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unpack_trees(): fix diff-index regression.

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When skip_unmerged option is not given, unpack_trees() should not just
skip unmerged cache entries but keep them in the result for the caller to
sort them out.

For callers other than diff-index, the incoming index should never be
unmerged, but diff-index is a special case caller.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Linus Torvalds 2008-03-10 23:51:13 -07:00 committed by Junio C Hamano
parent 542c264b01
commit 20a16eb33e
2 changed files with 18 additions and 2 deletions
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18
diff-lib.c
View file

@ -641,6 +641,21 @@ static void do_oneway_diff(struct unpack_trees_options *o,
show_modified(revs, tree, idx, 1, cached, match_missing);
}
static inline void skip_same_name(struct cache_entry *ce, struct unpack_trees_options *o)
{
int len = ce_namelen(ce);
const struct index_state *index = o->src_index;
while (o->pos < index->cache_nr) {
struct cache_entry *next = index->cache[o->pos];
if (len != ce_namelen(next))
break;
if (memcmp(ce->name, next->name, len))
break;
o->pos++;
}
}
/*
* The unpack_trees() interface is designed for merging, so
* the different source entries are designed primarily for
@ -662,6 +677,9 @@ static int oneway_diff(struct cache_entry **src, struct unpack_trees_options *o)
struct cache_entry *tree = src[1];
struct rev_info *revs = o->unpack_data;
if (idx && ce_stage(idx))
skip_same_name(idx, o);
/*
* Unpack-trees generates a DF/conflict entry if
* there was a directory in the index and a tree

2
unpack-trees.c
View file

@ -116,7 +116,6 @@ static int unpack_index_entry(struct cache_entry *ce, struct unpack_trees_option
add_entry(o, ce, 0, 0);
return 0;
}
return 0;
}
return call_unpack_fn(src, o);
}
@ -286,7 +285,6 @@ static int unpack_callback(int n, unsigned long mask, unsigned long dirmask, str
add_entry(o, ce, 0, 0);
return mask;
}
continue;
}
src[0] = ce;
}