Andrew's git - gitweb.git/blob - t/helper/test-ref-store.c

   1#include "cache.h"
   2#include "refs.h"
   3#include "worktree.h"
   4
   5static const char *notnull(const char *arg, const char *name)
   6{
   7        if (!arg)
   8                die("%s required", name);
   9        return arg;
  10}
  11
  12static unsigned int arg_flags(const char *arg, const char *name)
  13{
  14        return atoi(notnull(arg, name));
  15}
  16
  17static const char **get_store(const char **argv, struct ref_store **refs)
  18{
  19        const char *gitdir;
  20
  21        if (!argv[0]) {
  22                die("ref store required");
  23        } else if (!strcmp(argv[0], "main")) {
  24                *refs = get_main_ref_store();
  25        } else if (skip_prefix(argv[0], "submodule:", &gitdir)) {
  26                struct strbuf sb = STRBUF_INIT;
  27                int ret;
  28
  29                ret = strbuf_git_path_submodule(&sb, gitdir, "objects/");
  30                if (ret)
  31                        die("strbuf_git_path_submodule failed: %d", ret);
  32                add_to_alternates_memory(sb.buf);
  33                strbuf_release(&sb);
  34
  35                *refs = get_submodule_ref_store(gitdir);
  36        } else if (skip_prefix(argv[0], "worktree:", &gitdir)) {
  37                struct worktree **p, **worktrees = get_worktrees(0);
  38
  39                for (p = worktrees; *p; p++) {
  40                        struct worktree *wt = *p;
  41
  42                        if (!wt->id) {
  43                                /* special case for main worktree */
  44                                if (!strcmp(gitdir, "main"))
  45                                        break;
  46                        } else if (!strcmp(gitdir, wt->id))
  47                                break;
  48                }
  49                if (!*p)
  50                        die("no such worktree: %s", gitdir);
  51
  52                *refs = get_worktree_ref_store(*p);
  53        } else
  54                die("unknown backend %s", argv[0]);
  55
  56        if (!*refs)
  57                die("no ref store");
  58
  59        /* consume store-specific optional arguments if needed */
  60
  61        return argv + 1;
  62}
  63
  64
  65static int cmd_pack_refs(struct ref_store *refs, const char **argv)
  66{
  67        unsigned int flags = arg_flags(*argv++, "flags");
  68
  69        return refs_pack_refs(refs, flags);
  70}
  71
  72static int cmd_peel_ref(struct ref_store *refs, const char **argv)
  73{
  74        const char *refname = notnull(*argv++, "refname");
  75        struct object_id oid;
  76        int ret;
  77
  78        ret = refs_peel_ref(refs, refname, &oid);
  79        if (!ret)
  80                puts(oid_to_hex(&oid));
  81        return ret;
  82}
  83
  84static int cmd_create_symref(struct ref_store *refs, const char **argv)
  85{
  86        const char *refname = notnull(*argv++, "refname");
  87        const char *target = notnull(*argv++, "target");
  88        const char *logmsg = *argv++;
  89
  90        return refs_create_symref(refs, refname, target, logmsg);
  91}
  92
  93static int cmd_delete_refs(struct ref_store *refs, const char **argv)
  94{
  95        unsigned int flags = arg_flags(*argv++, "flags");
  96        const char *msg = *argv++;
  97        struct string_list refnames = STRING_LIST_INIT_NODUP;
  98
  99        while (*argv)
 100                string_list_append(&refnames, *argv++);
 101
 102        return refs_delete_refs(refs, msg, &refnames, flags);
 103}
 104
 105static int cmd_rename_ref(struct ref_store *refs, const char **argv)
 106{
 107        const char *oldref = notnull(*argv++, "oldref");
 108        const char *newref = notnull(*argv++, "newref");
 109        const char *logmsg = *argv++;
 110
 111        return refs_rename_ref(refs, oldref, newref, logmsg);
 112}
 113
 114static int each_ref(const char *refname, const struct object_id *oid,
 115                    int flags, void *cb_data)
 116{
 117        printf("%s %s 0x%x\n", oid_to_hex(oid), refname, flags);
 118        return 0;
 119}
 120
 121static int cmd_for_each_ref(struct ref_store *refs, const char **argv)
 122{
 123        const char *prefix = notnull(*argv++, "prefix");
 124
 125        return refs_for_each_ref_in(refs, prefix, each_ref, NULL);
 126}
 127
 128static int cmd_resolve_ref(struct ref_store *refs, const char **argv)
 129{
 130        struct object_id oid;
 131        const char *refname = notnull(*argv++, "refname");
 132        int resolve_flags = arg_flags(*argv++, "resolve-flags");
 133        int flags;
 134        const char *ref;
 135
 136        ref = refs_resolve_ref_unsafe(refs, refname, resolve_flags,
 137                                      &oid, &flags);
 138        printf("%s %s 0x%x\n", oid_to_hex(&oid), ref ? ref : "(null)", flags);
 139        return ref ? 0 : 1;
 140}
 141
 142static int cmd_verify_ref(struct ref_store *refs, const char **argv)
 143{
 144        const char *refname = notnull(*argv++, "refname");
 145        struct strbuf err = STRBUF_INIT;
 146        int ret;
 147
 148        ret = refs_verify_refname_available(refs, refname, NULL, NULL, &err);
 149        if (err.len)
 150                puts(err.buf);
 151        return ret;
 152}
 153
 154static int cmd_for_each_reflog(struct ref_store *refs, const char **argv)
 155{
 156        return refs_for_each_reflog(refs, each_ref, NULL);
 157}
 158
 159static int each_reflog(struct object_id *old_oid, struct object_id *new_oid,
 160                       const char *committer, timestamp_t timestamp,
 161                       int tz, const char *msg, void *cb_data)
 162{
 163        printf("%s %s %s %"PRItime" %d %s\n",
 164               oid_to_hex(old_oid), oid_to_hex(new_oid),
 165               committer, timestamp, tz, msg);
 166        return 0;
 167}
 168
 169static int cmd_for_each_reflog_ent(struct ref_store *refs, const char **argv)
 170{
 171        const char *refname = notnull(*argv++, "refname");
 172
 173        return refs_for_each_reflog_ent(refs, refname, each_reflog, refs);
 174}
 175
 176static int cmd_for_each_reflog_ent_reverse(struct ref_store *refs, const char **argv)
 177{
 178        const char *refname = notnull(*argv++, "refname");
 179
 180        return refs_for_each_reflog_ent_reverse(refs, refname, each_reflog, refs);
 181}
 182
 183static int cmd_reflog_exists(struct ref_store *refs, const char **argv)
 184{
 185        const char *refname = notnull(*argv++, "refname");
 186
 187        return !refs_reflog_exists(refs, refname);
 188}
 189
 190static int cmd_create_reflog(struct ref_store *refs, const char **argv)
 191{
 192        const char *refname = notnull(*argv++, "refname");
 193        int force_create = arg_flags(*argv++, "force-create");
 194        struct strbuf err = STRBUF_INIT;
 195        int ret;
 196
 197        ret = refs_create_reflog(refs, refname, force_create, &err);
 198        if (err.len)
 199                puts(err.buf);
 200        return ret;
 201}
 202
 203static int cmd_delete_reflog(struct ref_store *refs, const char **argv)
 204{
 205        const char *refname = notnull(*argv++, "refname");
 206
 207        return refs_delete_reflog(refs, refname);
 208}
 209
 210static int cmd_reflog_expire(struct ref_store *refs, const char **argv)
 211{
 212        die("not supported yet");
 213}
 214
 215static int cmd_delete_ref(struct ref_store *refs, const char **argv)
 216{
 217        const char *msg = notnull(*argv++, "msg");
 218        const char *refname = notnull(*argv++, "refname");
 219        const char *sha1_buf = notnull(*argv++, "old-sha1");
 220        unsigned int flags = arg_flags(*argv++, "flags");
 221        struct object_id old_oid;
 222
 223        if (get_oid_hex(sha1_buf, &old_oid))
 224                die("not sha-1");
 225
 226        return refs_delete_ref(refs, msg, refname, &old_oid, flags);
 227}
 228
 229static int cmd_update_ref(struct ref_store *refs, const char **argv)
 230{
 231        const char *msg = notnull(*argv++, "msg");
 232        const char *refname = notnull(*argv++, "refname");
 233        const char *new_sha1_buf = notnull(*argv++, "old-sha1");
 234        const char *old_sha1_buf = notnull(*argv++, "old-sha1");
 235        unsigned int flags = arg_flags(*argv++, "flags");
 236        struct object_id old_oid;
 237        struct object_id new_oid;
 238
 239        if (get_oid_hex(old_sha1_buf, &old_oid) ||
 240            get_oid_hex(new_sha1_buf, &new_oid))
 241                die("not sha-1");
 242
 243        return refs_update_ref(refs, msg, refname,
 244                               &new_oid, &old_oid,
 245                               flags, UPDATE_REFS_DIE_ON_ERR);
 246}
 247
 248struct command {
 249        const char *name;
 250        int (*func)(struct ref_store *refs, const char **argv);
 251};
 252
 253static struct command commands[] = {
 254        { "pack-refs", cmd_pack_refs },
 255        { "peel-ref", cmd_peel_ref },
 256        { "create-symref", cmd_create_symref },
 257        { "delete-refs", cmd_delete_refs },
 258        { "rename-ref", cmd_rename_ref },
 259        { "for-each-ref", cmd_for_each_ref },
 260        { "resolve-ref", cmd_resolve_ref },
 261        { "verify-ref", cmd_verify_ref },
 262        { "for-each-reflog", cmd_for_each_reflog },
 263        { "for-each-reflog-ent", cmd_for_each_reflog_ent },
 264        { "for-each-reflog-ent-reverse", cmd_for_each_reflog_ent_reverse },
 265        { "reflog-exists", cmd_reflog_exists },
 266        { "create-reflog", cmd_create_reflog },
 267        { "delete-reflog", cmd_delete_reflog },
 268        { "reflog-expire", cmd_reflog_expire },
 269        /*
 270         * backend transaction functions can't be tested separately
 271         */
 272        { "delete-ref", cmd_delete_ref },
 273        { "update-ref", cmd_update_ref },
 274        { NULL, NULL }
 275};
 276
 277int cmd_main(int argc, const char **argv)
 278{
 279        struct ref_store *refs;
 280        const char *func;
 281        struct command *cmd;
 282
 283        setup_git_directory();
 284
 285        argv = get_store(argv + 1, &refs);
 286
 287        func = *argv++;
 288        if (!func)
 289                die("ref function required");
 290        for (cmd = commands; cmd->name; cmd++) {
 291                if (!strcmp(func, cmd->name))
 292                        return cmd->func(refs, argv);
 293        }
 294        die("unknown function %s", func);
 295        return 0;
 296}