Merge branch 'sg/t-helper-gitignore'
[git/git.git] / replace-object.h
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1#ifndef REPLACE_OBJECT_H
2#define REPLACE_OBJECT_H
3
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4#include "oidmap.h"
5#include "repository.h"
c3c36d7d 6#include "object-store.h"
47f351e9 7
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8struct replace_object {
9 struct oidmap_entry original;
10 struct object_id replacement;
11};
12
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13void prepare_replace_object(struct repository *r);
14
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15/*
16 * This internal function is only declared here for the benefit of
17 * lookup_replace_object(). Please do not call it directly.
18 */
55454427 19const struct object_id *do_lookup_replace_object(struct repository *r,
ad6dad09 20 const struct object_id *oid);
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21
22/*
23 * If object sha1 should be replaced, return the replacement object's
24 * name (replaced recursively, if necessary). The return value is
25 * either sha1 or a pointer to a permanently-allocated value. When
26 * object replacement is suppressed, always return sha1.
27 */
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28static inline const struct object_id *lookup_replace_object(struct repository *r,
29 const struct object_id *oid)
47f351e9 30{
6ebd1caf 31 if (!read_replace_refs ||
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32 (r->objects->replace_map &&
33 r->objects->replace_map->map.tablesize == 0))
47f351e9 34 return oid;
90e777f1 35 return do_lookup_replace_object(r, oid);
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36}
37
d88f9fdf 38#endif /* REPLACE_OBJECT_H */