Merge branch 'js/typofixes'
[git] / builtin / bundle.c
1 #include "builtin.h"
2 #include "cache.h"
3 #include "bundle.h"
4
5 /*
6  * Basic handler for bundle files to connect repositories via sneakernet.
7  * Invocation must include action.
8  * This function can create a bundle or provide information on an existing
9  * bundle supporting "fetch", "pull", and "ls-remote".
10  */
11
12 static const char builtin_bundle_usage[] =
13   "git bundle create <file> <git-rev-list args>\n"
14   "   or: git bundle verify <file>\n"
15   "   or: git bundle list-heads <file> [<refname>...]\n"
16   "   or: git bundle unbundle <file> [<refname>...]";
17
18 int cmd_bundle(int argc, const char **argv, const char *prefix)
19 {
20         struct bundle_header header;
21         const char *cmd, *bundle_file;
22         int bundle_fd = -1;
23
24         if (argc < 3)
25                 usage(builtin_bundle_usage);
26
27         cmd = argv[1];
28         bundle_file = prefix_filename(prefix, argv[2]);
29         argc -= 2;
30         argv += 2;
31
32         memset(&header, 0, sizeof(header));
33         if (strcmp(cmd, "create") && (bundle_fd =
34                                 read_bundle_header(bundle_file, &header)) < 0)
35                 return 1;
36
37         if (!strcmp(cmd, "verify")) {
38                 close(bundle_fd);
39                 if (argc != 1) {
40                         usage(builtin_bundle_usage);
41                         return 1;
42                 }
43                 if (verify_bundle(&header, 1))
44                         return 1;
45                 fprintf(stderr, _("%s is okay\n"), bundle_file);
46                 return 0;
47         }
48         if (!strcmp(cmd, "list-heads")) {
49                 close(bundle_fd);
50                 return !!list_bundle_refs(&header, argc, argv);
51         }
52         if (!strcmp(cmd, "create")) {
53                 if (argc < 2) {
54                         usage(builtin_bundle_usage);
55                         return 1;
56                 }
57                 if (!startup_info->have_repository)
58                         die(_("Need a repository to create a bundle."));
59                 return !!create_bundle(&header, bundle_file, argc, argv);
60         } else if (!strcmp(cmd, "unbundle")) {
61                 if (!startup_info->have_repository)
62                         die(_("Need a repository to unbundle."));
63                 return !!unbundle(&header, bundle_fd, 0) ||
64                         list_bundle_refs(&header, argc, argv);
65         } else
66                 usage(builtin_bundle_usage);
67 }