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
12static 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
18int 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 char buffer[PATH_MAX];
24
25 if (argc < 3)
26 usage(builtin_bundle_usage);
27
28 cmd = argv[1];
29 bundle_file = argv[2];
30 argc -= 2;
31 argv += 2;
32
33 if (prefix && bundle_file[0] != '/') {
34 snprintf(buffer, sizeof(buffer), "%s/%s", prefix, bundle_file);
35 bundle_file = buffer;
36 }
37
38 memset(&header, 0, sizeof(header));
39 if (strcmp(cmd, "create") && (bundle_fd =
40 read_bundle_header(bundle_file, &header)) < 0)
41 return 1;
42
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;
49 }
50 if (!strcmp(cmd, "list-heads")) {
51 close(bundle_fd);
52 return !!list_bundle_refs(&header, argc, argv);
53 }
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) ||
62 list_bundle_refs(&header, argc, argv);
63 } else
64 usage(builtin_bundle_usage);
65}