Commit Briefs

Stefan Sperling

store deltas in compressed form while packing, both in memory and cache file

This reduces memory and disk space consumption during packing. with tweaks + memleak on error fix from op@ ok op@

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Stefan Sperling

fix infinite loop in got-index-pack for pack files >= 4GB in size

Because of a missing range check our zlib wrapper would end up calling zlib over and over with zero bytes of input. Problem reported by semarie and naddy. Fixed with help from millert@. ok millert naddy

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Stefan Sperling

compress delta data from delta_cache directly into pack file

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Stefan Sperling

map raw object files into memory while packing if possible

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Christian Weisgerber

match the unsigned char type used by the zlib interface

ok stsp

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Stefan Sperling

simplify deflate checksumming code; fixes errors with upcoming 'gotadmin pack'

tweak + ok naddy

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Stefan Sperling

add checksum support to got_deflate_to_file()

This will eventually be used by 'gotadmin pack'. Checksum init and finalization will need to be done by the caller since many objects will be written out in compressed form while we are computing checksums across the entire pack file. ok millert, naddy

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Stefan Sperling

rename got_error_prefix_errno() to got_error_from_errno()

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joshua stein

got_error_from_errno -> got_error_prefix_errno

also add got_error_prefix_errno2 and got_error_prefix_errno3 which should hopefully all be merged into a single function with variadic args (but can't alloc mem)

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Stefan Sperling

make got path APIs available to library consumers

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Stefan Sperling

flush compressed output in got_deflate_read()

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Stefan Sperling

add some initial code for zlib compression

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