summaryrefslogtreecommitdiff
path: root/builtin/bundle.c
blob: 750630bdd94831e9cd746c2d62aef0bb3a060a2d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
#include "builtin.h"
#include "strvec.h"
#include "parse-options.h"
#include "cache.h"
#include "bundle.h"

/*
 * Basic handler for bundle files to connect repositories via sneakernet.
 * Invocation must include action.
 * This function can create a bundle or provide information on an existing
 * bundle supporting "fetch", "pull", and "ls-remote".
 */

static const char * const builtin_bundle_usage[] = {
  N_("git bundle create [<options>] <file> <git-rev-list args>"),
  N_("git bundle verify [<options>] <file>"),
  N_("git bundle list-heads <file> [<refname>...]"),
  N_("git bundle unbundle <file> [<refname>...]"),
  NULL
};

static const char * const builtin_bundle_create_usage[] = {
  N_("git bundle create [<options>] <file> <git-rev-list args>"),
  NULL
};

static const char * const builtin_bundle_verify_usage[] = {
  N_("git bundle verify [<options>] <file>"),
  NULL
};

static const char * const builtin_bundle_list_heads_usage[] = {
  N_("git bundle list-heads <file> [<refname>...]"),
  NULL
};

static const char * const builtin_bundle_unbundle_usage[] = {
  N_("git bundle unbundle <file> [<refname>...]"),
  NULL
};

static int verbose;

static int parse_options_cmd_bundle(int argc,
		const char **argv,
		const char* prefix,
		const char * const usagestr[],
		const struct option options[],
		const char **bundle_file) {
	int newargc;
	newargc = parse_options(argc, argv, NULL, options, usagestr,
			     PARSE_OPT_STOP_AT_NON_OPTION);
	if (argc < 1)
		usage_with_options(usagestr, options);
	*bundle_file = prefix_filename(prefix, argv[0]);
	return newargc;
}

static int cmd_bundle_create(int argc, const char **argv, const char *prefix) {
	int all_progress_implied = 0;
	int progress = isatty(STDERR_FILENO);
	struct strvec pack_opts;

	struct option options[] = {
		OPT_SET_INT('q', "quiet", &progress,
			    N_("do not show progress meter"), 0),
		OPT_SET_INT(0, "progress", &progress,
			    N_("show progress meter"), 1),
		OPT_SET_INT(0, "all-progress", &progress,
			    N_("show progress meter during object writing phase"), 2),
		OPT_BOOL(0, "all-progress-implied",
			 &all_progress_implied,
			 N_("similar to --all-progress when progress meter is shown")),
		OPT_END()
	};
	const char* bundle_file;

	argc = parse_options_cmd_bundle(argc, argv, prefix,
			builtin_bundle_create_usage, options, &bundle_file);
	/* bundle internals use argv[1] as further parameters */

	strvec_init(&pack_opts);
	if (progress == 0)
		strvec_push(&pack_opts, "--quiet");
	else if (progress == 1)
		strvec_push(&pack_opts, "--progress");
	else if (progress == 2)
		strvec_push(&pack_opts, "--all-progress");
	if (progress && all_progress_implied)
		strvec_push(&pack_opts, "--all-progress-implied");

	if (!startup_info->have_repository)
		die(_("Need a repository to create a bundle."));
	return !!create_bundle(the_repository, bundle_file, argc, argv, &pack_opts);
}

static int cmd_bundle_verify(int argc, const char **argv, const char *prefix) {
	struct bundle_header header;
	int bundle_fd = -1;
	int quiet = 0;

	struct option options[] = {
		OPT_BOOL('q', "quiet", &quiet,
			    N_("do not show bundle details")),
		OPT_END()
	};
	const char* bundle_file;

	argc = parse_options_cmd_bundle(argc, argv, prefix,
			builtin_bundle_verify_usage, options, &bundle_file);
	/* bundle internals use argv[1] as further parameters */

	memset(&header, 0, sizeof(header));
	if ((bundle_fd = read_bundle_header(bundle_file, &header)) < 0)
		return 1;
	close(bundle_fd);
	if (verify_bundle(the_repository, &header, !quiet))
		return 1;
	fprintf(stderr, _("%s is okay\n"), bundle_file);
	return 0;
}

static int cmd_bundle_list_heads(int argc, const char **argv, const char *prefix) {
	struct bundle_header header;
	int bundle_fd = -1;

	struct option options[] = {
		OPT_END()
	};
	const char* bundle_file;

	argc = parse_options_cmd_bundle(argc, argv, prefix,
			builtin_bundle_list_heads_usage, options, &bundle_file);
	/* bundle internals use argv[1] as further parameters */

	memset(&header, 0, sizeof(header));
	if ((bundle_fd = read_bundle_header(bundle_file, &header)) < 0)
		return 1;
	close(bundle_fd);
	return !!list_bundle_refs(&header, argc, argv);
}

static int cmd_bundle_unbundle(int argc, const char **argv, const char *prefix) {
	struct bundle_header header;
	int bundle_fd = -1;

	struct option options[] = {
		OPT_END()
	};
	const char* bundle_file;

	argc = parse_options_cmd_bundle(argc, argv, prefix,
			builtin_bundle_unbundle_usage, options, &bundle_file);
	/* bundle internals use argv[1] as further parameters */

	memset(&header, 0, sizeof(header));
	if ((bundle_fd = read_bundle_header(bundle_file, &header)) < 0)
		return 1;
	if (!startup_info->have_repository)
		die(_("Need a repository to unbundle."));
	return !!unbundle(the_repository, &header, bundle_fd, 0) ||
		list_bundle_refs(&header, argc, argv);
}

int cmd_bundle(int argc, const char **argv, const char *prefix)
{
	struct option options[] = {
		OPT__VERBOSE(&verbose, N_("be verbose; must be placed before a subcommand")),
		OPT_END()
	};
	int result;

	argc = parse_options(argc, argv, prefix, options, builtin_bundle_usage,
		PARSE_OPT_STOP_AT_NON_OPTION);

	packet_trace_identity("bundle");

	if (argc < 2)
		usage_with_options(builtin_bundle_usage, options);

	else if (!strcmp(argv[0], "create"))
		result = cmd_bundle_create(argc, argv, prefix);
	else if (!strcmp(argv[0], "verify"))
		result = cmd_bundle_verify(argc, argv, prefix);
	else if (!strcmp(argv[0], "list-heads"))
		result = cmd_bundle_list_heads(argc, argv, prefix);
	else if (!strcmp(argv[0], "unbundle"))
		result = cmd_bundle_unbundle(argc, argv, prefix);
	else {
		error(_("Unknown subcommand: %s"), argv[0]);
		usage_with_options(builtin_bundle_usage, options);
	}
	return result ? 1 : 0;
}