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16 Commits

Author SHA1 Message Date
Alexander Neumann 5b601f00b1 Add error checking 2015-11-29 14:25:57 +01:00
Alexander Neumann 5776b8f01c remove ConvertIndex 2015-11-08 22:27:13 +01:00
Alexander Neumann 1fc0d78913 Refactor Index.Store() to take a PackedBlob 2015-11-02 19:07:03 +01:00
Alexander Neumann f3f84b1544 Add ID handling for index 2015-11-02 18:52:13 +01:00
Alexander Neumann 89a77ab2f9 Add Index.ListPack() 2015-11-02 18:52:13 +01:00
Alexander Neumann fccde030d5 Refactor Index.Lookup() to return struct PackedBlob 2015-10-31 14:47:42 +01:00
Alexander Neumann d9f9b77d68 Add Index.Packs() and IDSet.Equals() 2015-10-25 15:28:01 +01:00
Alexander Neumann af0d6f58b9 Remove unneeded pointer to pack id 2015-10-25 14:35:08 +01:00
Alexander Neumann 4b2a4b03ec Remove Index.StoreInProgress() 2015-10-12 22:49:31 +02:00
Alexander Neumann 86fcd170f6 Add and use MasterIndex 2015-10-12 22:34:12 +02:00
Alexander Neumann eb73182fcf Rework index decode and handling old format 2015-10-12 20:53:07 +02:00
Alexander Neumann 356bb62243 Add CreateEncryptedBlob and GetDecryptReader 2015-10-12 20:53:07 +02:00
Alexander Neumann 7944e8e323 Update index format 2015-10-12 20:53:07 +02:00
Philipp Serr 7b11660f4f Prevent concurrent processing of same blob 
... by first adding a preliminary index entry and making this fail if
an index entry for the same blob already exists.

A preliminary index entry is characterized by not yet being associated
with a pack. Until now, these entries where added to the index just
like final index entries using index.Store, which silently overwrites
existing index entries.

This commit adds a new method index.StoreInProgress which refuses to
overwrite existing index entries and allows for creating preliminary
index entries only. The existing method index.Store has not been
changed and continues to silently overwrite existing index entries.
This distinction is important, as otherwise, it would be impossible to
update a preliminary index entry after the blob has been written to a
pack.

Resolves: restic#292
 2015-09-27 16:56:49 +02:00
Alexander Neumann 5cdcc99eba Use array instead of hash for backend.ID 
Since backend.ID is always a slice of constant length, use an array
instead of a slice. Mostly, arrays behave as slices, except that an
array cannot be nil, so use `*backend.ID` insteaf of `backend.ID` in
places where the absence of an ID is possible (e.g. for the Subtree of a
Node, which may not present when the node is a file node).

This change allows to directly use backend.ID as the the key for a map,
so that arbitrary data structures (e.g. a Set implemented as a
map[backend.ID]struct{}) can easily be formed.
 2015-07-25 18:01:57 +02:00
Alexander Neumann 232c472836 Move package 'repo' to package 'repository' 2015-05-09 23:52:03 +02:00