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Move read_cache_unmerged() to read-cache.c

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builtin-read-tree has a read_cache_unmerged() which is useful for other
builtins, for example builtin-merge uses it as well. Move it to
read-cache.c to avoid code duplication.

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Miklos Vajna
2008-06-27 18:21:58 +02:00
committed by Junio C Hamano
parent b2eabcc253
commit e46bbcf6e8
3 changed files with 33 additions and 24 deletions
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31
read-cache.c
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@ -1410,3 +1410,34 @@ int write_index(const struct index_state *istate, int newfd)
}
return ce_flush(&c, newfd);
}
/*
* Read the index file that is potentially unmerged into given
* index_state, dropping any unmerged entries. Returns true is
* the index is unmerged. Callers who want to refuse to work
* from an unmerged state can call this and check its return value,
* instead of calling read_cache().
*/
int read_index_unmerged(struct index_state *istate)
{
int i;
struct cache_entry **dst;
struct cache_entry *last = NULL;
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;
continue;
}
*dst++ = ce;
}
istate->cache_nr = dst - istate->cache;
return !!last;
}