freshlybakedca.ke
Git fork
1#define USE_THE_REPOSITORY_VARIABLE
2#define DISABLE_SIGN_COMPARE_WARNINGS
3
4#include "builtin.h"
5#include "gettext.h"
6#include "hex.h"
7#include "object-file.h"
8#include "pkt-line.h"
9#include "fetch-pack.h"
10#include "remote.h"
11#include "connect.h"
12#include "oid-array.h"
13#include "protocol.h"
14
15static const char fetch_pack_usage[] =
16"git fetch-pack [--all] [--stdin] [--quiet | -q] [--keep | -k] [--thin] "
17"[--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] "
18"[--no-progress] [--diag-url] [-v] [<host>:]<directory> [<refs>...]";
19
20static void add_sought_entry(struct ref ***sought, int *nr, int *alloc,
21 const char *name)
22{
23 struct ref *ref;
24 struct object_id oid;
25 const char *p;
26
27 if (!parse_oid_hex(name, &oid, &p)) {
28 if (*p == ' ') {
29 /* <oid> <ref>, find refname */
30 name = p + 1;
31 } else if (*p == '\0') {
32 ; /* <oid>, leave oid as name */
33 } else {
34 /* <ref>, clear cruft from oid */
35 oidclr(&oid, the_repository->hash_algo);
36 }
37 } else {
38 /* <ref>, clear cruft from get_oid_hex */
39 oidclr(&oid, the_repository->hash_algo);
40 }
41
42 ref = alloc_ref(name);
43 oidcpy(&ref->old_oid, &oid);
44 (*nr)++;
45 ALLOC_GROW(*sought, *nr, *alloc);
46 (*sought)[*nr - 1] = ref;
47}
48
49int cmd_fetch_pack(int argc,
50 const char **argv,
51 const char *prefix UNUSED,
52 struct repository *repo UNUSED)
53{
54 int i, ret;
55 struct ref *fetched_refs = NULL, *remote_refs = NULL;
56 const char *dest = NULL;
57 struct ref **sought = NULL;
58 struct ref **sought_to_free = NULL;
59 int nr_sought = 0, alloc_sought = 0;
60 int fd[2];
61 struct string_list pack_lockfiles = STRING_LIST_INIT_DUP;
62 struct string_list *pack_lockfiles_ptr = NULL;
63 struct child_process *conn;
64 struct fetch_pack_args args;
65 struct oid_array shallow = OID_ARRAY_INIT;
66 struct string_list deepen_not = STRING_LIST_INIT_DUP;
67 struct packet_reader reader;
68 enum protocol_version version;
69
70 fetch_if_missing = 0;
71
72 packet_trace_identity("fetch-pack");
73
74 memset(&args, 0, sizeof(args));
75 list_objects_filter_init(&args.filter_options);
76 args.uploadpack = "git-upload-pack";
77
78 show_usage_if_asked(argc, argv, fetch_pack_usage);
79
80 for (i = 1; i < argc && *argv[i] == '-'; i++) {
81 const char *arg = argv[i];
82
83 if (skip_prefix(arg, "--upload-pack=", &arg)) {
84 args.uploadpack = arg;
85 continue;
86 }
87 if (skip_prefix(arg, "--exec=", &arg)) {
88 args.uploadpack = arg;
89 continue;
90 }
91 if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
92 args.quiet = 1;
93 continue;
94 }
95 if (!strcmp("--keep", arg) || !strcmp("-k", arg)) {
96 args.lock_pack = args.keep_pack;
97 args.keep_pack = 1;
98 continue;
99 }
100 if (!strcmp("--thin", arg)) {
101 args.use_thin_pack = 1;
102 continue;
103 }
104 if (!strcmp("--include-tag", arg)) {
105 args.include_tag = 1;
106 continue;
107 }
108 if (!strcmp("--all", arg)) {
109 args.fetch_all = 1;
110 continue;
111 }
112 if (!strcmp("--stdin", arg)) {
113 args.stdin_refs = 1;
114 continue;
115 }
116 if (!strcmp("--diag-url", arg)) {
117 args.diag_url = 1;
118 continue;
119 }
120 if (!strcmp("-v", arg)) {
121 args.verbose = 1;
122 continue;
123 }
124 if (skip_prefix(arg, "--depth=", &arg)) {
125 args.depth = strtol(arg, NULL, 0);
126 continue;
127 }
128 if (skip_prefix(arg, "--shallow-since=", &arg)) {
129 args.deepen_since = xstrdup(arg);
130 continue;
131 }
132 if (skip_prefix(arg, "--shallow-exclude=", &arg)) {
133 string_list_append(&deepen_not, arg);
134 continue;
135 }
136 if (!strcmp(arg, "--deepen-relative")) {
137 args.deepen_relative = 1;
138 continue;
139 }
140 if (!strcmp("--no-progress", arg)) {
141 args.no_progress = 1;
142 continue;
143 }
144 if (!strcmp("--stateless-rpc", arg)) {
145 args.stateless_rpc = 1;
146 continue;
147 }
148 if (!strcmp("--lock-pack", arg)) {
149 args.lock_pack = 1;
150 pack_lockfiles_ptr = &pack_lockfiles;
151 continue;
152 }
153 if (!strcmp("--check-self-contained-and-connected", arg)) {
154 args.check_self_contained_and_connected = 1;
155 continue;
156 }
157 if (!strcmp("--cloning", arg)) {
158 args.cloning = 1;
159 continue;
160 }
161 if (!strcmp("--update-shallow", arg)) {
162 args.update_shallow = 1;
163 continue;
164 }
165 if (!strcmp("--from-promisor", arg)) {
166 args.from_promisor = 1;
167 continue;
168 }
169 if (!strcmp("--refetch", arg)) {
170 args.refetch = 1;
171 continue;
172 }
173 if (skip_prefix(arg, ("--filter="), &arg)) {
174 parse_list_objects_filter(&args.filter_options, arg);
175 continue;
176 }
177 if (!strcmp(arg, ("--no-filter"))) {
178 list_objects_filter_set_no_filter(&args.filter_options);
179 continue;
180 }
181 usage(fetch_pack_usage);
182 }
183 if (deepen_not.nr)
184 args.deepen_not = &deepen_not;
185
186 if (i < argc)
187 dest = argv[i++];
188 else
189 usage(fetch_pack_usage);
190
191 /*
192 * Copy refs from cmdline to growable list, then append any
193 * refs from the standard input:
194 */
195 for (; i < argc; i++)
196 add_sought_entry(&sought, &nr_sought, &alloc_sought, argv[i]);
197 if (args.stdin_refs) {
198 if (args.stateless_rpc) {
199 /* in stateless RPC mode we use pkt-line to read
200 * from stdin, until we get a flush packet
201 */
202 for (;;) {
203 char *line = packet_read_line(0, NULL);
204 if (!line)
205 break;
206 add_sought_entry(&sought, &nr_sought, &alloc_sought, line);
207 }
208 }
209 else {
210 /* read from stdin one ref per line, until EOF */
211 struct strbuf line = STRBUF_INIT;
212 while (strbuf_getline_lf(&line, stdin) != EOF)
213 add_sought_entry(&sought, &nr_sought, &alloc_sought, line.buf);
214 strbuf_release(&line);
215 }
216 }
217
218 if (args.stateless_rpc) {
219 conn = NULL;
220 fd[0] = 0;
221 fd[1] = 1;
222 } else {
223 int flags = args.verbose ? CONNECT_VERBOSE : 0;
224 if (args.diag_url)
225 flags |= CONNECT_DIAG_URL;
226 conn = git_connect(fd, dest, "git-upload-pack",
227 args.uploadpack, flags);
228 if (!conn)
229 return args.diag_url ? 0 : 1;
230 }
231
232 packet_reader_init(&reader, fd[0], NULL, 0,
233 PACKET_READ_CHOMP_NEWLINE |
234 PACKET_READ_GENTLE_ON_EOF |
235 PACKET_READ_DIE_ON_ERR_PACKET);
236
237 version = discover_version(&reader);
238 switch (version) {
239 case protocol_v2:
240 get_remote_refs(fd[1], &reader, &remote_refs, 0, NULL, NULL,
241 args.stateless_rpc);
242 break;
243 case protocol_v1:
244 case protocol_v0:
245 get_remote_heads(&reader, &remote_refs, 0, NULL, &shallow);
246 break;
247 case protocol_unknown_version:
248 BUG("unknown protocol version");
249 }
250
251 /*
252 * Create a shallow copy of `sought` so that we can free all of its entries.
253 * This is because `fetch_pack()` will modify the array to evict some
254 * entries, but won't free those.
255 */
256 DUP_ARRAY(sought_to_free, sought, nr_sought);
257
258 fetched_refs = fetch_pack(&args, fd, remote_refs, sought, nr_sought,
259 &shallow, pack_lockfiles_ptr, version);
260
261 if (pack_lockfiles.nr) {
262 int i;
263
264 printf("lock %s\n", pack_lockfiles.items[0].string);
265 fflush(stdout);
266 for (i = 1; i < pack_lockfiles.nr; i++)
267 warning(_("Lockfile created but not reported: %s"),
268 pack_lockfiles.items[i].string);
269 }
270 if (args.check_self_contained_and_connected &&
271 args.self_contained_and_connected) {
272 printf("connectivity-ok\n");
273 fflush(stdout);
274 }
275 close(fd[0]);
276 close(fd[1]);
277 if (finish_connect(conn)) {
278 ret = 1;
279 goto cleanup;
280 }
281
282 ret = !fetched_refs;
283
284 /*
285 * If the heads to pull were given, we should have consumed
286 * all of them by matching the remote. Otherwise, 'git fetch
287 * remote no-such-ref' would silently succeed without issuing
288 * an error.
289 */
290 ret |= report_unmatched_refs(sought, nr_sought);
291
292 for (struct ref *ref = fetched_refs; ref; ref = ref->next)
293 printf("%s %s\n",
294 oid_to_hex(&ref->old_oid), ref->name);
295
296cleanup:
297 for (size_t i = 0; i < nr_sought; i++)
298 free_one_ref(sought_to_free[i]);
299 free(sought_to_free);
300 free(sought);
301 free_refs(fetched_refs);
302 free_refs(remote_refs);
303 list_objects_filter_release(&args.filter_options);
304 oid_array_clear(&shallow);
305 string_list_clear(&pack_lockfiles, 0);
306 return ret;
307}