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34110cd4e3
We will always unpack into our own internal index, but we will take the source from wherever specified, and we will optionally write the result to a specified index (optionally, because not everybody even _wants_ any result: the index diffing really wants to just walk the tree and index in parallel). This ends up removing a fair number more lines than it adds, for the simple reason that we can now skip all the crud that tried to be oh-so-careful about maintaining our position in the index as we were traversing and modifying it. Since we don't actually modify the source index any more, we can just update the 'o->pos' pointer without worrying about whether an index entry got removed or replaced or added to. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
#ifndef UNPACK_TREES_H
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#define UNPACK_TREES_H
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struct unpack_trees_options;
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typedef int (*merge_fn_t)(struct cache_entry **src,
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struct unpack_trees_options *options);
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struct unpack_trees_options {
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int reset;
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int merge;
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int update;
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int index_only;
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int nontrivial_merge;
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int trivial_merges_only;
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int verbose_update;
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int aggressive;
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int skip_unmerged;
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int gently;
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const char *prefix;
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int pos;
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struct dir_struct *dir;
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merge_fn_t fn;
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int head_idx;
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int merge_size;
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struct cache_entry *df_conflict_entry;
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void *unpack_data;
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struct index_state *dst_index;
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const struct index_state *src_index;
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struct index_state result;
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};
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extern int unpack_trees(unsigned n, struct tree_desc *t,
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struct unpack_trees_options *options);
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int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o);
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int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o);
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int bind_merge(struct cache_entry **src, struct unpack_trees_options *o);
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int oneway_merge(struct cache_entry **src, struct unpack_trees_options *o);
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#endif
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