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d11b8d3425
This allows you to discard the cache-tree information before writing the tree out of the index (i.e. it always recomputes the tree object names for all the subtrees). This is only useful as a debug option, so I did not bother documenting it. Signed-off-by: Junio C Hamano <gitster@pobox.com>
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
#ifndef CACHE_TREE_H
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#define CACHE_TREE_H
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#include "tree.h"
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struct cache_tree;
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struct cache_tree_sub {
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struct cache_tree *cache_tree;
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int namelen;
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int used;
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char name[FLEX_ARRAY];
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};
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struct cache_tree {
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int entry_count; /* negative means "invalid" */
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unsigned char sha1[20];
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int subtree_nr;
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int subtree_alloc;
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struct cache_tree_sub **down;
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};
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struct cache_tree *cache_tree(void);
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void cache_tree_free(struct cache_tree **);
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void cache_tree_invalidate_path(struct cache_tree *, const char *);
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struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);
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void cache_tree_write(struct strbuf *, struct cache_tree *root);
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struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
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int cache_tree_fully_valid(struct cache_tree *);
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int cache_tree_update(struct cache_tree *, struct cache_entry **, int, int, int);
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/* bitmasks to write_cache_as_tree flags */
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#define WRITE_TREE_MISSING_OK 1
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#define WRITE_TREE_IGNORE_CACHE_TREE 2
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/* error return codes */
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#define WRITE_TREE_UNREADABLE_INDEX (-1)
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#define WRITE_TREE_UNMERGED_INDEX (-2)
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#define WRITE_TREE_PREFIX_ERROR (-3)
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int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix);
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void prime_cache_tree(struct cache_tree **, struct tree *);
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#endif
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