cache remotes via annex-speculate-present
Added remote.name.annex-speculate-present config that can be used to make cache remotes. Implemented it in Remote.keyPossibilities, which is used by the get/move/copy/mirror commands, and nothing else. This way, things like whereis will not show content that's speculatively present. The assistant and sync --content were not using Remote.keyPossibilities, and were changed to use it. The efficiency hit should be small; Remote.keyPossibilities is only used before transferring a file, which is the expensive operation. And, it's only doing one lookup of the remoteList and a very cheap filter over it. Note that, git-annex still updates the location log when copying content to a remote with annex-speculate-present set. In this case, the location tracking will indicate that content is present in the remote. This may not be wanted for caches, or may not be a real problem for them. TBD. This commit was supported by the NSF-funded DataLad project.
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7 changed files with 114 additions and 4 deletions
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@ -226,6 +226,7 @@ data RemoteGitConfig = RemoteGitConfig
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, remoteAnnexStartCommand :: Maybe String
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, remoteAnnexStopCommand :: Maybe String
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, remoteAnnexAvailability :: Maybe Availability
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, remoteAnnexSpeculatePresent :: Bool
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, remoteAnnexBare :: Maybe Bool
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, remoteAnnexRetry :: Maybe Integer
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, remoteAnnexRetryDelay :: Maybe Seconds
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@ -281,6 +282,7 @@ extractRemoteGitConfig r remotename = do
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, remoteAnnexStartCommand = notempty $ getmaybe "start-command"
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, remoteAnnexStopCommand = notempty $ getmaybe "stop-command"
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, remoteAnnexAvailability = getmayberead "availability"
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, remoteAnnexSpeculatePresent = getbool "speculate-present" False
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, remoteAnnexBare = getmaybebool "bare"
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, remoteAnnexRetry = getmayberead "retry"
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, remoteAnnexRetryDelay = Seconds
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