[Monotone-devel] Re: default branch for "monotone sync"

[Lapo Luchini]

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Evan Martin wrote:
> Am I doing something wrong here, or is this expected behavior? (In the
> latter case, is it desirable?)

It is in fact expected (whether it is desirable or not, is debatable).
The "best way to go" depends on your use case:
a. --set-default all the branches you use, and sync everyone of them at
every sync (not desirable if you have different branches accepted only
on different servers)
b. use a different database for each project: each database has his own
defaults regarding server and branches to push/pull/sync

"sync" does not use the "workspace branch" as a default because sync'ing
a single branch is usually NOT what you want to: it is sometimes less
efficient to do so.
Example:
revision 1 is on branch A
revision 2 is on branch B and is a child of revision 1
if you "sync server A" you send revision 1 only if missing
if you "sync server B" you send revision 2 only if missing, and revision
1 IN ANY CASE (the server is filtering on branch B and can't possibly
know in advance that you're sending a branch B revision whose parent is
in a different parent)
OTOH if you "sync server A B" or "sync server *" the server has
"knowledge" of branch A too, and revision 1 is not sent unnecessarily.

PS: this is efficiency, not correctness: after having received it the
remote server knows that revision 1 was already locally known and
ignores it.
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