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* update to go-billy.v4 and go-git-fixtures.v3Máximo Cuadros2017-11-239-13/+11
| | | | Signed-off-by: Máximo Cuadros <mcuadros@gmail.com>
* format: packfile fix DecodeObjectAt when Decoder has typeMáximo Cuadros2017-11-192-4/+29
| | | | Signed-off-by: Máximo Cuadros <mcuadros@gmail.com>
* Merge pull request #631 from keybase/strib/use-bytes-pool-for-diffsMáximo Cuadros2017-10-311-4/+13
|\ | | | | packfile: use buffer pool for diffs
| * packfile: use buffer pool for diffsJeremy Stribling2017-10-301-4/+13
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* | packfile: delete index maps from memory when no longer neededJeremy Stribling2017-10-301-0/+6
|/ | | | This helps keep memory usage stable while calculating deltas.
* config: support a configurable, and turn-off-able, pack.windowJeremy Stribling2017-09-115-37/+89
| | | | | | | | | | | | | | | | | | | | One use of go-git is to transfer git data from a non-standard git repo (not stored in a file system, for example) to a "remote" backed by a standard, local .git repo. In this scenario, delta compression is not needed to reduce transfer time over the "network", because there is no network. The underlying storage layer has already taken care of the data tranfer, and sending the objects to local .git storage doesn't require compression. So this PR gives the user the option to turn off compression when it isn't needed. Of course, this results in a larger, uncompressed local .git repo, but the user can then run git gc or git repack on that repo if they care about the storage costs. Turning the pack window to 0 on reduces total push time of a 36K repo by 50 seconds (out of a pre-PR total of 3m26s).
* plumbing/index: fix TestEncode in go 1.9Máximo Cuadros2017-09-071-1/+2
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* packfile: small optimizations for findMatch and matchLengthMiguel Molina2017-09-072-16/+38
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* packfile: parallelize deltification of objects in groupsMiguel Molina2017-09-072-21/+31
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* packfile: use a modified version of JGit DeltaIndex and DeltaIndexScannerMiguel Molina2017-09-063-40/+286
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* packfile: slightly haster hash function for chunk-offset index keyMiguel Molina2017-09-062-11/+32
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* packfile: reuse delta indexes when possibleMiguel Molina2017-09-063-10/+22
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* packfile: improve performance a little by reducing gc pressureMiguel Molina2017-09-044-6/+33
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* plumbing: use sliding window in delta calculations, like git CLJeremy Stribling2017-08-282-1/+23
| | | | | | | | | | This sets a default sliding window of 10 for the delta calculation, just like git CL: https://git-scm.com/docs/git-pack-objects#git-pack-objects---windowltngt For a big-ish repo with 35K objects (17K commits), this reduced the time for calling `deltaSelection.walk` during a push from more than 14 minutes to about a minute.
* *: windows support, some more fixes (2) (#536)Manuel Carmona2017-08-071-0/+7
| | | | | | | | | | | | | | * fixed windows failed test: "143 FAIL: worktree_test.go:314: WorktreeSuite.TestFilenameNormalization" * fixed windows failed test: "489: FAIL: auth_method_test.go:106: SuiteCommon.TestNewSSHAgentAuthNoAgent" * fixed windows failed test: "279 FAIL: server_test.go:50: ServerSuite.TestClone" fixed windows failed test: "298 FAIL: server_test.go:37: ServerSuite.TestPush" * fixed windows failed test: "316 FAIL: <autogenerated>:26: UploadPackSuite.TearDownSuite" * fixed windows failed test: "FAIL: <autogenerated>:6: IndexSuite.TearDownSuite"
* Merge pull request #501 from smola/config-multiple-urlsMáximo Cuadros2017-08-025-13/+103
|\ | | | | config: multiple values in RemoteConfig (URLs and Fetch)
| * config: preserve option order on config marshallingSantiago M. Mola2017-08-015-12/+71
| | | | | | | | | | Do not change order of options (e.g. in RemoteConfig) when serializing for any option whose value has not changed.
| * format/config: add GoStringSantiago M. Mola2017-08-012-1/+32
| | | | | | | | This is more convenient for testing and debugging.
* | plumbing: add IsDelta method to ObjectTypeSantiago M. Mola2017-07-271-6/+2
| | | | | | | | | | ObjectType.IsDelta is a convenience function to match both offset and reference delta types.
* | storage: reuse deltas from packfilesSantiago M. Mola2017-07-275-98/+293
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * plumbing: add DeltaObject interface for EncodedObjects that are deltas and hold additional information about them, such as the hash of the base object. * plumbing/storer: add DeltaObjectStorer interface for object storers that can return DeltaObject. Note that calls to EncodedObject will never return instances of DeltaObject. That requires explicit calls to DeltaObject. * storage/filesystem: implement DeltaObjectStorer interface. * plumbing/packfile: packfile encoder now supports reusing deltas that are already computed (e.g. from an existing packfile) if the storage implements DeltaObjectStorer. Reusing deltas boosts performance of packfile generation (e.g. on push).
* | test: improve packfile.Encoder testsSantiago M. Mola2017-07-271-54/+68
|/ | | | | | | * Improve checks for encode/decode. * Make it easier to extend this test with more storage backends.
* storage/filesystem: reuse delta cacheSantiago M. Mola2017-07-271-10/+22
| | | | | Reuse delta base object cache for packfile decoders across multiple instances.
* plumbing/cache: use more explicit interfaceSantiago M. Mola2017-07-271-7/+6
| | | | | | * renamed Add to Put * Get returns a second bool value to indicate if there was hit or miss.
* format: idxfile, support for >2Gb packfilesMáximo Cuadros2017-07-274-1/+106
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* packfile: create packfile.Index and reuse itSantiago M. Mola2017-07-269-93/+292
| | | | | | | | | | | | | | | There was an internal type (i.e. storage/filesystem.idx) to use as in-memory index for packfiles. This was not convenient to reuse in the packfile. This commit creates a new representation (format/packfile.Index) that can be converted to and from idxfile.Idxfile. A packfile.Index now contains the functionality that was scattered on storage/filesystem.idx and packfile.Decoder's internals. storage/filesystem now reuses packfile.Index instances and this also results in higher cache hit ratios when resolving deltas.
* Merge pull request #491 from smola/error-checksMáximo Cuadros2017-07-192-21/+22
|\ | | | | *: add more IO error checks
| * packfile: check close error in UpdateObjectStorageSantiago M. Mola2017-07-191-8/+14
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| * packfile: check zlib reader closing errorSantiago M. Mola2017-07-191-13/+8
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* | Merge pull request #493 from src-d/windowsMáximo Cuadros2017-07-191-1/+7
|\ \ | | | | | | *: several windows support fixes
| * | plumbing: format config, escape back slashMáximo Cuadros2017-07-192-4/+2
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| * | worktree: commit, use path package instead of filepathMáximo Cuadros2017-07-192-2/+10
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* / packfile: Avoid panics patching corrupted deltasAntonio Jesus Navarro Perez2017-07-192-16/+85
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* Use buffered IO for decoding index files.JP Sugarbroad2017-07-101-2/+3
| | | | This reduces syscall CPU time from >40% to <10% in my local repository.
* plumbing: gitignore, upgrade to go-billy.v3 and test with gocheckMáximo Cuadros2017-06-194-218/+199
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* Merge pull request #429 from silvertern/gitignoreMáximo Cuadros2017-06-197-0/+676
|\ | | | | Adds .gitignore support
| * Adds gitignore supportOleg Sklyar2017-06-197-0/+676
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* | *: upgrade to go-billy.v3, mergeMáximo Cuadros2017-06-181-1/+1
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* | fix gofmtSantiago M. Mola2017-06-132-2/+4
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* packfile: A copy operation cannot be bigger than 64kbAntonio Jesus Navarro Perez2017-06-012-1/+35
| | | | More info here: https://github.com/git/git/blob/f7466e94375b3be27f229c78873f0acf8301c0a5/diff-delta.c#L428
* format/packfile: improve binary delta algorithmAntonio Jesus Navarro Perez2017-05-242-441/+94
| | | | Implemented algorithm described in "File System Support for Delta Compression" paper, from "Joshua P. MacDonald".
* format/diff: unified diff encoder and public APIAntonio Jesus Navarro Perez2017-05-233-0/+1242
| | | | | | | | | - Added Patch interface - Added a Unified Diff encoder from Patches - Added Change method to generate Patches - Added Changes method to generate Patches - Added Tree method to generate Patches - Added Commit method to generate Patches
* worktree: Remove and Move methodsMáximo Cuadros2017-05-212-0/+29
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* format/packfile: fix bug when the delta depth is equals to 50Antonio Jesus Navarro Perez2017-05-082-0/+10
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* plumbing: index, Entries converted in a slice of pointersMáximo Cuadros2017-04-265-11/+11
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* format/packfile: rename Seek to SeekFromStartSantiago M. Mola2017-04-263-6/+8
| | | | | | This has signature and behavior distinct from io.Seeker, go vet complains about this, so we change it to a different name to avoid confusion.
* fix format string issues as found by go vetSantiago M. Mola2017-04-261-1/+1
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* format: index, Index.Entry methodMáximo Cuadros2017-04-132-5/+39
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* worktree, reset implementation and status improvementsMáximo Cuadros2017-04-121-12/+15
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* plumbing: format, index stringerMáximo Cuadros2017-04-111-0/+23
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* use go-billy.v2 versionAntonio Jesus Navarro Perez2017-03-101-1/+1
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