5 #include "parse-options.h"
6 #include "repository.h"
7 #include "commit-graph.h"
9 static char const * const builtin_commit_graph_usage
[] = {
10 N_("git commit-graph [--object-dir <objdir>]"),
11 N_("git commit-graph read [--object-dir <objdir>]"),
12 N_("git commit-graph verify [--object-dir <objdir>]"),
13 N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits] <split options>"),
17 static const char * const builtin_commit_graph_verify_usage
[] = {
18 N_("git commit-graph verify [--object-dir <objdir>]"),
22 static const char * const builtin_commit_graph_read_usage
[] = {
23 N_("git commit-graph read [--object-dir <objdir>]"),
27 static const char * const builtin_commit_graph_write_usage
[] = {
28 N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits] <split options>"),
32 static struct opts_commit_graph
{
41 static int graph_verify(int argc
, const char **argv
)
43 struct commit_graph
*graph
= NULL
;
49 static struct option builtin_commit_graph_verify_options
[] = {
50 OPT_STRING(0, "object-dir", &opts
.obj_dir
,
52 N_("The object directory to store the graph")),
56 argc
= parse_options(argc
, argv
, NULL
,
57 builtin_commit_graph_verify_options
,
58 builtin_commit_graph_verify_usage
, 0);
61 opts
.obj_dir
= get_object_directory();
63 graph_name
= get_commit_graph_filename(opts
.obj_dir
);
64 open_ok
= open_commit_graph(graph_name
, &fd
, &st
);
65 if (!open_ok
&& errno
== ENOENT
)
68 die_errno(_("Could not open commit-graph '%s'"), graph_name
);
69 graph
= load_commit_graph_one_fd_st(fd
, &st
);
70 FREE_AND_NULL(graph_name
);
76 return verify_commit_graph(the_repository
, graph
);
79 static int graph_read(int argc
, const char **argv
)
81 struct commit_graph
*graph
= NULL
;
87 static struct option builtin_commit_graph_read_options
[] = {
88 OPT_STRING(0, "object-dir", &opts
.obj_dir
,
90 N_("The object directory to store the graph")),
94 argc
= parse_options(argc
, argv
, NULL
,
95 builtin_commit_graph_read_options
,
96 builtin_commit_graph_read_usage
, 0);
99 opts
.obj_dir
= get_object_directory();
101 graph_name
= get_commit_graph_filename(opts
.obj_dir
);
103 open_ok
= open_commit_graph(graph_name
, &fd
, &st
);
105 die_errno(_("Could not open commit-graph '%s'"), graph_name
);
107 graph
= load_commit_graph_one_fd_st(fd
, &st
);
111 FREE_AND_NULL(graph_name
);
113 printf("header: %08x %d %d %d %d\n",
114 ntohl(*(uint32_t*)graph
->data
),
115 *(unsigned char*)(graph
->data
+ 4),
116 *(unsigned char*)(graph
->data
+ 5),
117 *(unsigned char*)(graph
->data
+ 6),
118 *(unsigned char*)(graph
->data
+ 7));
119 printf("num_commits: %u\n", graph
->num_commits
);
122 if (graph
->chunk_oid_fanout
)
123 printf(" oid_fanout");
124 if (graph
->chunk_oid_lookup
)
125 printf(" oid_lookup");
126 if (graph
->chunk_commit_data
)
127 printf(" commit_metadata");
128 if (graph
->chunk_extra_edges
)
129 printf(" extra_edges");
137 extern int read_replace_refs
;
138 static struct split_commit_graph_opts split_opts
;
140 static int graph_write(int argc
, const char **argv
)
142 struct string_list
*pack_indexes
= NULL
;
143 struct string_list
*commit_hex
= NULL
;
144 struct string_list lines
;
146 unsigned int flags
= COMMIT_GRAPH_PROGRESS
;
148 static struct option builtin_commit_graph_write_options
[] = {
149 OPT_STRING(0, "object-dir", &opts
.obj_dir
,
151 N_("The object directory to store the graph")),
152 OPT_BOOL(0, "reachable", &opts
.reachable
,
153 N_("start walk at all refs")),
154 OPT_BOOL(0, "stdin-packs", &opts
.stdin_packs
,
155 N_("scan pack-indexes listed by stdin for commits")),
156 OPT_BOOL(0, "stdin-commits", &opts
.stdin_commits
,
157 N_("start walk at commits listed by stdin")),
158 OPT_BOOL(0, "append", &opts
.append
,
159 N_("include all commits already in the commit-graph file")),
160 OPT_BOOL(0, "split", &opts
.split
,
161 N_("allow writing an incremental commit-graph file")),
162 OPT_INTEGER(0, "max-commits", &split_opts
.max_commits
,
163 N_("maximum number of commits in a non-base split commit-graph")),
164 OPT_INTEGER(0, "size-multiple", &split_opts
.size_multiple
,
165 N_("maximum ratio between two levels of a split commit-graph")),
166 OPT_EXPIRY_DATE(0, "expire-time", &split_opts
.expire_time
,
167 N_("maximum number of commits in a non-base split commit-graph")),
171 split_opts
.size_multiple
= 2;
172 split_opts
.max_commits
= 0;
173 split_opts
.expire_time
= 0;
175 argc
= parse_options(argc
, argv
, NULL
,
176 builtin_commit_graph_write_options
,
177 builtin_commit_graph_write_usage
, 0);
179 if (opts
.reachable
+ opts
.stdin_packs
+ opts
.stdin_commits
> 1)
180 die(_("use at most one of --reachable, --stdin-commits, or --stdin-packs"));
182 opts
.obj_dir
= get_object_directory();
184 flags
|= COMMIT_GRAPH_APPEND
;
186 flags
|= COMMIT_GRAPH_SPLIT
;
188 read_replace_refs
= 0;
190 if (opts
.reachable
) {
191 if (write_commit_graph_reachable(opts
.obj_dir
, flags
, &split_opts
))
196 string_list_init(&lines
, 0);
197 if (opts
.stdin_packs
|| opts
.stdin_commits
) {
198 struct strbuf buf
= STRBUF_INIT
;
200 while (strbuf_getline(&buf
, stdin
) != EOF
)
201 string_list_append(&lines
, strbuf_detach(&buf
, NULL
));
203 if (opts
.stdin_packs
)
204 pack_indexes
= &lines
;
205 if (opts
.stdin_commits
)
211 if (write_commit_graph(opts
.obj_dir
,
222 int cmd_commit_graph(int argc
, const char **argv
, const char *prefix
)
224 static struct option builtin_commit_graph_options
[] = {
225 OPT_STRING(0, "object-dir", &opts
.obj_dir
,
227 N_("The object directory to store the graph")),
231 if (argc
== 2 && !strcmp(argv
[1], "-h"))
232 usage_with_options(builtin_commit_graph_usage
,
233 builtin_commit_graph_options
);
235 git_config(git_default_config
, NULL
);
236 argc
= parse_options(argc
, argv
, prefix
,
237 builtin_commit_graph_options
,
238 builtin_commit_graph_usage
,
239 PARSE_OPT_STOP_AT_NON_OPTION
);
242 if (!strcmp(argv
[0], "read"))
243 return graph_read(argc
, argv
);
244 if (!strcmp(argv
[0], "verify"))
245 return graph_verify(argc
, argv
);
246 if (!strcmp(argv
[0], "write"))
247 return graph_write(argc
, argv
);
250 usage_with_options(builtin_commit_graph_usage
,
251 builtin_commit_graph_options
);