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[git/mjg.git] / builtin / bundle.c
blob92a8a6026a9bd6da5394e7b37f07dbe91f73db9c
1 #include "builtin.h"
2 #include "cache.h"
3 #include "bundle.h"
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".
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>...]";
18 int cmd_bundle(int argc, const char **argv, const char *prefix)
20 struct bundle_header header;
21 const char *cmd, *bundle_file;
22 int bundle_fd = -1;
23 char buffer[PATH_MAX];
25 if (argc < 3)
26 usage(builtin_bundle_usage);
28 cmd = argv[1];
29 bundle_file = argv[2];
30 argc -= 2;
31 argv += 2;
33 if (prefix && bundle_file[0] != '/') {
34 snprintf(buffer, sizeof(buffer), "%s/%s", prefix, bundle_file);
35 bundle_file = buffer;
38 memset(&header, 0, sizeof(header));
39 if (strcmp(cmd, "create") && (bundle_fd =
40 read_bundle_header(bundle_file, &header)) < 0)
41 return 1;
43 if (!strcmp(cmd, "verify")) {
44 close(bundle_fd);
45 if (verify_bundle(&header, 1))
46 return 1;
47 fprintf(stderr, _("%s is okay\n"), bundle_file);
48 return 0;
50 if (!strcmp(cmd, "list-heads")) {
51 close(bundle_fd);
52 return !!list_bundle_refs(&header, argc, argv);
54 if (!strcmp(cmd, "create")) {
55 if (!startup_info->have_repository)
56 die(_("Need a repository to create a bundle."));
57 return !!create_bundle(&header, bundle_file, argc, argv);
58 } else if (!strcmp(cmd, "unbundle")) {
59 if (!startup_info->have_repository)
60 die(_("Need a repository to unbundle."));
61 return !!unbundle(&header, bundle_fd, 0) ||
62 list_bundle_refs(&header, argc, argv);
63 } else
64 usage(builtin_bundle_usage);