diff options
Diffstat (limited to 'odb.c')
| -rw-r--r-- | odb.c | 104 |
1 files changed, 73 insertions, 31 deletions
@@ -86,17 +86,16 @@ int odb_mkstemp(struct object_database *odb, /* * Return non-zero iff the path is usable as an alternate object database. */ -static int alt_odb_usable(struct object_database *o, - struct strbuf *path, - const char *normalized_objdir, khiter_t *pos) +static int alt_odb_usable(struct object_database *o, const char *path, + const char *normalized_objdir) { int r; /* Detect cases where alternate disappeared */ - if (!is_directory(path->buf)) { + if (!is_directory(path)) { error(_("object directory %s does not exist; " "check .git/objects/info/alternates"), - path->buf); + path); return 0; } @@ -113,11 +112,14 @@ static int alt_odb_usable(struct object_database *o, assert(r == 1); /* never used */ kh_value(o->source_by_path, p) = o->sources; } - if (fspatheq(path->buf, normalized_objdir)) + + if (fspatheq(path, normalized_objdir)) + return 0; + + if (kh_get_odb_path_map(o->source_by_path, path) < kh_end(o->source_by_path)) return 0; - *pos = kh_put_odb_path_map(o->source_by_path, path->buf, &r); - /* r: 0 = exists, 1 = never used, 2 = deleted */ - return r == 0 ? 0 : 1; + + return 1; } /* @@ -139,6 +141,21 @@ static void read_info_alternates(struct object_database *odb, const char *relative_base, int depth); +struct odb_source *odb_source_new(struct object_database *odb, + const char *path, + bool local) +{ + struct odb_source *source; + + CALLOC_ARRAY(source, 1); + source->odb = odb; + source->local = local; + source->path = xstrdup(path); + source->loose = odb_source_loose_new(source); + + return source; +} + static struct odb_source *link_alt_odb_entry(struct object_database *odb, const char *dir, const char *relative_base, @@ -148,6 +165,7 @@ static struct odb_source *link_alt_odb_entry(struct object_database *odb, struct strbuf pathbuf = STRBUF_INIT; struct strbuf tmp = STRBUF_INIT; khiter_t pos; + int ret; if (!is_absolute_path(dir) && relative_base) { strbuf_realpath(&pathbuf, relative_base, 1); @@ -172,20 +190,18 @@ static struct odb_source *link_alt_odb_entry(struct object_database *odb, strbuf_reset(&tmp); strbuf_realpath(&tmp, odb->sources->path, 1); - if (!alt_odb_usable(odb, &pathbuf, tmp.buf, &pos)) + if (!alt_odb_usable(odb, pathbuf.buf, tmp.buf)) goto error; - CALLOC_ARRAY(alternate, 1); - alternate->odb = odb; - alternate->local = false; - /* pathbuf.buf is already in r->objects->source_by_path */ - alternate->path = strbuf_detach(&pathbuf, NULL); + alternate = odb_source_new(odb, pathbuf.buf, false); /* add the alternate entry */ *odb->sources_tail = alternate; odb->sources_tail = &(alternate->next); - alternate->next = NULL; - assert(odb->source_by_path); + + pos = kh_put_odb_path_map(odb->source_by_path, alternate->path, &ret); + if (!ret) + BUG("source must not yet exist"); kh_value(odb->source_by_path, pos) = alternate; /* recursively add alternates */ @@ -337,9 +353,7 @@ struct odb_source *odb_set_temporary_primary_source(struct object_database *odb, * Make a new primary odb and link the old primary ODB in as an * alternate */ - source = xcalloc(1, sizeof(*source)); - source->odb = odb; - source->path = xstrdup(dir); + source = odb_source_new(odb, dir, false); /* * Disable ref updates while a temporary odb is active, since @@ -352,11 +366,10 @@ struct odb_source *odb_set_temporary_primary_source(struct object_database *odb, return source->next; } -static void free_object_directory(struct odb_source *source) +static void odb_source_free(struct odb_source *source) { free(source->path); - odb_clear_loose_cache(source); - loose_object_map_clear(&source->loose_map); + odb_source_loose_free(source->loose); free(source); } @@ -374,7 +387,7 @@ void odb_restore_primary_source(struct object_database *odb, BUG("we expect the old primary object store to be the first alternate"); odb->sources = restore_source; - free_object_directory(cur_source); + odb_source_free(cur_source); } char *compute_alternate_path(const char *path, struct strbuf *err) @@ -684,13 +697,18 @@ static int do_oid_object_info_extended(struct object_database *odb, return 0; } + odb_prepare_alternates(odb); + while (1) { + struct odb_source *source; + if (find_pack_entry(odb->repo, real, &e)) break; /* Most likely it's a loose object. */ - if (!loose_object_info(odb->repo, real, oi, flags)) - return 0; + for (source = odb->sources; source; source = source->next) + if (!odb_source_loose_read_object_info(source, real, oi, flags)) + return 0; /* Not a loose object; someone else may have just packed it. */ if (!(flags & OBJECT_INFO_QUICK)) { @@ -969,6 +987,22 @@ int odb_has_object(struct object_database *odb, const struct object_id *oid, return odb_read_object_info_extended(odb, oid, NULL, object_info_flags) >= 0; } +int odb_freshen_object(struct object_database *odb, + const struct object_id *oid) +{ + struct odb_source *source; + + if (packfile_store_freshen_object(odb->packfiles, oid)) + return 1; + + odb_prepare_alternates(odb); + for (source = odb->sources; source; source = source->next) + if (odb_source_loose_freshen_object(source, oid)) + return 1; + + return 0; +} + void odb_assert_oid_type(struct object_database *odb, const struct object_id *oid, enum object_type expect) { @@ -987,7 +1021,15 @@ int odb_write_object_ext(struct object_database *odb, struct object_id *compat_oid, unsigned flags) { - return write_object_file(odb->sources, buf, len, type, oid, compat_oid, flags); + return odb_source_loose_write_object(odb->sources, buf, len, type, + oid, compat_oid, flags); +} + +int odb_write_object_stream(struct object_database *odb, + struct odb_write_stream *stream, size_t len, + struct object_id *oid) +{ + return odb_source_loose_write_stream(odb->sources, stream, len, oid); } struct object_database *odb_new(struct repository *repo) @@ -1002,13 +1044,13 @@ struct object_database *odb_new(struct repository *repo) return o; } -static void free_object_directories(struct object_database *o) +static void odb_free_sources(struct object_database *o) { while (o->sources) { struct odb_source *next; next = o->sources->next; - free_object_directory(o->sources); + odb_source_free(o->sources); o->sources = next; } kh_destroy_odb_path_map(o->source_by_path); @@ -1026,7 +1068,7 @@ void odb_clear(struct object_database *o) o->commit_graph = NULL; o->commit_graph_attempted = 0; - free_object_directories(o); + odb_free_sources(o); o->sources_tail = NULL; o->loaded_alternates = 0; @@ -1057,7 +1099,7 @@ void odb_reprepare(struct object_database *o) odb_prepare_alternates(o); for (source = o->sources; source; source = source->next) - odb_clear_loose_cache(source); + odb_source_loose_reprepare(source); o->approximate_object_count_valid = 0; |
