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The convert_to_sparse() method checks for the GIT_TEST_SPARSE_INDEX environment variable or the "index.sparse" config setting before converting the index to a sparse one. This is for ease of use since all current consumers are preparing to compress the index before writing it to disk. If these settings are not enabled, then convert_to_sparse() silently returns without doing anything. We will add a consumer in the next change that wants to use the sparse index as an in-memory data structure, regardless of whether the on-disk format should be sparse. To that end, create the SPARSE_INDEX_MEMORY_ONLY flag that will skip these config checks when enabled. All current consumers are modified to pass '0' in the new 'flags' parameter. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Reviewed-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
24 lines
826 B
C
24 lines
826 B
C
#ifndef SPARSE_INDEX_H__
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#define SPARSE_INDEX_H__
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struct index_state;
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#define SPARSE_INDEX_MEMORY_ONLY (1 << 0)
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int convert_to_sparse(struct index_state *istate, int flags);
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/*
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* Some places in the codebase expect to search for a specific path.
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* This path might be outside of the sparse-checkout definition, in
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* which case a sparse-index may not contain a path for that index.
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*
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* Given an index and a path, check to see if a leading directory for
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* 'path' exists in the index as a sparse directory. In that case,
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* expand that sparse directory to a full range of cache entries and
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* populate the index accordingly.
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*/
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void expand_to_path(struct index_state *istate,
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const char *path, size_t pathlen, int icase);
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struct repository;
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int set_sparse_index_config(struct repository *repo, int enable);
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#endif
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