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4d3f1f9740
Finding a filename in a vector means we need to resort it every time we want to read from it, which includes every time we want to write to it as well, as we want to find duplicate keys. A hash-map fits what we want to do much more accurately, as we do not care about sorting, but just the particular filename. We still keep removed entries around, as the interface let you assume they were going to be around until the treebuilder is cleared or freed, but in this case that involves an append to a vector in the filter case, which can now fail. The only time we care about sorting is when we write out the tree, so let's make that the only time we do any sorting.
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*
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* Copyright (C) the libgit2 contributors. All rights reserved.
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#ifndef INCLUDE_tree_h__
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#define INCLUDE_tree_h__
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#include "git2/tree.h"
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#include "repository.h"
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#include "odb.h"
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#include "vector.h"
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#include "strmap.h"
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struct git_tree_entry {
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uint16_t attr;
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git_oid oid;
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size_t filename_len;
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char filename[1];
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};
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struct git_tree {
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git_object object;
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git_vector entries;
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};
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struct git_treebuilder {
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git_vector removed;
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size_t entrycount; /* vector may contain "removed" entries */
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git_strmap *map;
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};
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GIT_INLINE(bool) git_tree_entry__is_tree(const struct git_tree_entry *e)
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{
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return (S_ISDIR(e->attr) && !S_ISGITLINK(e->attr));
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}
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extern int git_tree_entry_icmp(const git_tree_entry *e1, const git_tree_entry *e2);
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void git_tree__free(void *tree);
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int git_tree__parse(void *tree, git_odb_object *obj);
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/**
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* Lookup the first position in the tree with a given prefix.
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*
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* @param tree a previously loaded tree.
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* @param prefix the beginning of a path to find in the tree.
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* @return index of the first item at or after the given prefix.
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*/
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int git_tree__prefix_position(const git_tree *tree, const char *prefix);
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/**
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* Write a tree to the given repository
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*/
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int git_tree__write_index(
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git_oid *oid, git_index *index, git_repository *repo);
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/**
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* Obsolete mode kept for compatibility reasons
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*/
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#define GIT_FILEMODE_BLOB_GROUP_WRITABLE 0100664
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#endif
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