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d58ddaf3
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2022-03-17T20:02:40
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const-ify tables
ok thomas_adam millert
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f6027426
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2022-02-12T21:48:46
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consistently match size of hash variables to that returned by murmurhash
ok millert stsp
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2b474c25
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2022-02-11T22:45:00
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use murmurhash instead of sha1 for deltification blocks; suggested by ori
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64a8571e
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2022-01-07T23:32:27
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map raw object files into memory while packing if possible
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2d467c6d
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2021-10-13T18:07:29
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fix wrong function in error string of emitdelta()
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f736d93a
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2021-10-07T19:12:36
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link to the FastCDC paper from deltify.c; suggested by Ori some time ago
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6eab69f7
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2021-10-07T19:08:52
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make the number of elements in deltify's geartab explicit
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5de743f8
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2021-08-29T13:15:27
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fix seek to incorrect offset in the delta base when creating deltas
The stretchblk() function needs to compare data located after the block
which has just been matched. However, upon entry it was resetting the
file pointer of the delta base to the beginning(!) of the block.
The other file is correctly positioned after the block.
In many cases the data won't match and stretchblk() will not stretch
the matched block. But when the data did happen to match this resulted
in a bogus delta, and wrong file contents when the delta was applied.
Fix this by setting the delta base file pointer to end of the block.
Problem reported by naddy after our server refused a pack file which
was sent by 'got send'. I could reproduce the issue by running the
'gotadmin pack' command on a copy of naddy's repository.
ok naddy
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0af64e86
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2021-08-22T12:54:21
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plug a memory leak in an error path of got_deltify()
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dd29967c
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2021-08-22T12:53:22
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make got_deltify() rellocate the deltas array less often
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9a8dc2b3
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2021-06-18T14:10:55
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fix deltas with trailing data that is smaller than the minimum chunk size
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740bba1c
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2021-06-18T14:07:35
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allow the delta base file to lose its header between deltify_init and deltify
This simplifies pack file creation. A delta base could be read from a
loose object, a packfile, or it might be available in a temporary file.
All these cases can now be handled the same way. We may need to open,
close, and re-open a given delta base multiple times while packing.
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7550e799
|
2021-06-18T13:59:46
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check for errors from emitdelta() in got_deltify()
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aa51f4a4
|
2021-06-18T13:57:59
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handle fseek in got_deltify() instead of in stretchblk(); simplifies the code
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f34b169e
|
2021-06-18T13:28:25
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Allow for skipping the base object header in got_deltify().
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0d15f6dc
|
2021-06-13T17:03:59
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in addblk(), only read data into buffer1 if we will compare it to buffer2
suggested by and ok naddy@
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68bdcdc2
|
2021-06-11T17:10:50
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addblk() may seek in its input file; reposition the file pointer afterwards
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a893025f
|
2021-06-11T17:02:57
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addblk: iterate over the correct number of entries after growing the array
ok naddy
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e89540a9
|
2021-06-11T17:02:13
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addblk: be more careful about expanding the blocks array when we outgrow it
fixes + ok naddy
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51a494da
|
2021-06-11T17:00:02
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check a block's hash as well as its length before expensive comparisons
suggested by + ok naddy, and Ori agrees
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dbbf4a5f
|
2021-05-20T09:51:59
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allow got_deltify_free(NULL); will be needed by 'gotadmin pack'
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22403ab7
|
2021-03-22T16:20:51
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deltify.c: explicitly include <endian.h> for be64toh()
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f364801d
|
2021-03-10T22:49:21
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first pass over deltify.c: adapt coding style and data types; make it compile
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2a0e67f7
|
2021-03-10T22:49:21
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|
Ori has authorized a licence change to OpenBSD's license template
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56e7a15f
|
2021-03-10T22:49:21
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add deltify.c, unmodified from git9, with license header added
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69aa0e90
|
2021-03-10T22:49:21
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|
substantial rewrite of deltify.c; operate on plain files only
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5788893e
|
2021-03-10T22:49:21
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fix off-by-one error in delta length; from ori
git9 commit fbb2fb7c87d8edf58e22c84f575853dc9de79ac4
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