WebCal is calcalist's own (src/webcal.rs), with Calendar::split_by_uid to turn
one feed document into one file per UID. Shared crate::http and crate::secret
came out of google/ so every leg uses them.
CalDAV follows, behind a per-endpoint 'native' flag so it can run beside
pimsync one collection at a time: src/caldav/client.rs speaks PROPFIND,
sync-collection, calendar-multiget and conditional PUT/DELETE, and
src/caldav/mod.rs is the pull/push pair. Radicale answers an initial
sync-collection with no members, so a cursor is only stored alongside a
complete read. doctor reports what a server advertises.
skip_past (src/horizon.rs) takes a date, not a flag: a rolling 'before now'
would retire events from the aggregate as they aged, deleting yesterday's
events on every cycle. Pinned to a date, what is mirrored stays mirrored. On
the real configuration it leaves 2600 of 3282 events behind. The filter sits
above the prior-links lookup in mirror_source, which is what makes it safe:
from there DeleteSource is unreachable, so excluding an event can never be
read as the user having deleted its mirror.
pimsync: CWD pinned so vstorage's relative unlink cannot reach the user's
files; the dry-run workspace is removed by Drop rather than by a line every
'?' stepped over.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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