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authorGravatar Joey Hess <joey@kitenet.net>2014-01-20 17:34:58 -0400
committerGravatar Joey Hess <joey@kitenet.net>2014-01-20 17:35:29 -0400
commit049bea4659e108967977852b5ca0cc00b74a8831 (patch)
tree87b5cb9f48f4692eee93ce2565589441509857c8 /Annex.hs
parentbe851d42f4a78fc05494e1204c5914a19b305893 (diff)
Add and use numcopiesneeded preferred content expression.
* Add numcopiesneeded preferred content expression. * Client, transfer, incremental backup, and archive repositories now want to get content that does not yet have enough copies. This means the asssistant will make copies of files that don't yet meet the configured numcopies, even to places that would not normally want the file. For example, if numcopies is 4, and there are 2 client repos and 2 transfer repos, and 2 removable backup drives, the file will be sent to both transfer repos in order to make 4 copies. Once a removable drive get a copy of the file, it will be dropped from one transfer repo or the other (but not both). Another example, numcopies is 3 and there is a client that has a backup removable drive and two small archive repos. Normally once one of the small archives has a file, it will not be put into the other one. But, to satisfy numcopies, the assistant will duplicate it into the other small archive too, if the backup repo is not available to receive the file. I notice that these examples are fairly unlikely setups .. the old behavior was not too bad, but it's nice to finally have it really correct. .. Almost. I have skipped checking the annex.numcopies .gitattributes out of fear it will be too slow. This commit was sponsored by Florian Schlegel.
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