builtin/multi-pack-index.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3 #include "config.h"
   4 #include "parse-options.h"
   5 #include "midx.h"
   6 #include "trace2.h"
   7 #include "object-store.h"
   8
   9 #define BUILTIN_MIDX_WRITE_USAGE \
  10         N_("git multi-pack-index [<options>] write [--preferred-pack=<pack>]" \
  11            "[--refs-snapshot=<path>]")
  12
  13 #define BUILTIN_MIDX_VERIFY_USAGE \
  14         N_("git multi-pack-index [<options>] verify")
  15
  16 #define BUILTIN_MIDX_EXPIRE_USAGE \
  17         N_("git multi-pack-index [<options>] expire")
  18
  19 #define BUILTIN_MIDX_REPACK_USAGE \
  20         N_("git multi-pack-index [<options>] repack [--batch-size=<size>]")
  21
  22 static char const * const builtin_multi_pack_index_write_usage[] = {
  23         BUILTIN_MIDX_WRITE_USAGE,
  24         NULL
  25 };
  26 static char const * const builtin_multi_pack_index_verify_usage[] = {
  27         BUILTIN_MIDX_VERIFY_USAGE,
  28         NULL
  29 };
  30 static char const * const builtin_multi_pack_index_expire_usage[] = {
  31         BUILTIN_MIDX_EXPIRE_USAGE,
  32         NULL
  33 };
  34 static char const * const builtin_multi_pack_index_repack_usage[] = {
  35         BUILTIN_MIDX_REPACK_USAGE,
  36         NULL
  37 };
  38 static char const * const builtin_multi_pack_index_usage[] = {
  39         BUILTIN_MIDX_WRITE_USAGE,
  40         BUILTIN_MIDX_VERIFY_USAGE,
  41         BUILTIN_MIDX_EXPIRE_USAGE,
  42         BUILTIN_MIDX_REPACK_USAGE,
  43         NULL
  44 };
  45
  46 static struct opts_multi_pack_index {
  47         const char *object_dir;
  48         const char *preferred_pack;
  49         const char *refs_snapshot;
  50         unsigned long batch_size;
  51         unsigned flags;
  52         int stdin_packs;
  53 } opts;
  54
  55 static struct option common_opts[] = {
  56         OPT_FILENAME(0, "object-dir", &opts.object_dir,
  57           N_("object directory containing set of packfile and pack-index pairs")),
  58         OPT_END(),
  59 };
  60
  61 static struct option *add_common_options(struct option *prev)
  62 {
  63         return parse_options_concat(common_opts, prev);
  64 }
  65
  66 static int git_multi_pack_index_write_config(const char *var, const char *value,
  67                                              void *cb)
  68 {
  69         if (!strcmp(var, "pack.writebitmaphashcache")) {
  70                 if (git_config_bool(var, value))
  71                         opts.flags |= MIDX_WRITE_BITMAP_HASH_CACHE;
  72                 else
  73                         opts.flags &= ~MIDX_WRITE_BITMAP_HASH_CACHE;
  74         }
  75
  76         /*
  77          * We should never make a fall-back call to 'git_default_config', since
  78          * this was already called in 'cmd_multi_pack_index()'.
  79          */
  80         return 0;
  81 }
  82
  83 static void read_packs_from_stdin(struct string_list *to)
  84 {
  85         struct strbuf buf = STRBUF_INIT;
  86         while (strbuf_getline(&buf, stdin) != EOF)
  87                 string_list_append(to, buf.buf);
  88         string_list_sort(to);
  89
  90         strbuf_release(&buf);
  91 }
  92
  93 static int cmd_multi_pack_index_write(int argc, const char **argv)
  94 {
  95         struct option *options;
  96         static struct option builtin_multi_pack_index_write_options[] = {
  97                 OPT_STRING(0, "preferred-pack", &opts.preferred_pack,
  98                            N_("preferred-pack"),
  99                            N_("pack for reuse when computing a multi-pack bitmap")),
 100                 OPT_BIT(0, "bitmap", &opts.flags, N_("write multi-pack bitmap"),
 101                         MIDX_WRITE_BITMAP | MIDX_WRITE_REV_INDEX),
 102                 OPT_BIT(0, "progress", &opts.flags,
 103                         N_("force progress reporting"), MIDX_PROGRESS),
 104                 OPT_BOOL(0, "stdin-packs", &opts.stdin_packs,
 105                          N_("write multi-pack index containing only given indexes")),
 106                 OPT_FILENAME(0, "refs-snapshot", &opts.refs_snapshot,
 107                              N_("refs snapshot for selecting bitmap commits")),
 108                 OPT_END(),
 109         };
 110
 111         opts.flags |= MIDX_WRITE_BITMAP_HASH_CACHE;
 112
 113         git_config(git_multi_pack_index_write_config, NULL);
 114
 115         options = add_common_options(builtin_multi_pack_index_write_options);
 116
 117         trace2_cmd_mode(argv[0]);
 118
 119         if (isatty(2))
 120                 opts.flags |= MIDX_PROGRESS;
 121         argc = parse_options(argc, argv, NULL,
 122                              options, builtin_multi_pack_index_write_usage,
 123                              PARSE_OPT_KEEP_UNKNOWN);
 124         if (argc)
 125                 usage_with_options(builtin_multi_pack_index_write_usage,
 126                                    options);
 127
 128         FREE_AND_NULL(options);
 129
 130         if (opts.stdin_packs) {
 131                 struct string_list packs = STRING_LIST_INIT_DUP;
 132                 int ret;
 133
 134                 read_packs_from_stdin(&packs);
 135
 136                 ret = write_midx_file_only(opts.object_dir, &packs,
 137                                            opts.preferred_pack,
 138                                            opts.refs_snapshot, opts.flags);
 139
 140                 string_list_clear(&packs, 0);
 141
 142                 return ret;
 143
 144         }
 145         return write_midx_file(opts.object_dir, opts.preferred_pack,
 146                                opts.refs_snapshot, opts.flags);
 147 }
 148
 149 static int cmd_multi_pack_index_verify(int argc, const char **argv)
 150 {
 151         struct option *options;
 152         static struct option builtin_multi_pack_index_verify_options[] = {
 153                 OPT_BIT(0, "progress", &opts.flags,
 154                         N_("force progress reporting"), MIDX_PROGRESS),
 155                 OPT_END(),
 156         };
 157         options = add_common_options(builtin_multi_pack_index_verify_options);
 158
 159         trace2_cmd_mode(argv[0]);
 160
 161         if (isatty(2))
 162                 opts.flags |= MIDX_PROGRESS;
 163         argc = parse_options(argc, argv, NULL,
 164                              options, builtin_multi_pack_index_verify_usage,
 165                              PARSE_OPT_KEEP_UNKNOWN);
 166         if (argc)
 167                 usage_with_options(builtin_multi_pack_index_verify_usage,
 168                                    options);
 169
 170         FREE_AND_NULL(options);
 171
 172         return verify_midx_file(the_repository, opts.object_dir, opts.flags);
 173 }
 174
 175 static int cmd_multi_pack_index_expire(int argc, const char **argv)
 176 {
 177         struct option *options;
 178         static struct option builtin_multi_pack_index_expire_options[] = {
 179                 OPT_BIT(0, "progress", &opts.flags,
 180                         N_("force progress reporting"), MIDX_PROGRESS),
 181                 OPT_END(),
 182         };
 183         options = add_common_options(builtin_multi_pack_index_expire_options);
 184
 185         trace2_cmd_mode(argv[0]);
 186
 187         if (isatty(2))
 188                 opts.flags |= MIDX_PROGRESS;
 189         argc = parse_options(argc, argv, NULL,
 190                              options, builtin_multi_pack_index_expire_usage,
 191                              PARSE_OPT_KEEP_UNKNOWN);
 192         if (argc)
 193                 usage_with_options(builtin_multi_pack_index_expire_usage,
 194                                    options);
 195
 196         FREE_AND_NULL(options);
 197
 198         return expire_midx_packs(the_repository, opts.object_dir, opts.flags);
 199 }
 200
 201 static int cmd_multi_pack_index_repack(int argc, const char **argv)
 202 {
 203         struct option *options;
 204         static struct option builtin_multi_pack_index_repack_options[] = {
 205                 OPT_MAGNITUDE(0, "batch-size", &opts.batch_size,
 206                   N_("during repack, collect pack-files of smaller size into a batch that is larger than this size")),
 207                 OPT_BIT(0, "progress", &opts.flags,
 208                   N_("force progress reporting"), MIDX_PROGRESS),
 209                 OPT_END(),
 210         };
 211
 212         options = add_common_options(builtin_multi_pack_index_repack_options);
 213
 214         trace2_cmd_mode(argv[0]);
 215
 216         if (isatty(2))
 217                 opts.flags |= MIDX_PROGRESS;
 218         argc = parse_options(argc, argv, NULL,
 219                              options,
 220                              builtin_multi_pack_index_repack_usage,
 221                              PARSE_OPT_KEEP_UNKNOWN);
 222         if (argc)
 223                 usage_with_options(builtin_multi_pack_index_repack_usage,
 224                                    options);
 225
 226         FREE_AND_NULL(options);
 227
 228         return midx_repack(the_repository, opts.object_dir,
 229                            (size_t)opts.batch_size, opts.flags);
 230 }
 231
 232 int cmd_multi_pack_index(int argc, const char **argv,
 233                          const char *prefix)
 234 {
 235         struct option *builtin_multi_pack_index_options = common_opts;
 236
 237         git_config(git_default_config, NULL);
 238
 239         argc = parse_options(argc, argv, prefix,
 240                              builtin_multi_pack_index_options,
 241                              builtin_multi_pack_index_usage,
 242                              PARSE_OPT_STOP_AT_NON_OPTION);
 243
 244         if (!opts.object_dir)
 245                 opts.object_dir = get_object_directory();
 246
 247         if (!argc)
 248                 goto usage;
 249
 250         if (!strcmp(argv[0], "repack"))
 251                 return cmd_multi_pack_index_repack(argc, argv);
 252         else if (!strcmp(argv[0], "write"))
 253                 return cmd_multi_pack_index_write(argc, argv);
 254         else if (!strcmp(argv[0], "verify"))
 255                 return cmd_multi_pack_index_verify(argc, argv);
 256         else if (!strcmp(argv[0], "expire"))
 257                 return cmd_multi_pack_index_expire(argc, argv);
 258
 259         error(_("unrecognized subcommand: %s"), argv[0]);
 260 usage:
 261         usage_with_options(builtin_multi_pack_index_usage,
 262                            builtin_multi_pack_index_options);
 263 }