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better indicate when special remotes do not support renameExport

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Avoid a warning message when renameExport is not supported, and just
fallback to deleting with a subsequent re-upload. Especially needed for
importtree remotes, where renameExport needs to be disabled.

This changes the external special remote protocol, but in a
backwards-compatible way. A reply of UNSUPPORTED-REQUEST to an older
version of git-annex will cause it to make renameExport return False.
This commit is contained in:
Joey Hess 2019-03-11 12:44:12 -04:00
parent c755788256
commit 2912429640
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11 changed files with 62 additions and 53 deletions
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4
Remote/Rsync.hs
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@ -293,8 +293,8 @@ removeExportDirectoryM o ed = removeGeneric o (allbelow d : includes d)
Nothing -> []
Just f' -> includes f'
renameExportM :: RsyncOpts -> Key -> ExportLocation -> ExportLocation -> Annex Bool
renameExportM _ _ _ _ = return False
renameExportM :: RsyncOpts -> Key -> ExportLocation -> ExportLocation -> Annex (Maybe Bool)
renameExportM _ _ _ _ = return Nothing
{- Rsync params to enable resumes of sending files safely,
- ensure that files are only moved into place once complete