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git/builtin/multi-pack-index.c

286 lines
7.6 KiB

#include "builtin.h"
#include "cache.h"
#include "config.h"
#include "parse-options.h"
#include "midx.h"
#include "trace2.h"
#include "object-store.h"
#define BUILTIN_MIDX_WRITE_USAGE \
N_("git multi-pack-index [<options>] write [--preferred-pack=<pack>]" \
"[--refs-snapshot=<path>]")
#define BUILTIN_MIDX_VERIFY_USAGE \
N_("git multi-pack-index [<options>] verify")
#define BUILTIN_MIDX_EXPIRE_USAGE \
N_("git multi-pack-index [<options>] expire")
#define BUILTIN_MIDX_REPACK_USAGE \
N_("git multi-pack-index [<options>] repack [--batch-size=<size>]")
static char const * const builtin_multi_pack_index_write_usage[] = {
BUILTIN_MIDX_WRITE_USAGE,
NULL
};
static char const * const builtin_multi_pack_index_verify_usage[] = {
BUILTIN_MIDX_VERIFY_USAGE,
NULL
};
static char const * const builtin_multi_pack_index_expire_usage[] = {
BUILTIN_MIDX_EXPIRE_USAGE,
NULL
};
static char const * const builtin_multi_pack_index_repack_usage[] = {
BUILTIN_MIDX_REPACK_USAGE,
NULL
};
static char const * const builtin_multi_pack_index_usage[] = {
BUILTIN_MIDX_WRITE_USAGE,
BUILTIN_MIDX_VERIFY_USAGE,
BUILTIN_MIDX_EXPIRE_USAGE,
BUILTIN_MIDX_REPACK_USAGE,
NULL
};
static struct opts_multi_pack_index {
char *object_dir;
const char *preferred_pack;
const char *refs_snapshot;
unsigned long batch_size;
unsigned flags;
int stdin_packs;
} opts;
static int parse_object_dir(const struct option *opt, const char *arg,
int unset)
{
free(opts.object_dir);
if (unset)
opts.object_dir = xstrdup(get_object_directory());
else
opts.object_dir = real_pathdup(arg, 1);
return 0;
}
static struct option common_opts[] = {
OPT_CALLBACK(0, "object-dir", &opts.object_dir,
N_("directory"),
N_("object directory containing set of packfile and pack-index pairs"),
parse_object_dir),
OPT_END(),
};
static struct option *add_common_options(struct option *prev)
{
return parse_options_concat(common_opts, prev);
}
static int git_multi_pack_index_write_config(const char *var, const char *value,
void *cb)
{
if (!strcmp(var, "pack.writebitmaphashcache")) {
if (git_config_bool(var, value))
opts.flags |= MIDX_WRITE_BITMAP_HASH_CACHE;
else
opts.flags &= ~MIDX_WRITE_BITMAP_HASH_CACHE;
}
/*
* We should never make a fall-back call to 'git_default_config', since
* this was already called in 'cmd_multi_pack_index()'.
*/
return 0;
}
static void read_packs_from_stdin(struct string_list *to)
{
struct strbuf buf = STRBUF_INIT;
while (strbuf_getline(&buf, stdin) != EOF)
string_list_append(to, buf.buf);
string_list_sort(to);
strbuf_release(&buf);
}
static int cmd_multi_pack_index_write(int argc, const char **argv)
{
struct option *options;
static struct option builtin_multi_pack_index_write_options[] = {
OPT_STRING(0, "preferred-pack", &opts.preferred_pack,
N_("preferred-pack"),
N_("pack for reuse when computing a multi-pack bitmap")),
OPT_BIT(0, "bitmap", &opts.flags, N_("write multi-pack bitmap"),
MIDX_WRITE_BITMAP | MIDX_WRITE_REV_INDEX),
OPT_BIT(0, "progress", &opts.flags,
N_("force progress reporting"), MIDX_PROGRESS),
OPT_BOOL(0, "stdin-packs", &opts.stdin_packs,
N_("write multi-pack index containing only given indexes")),
OPT_FILENAME(0, "refs-snapshot", &opts.refs_snapshot,
N_("refs snapshot for selecting bitmap commits")),
OPT_END(),
};
opts.flags |= MIDX_WRITE_BITMAP_HASH_CACHE;
git_config(git_multi_pack_index_write_config, NULL);
options = add_common_options(builtin_multi_pack_index_write_options);
trace2_cmd_mode(argv[0]);
if (isatty(2))
opts.flags |= MIDX_PROGRESS;
argc = parse_options(argc, argv, NULL,
options, builtin_multi_pack_index_write_usage,
PARSE_OPT_KEEP_UNKNOWN);
if (argc)
usage_with_options(builtin_multi_pack_index_write_usage,
options);
FREE_AND_NULL(options);
if (opts.stdin_packs) {
struct string_list packs = STRING_LIST_INIT_DUP;
int ret;
read_packs_from_stdin(&packs);
ret = write_midx_file_only(opts.object_dir, &packs,
opts.preferred_pack,
opts.refs_snapshot, opts.flags);
string_list_clear(&packs, 0);
return ret;
}
return write_midx_file(opts.object_dir, opts.preferred_pack,
opts.refs_snapshot, opts.flags);
}
static int cmd_multi_pack_index_verify(int argc, const char **argv)
{
struct option *options;
static struct option builtin_multi_pack_index_verify_options[] = {
OPT_BIT(0, "progress", &opts.flags,
N_("force progress reporting"), MIDX_PROGRESS),
OPT_END(),
};
options = add_common_options(builtin_multi_pack_index_verify_options);
trace2_cmd_mode(argv[0]);
if (isatty(2))
opts.flags |= MIDX_PROGRESS;
argc = parse_options(argc, argv, NULL,
options, builtin_multi_pack_index_verify_usage,
PARSE_OPT_KEEP_UNKNOWN);
if (argc)
usage_with_options(builtin_multi_pack_index_verify_usage,
options);
FREE_AND_NULL(options);
return verify_midx_file(the_repository, opts.object_dir, opts.flags);
}
static int cmd_multi_pack_index_expire(int argc, const char **argv)
{
struct option *options;
static struct option builtin_multi_pack_index_expire_options[] = {
OPT_BIT(0, "progress", &opts.flags,
N_("force progress reporting"), MIDX_PROGRESS),
OPT_END(),
};
options = add_common_options(builtin_multi_pack_index_expire_options);
trace2_cmd_mode(argv[0]);
if (isatty(2))
opts.flags |= MIDX_PROGRESS;
argc = parse_options(argc, argv, NULL,
options, builtin_multi_pack_index_expire_usage,
PARSE_OPT_KEEP_UNKNOWN);
if (argc)
usage_with_options(builtin_multi_pack_index_expire_usage,
options);
FREE_AND_NULL(options);
return expire_midx_packs(the_repository, opts.object_dir, opts.flags);
}
static int cmd_multi_pack_index_repack(int argc, const char **argv)
{
struct option *options;
static struct option builtin_multi_pack_index_repack_options[] = {
OPT_MAGNITUDE(0, "batch-size", &opts.batch_size,
N_("during repack, collect pack-files of smaller size into a batch that is larger than this size")),
OPT_BIT(0, "progress", &opts.flags,
N_("force progress reporting"), MIDX_PROGRESS),
OPT_END(),
};
options = add_common_options(builtin_multi_pack_index_repack_options);
trace2_cmd_mode(argv[0]);
if (isatty(2))
opts.flags |= MIDX_PROGRESS;
argc = parse_options(argc, argv, NULL,
options,
builtin_multi_pack_index_repack_usage,
PARSE_OPT_KEEP_UNKNOWN);
if (argc)
usage_with_options(builtin_multi_pack_index_repack_usage,
options);
FREE_AND_NULL(options);
return midx_repack(the_repository, opts.object_dir,
(size_t)opts.batch_size, opts.flags);
}
int cmd_multi_pack_index(int argc, const char **argv,
const char *prefix)
{
int res;
struct option *builtin_multi_pack_index_options = common_opts;
git_config(git_default_config, NULL);
if (the_repository &&
the_repository->objects &&
the_repository->objects->odb)
opts.object_dir = xstrdup(the_repository->objects->odb->path);
argc = parse_options(argc, argv, prefix,
builtin_multi_pack_index_options,
builtin_multi_pack_index_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (!argc)
goto usage;
if (!strcmp(argv[0], "repack"))
res = cmd_multi_pack_index_repack(argc, argv);
else if (!strcmp(argv[0], "write"))
res = cmd_multi_pack_index_write(argc, argv);
else if (!strcmp(argv[0], "verify"))
res = cmd_multi_pack_index_verify(argc, argv);
else if (!strcmp(argv[0], "expire"))
res = cmd_multi_pack_index_expire(argc, argv);
else {
error(_("unrecognized subcommand: %s"), argv[0]);
goto usage;
}
free(opts.object_dir);
return res;
usage:
usage_with_options(builtin_multi_pack_index_usage,
builtin_multi_pack_index_options);
}