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git/builtin/bundle.c

194 lines
5.6 KiB

#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;
}