Junio C Hamano
583e98cd09
The odb_source API has been refactored to make alternates an implementation detail of the files backend instead of managing them at the core object database layer. * ps/odb-files-alternates: odb/source: drop `read_alternates` callback odb/source-files: move alternates into the backend odb/source-files: extract reading alternates odb/source: make `will_destroy` an implementation detail tmp-objdir: replace primary source at creation time tmp-objdir: manage quarantine as an object directory tmp-objdir: absorb logic to set and restore primary sources odb/source-files: add the ability to have multiple object dirs odb: refactor `odb_find_source()` to yield dirs odb: refactor `odb_for_each_alternate()` to yield dirs odb/source-files: introduce `struct odb_files_dir` commit-graph: stop depending on `struct odb_source` commit-graph: require resolved packfile paths for `stdin_packs`
125 lines
3.0 KiB
C
125 lines
3.0 KiB
C
#define USE_THE_REPOSITORY_VARIABLE
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#include "test-tool.h"
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#include "commit-graph.h"
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#include "commit.h"
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#include "hex.h"
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#include "object-name.h"
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#include "repository.h"
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#include "odb.h"
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#include "odb/source.h"
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#include "bloom.h"
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#include "setup.h"
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static void dump_graph_info(struct commit_graph *graph)
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{
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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_generation_data)
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printf(" generation_data");
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if (graph->chunk_generation_data_overflow)
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printf(" generation_data_overflow");
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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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printf("options:");
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if (graph->bloom_filter_settings)
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printf(" bloom(%"PRIu32",%"PRIu32",%"PRIu32")",
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graph->bloom_filter_settings->hash_version,
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graph->bloom_filter_settings->bits_per_entry,
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graph->bloom_filter_settings->num_hashes);
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if (graph->read_generation_data)
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printf(" read_generation_data");
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if (graph->topo_levels)
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printf(" topo_levels");
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printf("\n");
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}
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static void dump_graph_bloom_filters(struct commit_graph *graph)
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{
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uint32_t i;
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for (i = 0; i < graph->num_commits + graph->num_commits_in_base; i++) {
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struct bloom_filter filter = { 0 };
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size_t j;
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if (load_bloom_filter_from_graph(graph, &filter, i) < 0) {
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fprintf(stderr, "missing Bloom filter for graph "
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"position %"PRIu32"\n", i);
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continue;
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}
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for (j = 0; j < filter.len; j++)
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printf("%02x", filter.data[j]);
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if (filter.len)
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printf("\n");
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}
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}
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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 odb_source *source;
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int ret = 0;
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setup_git_directory(the_repository);
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source = the_repository->objects->source;
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prepare_repo_settings(the_repository);
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graph = read_commit_graph_one(the_repository, source->path);
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if (!graph) {
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ret = 1;
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goto done;
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}
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if (argc <= 1)
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dump_graph_info(graph);
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else if (!strcmp(argv[1], "bloom-filters"))
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dump_graph_bloom_filters(graph);
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else if (!strcmp(argv[1], "commit-info")) {
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int i;
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for (i = 2; i < argc; i++) {
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struct object_id oid;
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struct commit *c;
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if (repo_get_oid(the_repository, argv[i], &oid))
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die("not a valid object name: '%s'", argv[i]);
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c = lookup_commit_in_graph(the_repository, &oid);
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if (!c) {
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fprintf(stderr, "%s: not in graph\n", argv[i]);
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ret = 1;
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continue;
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}
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printf("%s generation %"PRIuMAX"\n",
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oid_to_hex(&oid),
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(uintmax_t)commit_graph_generation(c));
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}
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} else {
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fprintf(stderr, "unknown sub-command: '%s'\n", argv[1]);
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ret = 1;
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}
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done:
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free_commit_graph(graph);
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return ret;
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}
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