@leroysheep / MovieWebApp
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jch
bisect jch maint master next seen test todo
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1 #define USE_THE_REPOSITORY_VARIABLE
2 #include "builtin.h"
3 #include "abspath.h"
4 #include "gettext.h"
5 #include "setup.h"
6 #include "strvec.h"
7 #include "parse-options.h"
8 #include "pkt-line.h"
9 #include "bundle.h"
10
11 /*
12 * Basic handler for bundle files to connect repositories via sneakernet.
13 * Invocation must include action.
14 * This function can create a bundle or provide information on an existing
15 * bundle supporting "fetch", "pull", and "ls-remote".
16 */
17
18 #define BUILTIN_BUNDLE_CREATE_USAGE \
19 N_("git bundle create [-q | --quiet | --progress]\n" \
20 " [--version=<version>] <file> <git-rev-list-args>")
21 #define BUILTIN_BUNDLE_VERIFY_USAGE \
22 N_("git bundle verify [-q | --quiet] <file>")
23 #define BUILTIN_BUNDLE_LIST_HEADS_USAGE \
24 N_("git bundle list-heads <file> [<refname>...]")
25 #define BUILTIN_BUNDLE_UNBUNDLE_USAGE \
26 N_("git bundle unbundle [--progress] <file> [<refname>...]")
27
28 static char const * const builtin_bundle_usage[] = {
29 BUILTIN_BUNDLE_CREATE_USAGE,
30 BUILTIN_BUNDLE_VERIFY_USAGE,
31 BUILTIN_BUNDLE_LIST_HEADS_USAGE,
32 BUILTIN_BUNDLE_UNBUNDLE_USAGE,
33 NULL,
34 };
35
36 static const char * const builtin_bundle_create_usage[] = {
37 BUILTIN_BUNDLE_CREATE_USAGE,
38 NULL
39 };
40
41 static const char * const builtin_bundle_verify_usage[] = {
42 BUILTIN_BUNDLE_VERIFY_USAGE,
43 NULL
44 };
45
46 static const char * const builtin_bundle_list_heads_usage[] = {
47 BUILTIN_BUNDLE_LIST_HEADS_USAGE,
48 NULL
49 };
50
51 static const char * const builtin_bundle_unbundle_usage[] = {
52 BUILTIN_BUNDLE_UNBUNDLE_USAGE,
53 NULL
54 };
55
56 static int parse_options_cmd_bundle(int argc,
57 const char **argv,
58 const char* prefix,
59 const char * const usagestr[],
60 const struct option options[],
61 char **bundle_file) {
62 argc = parse_options(argc, argv, NULL, options, usagestr,
63 PARSE_OPT_STOP_AT_NON_OPTION);
64 if (!argc)
65 usage_msg_opt(_("need a <file> argument"), usagestr, options);
66 *bundle_file = prefix_filename_except_for_dash(prefix, argv[0]);
67 return argc;
68 }
69
70 static int cmd_bundle_create(int argc, const char **argv, const char *prefix,
71 struct repository *repo UNUSED) {
72 struct strvec pack_opts = STRVEC_INIT;
73 int version = -1;
74 int ret;
75 struct option options[] = {
76 OPT_PASSTHRU_ARGV('q', "quiet", &pack_opts, NULL,
77 N_("do not show progress meter"),
78 PARSE_OPT_NOARG),
79 OPT_PASSTHRU_ARGV(0, "progress", &pack_opts, NULL,
80 N_("show progress meter"),
81 PARSE_OPT_NOARG),
82 OPT_PASSTHRU_ARGV(0, "all-progress", &pack_opts, NULL,
83 N_("historical; same as --progress"),
84 PARSE_OPT_NOARG | PARSE_OPT_HIDDEN),
85 OPT_PASSTHRU_ARGV(0, "all-progress-implied", &pack_opts, NULL,
86 N_("historical; does nothing"),
87 PARSE_OPT_NOARG | PARSE_OPT_HIDDEN),
88 OPT_INTEGER(0, "version", &version,
89 N_("specify bundle format version")),
90 OPT_END()
91 };
92 char *bundle_file;
93
94 if (isatty(STDERR_FILENO))
95 strvec_push(&pack_opts, "--progress");
96 strvec_push(&pack_opts, "--all-progress-implied");
97
98 argc = parse_options_cmd_bundle(argc, argv, prefix,
99 builtin_bundle_create_usage, options, &bundle_file);
100 /* bundle internals use argv[1] as further parameters */
101
102 if (!startup_info->have_repository)
103 die(_("Need a repository to create a bundle."));
104 ret = !!create_bundle(the_repository, bundle_file, argc, argv, &pack_opts, version);
105 strvec_clear(&pack_opts);
106 free(bundle_file);
107 return ret;
108 }
109
110 /*
111 * Similar to read_bundle_header(), but handle "-" as stdin.
112 */
113 static int open_bundle(const char *path, struct bundle_header *header,
114 const char **name)
115 {
116 if (!strcmp(path, "-")) {
117 if (name)
118 *name = "<stdin>";
119 return read_bundle_header_fd(0, header, "<stdin>");
120 }
121
122 if (name)
123 *name = path;
124 return read_bundle_header(path, header);
125 }
126
127 static int cmd_bundle_verify(int argc, const char **argv, const char *prefix,
128 struct repository *repo UNUSED) {
129 struct bundle_header header = BUNDLE_HEADER_INIT;
130 int bundle_fd = -1;
131 int quiet = 0;
132 int ret;
133 struct option options[] = {
134 OPT_BOOL('q', "quiet", &quiet,
135 N_("do not show bundle details")),
136 OPT_END()
137 };
138 char *bundle_file;
139 const char *name;
140
141 argc = parse_options_cmd_bundle(argc, argv, prefix,
142 builtin_bundle_verify_usage, options, &bundle_file);
143 /* bundle internals use argv[1] as further parameters */
144
145 if (!startup_info->have_repository) {
146 ret = error(_("need a repository to verify a bundle"));
147 goto cleanup;
148 }
149
150 if ((bundle_fd = open_bundle(bundle_file, &header, &name)) < 0) {
151 ret = 1;
152 goto cleanup;
153 }
154 close(bundle_fd);
155 if (verify_bundle(the_repository, &header,
156 quiet ? VERIFY_BUNDLE_QUIET : VERIFY_BUNDLE_VERBOSE)) {
157 ret = 1;
158 goto cleanup;
159 }
160
161 fprintf(stderr, _("%s is okay\n"), name);
162 ret = 0;
163 cleanup:
164 free(bundle_file);
165 bundle_header_release(&header);
166 return ret;
167 }
168
169 static int cmd_bundle_list_heads(int argc, const char **argv, const char *prefix,
170 struct repository *repo UNUSED) {
171 struct bundle_header header = BUNDLE_HEADER_INIT;
172 int bundle_fd = -1;
173 int ret;
174 struct option options[] = {
175 OPT_END()
176 };
177 char *bundle_file;
178
179 argc = parse_options_cmd_bundle(argc, argv, prefix,
180 builtin_bundle_list_heads_usage, options, &bundle_file);
181 /* bundle internals use argv[1] as further parameters */
182
183 if ((bundle_fd = open_bundle(bundle_file, &header, NULL)) < 0) {
184 ret = 1;
185 goto cleanup;
186 }
187 close(bundle_fd);
188 ret = !!list_bundle_refs(&header, argc, argv);
189 cleanup:
190 free(bundle_file);
191 bundle_header_release(&header);
192 return ret;
193 }
194
195 static int cmd_bundle_unbundle(int argc, const char **argv, const char *prefix,
196 struct repository *repo UNUSED) {
197 struct bundle_header header = BUNDLE_HEADER_INIT;
198 int bundle_fd = -1;
199 int ret;
200 int progress = isatty(2);
201
202 struct option options[] = {
203 OPT_BOOL(0, "progress", &progress,
204 N_("show progress meter")),
205 OPT_END()
206 };
207 char *bundle_file;
208 struct strvec extra_index_pack_args = STRVEC_INIT;
209
210 argc = parse_options_cmd_bundle(argc, argv, prefix,
211 builtin_bundle_unbundle_usage, options, &bundle_file);
212 /* bundle internals use argv[1] as further parameters */
213
214 if (!startup_info->have_repository)
215 die(_("Need a repository to unbundle."));
216
217 if ((bundle_fd = open_bundle(bundle_file, &header, NULL)) < 0) {
218 ret = 1;
219 goto cleanup;
220 }
221 if (progress)
222 strvec_pushl(&extra_index_pack_args, "-v", "--progress-title",
223 _("Unbundling objects"), NULL);
224 ret = !!unbundle(the_repository, &header, bundle_fd,
225 &extra_index_pack_args, NULL) ||
226 list_bundle_refs(&header, argc, argv);
227 bundle_header_release(&header);
228
229 cleanup:
230 strvec_clear(&extra_index_pack_args);
231 free(bundle_file);
232 return ret;
233 }
234
235 int cmd_bundle(int argc,
236 const char **argv,
237 const char *prefix,
238 struct repository *repo)
239 {
240 parse_opt_subcommand_fn *fn = NULL;
241 struct option options[] = {
242 OPT_SUBCOMMAND("create", &fn, cmd_bundle_create),
243 OPT_SUBCOMMAND("verify", &fn, cmd_bundle_verify),
244 OPT_SUBCOMMAND("list-heads", &fn, cmd_bundle_list_heads),
245 OPT_SUBCOMMAND("unbundle", &fn, cmd_bundle_unbundle),
246 OPT_END()
247 };
248
249 argc = parse_options(argc, argv, prefix, options, builtin_bundle_usage,
250 0);
251
252 packet_trace_identity("bundle");
253
254 return !!fn(argc, argv, prefix, repo);
255 }