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Commit | Line | Data |
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4ce58ee3 DS |
1 | #include "builtin.h" |
2 | #include "config.h" | |
f237c8b6 DS |
3 | #include "dir.h" |
4 | #include "lockfile.h" | |
4ce58ee3 | 5 | #include "parse-options.h" |
283e68c7 | 6 | #include "repository.h" |
f237c8b6 | 7 | #include "commit-graph.h" |
3da4b609 | 8 | #include "object-store.h" |
4ce58ee3 DS |
9 | |
10 | static char const * const builtin_commit_graph_usage[] = { | |
2a2e32bd | 11 | N_("git commit-graph read [--object-dir <objdir>]"), |
73716122 GS |
12 | N_("git commit-graph verify [--object-dir <objdir>] [--shallow] [--[no-]progress]"), |
13 | N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits] [--[no-]progress] <split options>"), | |
f237c8b6 DS |
14 | NULL |
15 | }; | |
16 | ||
283e68c7 | 17 | static const char * const builtin_commit_graph_verify_usage[] = { |
73716122 | 18 | N_("git commit-graph verify [--object-dir <objdir>] [--shallow] [--[no-]progress]"), |
283e68c7 DS |
19 | NULL |
20 | }; | |
21 | ||
2a2e32bd DS |
22 | static const char * const builtin_commit_graph_read_usage[] = { |
23 | N_("git commit-graph read [--object-dir <objdir>]"), | |
24 | NULL | |
25 | }; | |
26 | ||
f237c8b6 | 27 | static const char * const builtin_commit_graph_write_usage[] = { |
73716122 | 28 | N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits] [--[no-]progress] <split options>"), |
4ce58ee3 DS |
29 | NULL |
30 | }; | |
31 | ||
32 | static struct opts_commit_graph { | |
33 | const char *obj_dir; | |
59fb8770 | 34 | int reachable; |
049d51a2 | 35 | int stdin_packs; |
3d5df01b | 36 | int stdin_commits; |
7547b95b | 37 | int append; |
135a7123 | 38 | int split; |
3da4b609 | 39 | int shallow; |
73716122 | 40 | int progress; |
4ce58ee3 DS |
41 | } opts; |
42 | ||
283e68c7 DS |
43 | static int graph_verify(int argc, const char **argv) |
44 | { | |
45 | struct commit_graph *graph = NULL; | |
46 | char *graph_name; | |
61df89c8 ÆAB |
47 | int open_ok; |
48 | int fd; | |
49 | struct stat st; | |
3da4b609 | 50 | int flags = 0; |
283e68c7 DS |
51 | |
52 | static struct option builtin_commit_graph_verify_options[] = { | |
53 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
54 | N_("dir"), | |
55 | N_("The object directory to store the graph")), | |
3da4b609 DS |
56 | OPT_BOOL(0, "shallow", &opts.shallow, |
57 | N_("if the commit-graph is split, only verify the tip file")), | |
73716122 | 58 | OPT_BOOL(0, "progress", &opts.progress, N_("force progress reporting")), |
283e68c7 DS |
59 | OPT_END(), |
60 | }; | |
61 | ||
0bd7f578 GS |
62 | trace2_cmd_mode("verify"); |
63 | ||
73716122 | 64 | opts.progress = isatty(2); |
283e68c7 DS |
65 | argc = parse_options(argc, argv, NULL, |
66 | builtin_commit_graph_verify_options, | |
67 | builtin_commit_graph_verify_usage, 0); | |
68 | ||
69 | if (!opts.obj_dir) | |
70 | opts.obj_dir = get_object_directory(); | |
3da4b609 DS |
71 | if (opts.shallow) |
72 | flags |= COMMIT_GRAPH_VERIFY_SHALLOW; | |
73716122 GS |
73 | if (opts.progress) |
74 | flags |= COMMIT_GRAPH_WRITE_PROGRESS; | |
283e68c7 DS |
75 | |
76 | graph_name = get_commit_graph_filename(opts.obj_dir); | |
61df89c8 | 77 | open_ok = open_commit_graph(graph_name, &fd, &st); |
3da4b609 | 78 | if (!open_ok && errno != ENOENT) |
7b8ce9c6 | 79 | die_errno(_("Could not open commit-graph '%s'"), graph_name); |
3da4b609 | 80 | |
283e68c7 DS |
81 | FREE_AND_NULL(graph_name); |
82 | ||
3da4b609 DS |
83 | if (open_ok) |
84 | graph = load_commit_graph_one_fd_st(fd, &st); | |
85 | else | |
86 | graph = read_commit_graph_one(the_repository, opts.obj_dir); | |
87 | ||
88 | /* Return failure if open_ok predicted success */ | |
283e68c7 | 89 | if (!graph) |
3da4b609 | 90 | return !!open_ok; |
283e68c7 | 91 | |
0bfb48e6 | 92 | UNLEAK(graph); |
3da4b609 | 93 | return verify_commit_graph(the_repository, graph, flags); |
283e68c7 DS |
94 | } |
95 | ||
2a2e32bd DS |
96 | static int graph_read(int argc, const char **argv) |
97 | { | |
98 | struct commit_graph *graph = NULL; | |
99 | char *graph_name; | |
61df89c8 ÆAB |
100 | int open_ok; |
101 | int fd; | |
102 | struct stat st; | |
2a2e32bd DS |
103 | |
104 | static struct option builtin_commit_graph_read_options[] = { | |
105 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
106 | N_("dir"), | |
107 | N_("The object directory to store the graph")), | |
108 | OPT_END(), | |
109 | }; | |
110 | ||
0bd7f578 GS |
111 | trace2_cmd_mode("read"); |
112 | ||
2a2e32bd DS |
113 | argc = parse_options(argc, argv, NULL, |
114 | builtin_commit_graph_read_options, | |
115 | builtin_commit_graph_read_usage, 0); | |
116 | ||
117 | if (!opts.obj_dir) | |
118 | opts.obj_dir = get_object_directory(); | |
119 | ||
120 | graph_name = get_commit_graph_filename(opts.obj_dir); | |
2a2e32bd | 121 | |
61df89c8 ÆAB |
122 | open_ok = open_commit_graph(graph_name, &fd, &st); |
123 | if (!open_ok) | |
124 | die_errno(_("Could not open commit-graph '%s'"), graph_name); | |
125 | ||
67a530fa | 126 | graph = load_commit_graph_one_fd_st(fd, &st); |
0bfb48e6 | 127 | if (!graph) |
61df89c8 | 128 | return 1; |
883e5c7f | 129 | |
2a2e32bd DS |
130 | FREE_AND_NULL(graph_name); |
131 | ||
132 | printf("header: %08x %d %d %d %d\n", | |
133 | ntohl(*(uint32_t*)graph->data), | |
134 | *(unsigned char*)(graph->data + 4), | |
135 | *(unsigned char*)(graph->data + 5), | |
136 | *(unsigned char*)(graph->data + 6), | |
137 | *(unsigned char*)(graph->data + 7)); | |
138 | printf("num_commits: %u\n", graph->num_commits); | |
139 | printf("chunks:"); | |
140 | ||
141 | if (graph->chunk_oid_fanout) | |
142 | printf(" oid_fanout"); | |
143 | if (graph->chunk_oid_lookup) | |
144 | printf(" oid_lookup"); | |
145 | if (graph->chunk_commit_data) | |
146 | printf(" commit_metadata"); | |
5af7417b SG |
147 | if (graph->chunk_extra_edges) |
148 | printf(" extra_edges"); | |
2a2e32bd DS |
149 | printf("\n"); |
150 | ||
0bfb48e6 | 151 | UNLEAK(graph); |
c3756d5b | 152 | |
2a2e32bd DS |
153 | return 0; |
154 | } | |
155 | ||
d6538246 | 156 | extern int read_replace_refs; |
c2bc6e6a | 157 | static struct split_commit_graph_opts split_opts; |
d6538246 | 158 | |
f237c8b6 DS |
159 | static int graph_write(int argc, const char **argv) |
160 | { | |
d88b14b3 DS |
161 | struct string_list *pack_indexes = NULL; |
162 | struct string_list *commit_hex = NULL; | |
163 | struct string_list lines; | |
e103f727 | 164 | int result = 0; |
73716122 | 165 | enum commit_graph_write_flags flags = 0; |
049d51a2 | 166 | |
f237c8b6 DS |
167 | static struct option builtin_commit_graph_write_options[] = { |
168 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
169 | N_("dir"), | |
170 | N_("The object directory to store the graph")), | |
59fb8770 DS |
171 | OPT_BOOL(0, "reachable", &opts.reachable, |
172 | N_("start walk at all refs")), | |
049d51a2 DS |
173 | OPT_BOOL(0, "stdin-packs", &opts.stdin_packs, |
174 | N_("scan pack-indexes listed by stdin for commits")), | |
3d5df01b DS |
175 | OPT_BOOL(0, "stdin-commits", &opts.stdin_commits, |
176 | N_("start walk at commits listed by stdin")), | |
7547b95b DS |
177 | OPT_BOOL(0, "append", &opts.append, |
178 | N_("include all commits already in the commit-graph file")), | |
73716122 | 179 | OPT_BOOL(0, "progress", &opts.progress, N_("force progress reporting")), |
135a7123 DS |
180 | OPT_BOOL(0, "split", &opts.split, |
181 | N_("allow writing an incremental commit-graph file")), | |
c2bc6e6a DS |
182 | OPT_INTEGER(0, "max-commits", &split_opts.max_commits, |
183 | N_("maximum number of commits in a non-base split commit-graph")), | |
184 | OPT_INTEGER(0, "size-multiple", &split_opts.size_multiple, | |
185 | N_("maximum ratio between two levels of a split commit-graph")), | |
186 | OPT_EXPIRY_DATE(0, "expire-time", &split_opts.expire_time, | |
187 | N_("maximum number of commits in a non-base split commit-graph")), | |
f237c8b6 DS |
188 | OPT_END(), |
189 | }; | |
190 | ||
73716122 | 191 | opts.progress = isatty(2); |
c2bc6e6a DS |
192 | split_opts.size_multiple = 2; |
193 | split_opts.max_commits = 0; | |
194 | split_opts.expire_time = 0; | |
195 | ||
0bd7f578 GS |
196 | trace2_cmd_mode("write"); |
197 | ||
f237c8b6 DS |
198 | argc = parse_options(argc, argv, NULL, |
199 | builtin_commit_graph_write_options, | |
200 | builtin_commit_graph_write_usage, 0); | |
201 | ||
59fb8770 DS |
202 | if (opts.reachable + opts.stdin_packs + opts.stdin_commits > 1) |
203 | die(_("use at most one of --reachable, --stdin-commits, or --stdin-packs")); | |
f237c8b6 DS |
204 | if (!opts.obj_dir) |
205 | opts.obj_dir = get_object_directory(); | |
5af80394 | 206 | if (opts.append) |
39d88318 | 207 | flags |= COMMIT_GRAPH_WRITE_APPEND; |
135a7123 | 208 | if (opts.split) |
39d88318 | 209 | flags |= COMMIT_GRAPH_WRITE_SPLIT; |
73716122 GS |
210 | if (opts.progress) |
211 | flags |= COMMIT_GRAPH_WRITE_PROGRESS; | |
f237c8b6 | 212 | |
d6538246 DS |
213 | read_replace_refs = 0; |
214 | ||
c2bc6e6a DS |
215 | if (opts.reachable) { |
216 | if (write_commit_graph_reachable(opts.obj_dir, flags, &split_opts)) | |
217 | return 1; | |
218 | return 0; | |
219 | } | |
59fb8770 | 220 | |
d88b14b3 | 221 | string_list_init(&lines, 0); |
3d5df01b | 222 | if (opts.stdin_packs || opts.stdin_commits) { |
049d51a2 | 223 | struct strbuf buf = STRBUF_INIT; |
d88b14b3 DS |
224 | |
225 | while (strbuf_getline(&buf, stdin) != EOF) | |
226 | string_list_append(&lines, strbuf_detach(&buf, NULL)); | |
227 | ||
228 | if (opts.stdin_packs) | |
229 | pack_indexes = &lines; | |
7c5c9b9c | 230 | if (opts.stdin_commits) { |
d88b14b3 | 231 | commit_hex = &lines; |
7c5c9b9c SG |
232 | flags |= COMMIT_GRAPH_WRITE_CHECK_OIDS; |
233 | } | |
0bfb48e6 MÅ |
234 | |
235 | UNLEAK(buf); | |
049d51a2 DS |
236 | } |
237 | ||
e103f727 DS |
238 | if (write_commit_graph(opts.obj_dir, |
239 | pack_indexes, | |
240 | commit_hex, | |
c2bc6e6a DS |
241 | flags, |
242 | &split_opts)) | |
e103f727 | 243 | result = 1; |
049d51a2 | 244 | |
0bfb48e6 | 245 | UNLEAK(lines); |
e103f727 | 246 | return result; |
f237c8b6 | 247 | } |
4ce58ee3 DS |
248 | |
249 | int cmd_commit_graph(int argc, const char **argv, const char *prefix) | |
250 | { | |
251 | static struct option builtin_commit_graph_options[] = { | |
252 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
253 | N_("dir"), | |
254 | N_("The object directory to store the graph")), | |
255 | OPT_END(), | |
256 | }; | |
257 | ||
258 | if (argc == 2 && !strcmp(argv[1], "-h")) | |
259 | usage_with_options(builtin_commit_graph_usage, | |
260 | builtin_commit_graph_options); | |
261 | ||
262 | git_config(git_default_config, NULL); | |
263 | argc = parse_options(argc, argv, prefix, | |
264 | builtin_commit_graph_options, | |
265 | builtin_commit_graph_usage, | |
266 | PARSE_OPT_STOP_AT_NON_OPTION); | |
267 | ||
dd2e50a8 JK |
268 | save_commit_buffer = 0; |
269 | ||
f237c8b6 | 270 | if (argc > 0) { |
2a2e32bd DS |
271 | if (!strcmp(argv[0], "read")) |
272 | return graph_read(argc, argv); | |
283e68c7 DS |
273 | if (!strcmp(argv[0], "verify")) |
274 | return graph_verify(argc, argv); | |
f237c8b6 DS |
275 | if (!strcmp(argv[0], "write")) |
276 | return graph_write(argc, argv); | |
277 | } | |
278 | ||
4ce58ee3 DS |
279 | usage_with_options(builtin_commit_graph_usage, |
280 | builtin_commit_graph_options); | |
281 | } |