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58a1ece478
Teach the merge-recursive strategy a --patience option to use the "patience diff" algorithm, which tends to improve results when cherry-picking a patch that reorders functions at the same time as refactoring them. To support this, struct merge_options and ll_merge_options gain an xdl_opts member, so programs can use arbitrary xdiff flags (think "XDF_IGNORE_WHITESPACE") in a git-aware merge. git merge and git rebase can be passed the -Xpatience option to use this. [jn: split from --ignore-space patch; with documentation] Signed-off-by: Justin Frankel <justin@cockos.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
25 lines
567 B
C
25 lines
567 B
C
/*
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* Low level 3-way in-core file merge.
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*/
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#ifndef LL_MERGE_H
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#define LL_MERGE_H
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struct ll_merge_options {
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unsigned virtual_ancestor : 1;
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unsigned variant : 2; /* favor ours, favor theirs, or union merge */
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unsigned renormalize : 1;
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long xdl_opts;
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};
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int ll_merge(mmbuffer_t *result_buf,
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const char *path,
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mmfile_t *ancestor, const char *ancestor_label,
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mmfile_t *ours, const char *our_label,
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mmfile_t *theirs, const char *their_label,
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const struct ll_merge_options *opts);
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int ll_merge_marker_size(const char *path);
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#endif
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