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c80dd3967f
This method will be helpful to use outside of cache-tree.c in a later feature. The implementation is subtle due to subtree_name_cmp() sorting by length and then lexicographically. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
#ifndef CACHE_TREE_H
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#define CACHE_TREE_H
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#include "cache.h"
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#include "tree.h"
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#include "tree-walk.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 count; /* internally used by update_one() */
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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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struct object_id oid;
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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 index_state *, const char *);
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struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);
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int cache_tree_subtree_pos(struct cache_tree *it, const char *path, int pathlen);
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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 index_state *, int);
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void cache_tree_verify(struct repository *, struct index_state *);
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/* bitmasks to write_index_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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#define WRITE_TREE_DRY_RUN 4
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#define WRITE_TREE_SILENT 8
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#define WRITE_TREE_REPAIR 16
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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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struct tree* write_in_core_index_as_tree(struct repository *repo);
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int write_index_as_tree(struct object_id *oid, struct index_state *index_state, const char *index_path, int flags, const char *prefix);
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void prime_cache_tree(struct repository *, struct index_state *, struct tree *);
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int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info);
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#ifdef USE_THE_INDEX_COMPATIBILITY_MACROS
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static inline int write_cache_as_tree(struct object_id *oid, int flags, const char *prefix)
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{
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return write_index_as_tree(oid, &the_index, get_index_file(), flags, prefix);
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}
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static inline int update_main_cache_tree(int flags)
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{
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if (!the_index.cache_tree)
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the_index.cache_tree = cache_tree();
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return cache_tree_update(&the_index, flags);
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}
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#endif
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#endif
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