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-rw-r--r--t/helper/test-ref-store.c344
1 files changed, 344 insertions, 0 deletions
diff --git a/t/helper/test-ref-store.c b/t/helper/test-ref-store.c
new file mode 100644
index 0000000..ae8a564
--- /dev/null
+++ b/t/helper/test-ref-store.c
@@ -0,0 +1,344 @@
+#include "test-tool.h"
+#include "cache.h"
+#include "refs.h"
+#include "worktree.h"
+#include "object-store.h"
+#include "repository.h"
+
+struct flag_definition {
+ const char *name;
+ uint64_t mask;
+};
+
+#define FLAG_DEF(x) \
+ { \
+#x, (x) \
+ }
+
+static unsigned int parse_flags(const char *str, struct flag_definition *defs)
+{
+ struct string_list masks = STRING_LIST_INIT_DUP;
+ int i = 0;
+ unsigned int result = 0;
+
+ if (!strcmp(str, "0"))
+ return 0;
+
+ string_list_split(&masks, str, ',', 64);
+ for (; i < masks.nr; i++) {
+ const char *name = masks.items[i].string;
+ struct flag_definition *def = defs;
+ int found = 0;
+ while (def->name) {
+ if (!strcmp(def->name, name)) {
+ result |= def->mask;
+ found = 1;
+ break;
+ }
+ def++;
+ }
+ if (!found)
+ die("unknown flag \"%s\"", name);
+ }
+
+ string_list_clear(&masks, 0);
+ return result;
+}
+
+static struct flag_definition empty_flags[] = { { NULL, 0 } };
+
+static const char *notnull(const char *arg, const char *name)
+{
+ if (!arg)
+ die("%s required", name);
+ return arg;
+}
+
+static unsigned int arg_flags(const char *arg, const char *name,
+ struct flag_definition *defs)
+{
+ return parse_flags(notnull(arg, name), defs);
+}
+
+static const char **get_store(const char **argv, struct ref_store **refs)
+{
+ const char *gitdir;
+
+ if (!argv[0]) {
+ die("ref store required");
+ } else if (!strcmp(argv[0], "main")) {
+ *refs = get_main_ref_store(the_repository);
+ } else if (skip_prefix(argv[0], "submodule:", &gitdir)) {
+ struct strbuf sb = STRBUF_INIT;
+ int ret;
+
+ ret = strbuf_git_path_submodule(&sb, gitdir, "objects/");
+ if (ret)
+ die("strbuf_git_path_submodule failed: %d", ret);
+ add_to_alternates_memory(sb.buf);
+ strbuf_release(&sb);
+
+ *refs = get_submodule_ref_store(gitdir);
+ } else if (skip_prefix(argv[0], "worktree:", &gitdir)) {
+ struct worktree **p, **worktrees = get_worktrees();
+
+ for (p = worktrees; *p; p++) {
+ struct worktree *wt = *p;
+
+ if (!wt->id) {
+ /* special case for main worktree */
+ if (!strcmp(gitdir, "main"))
+ break;
+ } else if (!strcmp(gitdir, wt->id))
+ break;
+ }
+ if (!*p)
+ die("no such worktree: %s", gitdir);
+
+ *refs = get_worktree_ref_store(*p);
+ free_worktrees(worktrees);
+ } else
+ die("unknown backend %s", argv[0]);
+
+ if (!*refs)
+ die("no ref store");
+
+ /* consume store-specific optional arguments if needed */
+
+ return argv + 1;
+}
+
+static struct flag_definition pack_flags[] = { FLAG_DEF(PACK_REFS_PRUNE),
+ FLAG_DEF(PACK_REFS_ALL),
+ { NULL, 0 } };
+
+static int cmd_pack_refs(struct ref_store *refs, const char **argv)
+{
+ unsigned int flags = arg_flags(*argv++, "flags", pack_flags);
+
+ return refs_pack_refs(refs, flags);
+}
+
+static int cmd_create_symref(struct ref_store *refs, const char **argv)
+{
+ const char *refname = notnull(*argv++, "refname");
+ const char *target = notnull(*argv++, "target");
+ const char *logmsg = *argv++;
+
+ return refs_create_symref(refs, refname, target, logmsg);
+}
+
+static struct flag_definition transaction_flags[] = {
+ FLAG_DEF(REF_NO_DEREF),
+ FLAG_DEF(REF_FORCE_CREATE_REFLOG),
+ FLAG_DEF(REF_SKIP_OID_VERIFICATION),
+ FLAG_DEF(REF_SKIP_REFNAME_VERIFICATION),
+ { NULL, 0 }
+};
+
+static int cmd_delete_refs(struct ref_store *refs, const char **argv)
+{
+ unsigned int flags = arg_flags(*argv++, "flags", transaction_flags);
+ const char *msg = *argv++;
+ struct string_list refnames = STRING_LIST_INIT_NODUP;
+ int result;
+
+ while (*argv)
+ string_list_append(&refnames, *argv++);
+
+ result = refs_delete_refs(refs, msg, &refnames, flags);
+ string_list_clear(&refnames, 0);
+ return result;
+}
+
+static int cmd_rename_ref(struct ref_store *refs, const char **argv)
+{
+ const char *oldref = notnull(*argv++, "oldref");
+ const char *newref = notnull(*argv++, "newref");
+ const char *logmsg = *argv++;
+
+ return refs_rename_ref(refs, oldref, newref, logmsg);
+}
+
+static int each_ref(const char *refname, const struct object_id *oid,
+ int flags, void *cb_data UNUSED)
+{
+ printf("%s %s 0x%x\n", oid_to_hex(oid), refname, flags);
+ return 0;
+}
+
+static int cmd_for_each_ref(struct ref_store *refs, const char **argv)
+{
+ const char *prefix = notnull(*argv++, "prefix");
+
+ return refs_for_each_ref_in(refs, prefix, each_ref, NULL);
+}
+
+static int cmd_resolve_ref(struct ref_store *refs, const char **argv)
+{
+ struct object_id oid = *null_oid();
+ const char *refname = notnull(*argv++, "refname");
+ int resolve_flags = arg_flags(*argv++, "resolve-flags", empty_flags);
+ int flags;
+ const char *ref;
+
+ ref = refs_resolve_ref_unsafe(refs, refname, resolve_flags,
+ &oid, &flags);
+ printf("%s %s 0x%x\n", oid_to_hex(&oid), ref ? ref : "(null)", flags);
+ return ref ? 0 : 1;
+}
+
+static int cmd_verify_ref(struct ref_store *refs, const char **argv)
+{
+ const char *refname = notnull(*argv++, "refname");
+ struct strbuf err = STRBUF_INIT;
+ int ret;
+
+ ret = refs_verify_refname_available(refs, refname, NULL, NULL, &err);
+ if (err.len)
+ puts(err.buf);
+ return ret;
+}
+
+static int cmd_for_each_reflog(struct ref_store *refs, const char **argv)
+{
+ return refs_for_each_reflog(refs, each_ref, NULL);
+}
+
+static int each_reflog(struct object_id *old_oid, struct object_id *new_oid,
+ const char *committer, timestamp_t timestamp,
+ int tz, const char *msg, void *cb_data UNUSED)
+{
+ printf("%s %s %s %" PRItime " %+05d%s%s", oid_to_hex(old_oid),
+ oid_to_hex(new_oid), committer, timestamp, tz,
+ *msg == '\n' ? "" : "\t", msg);
+ return 0;
+}
+
+static int cmd_for_each_reflog_ent(struct ref_store *refs, const char **argv)
+{
+ const char *refname = notnull(*argv++, "refname");
+
+ return refs_for_each_reflog_ent(refs, refname, each_reflog, refs);
+}
+
+static int cmd_for_each_reflog_ent_reverse(struct ref_store *refs, const char **argv)
+{
+ const char *refname = notnull(*argv++, "refname");
+
+ return refs_for_each_reflog_ent_reverse(refs, refname, each_reflog, refs);
+}
+
+static int cmd_reflog_exists(struct ref_store *refs, const char **argv)
+{
+ const char *refname = notnull(*argv++, "refname");
+
+ return !refs_reflog_exists(refs, refname);
+}
+
+static int cmd_create_reflog(struct ref_store *refs, const char **argv)
+{
+ const char *refname = notnull(*argv++, "refname");
+ struct strbuf err = STRBUF_INIT;
+ int ret;
+
+ ret = refs_create_reflog(refs, refname, &err);
+ if (err.len)
+ puts(err.buf);
+ return ret;
+}
+
+static int cmd_delete_reflog(struct ref_store *refs, const char **argv)
+{
+ const char *refname = notnull(*argv++, "refname");
+
+ return refs_delete_reflog(refs, refname);
+}
+
+static int cmd_reflog_expire(struct ref_store *refs, const char **argv)
+{
+ die("not supported yet");
+}
+
+static int cmd_delete_ref(struct ref_store *refs, const char **argv)
+{
+ const char *msg = notnull(*argv++, "msg");
+ const char *refname = notnull(*argv++, "refname");
+ const char *sha1_buf = notnull(*argv++, "old-sha1");
+ unsigned int flags = arg_flags(*argv++, "flags", transaction_flags);
+ struct object_id old_oid;
+
+ if (get_oid_hex(sha1_buf, &old_oid))
+ die("cannot parse %s as %s", sha1_buf, the_hash_algo->name);
+
+ return refs_delete_ref(refs, msg, refname, &old_oid, flags);
+}
+
+static int cmd_update_ref(struct ref_store *refs, const char **argv)
+{
+ const char *msg = notnull(*argv++, "msg");
+ const char *refname = notnull(*argv++, "refname");
+ const char *new_sha1_buf = notnull(*argv++, "new-sha1");
+ const char *old_sha1_buf = notnull(*argv++, "old-sha1");
+ unsigned int flags = arg_flags(*argv++, "flags", transaction_flags);
+ struct object_id old_oid;
+ struct object_id new_oid;
+
+ if (get_oid_hex(old_sha1_buf, &old_oid))
+ die("cannot parse %s as %s", old_sha1_buf, the_hash_algo->name);
+ if (get_oid_hex(new_sha1_buf, &new_oid))
+ die("cannot parse %s as %s", new_sha1_buf, the_hash_algo->name);
+
+ return refs_update_ref(refs, msg, refname,
+ &new_oid, &old_oid,
+ flags, UPDATE_REFS_DIE_ON_ERR);
+}
+
+struct command {
+ const char *name;
+ int (*func)(struct ref_store *refs, const char **argv);
+};
+
+static struct command commands[] = {
+ { "pack-refs", cmd_pack_refs },
+ { "create-symref", cmd_create_symref },
+ { "delete-refs", cmd_delete_refs },
+ { "rename-ref", cmd_rename_ref },
+ { "for-each-ref", cmd_for_each_ref },
+ { "resolve-ref", cmd_resolve_ref },
+ { "verify-ref", cmd_verify_ref },
+ { "for-each-reflog", cmd_for_each_reflog },
+ { "for-each-reflog-ent", cmd_for_each_reflog_ent },
+ { "for-each-reflog-ent-reverse", cmd_for_each_reflog_ent_reverse },
+ { "reflog-exists", cmd_reflog_exists },
+ { "create-reflog", cmd_create_reflog },
+ { "delete-reflog", cmd_delete_reflog },
+ { "reflog-expire", cmd_reflog_expire },
+ /*
+ * backend transaction functions can't be tested separately
+ */
+ { "delete-ref", cmd_delete_ref },
+ { "update-ref", cmd_update_ref },
+ { NULL, NULL }
+};
+
+int cmd__ref_store(int argc, const char **argv)
+{
+ struct ref_store *refs;
+ const char *func;
+ struct command *cmd;
+
+ setup_git_directory();
+
+ argv = get_store(argv + 1, &refs);
+
+ func = *argv++;
+ if (!func)
+ die("ref function required");
+ for (cmd = commands; cmd->name; cmd++) {
+ if (!strcmp(func, cmd->name))
+ return cmd->func(refs, argv);
+ }
+ die("unknown function %s", func);
+ return 0;
+}