diff options
-rw-r--r-- | README | 2 | ||||
-rwxr-xr-x | interimap | 4 | ||||
-rw-r--r-- | interimap.md | 4 | ||||
-rwxr-xr-x | pullimap | 5 |
4 files changed, 13 insertions, 2 deletions
@@ -1,6 +1,6 @@ InterIMAP is a fast bidirectional synchronization program for QRESYNC-capable IMAP4rev1 servers. PullIMAP retrieves messages a remote IMAP mailbox and -deliver them to a SMTP session. Consult the manuals for more information. +deliver them to an SMTP session. Consult the manuals for more information. https://guilhem.org/man/interimap.1.html https://guilhem.org/man/pullimap.1.html @@ -162,6 +162,10 @@ $DBH->do('PRAGMA foreign_keys = ON'); # also, lUID < local.UIDNEXT and rUID < remote.UIDNEXT (except for interrupted syncs) # mapping.idx must be found among local.idx (and remote.idx) ], + + # We have no version number in the schema, but if we ever need a + # migration, we'll add a new table, and assume version 1.0 if + # the table is missing. ); # Invariants: diff --git a/interimap.md b/interimap.md index ca83dba..1831d39 100644 --- a/interimap.md +++ b/interimap.md @@ -398,7 +398,9 @@ Known bugs and limitations * Using `interimap` on two identical servers with a non-existent or empty *database* will duplicate each message due to the absence of - local ↔ remote UID association. + local ↔ remote UID association. Hence one needs to manually empty + the mail store on one end when migrating to `interimap` from another + synchronisation solution. * `interimap` is single threaded and doesn't use IMAP command pipelining. Synchronization could be boosted up by sending @@ -88,6 +88,11 @@ do { fcntl($STATE, F_SETLK, $struct_flock) or die "Can't lock $statefile: $!"; my $flags = fcntl($STATE, F_GETFD, 0) or die "fcntl F_GETFD: $!"; fcntl($STATE, F_SETFD, $flags | FD_CLOEXEC) or die "fcntl F_SETFD: $!"; + + # We have no version number in the statefile, but if we ever need a + # migration, we'll add a 1-byte header for the version number, and + # assume version 1.0 if the size of the file is a multiple of 4 + # bytes. (We can also use the fact that bytes 5 to 8 are never all 0.) }; |