зеркало из https://github.com/microsoft/git.git
44 строки
1.4 KiB
C
44 строки
1.4 KiB
C
#ifndef REPLACE_OBJECT_H
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#define REPLACE_OBJECT_H
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#include "oidmap.h"
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#include "repository.h"
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#include "object-store.h"
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struct replace_object {
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struct oidmap_entry original;
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struct object_id replacement;
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};
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void prepare_replace_object(struct repository *r);
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/*
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* This internal function is only declared here for the benefit of
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* lookup_replace_object(). Please do not call it directly.
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*/
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const struct object_id *do_lookup_replace_object(struct repository *r,
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const struct object_id *oid);
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/*
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* If object sha1 should be replaced, return the replacement object's
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* name (replaced recursively, if necessary). The return value is
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* either sha1 or a pointer to a permanently-allocated value. When
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* object replacement is suppressed, always return sha1.
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*
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* Note: some thread debuggers might point a data race on the
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* replace_map_initialized reading in this function. However, we know there's no
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* problem in the value being updated by one thread right after another one read
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* it here (and it should be written to only once, anyway).
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*/
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static inline const struct object_id *lookup_replace_object(struct repository *r,
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const struct object_id *oid)
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{
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if (!read_replace_refs ||
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(r->objects->replace_map_initialized &&
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r->objects->replace_map->map.tablesize == 0))
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return oid;
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return do_lookup_replace_object(r, oid);
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}
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#endif /* REPLACE_OBJECT_H */
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