зеркало из https://github.com/microsoft/git.git
Merge branch 'tb/commit-graph-object-dir'
The code to compute the commit-graph has been taught to use a more robust way to tell if two object directories refer to the same thing. * tb/commit-graph-object-dir: commit-graph.h: use odb in 'load_commit_graph_one_fd_st' commit-graph.c: remove path normalization, comparison commit-graph.h: store object directory in 'struct commit_graph' commit-graph.h: store an odb in 'struct write_commit_graph_context' t5318: don't pass non-object directory to '--object-dir'
This commit is contained in:
Junio C Hamano
Коммит
53c3be2c29
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@ -26,7 +26,10 @@ OPTIONS
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file. This parameter exists to specify the location of an alternate
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that only has the objects directory, not a full `.git` directory. The
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commit-graph file is expected to be in the `<dir>/info` directory and
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the packfiles are expected to be in `<dir>/pack`.
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the packfiles are expected to be in `<dir>/pack`. If the directory
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could not be made into an absolute path, or does not match any known
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object directory, `git commit-graph ...` will exit with non-zero
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status.
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--[no-]progress::
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Turn progress on/off explicitly. If neither is specified, progress is
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@ -34,9 +34,29 @@ static struct opts_commit_graph {
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int progress;
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} opts;
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static struct object_directory *find_odb(struct repository *r,
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const char *obj_dir)
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{
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struct object_directory *odb;
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char *obj_dir_real = real_pathdup(obj_dir, 1);
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prepare_alt_odb(r);
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for (odb = r->objects->odb; odb; odb = odb->next) {
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if (!strcmp(obj_dir_real, real_path(odb->path)))
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break;
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}
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free(obj_dir_real);
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if (!odb)
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die(_("could not find object directory matching %s"), obj_dir);
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return odb;
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}
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static int graph_verify(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 = NULL;
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char *graph_name;
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int open_ok;
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int fd;
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@ -67,7 +87,8 @@ static int graph_verify(int argc, const char **argv)
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if (opts.progress)
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flags |= COMMIT_GRAPH_WRITE_PROGRESS;
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graph_name = get_commit_graph_filename(opts.obj_dir);
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odb = find_odb(the_repository, opts.obj_dir);
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graph_name = get_commit_graph_filename(odb);
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open_ok = open_commit_graph(graph_name, &fd, &st);
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if (!open_ok && errno != ENOENT)
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die_errno(_("Could not open commit-graph '%s'"), graph_name);
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@ -75,9 +96,9 @@ static int graph_verify(int argc, const char **argv)
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FREE_AND_NULL(graph_name);
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if (open_ok)
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graph = load_commit_graph_one_fd_st(fd, &st);
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else
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graph = read_commit_graph_one(the_repository, opts.obj_dir);
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graph = load_commit_graph_one_fd_st(fd, &st, odb);
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else
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graph = read_commit_graph_one(the_repository, odb);
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/* Return failure if open_ok predicted success */
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if (!graph)
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@ -94,6 +115,7 @@ static int graph_write(int argc, const char **argv)
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{
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struct string_list *pack_indexes = NULL;
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struct string_list *commit_hex = NULL;
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struct object_directory *odb = NULL;
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struct string_list lines;
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int result = 0;
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enum commit_graph_write_flags flags = 0;
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@ -145,9 +167,10 @@ static int graph_write(int argc, const char **argv)
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flags |= COMMIT_GRAPH_WRITE_PROGRESS;
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read_replace_refs = 0;
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odb = find_odb(the_repository, opts.obj_dir);
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if (opts.reachable) {
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if (write_commit_graph_reachable(opts.obj_dir, flags, &split_opts))
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if (write_commit_graph_reachable(odb, flags, &split_opts))
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return 1;
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return 0;
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}
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@ -169,7 +192,7 @@ static int graph_write(int argc, const char **argv)
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UNLEAK(buf);
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}
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if (write_commit_graph(opts.obj_dir,
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if (write_commit_graph(odb,
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pack_indexes,
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commit_hex,
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flags,
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@ -1693,7 +1693,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
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"not exceeded, and then \"git restore --staged :/\" to recover."));
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if (git_env_bool(GIT_TEST_COMMIT_GRAPH, 0) &&
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write_commit_graph_reachable(get_object_directory(), 0, NULL))
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write_commit_graph_reachable(the_repository->objects->odb, 0, NULL))
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return 1;
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repo_rerere(the_repository, 0);
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@ -1879,7 +1879,7 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
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if (progress)
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commit_graph_flags |= COMMIT_GRAPH_WRITE_PROGRESS;
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write_commit_graph_reachable(get_object_directory(),
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write_commit_graph_reachable(the_repository->objects->odb,
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commit_graph_flags,
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NULL);
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}
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@ -686,7 +686,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
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prepare_repo_settings(the_repository);
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if (the_repository->settings.gc_write_commit_graph == 1)
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write_commit_graph_reachable(get_object_directory(),
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write_commit_graph_reachable(the_repository->objects->odb,
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!quiet && !daemonized ? COMMIT_GRAPH_WRITE_PROGRESS : 0,
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NULL);
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115
commit-graph.c
115
commit-graph.c
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@ -44,30 +44,21 @@
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/* Remember to update object flag allocation in object.h */
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#define REACHABLE (1u<<15)
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char *get_commit_graph_filename(const char *obj_dir)
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char *get_commit_graph_filename(struct object_directory *odb)
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{
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char *filename = xstrfmt("%s/info/commit-graph", obj_dir);
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char *normalized = xmalloc(strlen(filename) + 1);
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normalize_path_copy(normalized, filename);
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free(filename);
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return normalized;
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return xstrfmt("%s/info/commit-graph", odb->path);
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}
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static char *get_split_graph_filename(const char *obj_dir,
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static char *get_split_graph_filename(struct object_directory *odb,
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const char *oid_hex)
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{
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char *filename = xstrfmt("%s/info/commit-graphs/graph-%s.graph",
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obj_dir,
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oid_hex);
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char *normalized = xmalloc(strlen(filename) + 1);
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normalize_path_copy(normalized, filename);
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free(filename);
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return normalized;
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return xstrfmt("%s/info/commit-graphs/graph-%s.graph", odb->path,
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oid_hex);
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}
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static char *get_chain_filename(const char *obj_dir)
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static char *get_chain_filename(struct object_directory *odb)
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{
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return xstrfmt("%s/info/commit-graphs/commit-graph-chain", obj_dir);
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return xstrfmt("%s/info/commit-graphs/commit-graph-chain", odb->path);
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}
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static uint8_t oid_version(void)
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@ -117,7 +108,8 @@ int open_commit_graph(const char *graph_file, int *fd, struct stat *st)
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return 1;
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}
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struct commit_graph *load_commit_graph_one_fd_st(int fd, struct stat *st)
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struct commit_graph *load_commit_graph_one_fd_st(int fd, struct stat *st,
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struct object_directory *odb)
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{
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void *graph_map;
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size_t graph_size;
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@ -133,7 +125,9 @@ struct commit_graph *load_commit_graph_one_fd_st(int fd, struct stat *st)
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graph_map = xmmap(NULL, graph_size, PROT_READ, MAP_PRIVATE, fd, 0);
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ret = parse_commit_graph(graph_map, fd, graph_size);
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if (!ret) {
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if (ret)
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ret->odb = odb;
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else {
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munmap(graph_map, graph_size);
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close(fd);
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}
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@ -308,7 +302,8 @@ struct commit_graph *parse_commit_graph(void *graph_map, int fd,
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return graph;
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}
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static struct commit_graph *load_commit_graph_one(const char *graph_file)
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static struct commit_graph *load_commit_graph_one(const char *graph_file,
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struct object_directory *odb)
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{
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struct stat st;
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@ -319,7 +314,7 @@ static struct commit_graph *load_commit_graph_one(const char *graph_file)
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if (!open_ok)
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return NULL;
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g = load_commit_graph_one_fd_st(fd, &st);
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g = load_commit_graph_one_fd_st(fd, &st, odb);
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if (g)
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g->filename = xstrdup(graph_file);
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@ -327,15 +322,13 @@ static struct commit_graph *load_commit_graph_one(const char *graph_file)
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return g;
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}
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static struct commit_graph *load_commit_graph_v1(struct repository *r, const char *obj_dir)
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static struct commit_graph *load_commit_graph_v1(struct repository *r,
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struct object_directory *odb)
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{
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char *graph_name = get_commit_graph_filename(obj_dir);
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struct commit_graph *g = load_commit_graph_one(graph_name);
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char *graph_name = get_commit_graph_filename(odb);
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struct commit_graph *g = load_commit_graph_one(graph_name, odb);
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free(graph_name);
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if (g)
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g->obj_dir = obj_dir;
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return g;
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}
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@ -372,14 +365,15 @@ static int add_graph_to_chain(struct commit_graph *g,
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return 1;
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}
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static struct commit_graph *load_commit_graph_chain(struct repository *r, const char *obj_dir)
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static struct commit_graph *load_commit_graph_chain(struct repository *r,
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struct object_directory *odb)
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{
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struct commit_graph *graph_chain = NULL;
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struct strbuf line = STRBUF_INIT;
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struct stat st;
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struct object_id *oids;
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int i = 0, valid = 1, count;
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char *chain_name = get_chain_filename(obj_dir);
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char *chain_name = get_chain_filename(odb);
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FILE *fp;
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int stat_res;
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@ -412,14 +406,12 @@ static struct commit_graph *load_commit_graph_chain(struct repository *r, const
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valid = 0;
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for (odb = r->objects->odb; odb; odb = odb->next) {
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char *graph_name = get_split_graph_filename(odb->path, line.buf);
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struct commit_graph *g = load_commit_graph_one(graph_name);
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char *graph_name = get_split_graph_filename(odb, line.buf);
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struct commit_graph *g = load_commit_graph_one(graph_name, odb);
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free(graph_name);
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if (g) {
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g->obj_dir = odb->path;
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if (add_graph_to_chain(g, graph_chain, oids, i)) {
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graph_chain = g;
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valid = 1;
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@ -442,23 +434,25 @@ static struct commit_graph *load_commit_graph_chain(struct repository *r, const
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return graph_chain;
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}
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struct commit_graph *read_commit_graph_one(struct repository *r, const char *obj_dir)
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struct commit_graph *read_commit_graph_one(struct repository *r,
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struct object_directory *odb)
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{
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struct commit_graph *g = load_commit_graph_v1(r, obj_dir);
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struct commit_graph *g = load_commit_graph_v1(r, odb);
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if (!g)
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g = load_commit_graph_chain(r, obj_dir);
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g = load_commit_graph_chain(r, odb);
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return g;
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}
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static void prepare_commit_graph_one(struct repository *r, const char *obj_dir)
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static void prepare_commit_graph_one(struct repository *r,
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struct object_directory *odb)
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{
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if (r->objects->commit_graph)
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return;
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r->objects->commit_graph = read_commit_graph_one(r, obj_dir);
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r->objects->commit_graph = read_commit_graph_one(r, odb);
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}
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/*
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@ -505,7 +499,7 @@ static int prepare_commit_graph(struct repository *r)
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for (odb = r->objects->odb;
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!r->objects->commit_graph && odb;
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odb = odb->next)
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prepare_commit_graph_one(r, odb->path);
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prepare_commit_graph_one(r, odb);
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return !!r->objects->commit_graph;
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}
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@ -772,7 +766,7 @@ struct packed_oid_list {
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struct write_commit_graph_context {
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struct repository *r;
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char *obj_dir;
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struct object_directory *odb;
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char *graph_name;
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struct packed_oid_list oids;
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struct packed_commit_list commits;
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|
|
@ -1149,7 +1143,7 @@ static int add_ref_to_list(const char *refname,
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return 0;
|
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}
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|
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int write_commit_graph_reachable(const char *obj_dir,
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int write_commit_graph_reachable(struct object_directory *odb,
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enum commit_graph_write_flags flags,
|
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const struct split_commit_graph_opts *split_opts)
|
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{
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|
|
@ -1157,7 +1151,7 @@ int write_commit_graph_reachable(const char *obj_dir,
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int result;
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for_each_ref(add_ref_to_list, &list);
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result = write_commit_graph(obj_dir, NULL, &list,
|
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result = write_commit_graph(odb, NULL, &list,
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flags, split_opts);
|
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|
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string_list_clear(&list, 0);
|
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|
|
@ -1172,7 +1166,7 @@ static int fill_oids_from_packs(struct write_commit_graph_context *ctx,
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struct strbuf packname = STRBUF_INIT;
|
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int dirlen;
|
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|
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strbuf_addf(&packname, "%s/pack/", ctx->obj_dir);
|
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strbuf_addf(&packname, "%s/pack/", ctx->odb->path);
|
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dirlen = packname.len;
|
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if (ctx->report_progress) {
|
||||
strbuf_addf(&progress_title,
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|
|
@ -1368,10 +1362,10 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
|
|||
|
||||
strbuf_addf(&tmp_file,
|
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"%s/info/commit-graphs/tmp_graph_XXXXXX",
|
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ctx->obj_dir);
|
||||
ctx->odb->path);
|
||||
ctx->graph_name = strbuf_detach(&tmp_file, NULL);
|
||||
} else {
|
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ctx->graph_name = get_commit_graph_filename(ctx->obj_dir);
|
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ctx->graph_name = get_commit_graph_filename(ctx->odb);
|
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}
|
||||
|
||||
if (safe_create_leading_directories(ctx->graph_name)) {
|
||||
|
|
@ -1382,7 +1376,7 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
|
|||
}
|
||||
|
||||
if (ctx->split) {
|
||||
char *lock_name = get_chain_filename(ctx->obj_dir);
|
||||
char *lock_name = get_chain_filename(ctx->odb);
|
||||
|
||||
hold_lock_file_for_update(&lk, lock_name, LOCK_DIE_ON_ERROR);
|
||||
|
||||
|
|
@ -1470,7 +1464,7 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
|
|||
|
||||
if (ctx->split && ctx->base_graph_name && ctx->num_commit_graphs_after > 1) {
|
||||
char *new_base_hash = xstrdup(oid_to_hex(&ctx->new_base_graph->oid));
|
||||
char *new_base_name = get_split_graph_filename(ctx->new_base_graph->obj_dir, new_base_hash);
|
||||
char *new_base_name = get_split_graph_filename(ctx->new_base_graph->odb, new_base_hash);
|
||||
|
||||
free(ctx->commit_graph_filenames_after[ctx->num_commit_graphs_after - 2]);
|
||||
free(ctx->commit_graph_hash_after[ctx->num_commit_graphs_after - 2]);
|
||||
|
|
@ -1506,12 +1500,12 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
|
|||
}
|
||||
}
|
||||
} else {
|
||||
char *graph_name = get_commit_graph_filename(ctx->obj_dir);
|
||||
char *graph_name = get_commit_graph_filename(ctx->odb);
|
||||
unlink(graph_name);
|
||||
}
|
||||
|
||||
ctx->commit_graph_hash_after[ctx->num_commit_graphs_after - 1] = xstrdup(oid_to_hex(&file_hash));
|
||||
final_graph_name = get_split_graph_filename(ctx->obj_dir,
|
||||
final_graph_name = get_split_graph_filename(ctx->odb,
|
||||
ctx->commit_graph_hash_after[ctx->num_commit_graphs_after - 1]);
|
||||
ctx->commit_graph_filenames_after[ctx->num_commit_graphs_after - 1] = final_graph_name;
|
||||
|
||||
|
|
@ -1553,7 +1547,7 @@ static void split_graph_merge_strategy(struct write_commit_graph_context *ctx)
|
|||
|
||||
while (g && (g->num_commits <= size_mult * num_commits ||
|
||||
(max_commits && num_commits > max_commits))) {
|
||||
if (strcmp(g->obj_dir, ctx->obj_dir))
|
||||
if (g->odb != ctx->odb)
|
||||
break;
|
||||
|
||||
num_commits += g->num_commits;
|
||||
|
|
@ -1565,10 +1559,10 @@ static void split_graph_merge_strategy(struct write_commit_graph_context *ctx)
|
|||
ctx->new_base_graph = g;
|
||||
|
||||
if (ctx->num_commit_graphs_after == 2) {
|
||||
char *old_graph_name = get_commit_graph_filename(g->obj_dir);
|
||||
char *old_graph_name = get_commit_graph_filename(g->odb);
|
||||
|
||||
if (!strcmp(g->filename, old_graph_name) &&
|
||||
strcmp(g->obj_dir, ctx->obj_dir)) {
|
||||
g->odb != ctx->odb) {
|
||||
ctx->num_commit_graphs_after = 1;
|
||||
ctx->new_base_graph = NULL;
|
||||
}
|
||||
|
|
@ -1719,13 +1713,13 @@ static void expire_commit_graphs(struct write_commit_graph_context *ctx)
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if (ctx->split_opts && ctx->split_opts->expire_time)
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expire_time -= ctx->split_opts->expire_time;
|
||||
if (!ctx->split) {
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||||
char *chain_file_name = get_chain_filename(ctx->obj_dir);
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char *chain_file_name = get_chain_filename(ctx->odb);
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unlink(chain_file_name);
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free(chain_file_name);
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||||
ctx->num_commit_graphs_after = 0;
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||||
}
|
||||
|
||||
strbuf_addstr(&path, ctx->obj_dir);
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strbuf_addstr(&path, ctx->odb->path);
|
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strbuf_addstr(&path, "/info/commit-graphs");
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dir = opendir(path.buf);
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||||
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||||
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@ -1764,7 +1758,7 @@ out:
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|||
strbuf_release(&path);
|
||||
}
|
||||
|
||||
int write_commit_graph(const char *obj_dir,
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||||
int write_commit_graph(struct object_directory *odb,
|
||||
struct string_list *pack_indexes,
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||||
struct string_list *commit_hex,
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||||
enum commit_graph_write_flags flags,
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||||
|
|
@ -1772,7 +1766,6 @@ int write_commit_graph(const char *obj_dir,
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|||
{
|
||||
struct write_commit_graph_context *ctx;
|
||||
uint32_t i, count_distinct = 0;
|
||||
size_t len;
|
||||
int res = 0;
|
||||
|
||||
if (!commit_graph_compatible(the_repository))
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||||
|
|
@ -1780,14 +1773,7 @@ int write_commit_graph(const char *obj_dir,
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|||
|
||||
ctx = xcalloc(1, sizeof(struct write_commit_graph_context));
|
||||
ctx->r = the_repository;
|
||||
|
||||
/* normalize object dir with no trailing slash */
|
||||
ctx->obj_dir = xmallocz(strlen(obj_dir) + 1);
|
||||
normalize_path_copy(ctx->obj_dir, obj_dir);
|
||||
len = strlen(ctx->obj_dir);
|
||||
if (len && ctx->obj_dir[len - 1] == '/')
|
||||
ctx->obj_dir[len - 1] = 0;
|
||||
|
||||
ctx->odb = odb;
|
||||
ctx->append = flags & COMMIT_GRAPH_WRITE_APPEND ? 1 : 0;
|
||||
ctx->report_progress = flags & COMMIT_GRAPH_WRITE_PROGRESS ? 1 : 0;
|
||||
ctx->split = flags & COMMIT_GRAPH_WRITE_SPLIT ? 1 : 0;
|
||||
|
|
@ -1824,7 +1810,7 @@ int write_commit_graph(const char *obj_dir,
|
|||
ctx->oids.alloc = split_opts->max_commits;
|
||||
|
||||
if (ctx->append) {
|
||||
prepare_commit_graph_one(ctx->r, ctx->obj_dir);
|
||||
prepare_commit_graph_one(ctx->r, ctx->odb);
|
||||
if (ctx->r->objects->commit_graph)
|
||||
ctx->oids.alloc += ctx->r->objects->commit_graph->num_commits;
|
||||
}
|
||||
|
|
@ -1898,7 +1884,6 @@ cleanup:
|
|||
free(ctx->graph_name);
|
||||
free(ctx->commits.list);
|
||||
free(ctx->oids.list);
|
||||
free(ctx->obj_dir);
|
||||
|
||||
if (ctx->commit_graph_filenames_after) {
|
||||
for (i = 0; i < ctx->num_commit_graphs_after; i++) {
|
||||
|
|
|
|||
|
|
@ -5,13 +5,14 @@
|
|||
#include "repository.h"
|
||||
#include "string-list.h"
|
||||
#include "cache.h"
|
||||
#include "object-store.h"
|
||||
|
||||
#define GIT_TEST_COMMIT_GRAPH "GIT_TEST_COMMIT_GRAPH"
|
||||
#define GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD "GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD"
|
||||
|
||||
struct commit;
|
||||
|
||||
char *get_commit_graph_filename(const char *obj_dir);
|
||||
char *get_commit_graph_filename(struct object_directory *odb);
|
||||
int open_commit_graph(const char *graph_file, int *fd, struct stat *st);
|
||||
|
||||
/*
|
||||
|
|
@ -48,7 +49,7 @@ struct commit_graph {
|
|||
uint32_t num_commits;
|
||||
struct object_id oid;
|
||||
char *filename;
|
||||
const char *obj_dir;
|
||||
struct object_directory *odb;
|
||||
|
||||
uint32_t num_commits_in_base;
|
||||
struct commit_graph *base_graph;
|
||||
|
|
@ -60,8 +61,10 @@ struct commit_graph {
|
|||
const unsigned char *chunk_base_graphs;
|
||||
};
|
||||
|
||||
struct commit_graph *load_commit_graph_one_fd_st(int fd, struct stat *st);
|
||||
struct commit_graph *read_commit_graph_one(struct repository *r, const char *obj_dir);
|
||||
struct commit_graph *load_commit_graph_one_fd_st(int fd, struct stat *st,
|
||||
struct object_directory *odb);
|
||||
struct commit_graph *read_commit_graph_one(struct repository *r,
|
||||
struct object_directory *odb);
|
||||
struct commit_graph *parse_commit_graph(void *graph_map, int fd,
|
||||
size_t graph_size);
|
||||
|
||||
|
|
@ -91,10 +94,10 @@ struct split_commit_graph_opts {
|
|||
* is not compatible with the commit-graph feature, then the
|
||||
* methods will return 0 without writing a commit-graph.
|
||||
*/
|
||||
int write_commit_graph_reachable(const char *obj_dir,
|
||||
int write_commit_graph_reachable(struct object_directory *odb,
|
||||
enum commit_graph_write_flags flags,
|
||||
const struct split_commit_graph_opts *split_opts);
|
||||
int write_commit_graph(const char *obj_dir,
|
||||
int write_commit_graph(struct object_directory *odb,
|
||||
struct string_list *pack_indexes,
|
||||
struct string_list *commit_hex,
|
||||
enum commit_graph_write_flags flags,
|
||||
|
|
|
|||
|
|
@ -11,18 +11,18 @@ int cmd__read_graph(int argc, const char **argv)
|
|||
int open_ok;
|
||||
int fd;
|
||||
struct stat st;
|
||||
const char *object_dir;
|
||||
struct object_directory *odb;
|
||||
|
||||
setup_git_directory();
|
||||
object_dir = get_object_directory();
|
||||
odb = the_repository->objects->odb;
|
||||
|
||||
graph_name = get_commit_graph_filename(object_dir);
|
||||
graph_name = get_commit_graph_filename(odb);
|
||||
|
||||
open_ok = open_commit_graph(graph_name, &fd, &st);
|
||||
if (!open_ok)
|
||||
die_errno(_("Could not open commit-graph '%s'"), graph_name);
|
||||
|
||||
graph = load_commit_graph_one_fd_st(fd, &st);
|
||||
graph = load_commit_graph_one_fd_st(fd, &st, odb);
|
||||
if (!graph)
|
||||
return 1;
|
||||
|
||||
|
|
|
|||
|
|
@ -19,8 +19,8 @@ test_expect_success 'verify graph with no graph file' '
|
|||
|
||||
test_expect_success 'write graph with no packs' '
|
||||
cd "$TRASH_DIRECTORY/full" &&
|
||||
git commit-graph write --object-dir . &&
|
||||
test_path_is_missing info/commit-graph
|
||||
git commit-graph write --object-dir $objdir &&
|
||||
test_path_is_missing $objdir/info/commit-graph
|
||||
'
|
||||
|
||||
test_expect_success 'exit with correct error on bad input to --stdin-packs' '
|
||||
|
|
|
|||
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Ссылка в новой задаче