#include "builtin.h"
#include "config.h"
+#include "dir.h"
+#include "lockfile.h"
#include "parse-options.h"
+#include "repository.h"
+#include "commit-graph.h"
static char const * const builtin_commit_graph_usage[] = {
N_("git commit-graph [--object-dir <objdir>]"),
+ N_("git commit-graph read [--object-dir <objdir>]"),
+ N_("git commit-graph verify [--object-dir <objdir>]"),
+ N_("git commit-graph write [--object-dir <objdir>] [--append] [--reachable|--stdin-packs|--stdin-commits]"),
+ NULL
+};
+
+static const char * const builtin_commit_graph_verify_usage[] = {
+ N_("git commit-graph verify [--object-dir <objdir>]"),
+ NULL
+};
+
+static const char * const builtin_commit_graph_read_usage[] = {
+ N_("git commit-graph read [--object-dir <objdir>]"),
+ NULL
+};
+
+static const char * const builtin_commit_graph_write_usage[] = {
+ N_("git commit-graph write [--object-dir <objdir>] [--append] [--reachable|--stdin-packs|--stdin-commits]"),
NULL
};
static struct opts_commit_graph {
const char *obj_dir;
+ int reachable;
+ int stdin_packs;
+ int stdin_commits;
+ int append;
} opts;
+static int graph_verify(int argc, const char **argv)
+{
+ struct commit_graph *graph = NULL;
+ char *graph_name;
+
+ static struct option builtin_commit_graph_verify_options[] = {
+ OPT_STRING(0, "object-dir", &opts.obj_dir,
+ N_("dir"),
+ N_("The object directory to store the graph")),
+ OPT_END(),
+ };
+
+ argc = parse_options(argc, argv, NULL,
+ builtin_commit_graph_verify_options,
+ builtin_commit_graph_verify_usage, 0);
+
+ if (!opts.obj_dir)
+ opts.obj_dir = get_object_directory();
+
+ graph_name = get_commit_graph_filename(opts.obj_dir);
+ graph = load_commit_graph_one(graph_name);
+ FREE_AND_NULL(graph_name);
+
+ if (!graph)
+ return 0;
+
+ UNLEAK(graph);
+ return verify_commit_graph(the_repository, graph);
+}
+
+static int graph_read(int argc, const char **argv)
+{
+ struct commit_graph *graph = NULL;
+ char *graph_name;
+
+ static struct option builtin_commit_graph_read_options[] = {
+ OPT_STRING(0, "object-dir", &opts.obj_dir,
+ N_("dir"),
+ N_("The object directory to store the graph")),
+ OPT_END(),
+ };
+
+ argc = parse_options(argc, argv, NULL,
+ builtin_commit_graph_read_options,
+ builtin_commit_graph_read_usage, 0);
+
+ if (!opts.obj_dir)
+ opts.obj_dir = get_object_directory();
+
+ graph_name = get_commit_graph_filename(opts.obj_dir);
+ graph = load_commit_graph_one(graph_name);
+
+ if (!graph)
+ die("graph file %s does not exist", graph_name);
+
+ FREE_AND_NULL(graph_name);
+
+ printf("header: %08x %d %d %d %d\n",
+ ntohl(*(uint32_t*)graph->data),
+ *(unsigned char*)(graph->data + 4),
+ *(unsigned char*)(graph->data + 5),
+ *(unsigned char*)(graph->data + 6),
+ *(unsigned char*)(graph->data + 7));
+ printf("num_commits: %u\n", graph->num_commits);
+ printf("chunks:");
+
+ if (graph->chunk_oid_fanout)
+ printf(" oid_fanout");
+ if (graph->chunk_oid_lookup)
+ printf(" oid_lookup");
+ if (graph->chunk_commit_data)
+ printf(" commit_metadata");
+ if (graph->chunk_extra_edges)
+ printf(" extra_edges");
+ printf("\n");
+
+ UNLEAK(graph);
+
+ return 0;
+}
+
+extern int read_replace_refs;
+
+static int graph_write(int argc, const char **argv)
+{
+ struct string_list *pack_indexes = NULL;
+ struct string_list *commit_hex = NULL;
+ struct string_list lines;
+
+ static struct option builtin_commit_graph_write_options[] = {
+ OPT_STRING(0, "object-dir", &opts.obj_dir,
+ N_("dir"),
+ N_("The object directory to store the graph")),
+ OPT_BOOL(0, "reachable", &opts.reachable,
+ N_("start walk at all refs")),
+ OPT_BOOL(0, "stdin-packs", &opts.stdin_packs,
+ N_("scan pack-indexes listed by stdin for commits")),
+ OPT_BOOL(0, "stdin-commits", &opts.stdin_commits,
+ N_("start walk at commits listed by stdin")),
+ OPT_BOOL(0, "append", &opts.append,
+ N_("include all commits already in the commit-graph file")),
+ OPT_END(),
+ };
+
+ argc = parse_options(argc, argv, NULL,
+ builtin_commit_graph_write_options,
+ builtin_commit_graph_write_usage, 0);
+
+ if (opts.reachable + opts.stdin_packs + opts.stdin_commits > 1)
+ die(_("use at most one of --reachable, --stdin-commits, or --stdin-packs"));
+ if (!opts.obj_dir)
+ opts.obj_dir = get_object_directory();
+
+ read_replace_refs = 0;
+
+ if (opts.reachable) {
+ write_commit_graph_reachable(opts.obj_dir, opts.append, 1);
+ return 0;
+ }
+
+ string_list_init(&lines, 0);
+ if (opts.stdin_packs || opts.stdin_commits) {
+ struct strbuf buf = STRBUF_INIT;
+
+ while (strbuf_getline(&buf, stdin) != EOF)
+ string_list_append(&lines, strbuf_detach(&buf, NULL));
+
+ if (opts.stdin_packs)
+ pack_indexes = &lines;
+ if (opts.stdin_commits)
+ commit_hex = &lines;
+
+ UNLEAK(buf);
+ }
+
+ write_commit_graph(opts.obj_dir,
+ pack_indexes,
+ commit_hex,
+ opts.append,
+ 1);
+
+ UNLEAK(lines);
+ return 0;
+}
+
int cmd_commit_graph(int argc, const char **argv, const char *prefix)
{
static struct option builtin_commit_graph_options[] = {
builtin_commit_graph_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
+ if (argc > 0) {
+ if (!strcmp(argv[0], "read"))
+ return graph_read(argc, argv);
+ if (!strcmp(argv[0], "verify"))
+ return graph_verify(argc, argv);
+ if (!strcmp(argv[0], "write"))
+ return graph_write(argc, argv);
+ }
+
usage_with_options(builtin_commit_graph_usage,
builtin_commit_graph_options);
}