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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[] = { | |
11 | N_("git commit-graph [--object-dir <objdir>]"), | |
2a2e32bd | 12 | N_("git commit-graph read [--object-dir <objdir>]"), |
3da4b609 | 13 | N_("git commit-graph verify [--object-dir <objdir>] [--shallow]"), |
c2bc6e6a | 14 | N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits] <split options>"), |
f237c8b6 DS |
15 | NULL |
16 | }; | |
17 | ||
283e68c7 | 18 | static const char * const builtin_commit_graph_verify_usage[] = { |
3da4b609 | 19 | N_("git commit-graph verify [--object-dir <objdir>] [--shallow]"), |
283e68c7 DS |
20 | NULL |
21 | }; | |
22 | ||
2a2e32bd DS |
23 | static const char * const builtin_commit_graph_read_usage[] = { |
24 | N_("git commit-graph read [--object-dir <objdir>]"), | |
25 | NULL | |
26 | }; | |
27 | ||
f237c8b6 | 28 | static const char * const builtin_commit_graph_write_usage[] = { |
c2bc6e6a | 29 | N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits] <split options>"), |
4ce58ee3 DS |
30 | NULL |
31 | }; | |
32 | ||
33 | static struct opts_commit_graph { | |
34 | const char *obj_dir; | |
59fb8770 | 35 | int reachable; |
049d51a2 | 36 | int stdin_packs; |
3d5df01b | 37 | int stdin_commits; |
7547b95b | 38 | int append; |
135a7123 | 39 | int split; |
3da4b609 | 40 | int shallow; |
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")), | |
283e68c7 DS |
58 | OPT_END(), |
59 | }; | |
60 | ||
61 | argc = parse_options(argc, argv, NULL, | |
62 | builtin_commit_graph_verify_options, | |
63 | builtin_commit_graph_verify_usage, 0); | |
64 | ||
65 | if (!opts.obj_dir) | |
66 | opts.obj_dir = get_object_directory(); | |
3da4b609 DS |
67 | if (opts.shallow) |
68 | flags |= COMMIT_GRAPH_VERIFY_SHALLOW; | |
283e68c7 DS |
69 | |
70 | graph_name = get_commit_graph_filename(opts.obj_dir); | |
61df89c8 | 71 | open_ok = open_commit_graph(graph_name, &fd, &st); |
3da4b609 | 72 | if (!open_ok && errno != ENOENT) |
7b8ce9c6 | 73 | die_errno(_("Could not open commit-graph '%s'"), graph_name); |
3da4b609 | 74 | |
283e68c7 DS |
75 | FREE_AND_NULL(graph_name); |
76 | ||
3da4b609 DS |
77 | if (open_ok) |
78 | graph = load_commit_graph_one_fd_st(fd, &st); | |
79 | else | |
80 | graph = read_commit_graph_one(the_repository, opts.obj_dir); | |
81 | ||
82 | /* Return failure if open_ok predicted success */ | |
283e68c7 | 83 | if (!graph) |
3da4b609 | 84 | return !!open_ok; |
283e68c7 | 85 | |
0bfb48e6 | 86 | UNLEAK(graph); |
3da4b609 | 87 | return verify_commit_graph(the_repository, graph, flags); |
283e68c7 DS |
88 | } |
89 | ||
2a2e32bd DS |
90 | static int graph_read(int argc, const char **argv) |
91 | { | |
92 | struct commit_graph *graph = NULL; | |
93 | char *graph_name; | |
61df89c8 ÆAB |
94 | int open_ok; |
95 | int fd; | |
96 | struct stat st; | |
2a2e32bd DS |
97 | |
98 | static struct option builtin_commit_graph_read_options[] = { | |
99 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
100 | N_("dir"), | |
101 | N_("The object directory to store the graph")), | |
102 | OPT_END(), | |
103 | }; | |
104 | ||
105 | argc = parse_options(argc, argv, NULL, | |
106 | builtin_commit_graph_read_options, | |
107 | builtin_commit_graph_read_usage, 0); | |
108 | ||
109 | if (!opts.obj_dir) | |
110 | opts.obj_dir = get_object_directory(); | |
111 | ||
112 | graph_name = get_commit_graph_filename(opts.obj_dir); | |
2a2e32bd | 113 | |
61df89c8 ÆAB |
114 | open_ok = open_commit_graph(graph_name, &fd, &st); |
115 | if (!open_ok) | |
116 | die_errno(_("Could not open commit-graph '%s'"), graph_name); | |
117 | ||
67a530fa | 118 | graph = load_commit_graph_one_fd_st(fd, &st); |
0bfb48e6 | 119 | if (!graph) |
61df89c8 | 120 | return 1; |
883e5c7f | 121 | |
2a2e32bd DS |
122 | FREE_AND_NULL(graph_name); |
123 | ||
124 | printf("header: %08x %d %d %d %d\n", | |
125 | ntohl(*(uint32_t*)graph->data), | |
126 | *(unsigned char*)(graph->data + 4), | |
127 | *(unsigned char*)(graph->data + 5), | |
128 | *(unsigned char*)(graph->data + 6), | |
129 | *(unsigned char*)(graph->data + 7)); | |
130 | printf("num_commits: %u\n", graph->num_commits); | |
131 | printf("chunks:"); | |
132 | ||
133 | if (graph->chunk_oid_fanout) | |
134 | printf(" oid_fanout"); | |
135 | if (graph->chunk_oid_lookup) | |
136 | printf(" oid_lookup"); | |
137 | if (graph->chunk_commit_data) | |
138 | printf(" commit_metadata"); | |
5af7417b SG |
139 | if (graph->chunk_extra_edges) |
140 | printf(" extra_edges"); | |
2a2e32bd DS |
141 | printf("\n"); |
142 | ||
0bfb48e6 | 143 | UNLEAK(graph); |
c3756d5b | 144 | |
2a2e32bd DS |
145 | return 0; |
146 | } | |
147 | ||
d6538246 | 148 | extern int read_replace_refs; |
c2bc6e6a | 149 | static struct split_commit_graph_opts split_opts; |
d6538246 | 150 | |
f237c8b6 DS |
151 | static int graph_write(int argc, const char **argv) |
152 | { | |
d88b14b3 DS |
153 | struct string_list *pack_indexes = NULL; |
154 | struct string_list *commit_hex = NULL; | |
155 | struct string_list lines; | |
e103f727 | 156 | int result = 0; |
39d88318 | 157 | enum commit_graph_write_flags flags = COMMIT_GRAPH_WRITE_PROGRESS; |
049d51a2 | 158 | |
f237c8b6 DS |
159 | static struct option builtin_commit_graph_write_options[] = { |
160 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
161 | N_("dir"), | |
162 | N_("The object directory to store the graph")), | |
59fb8770 DS |
163 | OPT_BOOL(0, "reachable", &opts.reachable, |
164 | N_("start walk at all refs")), | |
049d51a2 DS |
165 | OPT_BOOL(0, "stdin-packs", &opts.stdin_packs, |
166 | N_("scan pack-indexes listed by stdin for commits")), | |
3d5df01b DS |
167 | OPT_BOOL(0, "stdin-commits", &opts.stdin_commits, |
168 | N_("start walk at commits listed by stdin")), | |
7547b95b DS |
169 | OPT_BOOL(0, "append", &opts.append, |
170 | N_("include all commits already in the commit-graph file")), | |
135a7123 DS |
171 | OPT_BOOL(0, "split", &opts.split, |
172 | N_("allow writing an incremental commit-graph file")), | |
c2bc6e6a DS |
173 | OPT_INTEGER(0, "max-commits", &split_opts.max_commits, |
174 | N_("maximum number of commits in a non-base split commit-graph")), | |
175 | OPT_INTEGER(0, "size-multiple", &split_opts.size_multiple, | |
176 | N_("maximum ratio between two levels of a split commit-graph")), | |
177 | OPT_EXPIRY_DATE(0, "expire-time", &split_opts.expire_time, | |
178 | N_("maximum number of commits in a non-base split commit-graph")), | |
f237c8b6 DS |
179 | OPT_END(), |
180 | }; | |
181 | ||
c2bc6e6a DS |
182 | split_opts.size_multiple = 2; |
183 | split_opts.max_commits = 0; | |
184 | split_opts.expire_time = 0; | |
185 | ||
f237c8b6 DS |
186 | argc = parse_options(argc, argv, NULL, |
187 | builtin_commit_graph_write_options, | |
188 | builtin_commit_graph_write_usage, 0); | |
189 | ||
59fb8770 DS |
190 | if (opts.reachable + opts.stdin_packs + opts.stdin_commits > 1) |
191 | die(_("use at most one of --reachable, --stdin-commits, or --stdin-packs")); | |
f237c8b6 DS |
192 | if (!opts.obj_dir) |
193 | opts.obj_dir = get_object_directory(); | |
5af80394 | 194 | if (opts.append) |
39d88318 | 195 | flags |= COMMIT_GRAPH_WRITE_APPEND; |
135a7123 | 196 | if (opts.split) |
39d88318 | 197 | flags |= COMMIT_GRAPH_WRITE_SPLIT; |
f237c8b6 | 198 | |
d6538246 DS |
199 | read_replace_refs = 0; |
200 | ||
c2bc6e6a DS |
201 | if (opts.reachable) { |
202 | if (write_commit_graph_reachable(opts.obj_dir, flags, &split_opts)) | |
203 | return 1; | |
204 | return 0; | |
205 | } | |
59fb8770 | 206 | |
d88b14b3 | 207 | string_list_init(&lines, 0); |
3d5df01b | 208 | if (opts.stdin_packs || opts.stdin_commits) { |
049d51a2 | 209 | struct strbuf buf = STRBUF_INIT; |
d88b14b3 DS |
210 | |
211 | while (strbuf_getline(&buf, stdin) != EOF) | |
212 | string_list_append(&lines, strbuf_detach(&buf, NULL)); | |
213 | ||
214 | if (opts.stdin_packs) | |
215 | pack_indexes = &lines; | |
7c5c9b9c | 216 | if (opts.stdin_commits) { |
d88b14b3 | 217 | commit_hex = &lines; |
7c5c9b9c SG |
218 | flags |= COMMIT_GRAPH_WRITE_CHECK_OIDS; |
219 | } | |
0bfb48e6 MÅ |
220 | |
221 | UNLEAK(buf); | |
049d51a2 DS |
222 | } |
223 | ||
e103f727 DS |
224 | if (write_commit_graph(opts.obj_dir, |
225 | pack_indexes, | |
226 | commit_hex, | |
c2bc6e6a DS |
227 | flags, |
228 | &split_opts)) | |
e103f727 | 229 | result = 1; |
049d51a2 | 230 | |
0bfb48e6 | 231 | UNLEAK(lines); |
e103f727 | 232 | return result; |
f237c8b6 | 233 | } |
4ce58ee3 DS |
234 | |
235 | int cmd_commit_graph(int argc, const char **argv, const char *prefix) | |
236 | { | |
237 | static struct option builtin_commit_graph_options[] = { | |
238 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
239 | N_("dir"), | |
240 | N_("The object directory to store the graph")), | |
241 | OPT_END(), | |
242 | }; | |
243 | ||
244 | if (argc == 2 && !strcmp(argv[1], "-h")) | |
245 | usage_with_options(builtin_commit_graph_usage, | |
246 | builtin_commit_graph_options); | |
247 | ||
248 | git_config(git_default_config, NULL); | |
249 | argc = parse_options(argc, argv, prefix, | |
250 | builtin_commit_graph_options, | |
251 | builtin_commit_graph_usage, | |
252 | PARSE_OPT_STOP_AT_NON_OPTION); | |
253 | ||
f237c8b6 | 254 | if (argc > 0) { |
2a2e32bd DS |
255 | if (!strcmp(argv[0], "read")) |
256 | return graph_read(argc, argv); | |
283e68c7 DS |
257 | if (!strcmp(argv[0], "verify")) |
258 | return graph_verify(argc, argv); | |
f237c8b6 DS |
259 | if (!strcmp(argv[0], "write")) |
260 | return graph_write(argc, argv); | |
261 | } | |
262 | ||
4ce58ee3 DS |
263 | usage_with_options(builtin_commit_graph_usage, |
264 | builtin_commit_graph_options); | |
265 | } |