9b6606f43d
Introduce an extension to the commit-graph to make it efficient to check for the paths that were modified at each commit using Bloom filters. * gs/commit-graph-path-filter: bloom: ignore renames when computing changed paths commit-graph: add GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS test flag t4216: add end to end tests for git log with Bloom filters revision.c: add trace2 stats around Bloom filter usage revision.c: use Bloom filters to speed up path based revision walks commit-graph: add --changed-paths option to write subcommand commit-graph: reuse existing Bloom filters during write commit-graph: write Bloom filters to commit graph file commit-graph: examine commits by generation number commit-graph: examine changed-path objects in pack order commit-graph: compute Bloom filters for changed paths diff: halt tree-diff early after max_changes bloom.c: core Bloom filter implementation for changed paths. bloom.c: introduce core Bloom filter constructs bloom.c: add the murmur3 hash implementation commit-graph: define and use MAX_NUM_CHUNKS
47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
#include "test-tool.h"
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#include "cache.h"
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#include "commit-graph.h"
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#include "repository.h"
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#include "object-store.h"
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int cmd__read_graph(int argc, const char **argv)
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{
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struct commit_graph *graph = NULL;
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struct object_directory *odb;
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setup_git_directory();
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odb = the_repository->objects->odb;
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graph = read_commit_graph_one(the_repository, odb);
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if (!graph)
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return 1;
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printf("header: %08x %d %d %d %d\n",
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ntohl(*(uint32_t*)graph->data),
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*(unsigned char*)(graph->data + 4),
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*(unsigned char*)(graph->data + 5),
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*(unsigned char*)(graph->data + 6),
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*(unsigned char*)(graph->data + 7));
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printf("num_commits: %u\n", graph->num_commits);
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printf("chunks:");
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if (graph->chunk_oid_fanout)
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printf(" oid_fanout");
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if (graph->chunk_oid_lookup)
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printf(" oid_lookup");
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if (graph->chunk_commit_data)
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printf(" commit_metadata");
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if (graph->chunk_extra_edges)
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printf(" extra_edges");
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if (graph->chunk_bloom_indexes)
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printf(" bloom_indexes");
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if (graph->chunk_bloom_data)
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printf(" bloom_data");
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printf("\n");
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UNLEAK(graph);
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return 0;
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}
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