diff options
Diffstat (limited to 'object-file.c')
-rw-r--r-- | object-file.c | 75 |
1 files changed, 45 insertions, 30 deletions
diff --git a/object-file.c b/object-file.c index ecca5a8da0..3d27dc8dea 100644 --- a/object-file.c +++ b/object-file.c @@ -517,9 +517,9 @@ const char *loose_object_path(struct repository *r, struct strbuf *buf, */ static int alt_odb_usable(struct raw_object_store *o, struct strbuf *path, - const char *normalized_objdir) + const char *normalized_objdir, khiter_t *pos) { - struct object_directory *odb; + int r; /* Detect cases where alternate disappeared */ if (!is_directory(path->buf)) { @@ -533,14 +533,20 @@ static int alt_odb_usable(struct raw_object_store *o, * Prevent the common mistake of listing the same * thing twice, or object directory itself. */ - for (odb = o->odb; odb; odb = odb->next) { - if (!fspathcmp(path->buf, odb->path)) - return 0; + if (!o->odb_by_path) { + khiter_t p; + + o->odb_by_path = kh_init_odb_path_map(); + assert(!o->odb->next); + p = kh_put_odb_path_map(o->odb_by_path, o->odb->path, &r); + assert(r == 1); /* never used */ + kh_value(o->odb_by_path, p) = o->odb; } - if (!fspathcmp(path->buf, normalized_objdir)) + if (fspatheq(path->buf, normalized_objdir)) return 0; - - return 1; + *pos = kh_put_odb_path_map(o->odb_by_path, path->buf, &r); + /* r: 0 = exists, 1 = never used, 2 = deleted */ + return r == 0 ? 0 : 1; } /* @@ -561,17 +567,18 @@ static int alt_odb_usable(struct raw_object_store *o, static void read_info_alternates(struct repository *r, const char *relative_base, int depth); -static int link_alt_odb_entry(struct repository *r, const char *entry, +static int link_alt_odb_entry(struct repository *r, const struct strbuf *entry, const char *relative_base, int depth, const char *normalized_objdir) { struct object_directory *ent; struct strbuf pathbuf = STRBUF_INIT; + khiter_t pos; - if (!is_absolute_path(entry) && relative_base) { + if (!is_absolute_path(entry->buf) && relative_base) { strbuf_realpath(&pathbuf, relative_base, 1); strbuf_addch(&pathbuf, '/'); } - strbuf_addstr(&pathbuf, entry); + strbuf_addbuf(&pathbuf, entry); if (strbuf_normalize_path(&pathbuf) < 0 && relative_base) { error(_("unable to normalize alternate object path: %s"), @@ -587,23 +594,25 @@ static int link_alt_odb_entry(struct repository *r, const char *entry, while (pathbuf.len && pathbuf.buf[pathbuf.len - 1] == '/') strbuf_setlen(&pathbuf, pathbuf.len - 1); - if (!alt_odb_usable(r->objects, &pathbuf, normalized_objdir)) { + if (!alt_odb_usable(r->objects, &pathbuf, normalized_objdir, &pos)) { strbuf_release(&pathbuf); return -1; } CALLOC_ARRAY(ent, 1); - ent->path = xstrdup(pathbuf.buf); + /* pathbuf.buf is already in r->objects->odb_by_path */ + ent->path = strbuf_detach(&pathbuf, NULL); /* add the alternate entry */ *r->objects->odb_tail = ent; r->objects->odb_tail = &(ent->next); ent->next = NULL; + assert(r->objects->odb_by_path); + kh_value(r->objects->odb_by_path, pos) = ent; /* recursively add alternates */ - read_info_alternates(r, pathbuf.buf, depth + 1); + read_info_alternates(r, ent->path, depth + 1); - strbuf_release(&pathbuf); return 0; } @@ -660,7 +669,7 @@ static void link_alt_odb_entries(struct repository *r, const char *alt, alt = parse_alt_odb_entry(alt, sep, &entry); if (!entry.len) continue; - link_alt_odb_entry(r, entry.buf, + link_alt_odb_entry(r, &entry, relative_base, depth, objdirbuf.buf); } strbuf_release(&entry); @@ -1178,7 +1187,7 @@ static int quick_has_loose(struct repository *r, prepare_alt_odb(r); for (odb = r->objects->odb; odb; odb = odb->next) { - if (oid_array_lookup(odb_loose_cache(odb, oid), oid) >= 0) + if (oidtree_contains(odb_loose_cache(odb, oid), oid)) return 1; } return 0; @@ -2454,39 +2463,45 @@ int for_each_loose_object(each_loose_object_fn cb, void *data, static int append_loose_object(const struct object_id *oid, const char *path, void *data) { - oid_array_append(data, oid); + oidtree_insert(data, oid); return 0; } -struct oid_array *odb_loose_cache(struct object_directory *odb, +struct oidtree *odb_loose_cache(struct object_directory *odb, const struct object_id *oid) { int subdir_nr = oid->hash[0]; struct strbuf buf = STRBUF_INIT; + size_t word_bits = bitsizeof(odb->loose_objects_subdir_seen[0]); + size_t word_index = subdir_nr / word_bits; + size_t mask = 1 << (subdir_nr % word_bits); + uint32_t *bitmap; if (subdir_nr < 0 || - subdir_nr >= ARRAY_SIZE(odb->loose_objects_subdir_seen)) + subdir_nr >= bitsizeof(odb->loose_objects_subdir_seen)) BUG("subdir_nr out of range"); - if (odb->loose_objects_subdir_seen[subdir_nr]) - return &odb->loose_objects_cache[subdir_nr]; - + bitmap = &odb->loose_objects_subdir_seen[word_index]; + if (*bitmap & mask) + return odb->loose_objects_cache; + if (!odb->loose_objects_cache) { + ALLOC_ARRAY(odb->loose_objects_cache, 1); + oidtree_init(odb->loose_objects_cache); + } strbuf_addstr(&buf, odb->path); for_each_file_in_obj_subdir(subdir_nr, &buf, append_loose_object, NULL, NULL, - &odb->loose_objects_cache[subdir_nr]); - odb->loose_objects_subdir_seen[subdir_nr] = 1; + odb->loose_objects_cache); + *bitmap |= mask; strbuf_release(&buf); - return &odb->loose_objects_cache[subdir_nr]; + return odb->loose_objects_cache; } void odb_clear_loose_cache(struct object_directory *odb) { - int i; - - for (i = 0; i < ARRAY_SIZE(odb->loose_objects_cache); i++) - oid_array_clear(&odb->loose_objects_cache[i]); + oidtree_clear(odb->loose_objects_cache); + FREE_AND_NULL(odb->loose_objects_cache); memset(&odb->loose_objects_subdir_seen, 0, sizeof(odb->loose_objects_subdir_seen)); } |