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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" |
4ce58ee3 DS |
8 | |
9 | static char const * const builtin_commit_graph_usage[] = { | |
10 | N_("git commit-graph [--object-dir <objdir>]"), | |
2a2e32bd | 11 | N_("git commit-graph read [--object-dir <objdir>]"), |
283e68c7 | 12 | N_("git commit-graph verify [--object-dir <objdir>]"), |
c2bc6e6a | 13 | N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits] <split options>"), |
f237c8b6 DS |
14 | NULL |
15 | }; | |
16 | ||
283e68c7 DS |
17 | static const char * const builtin_commit_graph_verify_usage[] = { |
18 | N_("git commit-graph verify [--object-dir <objdir>]"), | |
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[] = { |
c2bc6e6a | 28 | N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits] <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; |
4ce58ee3 DS |
39 | } opts; |
40 | ||
283e68c7 DS |
41 | static int graph_verify(int argc, const char **argv) |
42 | { | |
43 | struct commit_graph *graph = NULL; | |
44 | char *graph_name; | |
61df89c8 ÆAB |
45 | int open_ok; |
46 | int fd; | |
47 | struct stat st; | |
283e68c7 DS |
48 | |
49 | static struct option builtin_commit_graph_verify_options[] = { | |
50 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
51 | N_("dir"), | |
52 | N_("The object directory to store the graph")), | |
53 | OPT_END(), | |
54 | }; | |
55 | ||
56 | argc = parse_options(argc, argv, NULL, | |
57 | builtin_commit_graph_verify_options, | |
58 | builtin_commit_graph_verify_usage, 0); | |
59 | ||
60 | if (!opts.obj_dir) | |
61 | opts.obj_dir = get_object_directory(); | |
62 | ||
63 | graph_name = get_commit_graph_filename(opts.obj_dir); | |
61df89c8 | 64 | open_ok = open_commit_graph(graph_name, &fd, &st); |
7b8ce9c6 | 65 | if (!open_ok && errno == ENOENT) |
61df89c8 | 66 | return 0; |
7b8ce9c6 ÆAB |
67 | if (!open_ok) |
68 | die_errno(_("Could not open commit-graph '%s'"), graph_name); | |
67a530fa | 69 | graph = load_commit_graph_one_fd_st(fd, &st); |
283e68c7 DS |
70 | FREE_AND_NULL(graph_name); |
71 | ||
72 | if (!graph) | |
61df89c8 | 73 | return 1; |
283e68c7 | 74 | |
0bfb48e6 | 75 | UNLEAK(graph); |
283e68c7 DS |
76 | return verify_commit_graph(the_repository, graph); |
77 | } | |
78 | ||
2a2e32bd DS |
79 | static int graph_read(int argc, const char **argv) |
80 | { | |
81 | struct commit_graph *graph = NULL; | |
82 | char *graph_name; | |
61df89c8 ÆAB |
83 | int open_ok; |
84 | int fd; | |
85 | struct stat st; | |
2a2e32bd DS |
86 | |
87 | static struct option builtin_commit_graph_read_options[] = { | |
88 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
89 | N_("dir"), | |
90 | N_("The object directory to store the graph")), | |
91 | OPT_END(), | |
92 | }; | |
93 | ||
94 | argc = parse_options(argc, argv, NULL, | |
95 | builtin_commit_graph_read_options, | |
96 | builtin_commit_graph_read_usage, 0); | |
97 | ||
98 | if (!opts.obj_dir) | |
99 | opts.obj_dir = get_object_directory(); | |
100 | ||
101 | graph_name = get_commit_graph_filename(opts.obj_dir); | |
2a2e32bd | 102 | |
61df89c8 ÆAB |
103 | open_ok = open_commit_graph(graph_name, &fd, &st); |
104 | if (!open_ok) | |
105 | die_errno(_("Could not open commit-graph '%s'"), graph_name); | |
106 | ||
67a530fa | 107 | graph = load_commit_graph_one_fd_st(fd, &st); |
0bfb48e6 | 108 | if (!graph) |
61df89c8 | 109 | return 1; |
883e5c7f | 110 | |
2a2e32bd DS |
111 | FREE_AND_NULL(graph_name); |
112 | ||
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); | |
120 | printf("chunks:"); | |
121 | ||
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"); | |
5af7417b SG |
128 | if (graph->chunk_extra_edges) |
129 | printf(" extra_edges"); | |
2a2e32bd DS |
130 | printf("\n"); |
131 | ||
0bfb48e6 | 132 | UNLEAK(graph); |
c3756d5b | 133 | |
2a2e32bd DS |
134 | return 0; |
135 | } | |
136 | ||
d6538246 | 137 | extern int read_replace_refs; |
c2bc6e6a | 138 | static struct split_commit_graph_opts split_opts; |
d6538246 | 139 | |
f237c8b6 DS |
140 | static int graph_write(int argc, const char **argv) |
141 | { | |
d88b14b3 DS |
142 | struct string_list *pack_indexes = NULL; |
143 | struct string_list *commit_hex = NULL; | |
144 | struct string_list lines; | |
e103f727 | 145 | int result = 0; |
5af80394 | 146 | unsigned int flags = COMMIT_GRAPH_PROGRESS; |
049d51a2 | 147 | |
f237c8b6 DS |
148 | static struct option builtin_commit_graph_write_options[] = { |
149 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
150 | N_("dir"), | |
151 | N_("The object directory to store the graph")), | |
59fb8770 DS |
152 | OPT_BOOL(0, "reachable", &opts.reachable, |
153 | N_("start walk at all refs")), | |
049d51a2 DS |
154 | OPT_BOOL(0, "stdin-packs", &opts.stdin_packs, |
155 | N_("scan pack-indexes listed by stdin for commits")), | |
3d5df01b DS |
156 | OPT_BOOL(0, "stdin-commits", &opts.stdin_commits, |
157 | N_("start walk at commits listed by stdin")), | |
7547b95b DS |
158 | OPT_BOOL(0, "append", &opts.append, |
159 | N_("include all commits already in the commit-graph file")), | |
135a7123 DS |
160 | OPT_BOOL(0, "split", &opts.split, |
161 | N_("allow writing an incremental commit-graph file")), | |
c2bc6e6a DS |
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")), | |
f237c8b6 DS |
168 | OPT_END(), |
169 | }; | |
170 | ||
c2bc6e6a DS |
171 | split_opts.size_multiple = 2; |
172 | split_opts.max_commits = 0; | |
173 | split_opts.expire_time = 0; | |
174 | ||
f237c8b6 DS |
175 | argc = parse_options(argc, argv, NULL, |
176 | builtin_commit_graph_write_options, | |
177 | builtin_commit_graph_write_usage, 0); | |
178 | ||
59fb8770 DS |
179 | if (opts.reachable + opts.stdin_packs + opts.stdin_commits > 1) |
180 | die(_("use at most one of --reachable, --stdin-commits, or --stdin-packs")); | |
f237c8b6 DS |
181 | if (!opts.obj_dir) |
182 | opts.obj_dir = get_object_directory(); | |
5af80394 DS |
183 | if (opts.append) |
184 | flags |= COMMIT_GRAPH_APPEND; | |
135a7123 DS |
185 | if (opts.split) |
186 | flags |= COMMIT_GRAPH_SPLIT; | |
f237c8b6 | 187 | |
d6538246 DS |
188 | read_replace_refs = 0; |
189 | ||
c2bc6e6a DS |
190 | if (opts.reachable) { |
191 | if (write_commit_graph_reachable(opts.obj_dir, flags, &split_opts)) | |
192 | return 1; | |
193 | return 0; | |
194 | } | |
59fb8770 | 195 | |
d88b14b3 | 196 | string_list_init(&lines, 0); |
3d5df01b | 197 | if (opts.stdin_packs || opts.stdin_commits) { |
049d51a2 | 198 | struct strbuf buf = STRBUF_INIT; |
d88b14b3 DS |
199 | |
200 | while (strbuf_getline(&buf, stdin) != EOF) | |
201 | string_list_append(&lines, strbuf_detach(&buf, NULL)); | |
202 | ||
203 | if (opts.stdin_packs) | |
204 | pack_indexes = &lines; | |
205 | if (opts.stdin_commits) | |
206 | commit_hex = &lines; | |
0bfb48e6 MÅ |
207 | |
208 | UNLEAK(buf); | |
049d51a2 DS |
209 | } |
210 | ||
e103f727 DS |
211 | if (write_commit_graph(opts.obj_dir, |
212 | pack_indexes, | |
213 | commit_hex, | |
c2bc6e6a DS |
214 | flags, |
215 | &split_opts)) | |
e103f727 | 216 | result = 1; |
049d51a2 | 217 | |
0bfb48e6 | 218 | UNLEAK(lines); |
e103f727 | 219 | return result; |
f237c8b6 | 220 | } |
4ce58ee3 DS |
221 | |
222 | int cmd_commit_graph(int argc, const char **argv, const char *prefix) | |
223 | { | |
224 | static struct option builtin_commit_graph_options[] = { | |
225 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
226 | N_("dir"), | |
227 | N_("The object directory to store the graph")), | |
228 | OPT_END(), | |
229 | }; | |
230 | ||
231 | if (argc == 2 && !strcmp(argv[1], "-h")) | |
232 | usage_with_options(builtin_commit_graph_usage, | |
233 | builtin_commit_graph_options); | |
234 | ||
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); | |
240 | ||
f237c8b6 | 241 | if (argc > 0) { |
2a2e32bd DS |
242 | if (!strcmp(argv[0], "read")) |
243 | return graph_read(argc, argv); | |
283e68c7 DS |
244 | if (!strcmp(argv[0], "verify")) |
245 | return graph_verify(argc, argv); | |
f237c8b6 DS |
246 | if (!strcmp(argv[0], "write")) |
247 | return graph_write(argc, argv); | |
248 | } | |
249 | ||
4ce58ee3 DS |
250 | usage_with_options(builtin_commit_graph_usage, |
251 | builtin_commit_graph_options); | |
252 | } |