remains the only authority on that.
Lines are reassembled in MainWindow before being fed, because
QProcess::readAll() splits wherever it happens to and a half-line would
match nothing. Every status is sanitised and truncated: the channel
name comes from a config file this app does not own, and a long one
must not stretch the status bar.
Two defects in existing code, fixed with it. setSyncBusy(true) ran
after start(), so a fast run's output arrived before the per-run reset
and wiped its own phase. And a first draft deferred phases while a
transient message showed, which let a "Background sync completed"
message armed before the sync began suppress the whole run: a running
sync's state outranks an expiring event message.
Verified by replaying real captured mbsync -V output through the
tracker, not only against fixtures. The MainWindow test paces its
script with sleeps, since a script that prints everything at once
arrives in one readyRead and makes every intermediate phase
unobservable.
Closes item 42.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Confirmed with the maintainer as v2-only rather than v2-or-later. LICENSE is
the official text from gnu.org. Every file under src/ and tests/ carries the
matching notice.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Runs the configured sync script through QProcess, merging stdout and
stderr into one log so a failing mbsync run has something to show. The
script is never run through a shell: the command is a config value, and
splitCommand keeps its arguments literal.
Two fixes against the drafted version:
- start() no longer calls waitForStarted(). It blocked the UI thread for
up to five seconds, which contradicts the spec's requirement that the UI
stay usable during sync, and it swallowed launch failures into a bare
false return. A missing script now surfaces asynchronously through
errorOccurred as finished(false, -1) with an explanatory log line, so
the spinner cannot hang with nothing to explain it.
- Removed a double-emit guard I had added on the assumption that QProcess
follows errorOccurred(FailedToStart) with finished(). Verified it does
not: FailedToStart is emitted instead of finished, never before it. The
guard was dead state and the comment justifying it was wrong.
Also corrects the sync interval throughout: the user's cron runs every 10
minutes, not hourly. The shorter interval strengthens the flock rationale
rather than weakening it, since collisions with a manual sync are that
much more likely.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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