diff options
-rw-r--r-- | src/refdb_fs.c | 147 |
1 files changed, 69 insertions, 78 deletions
diff --git a/src/refdb_fs.c b/src/refdb_fs.c index 7de56a1a0..97f0b07c4 100644 --- a/src/refdb_fs.c +++ b/src/refdb_fs.c @@ -29,7 +29,8 @@ GIT__USE_STRMAP; enum { PACKREF_HAS_PEEL = 1, PACKREF_WAS_LOOSE = 2, - PACKREF_CANNOT_PEEL = 4 + PACKREF_CANNOT_PEEL = 4, + PACKREF_SHADOWED = 8, }; enum { @@ -552,27 +553,16 @@ static int refdb_fs_backend__lookup( return result; } -struct dirent_list_data { - refdb_fs_backend *backend; - size_t repo_path_len; - unsigned int list_type:2; - - git_reference_foreach_cb callback; - void *callback_payload; - int callback_error; -}; - typedef struct { git_reference_iterator parent; - unsigned int loose; - /* packed */ - git_strmap *h; - khiter_t k; - /* loose */ - git_iterator *fsiter; - git_buf buf; + + git_vector loose; + unsigned int loose_pos; + khiter_t packed_pos; } refdb_fs_iter; +static int iter_load_loose_paths(refdb_fs_iter *iter); + static int refdb_fs_backend__iterator(git_reference_iterator **out, git_refdb_backend *_backend) { refdb_fs_iter *iter; @@ -588,103 +578,104 @@ static int refdb_fs_backend__iterator(git_reference_iterator **out, git_refdb_ba GITERR_CHECK_ALLOC(iter); iter->parent.backend = _backend; - iter->h = backend->refcache.packfile; - iter->k = kh_begin(backend->refcache.packfile); + iter_load_loose_paths(iter); *out = (git_reference_iterator *)iter; - return 0; } static void refdb_fs_backend__iterator_free(git_reference_iterator *_iter) { refdb_fs_iter *iter = (refdb_fs_iter *) _iter; + char *loose_path; + size_t i; - git_buf_free(&iter->buf); - git_iterator_free(iter->fsiter); + git_vector_foreach(&iter->loose, i, loose_path) { + free(loose_path); + } + + git_vector_free(&iter->loose); git__free(iter); } -static int iter_packed(const char **out, refdb_fs_iter *iter) +static int iter_load_loose_paths(refdb_fs_iter *iter) { - /* Move forward to the next entry */ - while (!kh_exist(iter->h, iter->k)) { - iter->k++; - if (iter->k == kh_end(iter->h)) - return GIT_ITEROVER; - } + refdb_fs_backend *backend = (refdb_fs_backend *) iter->parent.backend; + git_strmap *packfile = backend->refcache.packfile; - *out = kh_key(iter->h, iter->k); - iter->k++; + git_buf path = GIT_BUF_INIT; + git_iterator *fsit; + const git_index_entry *entry = NULL; - return 0; -} + if (git_buf_printf(&path, "%s/refs", backend->path) < 0) + return -1; -static int iter_loose(const char **out, refdb_fs_iter *iter) -{ - const git_index_entry *entry; - int retry; - git_strmap *packfile_refs; - refdb_fs_backend *backend = (refdb_fs_backend *) iter->parent.backend; + if (git_iterator_for_filesystem(&fsit, git_buf_cstr(&path), 0, NULL, NULL) < 0) + return -1; - packfile_refs = backend->refcache.packfile; + git_vector_init(&iter->loose, 8, NULL); + git_buf_sets(&path, GIT_REFS_DIR); - do { + while (!git_iterator_current(&entry, fsit) && entry) { + const char *ref_name; khiter_t pos; - if (git_iterator_current(&entry, iter->fsiter) < 0) - return -1; - git_buf_clear(&iter->buf); - if (!entry) - return GIT_ITEROVER; + git_buf_truncate(&path, strlen(GIT_REFS_DIR)); + git_buf_puts(&path, entry->path); + ref_name = git_buf_cstr(&path); - if (git_buf_printf(&iter->buf, "refs/%s", entry->path) < 0) - return -1; + if (git__suffixcmp(ref_name, ".lock") == 0) { + git_iterator_advance(NULL, fsit); + continue; + } - git_iterator_advance(NULL, iter->fsiter); + pos = git_strmap_lookup_index(packfile, ref_name); + if (git_strmap_valid_index(packfile, pos)) { + struct packref *ref = git_strmap_value_at(packfile, pos); + ref->flags |= PACKREF_SHADOWED; + } - /* Skip this one if we already listed it in packed */ - pos = git_strmap_lookup_index(packfile_refs, git_buf_cstr(&iter->buf)); - retry = 0; - if (git_strmap_valid_index(packfile_refs, pos) || - !git_reference_is_valid_name(git_buf_cstr(&iter->buf))) - retry = 1; + git_vector_insert(&iter->loose, git__strdup(ref_name)); + git_iterator_advance(NULL, fsit); + } - *out = git_buf_cstr(&iter->buf); - } while (retry); + git_iterator_free(fsit); + git_buf_free(&path); return 0; } -static int iter_loose_setup(refdb_fs_iter *iter) +static int refdb_fs_backend__next(const char **out, git_reference_iterator *_iter) { + refdb_fs_iter *iter = (refdb_fs_iter *)_iter; refdb_fs_backend *backend = (refdb_fs_backend *) iter->parent.backend; + git_strmap *packfile = backend->refcache.packfile; - git_buf_clear(&iter->buf); - if (git_buf_printf(&iter->buf, "%s/refs", backend->path) < 0) - return -1; + if (iter->loose_pos < iter->loose.length) { + const char *path = git_vector_get(&iter->loose, iter->loose_pos++); + *out = path; + return 0; + } - return git_iterator_for_filesystem(&iter->fsiter, git_buf_cstr(&iter->buf), 0, NULL, NULL); -} + if (iter->packed_pos < kh_end(packfile)) { + struct packref *ref = NULL; -static int refdb_fs_backend__next(const char **out, git_reference_iterator *_iter) -{ - refdb_fs_iter *iter = (refdb_fs_iter *)_iter; + do { + while (!kh_exist(packfile, iter->packed_pos)) { + iter->packed_pos++; + if (iter->packed_pos == kh_end(packfile)) + return GIT_ITEROVER; + } - if (iter->loose) - return iter_loose(out, iter); + ref = kh_val(packfile, iter->packed_pos); + iter->packed_pos++; + } while (ref->flags & PACKREF_SHADOWED); - if (iter->k != kh_end(iter->h)) { - int error = iter_packed(out, iter); - if (error != GIT_ITEROVER) - return error; + *out = ref->name; + return 0; } - if (iter_loose_setup(iter) < 0) - return -1; - iter->loose = 1; - - return iter_loose(out, iter); + return GIT_ITEROVER; } static int loose_write(refdb_fs_backend *backend, const git_reference *ref) |