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reset --hard/read-tree --reset -u: remove unmerged new paths

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When aborting a failed merge that has brought in a new path using "git
reset --hard" or "git read-tree --reset -u", we used to first forget about
the new path (via read_cache_unmerged) and then matched the working tree
to what is recorded in the index, thus ending up leaving the new path in
the work tree.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2008-10-15 16:00:06 -07:00
parent c82efafcfa
commit d1a43f2aa4
2 changed files with 78 additions and 13 deletions
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31
read-cache.c
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@ -1460,23 +1460,28 @@ int write_index(const struct index_state *istate, int newfd)
int read_index_unmerged(struct index_state *istate)
{
int i;
struct cache_entry **dst;
struct cache_entry *last = NULL;
int unmerged = 0;
read_index(istate);
dst = istate->cache;
for (i = 0; i < istate->cache_nr; i++) {
struct cache_entry *ce = istate->cache[i];
if (ce_stage(ce)) {
remove_name_hash(ce);
if (last && !strcmp(ce->name, last->name))
continue;
cache_tree_invalidate_path(istate->cache_tree, ce->name);
last = ce;
struct cache_entry *new_ce;
int size, len;
if (!ce_stage(ce))
continue;
}
*dst++ = ce;
unmerged = 1;
len = strlen(ce->name);
size = cache_entry_size(len);
new_ce = xcalloc(1, size);
hashcpy(new_ce->sha1, ce->sha1);
memcpy(new_ce->name, ce->name, len);
new_ce->ce_flags = create_ce_flags(len, 0);
new_ce->ce_mode = ce->ce_mode;
if (add_index_entry(istate, new_ce, 0))
return error("%s: cannot drop to stage #0",
ce->name);
i = index_name_pos(istate, new_ce->name, len);
}
istate->cache_nr = dst - istate->cache;
return !!last;
return unmerged;
}