Commit Briefs

Stefan Sperling

switch 'tog diff' and 'tog blame' to Myers diff for speed

Make the choice of diff algorithm configurable by diff API users. The got and gotweb programs keep using Patience diffs which are prettier than Myers. But tog should be as fast as possible since it is being used interactively. If performance of Patience diff gets improved later we can consider switching tog back over to it. ok tracey jamsek

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Stefan Sperling

move more opentemp out of diffreg.c

ok tracey

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Stefan Sperling

inline struct got_object_id in struct got_object_qid

Saves us from doing a malloc/free call for every item on the list. ok op@

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Stefan Sperling

make fclose(3) failure checks consistent; check 'fclose() == EOF' everywhere

ok millert, naddy

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Stefan Sperling

consistently label removed files as "/dev/null" in diff headers

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Stefan Sperling

handle binary files in got/tog diff commands; add -a options to force text

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Stefan Sperling

allow for configuring a custom file atomizer with got_diff_get_config()

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Stefan Sperling

remove unused function got_diffreg_prepared_files()

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Stefan Sperling

simply got_diff_prepare_file() by letting callers worry about file creation

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Stefan Sperling

remove unused empty function got_diff_dump_change()

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Stefan Sperling

merge new diff implementation from the git.gameoftrees.org diff.git repository

This new diff implementation was started by Neels Hofmeyr during the u2k20 hackathon and now replaces diffreg.c code lifted from the OpenBSD base system. The integration of this code into Got was done by me. Got now uses the patience diff algorithm by default. The diff.git repository will remain the primary repository for the diff code, which already compiles and runs on other operating systems such as Linux. Any fixes and improvements for files inherited from the diff.git repository should be written against that repository and synced to got.git afterwards.

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Stefan Sperling

avoid creating empty files when one side of a diff is empty; ok tracey

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Tracey Emery

create temporary workaround to opening /dev/null during diffing.

this will need to be reworked later. ok stsp

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Stefan Sperling

Add missing includes for time() and ctime()

These headers were implicitly used on OpenBSD, but building on Linux revealed that <time.h> wasn't included directly. diffreg.c uses ctime(), which additionally needs <sys/types.h>.

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Stefan Sperling

Remove return value from diffreg's fetch()

The last use of this was removed in 0165cdf03ffac4c24334979832ad27554913d54c over a year ago.

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