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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>]"), |
59fb8770 | 13 | N_("git commit-graph write [--object-dir <objdir>] [--append] [--reachable|--stdin-packs|--stdin-commits]"), |
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[] = { |
59fb8770 | 28 | N_("git commit-graph write [--object-dir <objdir>] [--append] [--reachable|--stdin-packs|--stdin-commits]"), |
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; |
4ce58ee3 DS |
38 | } opts; |
39 | ||
283e68c7 DS |
40 | |
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 ÆAB |
64 | open_ok = open_commit_graph(graph_name, &fd, &st); |
65 | if (!open_ok) | |
66 | return 0; | |
67 | graph = load_commit_graph_one_fd_st(graph_name, fd, &st); | |
283e68c7 DS |
68 | FREE_AND_NULL(graph_name); |
69 | ||
70 | if (!graph) | |
61df89c8 | 71 | return 1; |
283e68c7 | 72 | |
0bfb48e6 | 73 | UNLEAK(graph); |
283e68c7 DS |
74 | return verify_commit_graph(the_repository, graph); |
75 | } | |
76 | ||
2a2e32bd DS |
77 | static int graph_read(int argc, const char **argv) |
78 | { | |
79 | struct commit_graph *graph = NULL; | |
80 | char *graph_name; | |
61df89c8 ÆAB |
81 | int open_ok; |
82 | int fd; | |
83 | struct stat st; | |
2a2e32bd DS |
84 | |
85 | static struct option builtin_commit_graph_read_options[] = { | |
86 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
87 | N_("dir"), | |
88 | N_("The object directory to store the graph")), | |
89 | OPT_END(), | |
90 | }; | |
91 | ||
92 | argc = parse_options(argc, argv, NULL, | |
93 | builtin_commit_graph_read_options, | |
94 | builtin_commit_graph_read_usage, 0); | |
95 | ||
96 | if (!opts.obj_dir) | |
97 | opts.obj_dir = get_object_directory(); | |
98 | ||
99 | graph_name = get_commit_graph_filename(opts.obj_dir); | |
2a2e32bd | 100 | |
61df89c8 ÆAB |
101 | open_ok = open_commit_graph(graph_name, &fd, &st); |
102 | if (!open_ok) | |
103 | die_errno(_("Could not open commit-graph '%s'"), graph_name); | |
104 | ||
105 | graph = load_commit_graph_one_fd_st(graph_name, fd, &st); | |
0bfb48e6 | 106 | if (!graph) |
61df89c8 | 107 | return 1; |
883e5c7f | 108 | |
2a2e32bd DS |
109 | FREE_AND_NULL(graph_name); |
110 | ||
111 | printf("header: %08x %d %d %d %d\n", | |
112 | ntohl(*(uint32_t*)graph->data), | |
113 | *(unsigned char*)(graph->data + 4), | |
114 | *(unsigned char*)(graph->data + 5), | |
115 | *(unsigned char*)(graph->data + 6), | |
116 | *(unsigned char*)(graph->data + 7)); | |
117 | printf("num_commits: %u\n", graph->num_commits); | |
118 | printf("chunks:"); | |
119 | ||
120 | if (graph->chunk_oid_fanout) | |
121 | printf(" oid_fanout"); | |
122 | if (graph->chunk_oid_lookup) | |
123 | printf(" oid_lookup"); | |
124 | if (graph->chunk_commit_data) | |
125 | printf(" commit_metadata"); | |
5af7417b SG |
126 | if (graph->chunk_extra_edges) |
127 | printf(" extra_edges"); | |
2a2e32bd DS |
128 | printf("\n"); |
129 | ||
0bfb48e6 | 130 | UNLEAK(graph); |
c3756d5b | 131 | |
2a2e32bd DS |
132 | return 0; |
133 | } | |
134 | ||
d6538246 DS |
135 | extern int read_replace_refs; |
136 | ||
f237c8b6 DS |
137 | static int graph_write(int argc, const char **argv) |
138 | { | |
d88b14b3 DS |
139 | struct string_list *pack_indexes = NULL; |
140 | struct string_list *commit_hex = NULL; | |
141 | struct string_list lines; | |
049d51a2 | 142 | |
f237c8b6 DS |
143 | static struct option builtin_commit_graph_write_options[] = { |
144 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
145 | N_("dir"), | |
146 | N_("The object directory to store the graph")), | |
59fb8770 DS |
147 | OPT_BOOL(0, "reachable", &opts.reachable, |
148 | N_("start walk at all refs")), | |
049d51a2 DS |
149 | OPT_BOOL(0, "stdin-packs", &opts.stdin_packs, |
150 | N_("scan pack-indexes listed by stdin for commits")), | |
3d5df01b DS |
151 | OPT_BOOL(0, "stdin-commits", &opts.stdin_commits, |
152 | N_("start walk at commits listed by stdin")), | |
7547b95b DS |
153 | OPT_BOOL(0, "append", &opts.append, |
154 | N_("include all commits already in the commit-graph file")), | |
f237c8b6 DS |
155 | OPT_END(), |
156 | }; | |
157 | ||
158 | argc = parse_options(argc, argv, NULL, | |
159 | builtin_commit_graph_write_options, | |
160 | builtin_commit_graph_write_usage, 0); | |
161 | ||
59fb8770 DS |
162 | if (opts.reachable + opts.stdin_packs + opts.stdin_commits > 1) |
163 | die(_("use at most one of --reachable, --stdin-commits, or --stdin-packs")); | |
f237c8b6 DS |
164 | if (!opts.obj_dir) |
165 | opts.obj_dir = get_object_directory(); | |
166 | ||
d6538246 DS |
167 | read_replace_refs = 0; |
168 | ||
59fb8770 | 169 | if (opts.reachable) { |
7b0f2292 | 170 | write_commit_graph_reachable(opts.obj_dir, opts.append, 1); |
59fb8770 DS |
171 | return 0; |
172 | } | |
173 | ||
d88b14b3 | 174 | string_list_init(&lines, 0); |
3d5df01b | 175 | if (opts.stdin_packs || opts.stdin_commits) { |
049d51a2 | 176 | struct strbuf buf = STRBUF_INIT; |
d88b14b3 DS |
177 | |
178 | while (strbuf_getline(&buf, stdin) != EOF) | |
179 | string_list_append(&lines, strbuf_detach(&buf, NULL)); | |
180 | ||
181 | if (opts.stdin_packs) | |
182 | pack_indexes = &lines; | |
183 | if (opts.stdin_commits) | |
184 | commit_hex = &lines; | |
0bfb48e6 MÅ |
185 | |
186 | UNLEAK(buf); | |
049d51a2 DS |
187 | } |
188 | ||
189 | write_commit_graph(opts.obj_dir, | |
190 | pack_indexes, | |
3d5df01b | 191 | commit_hex, |
7b0f2292 ÆAB |
192 | opts.append, |
193 | 1); | |
049d51a2 | 194 | |
0bfb48e6 | 195 | UNLEAK(lines); |
f237c8b6 DS |
196 | return 0; |
197 | } | |
4ce58ee3 DS |
198 | |
199 | int cmd_commit_graph(int argc, const char **argv, const char *prefix) | |
200 | { | |
201 | static struct option builtin_commit_graph_options[] = { | |
202 | OPT_STRING(0, "object-dir", &opts.obj_dir, | |
203 | N_("dir"), | |
204 | N_("The object directory to store the graph")), | |
205 | OPT_END(), | |
206 | }; | |
207 | ||
208 | if (argc == 2 && !strcmp(argv[1], "-h")) | |
209 | usage_with_options(builtin_commit_graph_usage, | |
210 | builtin_commit_graph_options); | |
211 | ||
212 | git_config(git_default_config, NULL); | |
213 | argc = parse_options(argc, argv, prefix, | |
214 | builtin_commit_graph_options, | |
215 | builtin_commit_graph_usage, | |
216 | PARSE_OPT_STOP_AT_NON_OPTION); | |
217 | ||
f237c8b6 | 218 | if (argc > 0) { |
2a2e32bd DS |
219 | if (!strcmp(argv[0], "read")) |
220 | return graph_read(argc, argv); | |
283e68c7 DS |
221 | if (!strcmp(argv[0], "verify")) |
222 | return graph_verify(argc, argv); | |
f237c8b6 DS |
223 | if (!strcmp(argv[0], "write")) |
224 | return graph_write(argc, argv); | |
225 | } | |
226 | ||
4ce58ee3 DS |
227 | usage_with_options(builtin_commit_graph_usage, |
228 | builtin_commit_graph_options); | |
229 | } |