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429 Commits

Author SHA1 Message Date
Michael Eischer b7ff8ea9cd repository: expose cache via method 2025-01-13 22:40:18 +01:00
Michael Eischer 99e105eeb6 repository: restrict SaveUnpacked and RemoveUnpacked 
Those methods now only allow modifying snapshots. Internal data types
used by the repository are now read-only. The repository-internal code
can bypass the restrictions by wrapping the repository in an
`internalRepository` type.

The restriction itself is implemented by using a new datatype
WriteableFileType in the SaveUnpacked and RemoveUnpacked methods. This
statically ensures that code cannot bypass the access restrictions.

The test changes are somewhat noisy as some of them modify repository
internals and therefore require some way to bypass the access
restrictions. This works by capturing an `internalRepository` or
`Backend` when creating the Repository using a test helper function.
 2025-01-13 22:39:57 +01:00
knbr13 bbb492ee65 remove duplicate imports 2025-01-05 13:53:20 +02:00
greatroar b5c28a7ba2 internal/restic: Use IDSet.Clone + use maps package 
One place where IDSet.Clone is useful was reinventing it, using a
conversion to list, a sort, and a conversion back to map.

Also, use the stdlib "maps" package to implement as much of IDSet as
possible. This requires changing one caller, which assumed that cloning
nil would return a non-nil IDSet.
 2024-10-03 21:14:29 +02:00
Michael Eischer 80ed863aab repository: remove redundant cleanup code 
The temp files used by the packer manager are either delete after
creation (unix) or marked as delete on close (windows). Thus, no
explicit cleanup is necessary.
 2024-08-31 17:37:25 +02:00
Michael Eischer 6024597028 drop support for s3legacy layout 2024-08-31 17:25:24 +02:00
Michael Eischer 943b6ccfba index: remove support for legacy index format 2024-08-31 17:12:43 +02:00
Srigovind Nayak 88174cd0a4
cache: remove redundant index file cleanup 
addressing code review comments
 2024-08-17 00:21:49 +05:30
Srigovind Nayak b7d014b685
Revert "repository: removed redundant prepareCache method from Repository" 
This reverts commit 720609f8ba.
 2024-08-17 00:18:13 +05:30
Srigovind Nayak 720609f8ba
repository: removed redundant prepareCache method from Repository 
* remove the prepareCache method from the Repository
* changed the signature of the SetIndex function to no longer return an error
 2024-08-11 23:41:07 +05:30
Michael Eischer 400ae55940 replace deprecated usages of math/rand 2024-08-10 19:34:49 +02:00
Michael Eischer 0b19f6cf5a Switch back to sha256 from the std library 
The std library now also supports the sha assembly instructions on
ARM64. Thus, sha256-simd no longer provides a performance benefit.
 2024-08-10 19:16:10 +02:00
Michael Eischer d2f7c5a9c6
Merge pull request #4978 from konidev20/fix-gh-4949-repair-index-spurious-index 
rewrite: skip saving empty indexes during MasterIndex.Rewrite
 2024-08-03 18:53:57 +00:00
Srigovind Nayak 068d5b95c3
rewrite: skip saving empty indexes during MasterIndex.Rewrite 2024-08-03 23:34:59 +05:30
Michael Eischer ae1cb889dd Add more checks for canceled contexts 2024-07-31 19:30:47 +02:00
Viktor Szépe ac00229386 Fix typos 2024-07-03 20:02:06 +02:00
Michael Eischer b80aa7b1cc repository: prevent initialization if a snapshot exists 2024-06-14 20:37:01 +02:00
Michael Eischer bab760369f repository: double check that there is not repository before init 
Apparently, calling `Stat` on the config file can be unreliable for some
backends.
 2024-06-09 00:05:32 +02:00
Michael Eischer 496e57f956 hashing: move to repository package 2024-05-25 13:13:03 +02:00
Michael Eischer 5e0ea8fcfa pack: move to repository package 2024-05-25 13:13:03 +02:00
Michael Eischer 50ec408302 index: move to repository package 2024-05-25 13:13:03 +02:00
Michael Eischer 8e5d7d719c cache: move to backend package 2024-05-24 23:04:06 +02:00
Michael Eischer 3c7b7efdc9 repository: remove prune plan parts once they are no longer necessary 2024-05-24 22:18:14 +02:00
Michael Eischer 462b82a060 index: reduce size of compressed indexes 
use the same index size for compressed and uncompressed indexes.
Otherwise, decoding the index of a compressed repository requires
significantly more memory.
 2024-05-24 22:18:14 +02:00
Michael Eischer 77873f5a9d repository: let prune control data structure of usedBlobs set 2024-05-24 22:18:14 +02:00
Michael Eischer 2033c02b09 index: replace CountedBlobSet with AssociatedSet 2024-05-24 22:18:14 +02:00
Michael Eischer 93098e9265 prune: hide implementation details of counted blob set 2024-05-24 21:42:56 +02:00
Michael Eischer 027cc64737 repository: fix prune heuristic to allow resuming interrupted runs 
Pack files created by interrupted prune runs, appear to consist only of
duplicate blobs on the next run. This caused the previous heuristic to
ignore those pack files. Now, a duplicate blob in a specific pack file
is also selected if that pack file only contains duplicate blobs. This
allows prune to select the already rewritten pack files.
 2024-05-24 21:33:17 +02:00
Michael Eischer 57d69aa640 index: cleanup SaveIndex method 2024-05-24 21:33:17 +02:00
Michael Eischer 5f7b48e65f index: replace Save() method with Rewrite and SaveFallback 
Rewrite implements a streaming rewrite of the index that excludes the
given packs. For this it loads all index files from the repository and
only modifies those that require changes. This will reduce the index
churn when running prune. Rewrite does not require the in-memory index
and thus can drop it to significantly reduce the memory usage.

However, `prune --unsafe-recovery` cannot use this strategy and requires
a separate method to save the whole in-memory index. This is now handled
using SaveFallback.
 2024-05-24 21:33:17 +02:00
Michael Eischer 68fa0e0305 prune: no longer disable automatic index updates 
this allows prune to resume an interrupted prune run.
 2024-05-24 21:33:17 +02:00
Michael Eischer 76e6719f2e repository: make CreateIndexFromPacks method private 2024-05-24 21:33:17 +02:00
Michael Eischer 04ad9f0c0c repository: remove Packer and SavePacker from public interface 2024-05-24 21:33:17 +02:00
Michael Eischer 550d1eeac3 repository: remove SaveIndex from interface 
The method is now only indirectly accessible via Prune or RepairIndex.
 2024-05-24 21:33:17 +02:00
Michael Eischer 447b486c20 index: deduplicate index loading of check and repository 2024-05-24 21:33:17 +02:00
Michael Eischer 864995271e repository: unwrap BlobHandle parameters of LookupBlob 
The method now uses the same parameters as LookupBlobSize.
 2024-05-24 21:33:17 +02:00
Michael Eischer 1266a4932f repository: fix parameter order of LookupBlobSize 
All methods should use blobType followed by ID.
 2024-05-24 21:33:17 +02:00
Michael Eischer 0bb0720348 test cleanups 2024-05-24 21:33:17 +02:00
Michael Eischer 0aa5c53842 repository: replace HasBlob with LookupBlobSize 2024-05-24 21:33:17 +02:00
Michael Eischer 8f1e70cd9b repository: remove clearIndex and packSize from public interface 2024-05-24 21:33:17 +02:00
Michael Eischer 4df887406f repository: inline MasterIndex interface into Repository interface 2024-05-24 21:33:17 +02:00
Michael Eischer b1266867d2 repository: wait max 1 minutes for lock removal if context is canceled 
The toplevel context in restic only canceled if the user interrupts a
restic operation. If the network connection has failed this can require
waiting the full retry duration of 15 minutes which is a bad user
experience for interactive usage. Thus limit the delay to one minute in
this case.
 2024-05-24 20:24:02 +02:00
Michael Eischer 223aa22cb0 replace some uses of restic.Repository with finegrained interfaces 2024-05-18 21:42:51 +02:00
Michael Eischer 291c9677de restic/repository: remove Backend() method 2024-05-18 21:42:51 +02:00
Michael Eischer 673496b091 repository: clean cache between CheckPack retries 
The cache cleanup pattern is also used in ListPack etc.
 2024-05-18 21:42:51 +02:00
Michael Eischer d2c26e33f3 repository: remove further usages of repo.Backend() 2024-05-18 21:42:51 +02:00
Michael Eischer 8a425c2f0a remove usages of repo.Backend() from tests 2024-05-18 21:42:51 +02:00
Michael Eischer aa4647f773 repository: unexport PackBlobIterator 2024-05-18 21:42:51 +02:00
Michael Eischer 94e863885c check: move verification of individual pack file to repository 2024-05-18 21:42:50 +02:00
Michael Eischer 67e2ba0d40 repository: Lock requires *repository.Repository 
This allows the Lock function to access the backend, even once the
Backend method is removed from the interface.
 2024-05-18 21:38:31 +02:00