diff options
Diffstat (limited to 'refs.c')
-rw-r--r-- | refs.c | 84 |
1 files changed, 51 insertions, 33 deletions
@@ -303,7 +303,7 @@ enum peel_status peel_object(const struct object_id *name, struct object_id *oid struct object *o = lookup_unknown_object(name->hash); if (o->type == OBJ_NONE) { - int type = oid_object_info(name, NULL); + int type = oid_object_info(the_repository, name, NULL); if (type < 0 || !object_as_type(o, type, 0)) return PEEL_INVALID; } @@ -615,7 +615,8 @@ int dwim_log(const char *str, int len, struct object_id *oid, char **log) static int is_per_worktree_ref(const char *refname) { return !strcmp(refname, "HEAD") || - starts_with(refname, "refs/bisect/"); + starts_with(refname, "refs/bisect/") || + starts_with(refname, "refs/rewritten/"); } static int is_pseudoref_syntax(const char *refname) @@ -659,7 +660,7 @@ static int write_pseudoref(const char *pseudoref, const struct object_id *oid, { const char *filename; int fd; - static struct lock_file lock; + struct lock_file lock = LOCK_INIT; struct strbuf buf = STRBUF_INIT; int ret = -1; @@ -669,8 +670,7 @@ static int write_pseudoref(const char *pseudoref, const struct object_id *oid, strbuf_addf(&buf, "%s\n", oid_to_hex(oid)); filename = git_path("%s", pseudoref); - fd = hold_lock_file_for_update_timeout(&lock, filename, - LOCK_DIE_ON_ERROR, + fd = hold_lock_file_for_update_timeout(&lock, filename, 0, get_files_ref_lock_timeout_ms()); if (fd < 0) { strbuf_addf(err, "could not open '%s' for writing: %s", @@ -681,10 +681,21 @@ static int write_pseudoref(const char *pseudoref, const struct object_id *oid, if (old_oid) { struct object_id actual_old_oid; - if (read_ref(pseudoref, &actual_old_oid)) - die("could not read ref '%s'", pseudoref); - if (oidcmp(&actual_old_oid, old_oid)) { - strbuf_addf(err, "unexpected sha1 when writing '%s'", pseudoref); + if (read_ref(pseudoref, &actual_old_oid)) { + if (!is_null_oid(old_oid)) { + strbuf_addf(err, "could not read ref '%s'", + pseudoref); + rollback_lock_file(&lock); + goto done; + } + } else if (is_null_oid(old_oid)) { + strbuf_addf(err, "ref '%s' already exists", + pseudoref); + rollback_lock_file(&lock); + goto done; + } else if (oidcmp(&actual_old_oid, old_oid)) { + strbuf_addf(err, "unexpected object ID when writing '%s'", + pseudoref); rollback_lock_file(&lock); goto done; } @@ -705,24 +716,28 @@ done: static int delete_pseudoref(const char *pseudoref, const struct object_id *old_oid) { - static struct lock_file lock; const char *filename; filename = git_path("%s", pseudoref); if (old_oid && !is_null_oid(old_oid)) { + struct lock_file lock = LOCK_INIT; int fd; struct object_id actual_old_oid; fd = hold_lock_file_for_update_timeout( - &lock, filename, LOCK_DIE_ON_ERROR, + &lock, filename, 0, get_files_ref_lock_timeout_ms()); - if (fd < 0) - die_errno(_("Could not open '%s' for writing"), filename); + if (fd < 0) { + error_errno(_("could not open '%s' for writing"), + filename); + return -1; + } if (read_ref(pseudoref, &actual_old_oid)) die("could not read ref '%s'", pseudoref); if (oidcmp(&actual_old_oid, old_oid)) { - warning("Unexpected sha1 when deleting %s", pseudoref); + error("unexpected object ID when deleting '%s'", + pseudoref); rollback_lock_file(&lock); return -1; } @@ -959,10 +974,10 @@ void ref_transaction_free(struct ref_transaction *transaction) /* OK */ break; case REF_TRANSACTION_PREPARED: - die("BUG: free called on a prepared reference transaction"); + BUG("free called on a prepared reference transaction"); break; default: - die("BUG: unexpected reference transaction state"); + BUG("unexpected reference transaction state"); break; } @@ -984,7 +999,7 @@ struct ref_update *ref_transaction_add_update( struct ref_update *update; if (transaction->state != REF_TRANSACTION_OPEN) - die("BUG: update called for transaction that is not open"); + BUG("update called for transaction that is not open"); FLEX_ALLOC_STR(update, refname, refname); ALLOC_GROW(transaction->updates, transaction->nr + 1, transaction->alloc); @@ -1034,7 +1049,7 @@ int ref_transaction_create(struct ref_transaction *transaction, struct strbuf *err) { if (!new_oid || is_null_oid(new_oid)) - die("BUG: create called without valid new_oid"); + BUG("create called without valid new_oid"); return ref_transaction_update(transaction, refname, new_oid, &null_oid, flags, msg, err); } @@ -1046,7 +1061,7 @@ int ref_transaction_delete(struct ref_transaction *transaction, struct strbuf *err) { if (old_oid && is_null_oid(old_oid)) - die("BUG: delete called with old_oid set to zeros"); + BUG("delete called with old_oid set to zeros"); return ref_transaction_update(transaction, refname, &null_oid, old_oid, flags, msg, err); @@ -1059,7 +1074,7 @@ int ref_transaction_verify(struct ref_transaction *transaction, struct strbuf *err) { if (!old_oid) - die("BUG: verify called with old_oid set to NULL"); + BUG("verify called with old_oid set to NULL"); return ref_transaction_update(transaction, refname, NULL, old_oid, flags, NULL, err); @@ -1147,8 +1162,8 @@ char *shorten_unambiguous_ref(const char *refname, int strict) for (i = 0; i < nr_rules; i++) { assert(offset < total_len); scanf_fmts[i] = (char *)&scanf_fmts[nr_rules] + offset; - offset += snprintf(scanf_fmts[i], total_len - offset, - ref_rev_parse_rules[i], 2, "%s") + 1; + offset += xsnprintf(scanf_fmts[i], total_len - offset, + ref_rev_parse_rules[i], 2, "%s") + 1; } } @@ -1657,7 +1672,7 @@ static struct ref_store *ref_store_init(const char *gitdir, struct ref_store *refs; if (!be) - die("BUG: reference backend %s is unknown", be_name); + BUG("reference backend %s is unknown", be_name); refs = be->init(gitdir, flags); return refs; @@ -1668,6 +1683,9 @@ struct ref_store *get_main_ref_store(struct repository *r) if (r->refs) return r->refs; + if (!r->gitdir) + BUG("attempting to get main_ref_store outside of repository"); + r->refs = ref_store_init(r->gitdir, REF_STORE_ALL_CAPS); return r->refs; } @@ -1685,7 +1703,7 @@ static void register_ref_store_map(struct hashmap *map, hashmap_init(map, ref_store_hash_cmp, NULL, 0); if (hashmap_put(map, alloc_ref_store_hash_entry(name, refs))) - die("BUG: %s ref_store '%s' initialized twice", type, name); + BUG("%s ref_store '%s' initialized twice", type, name); } struct ref_store *get_submodule_ref_store(const char *submodule) @@ -1831,7 +1849,7 @@ int ref_update_reject_duplicates(struct string_list *refnames, refnames->items[i].string); return 1; } else if (cmp > 0) { - die("BUG: ref_update_reject_duplicates() received unsorted list"); + BUG("ref_update_reject_duplicates() received unsorted list"); } } return 0; @@ -1847,13 +1865,13 @@ int ref_transaction_prepare(struct ref_transaction *transaction, /* Good. */ break; case REF_TRANSACTION_PREPARED: - die("BUG: prepare called twice on reference transaction"); + BUG("prepare called twice on reference transaction"); break; case REF_TRANSACTION_CLOSED: - die("BUG: prepare called on a closed reference transaction"); + BUG("prepare called on a closed reference transaction"); break; default: - die("BUG: unexpected reference transaction state"); + BUG("unexpected reference transaction state"); break; } @@ -1880,10 +1898,10 @@ int ref_transaction_abort(struct ref_transaction *transaction, ret = refs->be->transaction_abort(refs, transaction, err); break; case REF_TRANSACTION_CLOSED: - die("BUG: abort called on a closed reference transaction"); + BUG("abort called on a closed reference transaction"); break; default: - die("BUG: unexpected reference transaction state"); + BUG("unexpected reference transaction state"); break; } @@ -1908,10 +1926,10 @@ int ref_transaction_commit(struct ref_transaction *transaction, /* Fall through to finish. */ break; case REF_TRANSACTION_CLOSED: - die("BUG: commit called on a closed reference transaction"); + BUG("commit called on a closed reference transaction"); break; default: - die("BUG: unexpected reference transaction state"); + BUG("unexpected reference transaction state"); break; } @@ -1992,7 +2010,7 @@ int refs_verify_refname_available(struct ref_store *refs, } if (ok != ITER_DONE) - die("BUG: error while iterating over references"); + BUG("error while iterating over references"); extra_refname = find_descendant_ref(dirname.buf, extras, skip); if (extra_refname) |