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* Fixed an edge case for .gitignoreFedor Korotkov2018-08-192-0/+9
| | | | | | Fixes #923 Signed-off-by: Fedor Korotkov <fedor.korotkov@gmail.com>
* plumbing/packfile: do not compute sha1 for already undeltified objectsJavi Fontan2018-08-141-7/+9
| | | | Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/pacfile: tidy up objectInfo structJavi Fontan2018-08-141-36/+22
| | | | | | | | * a new hasher is created when needed * delete unused fields * base content is no longer kept in memory Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing: add buffer cache and use it in packfile parserJavi Fontan2018-08-141-14/+10
| | | | | | | It uses less memory and is faster as slices don't have to be converted from/to MemoryObject and they are indexed by offset. Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing: idxfile, Crc32 to CRC32 and return ok from findHashIndexMiguel Molina2018-08-104-23/+23
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* plumbing: packfile, open and close packfile on FSObject readsMiguel Molina2018-08-095-56/+126
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* plumbing: packfile, rename DiskObject to FSObjectMiguel Molina2018-08-092-15/+15
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* plumbing: packfile, read object content only onceMiguel Molina2018-08-092-7/+40
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* plumbing: packfile, add Parse benchmarkMiguel Molina2018-08-091-0/+30
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* plumbing: packfile, allow non-seekable sources on ParserMiguel Molina2018-08-086-179/+229
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* *: use parser to populate non writable storages and bug fixesMiguel Molina2018-08-0711-1158/+491
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* Merge pull request #907 from erizocosmico/feature/fix-testsMiguel Molina2018-08-016-35/+116
|\ | | | | | | | | plumbing: packfile, fix package tests Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
| * plumbing: packfile, fix package testsMiguel Molina2018-07-305-33/+88
|/ | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* plumbing/packfile: add index generation to decoderJavi Fontan2018-07-271-7/+25
| | | | Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/idxfile: test FindHash and writer with 64 bit offsetsJavi Fontan2018-07-272-10/+107
| | | | Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing: packfile, lazy object reads with DiskObjectsMiguel Molina2018-07-275-41/+304
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* plumbing: packfile, new Packfile representationMiguel Molina2018-07-265-154/+418
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* plumbing, storage: integrate new indexJavi Fontan2018-07-262-9/+11
| | | | | | Now dotgit.PackWriter uses the new packfile.Parser and index. Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/idxfile: index is created only once and retrieved with IndexJavi Fontan2018-07-262-35/+70
| | | | | | Index is also automatically generated when OnFooter is called. Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/idxfile: add offset/hash mapping to indexJavi Fontan2018-07-261-0/+51
| | | | | | | This functionality may be moved elsewhere in the future but is needed now to fit filesystem.ObjectStorage and the new index. Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/idxfile: fix bug searching in MemoryIndexJavi Fontan2018-07-261-2/+2
| | | | Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/packfile: preallocate memory in PatchDeltaJavi Fontan2018-07-261-1/+1
| | | | Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/idxfile: support offset64 generating indexesJavi Fontan2018-07-262-5/+65
| | | | Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/idxfile: use Entry to hold object dataJavi Fontan2018-07-261-16/+11
| | | | Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing: idxfile, add idxfile.Writer with Observer interfaceJavi Fontan2018-07-261-0/+132
| | | | | | | | | It's still not complete: * 64 bit offsets * IdxChecksum Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/packfile: disable lookup by offsetJavi Fontan2018-07-261-8/+9
| | | | | | | In one case it disables the cache and the other disables lookup when the scanner is not seekable. Could be added back later. Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/packfile: add new packfile parserJavi Fontan2018-07-262-0/+498
| | | | Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing/format/idxfile: add new Index and MemoryIndexMiguel Molina2018-07-198-339/+483
| | | | Signed-off-by: Miguel Molina <miguel@erizocosmi.co>
* packfile: optimise NewIndexFromIdxFile for a very common caseDavid Symonds2018-06-211-2/+12
| | | | | | | Loading from an on-disk idxfile will usually already have the idxfile entries in order, so check that before wasting time on sorting. Signed-off-by: David Symonds <dsymonds@golang.org>
* plumbing: packfile, Don't push empty objects. Fixes #840kuba--2018-06-072-4/+19
| | | | Signed-off-by: kuba-- <kuba@sourced.tech>
* Merge pull request #846 from dsymonds/compactMáximo Cuadros2018-06-062-23/+67
|\ | | | | packfile: improve Index memory representation to be more compact
| * packfile: improve Index memory representation to be more compactDavid Symonds2018-05-302-23/+67
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of using a map for offset indexing, use a sorted slice. Binary searching is fast, and a slice is much more compact. This has a negligible hit on speed, but has a significant impact on memory usage, especially for larger repos. benchmark old ns/op new ns/op delta BenchmarkIndexConstruction-12 15506506 14056098 -9.35% benchmark old allocs new allocs delta BenchmarkIndexConstruction-12 60764 60385 -0.62% benchmark old bytes new bytes delta BenchmarkIndexConstruction-12 4318145 3913169 -9.38% Signed-off-by: David Symonds <dsymonds@golang.org>
* | idxfile: optimise allocations in readObjectNamesDavid Symonds2018-05-301-4/+4
|/ | | | | | | This makes all the required Entry allocations in one go, instead of huge amounts of small individual allocations. Signed-off-by: David Symonds <dsymonds@golang.org>
* Worktree: Provide ability to add excludes (#825)Alan D. Cabrera2018-05-112-7/+249
| | | Worktree: Provide ability to add excludes
* plumbing: format: pktline, Accept oversized pkt-lines up to 65524 bytesJoseph Vusich2018-04-023-2/+19
| | | | | | | | | | | | | | | | | | | | | | | | | The canonical Git client successfully decodes sideband packets up to 65524 bytes in length (4-byte header + 65520-byte payload). The Git protocol documentation was updated in August 2016 to reduce the maximum payload size to 65516 bytes, however old implementations still exist in the wild emitting 65520-byte payloads. As there is no technical difficulty with accepting (not emitting) larger payload sizes, this change adjusts the limit check to allow successful decoding of packets up to 65524 bytes. This change increases compatibility with the current canonical Git implementation. Doc changes from August 2016: https://github.com/git/git/commit/7841c4801ce51f1f62d376d164372e8677c6bc94#diff-52695c8fe91b78b70cea44562ae28297L67 Current packet buffer size is still LARGE_PACKET_MAX (+1 null): https://github.com/git/git/blob/468165c1d8a442994a825f3684528361727cd8c0/sideband.c#L24 https://github.com/git/git/blob/468165c1d8a442994a825f3684528361727cd8c0/sideband.c#L36 LARGE_PACKET_MAX definition: https://github.com/git/git/blob/468165c1d8a442994a825f3684528361727cd8c0/pkt-line.h#L100 Signed-off-by: Joseph Vusich <jvusich@amazon.com>
* *: Use CheckClose with named returnsJavi Fontan2018-03-272-4/+4
| | | | | | | | Previously some close errors were losts. This is specially problematic in go-git as lots of work is done here like generating indexes and moving packfiles. Signed-off-by: Javi Fontan <jfontan@gmail.com>
* *: skip time consuming testsMáximo Cuadros2018-03-211-0/+9
| | | | Signed-off-by: Máximo Cuadros <mcuadros@gmail.com>
* Merge pull request #739 from mcuadros/addMáximo Cuadros2018-02-283-0/+255
|\ | | | | new methods Worktree.[AddGlob|RemoveBlob] and recursive Worktree.[Add|Remove]
| * plumbing: format index, Index.Add and Index.Glob methodsMáximo Cuadros2018-02-263-0/+255
| | | | | | | | Signed-off-by: Máximo Cuadros <mcuadros@gmail.com>
* | add test for crashing diffMechiel Lukkien2018-02-161-0/+37
| | | | | | | | | | | | | | this reuses an existing patch, setting context to 6 triggers the bug, becuase of a 5-line trailing equals chunk. Signed-off-by: Mechiel Lukkien <mechiel@ueber.net>
* | fix crash when generating a unified diff with a small ending equal-chunkMechiel Lukkien2018-02-141-2/+6
| | | | | | | | Signed-off-by: Mechiel Lukkien <mechiel@ueber.net>
* | plumbing: format/packfile, add SaveOriginalMetadata functionJavi Fontan2018-02-092-5/+9
| | | | | | | | Signed-off-by: Javi Fontan <jfontan@gmail.com>
* | plumbing: format/packfile, fix panic retrieving object hash.Javi Fontan2018-02-093-4/+10
|/ | | | | | | | | | | | | | | | In some cases the original data is not saved before it is cleaned and forces a panic when it's needed. The change adds ObjectToPack.CleanOriginal to be used to clean original object instead of: object.Original = nil Now when the Original data is freed because it's no longer in the pack window a SetOriginal call is done to make sure that Size, Hash and Size data is not lost. Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing: format/packfile, check nil objects in ObjectToPackJavi Fontan2018-01-252-8/+12
| | | | | | | SetOriginal now skips setting resolved values if the provided object is nil. BackToOriginal also skips nil Original objects. Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing: format/packfile, fix crash with cycle deltasJavi Fontan2018-01-244-1/+51
| | | | | | | | | | | | Resolving cycles relied on ObjectToPack objects having Original. This is no longer true with the changes from #720. This commit changes: * Save original type, hash and size in ObjectToPack * Use SetObject to set both Original and resolved type, hash and size * Restore original object before using BackToOriginal (cycle resolution) * Update encoder test to check this case Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing: packfile, Add crc check to scanner test.Javi Fontan2018-01-211-4/+75
| | | | Signed-off-by: Javi Fontan <jfontan@gmail.com>
* plumbing: packfile, Add a buffer to crc writer.Javi Fontan2018-01-211-9/+31
| | | | | | | | | | | crc update with block smaller than 16 bytes uses a slower version of the function. ReadByte is heavily used by zlib inflate so most of the time crc is update byte by byte. A new Flush method is added to the scanner to flush this crc writer cache. It is only called when the Scanner reader is a teeReader. Signed-off-by: Javi Fontan <jfontan@gmail.com>
* Modify cache to delete more than one item to free spaceJavi Fontan2018-01-161-0/+2
| | | | | | | | | | | The previous version could only delete the oldest used object. If the object to cache was bigger than the space freed it could not be added. Also the decoder adds bases to the cache when they are needed. This change increases the speed creating indexes 2x. Signed-off-by: Javi Fontan <jfontan@gmail.com>
* Clean reconstructed objects outside pack windowJavi Fontan2018-01-111-13/+19
| | | | | | | | | | | Object walk reconstructs delta objects but these are not cleaned up after they got out the pack window. Without this change all reconstructed objects reside in memory. restoreOriginal call is moved before calling Size(). Now we can not guarantee that the object is already undeltified. Signed-off-by: Javi Fontan <javier@sourced.tech>
* fix typoWells Johnston2018-01-081-1/+1
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