diff options
Diffstat (limited to 'read-cache.c')
| -rw-r--r-- | read-cache.c | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/read-cache.c b/read-cache.c index 68ed650..4de2077 100644 --- a/read-cache.c +++ b/read-cache.c @@ -112,7 +112,7 @@ static const char *alternate_index_output; static void set_index_entry(struct index_state *istate, int nr, struct cache_entry *ce) { if (S_ISSPARSEDIR(ce->ce_mode)) - istate->sparse_index = 1; + istate->sparse_index = INDEX_COLLAPSED; istate->cache[nr] = ce; add_name_hash(istate, ce); @@ -134,7 +134,7 @@ static void replace_index_entry(struct index_state *istate, int nr, struct cache void rename_index_entry_at(struct index_state *istate, int nr, const char *new_name) { - struct cache_entry *old_entry = istate->cache[nr], *new_entry; + struct cache_entry *old_entry = istate->cache[nr], *new_entry, *refreshed; int namelen = strlen(new_name); new_entry = make_empty_cache_entry(istate, namelen); @@ -147,7 +147,20 @@ void rename_index_entry_at(struct index_state *istate, int nr, const char *new_n cache_tree_invalidate_path(istate, old_entry->name); untracked_cache_remove_from_index(istate, old_entry->name); remove_index_entry_at(istate, nr); - add_index_entry(istate, new_entry, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE); + + /* + * Refresh the new index entry. Using 'refresh_cache_entry' ensures + * we only update stat info if the entry is otherwise up-to-date (i.e., + * the contents/mode haven't changed). This ensures that we reflect the + * 'ctime' of the rename in the index without (incorrectly) updating + * the cached stat info to reflect unstaged changes on disk. + */ + refreshed = refresh_cache_entry(istate, new_entry, CE_MATCH_REFRESH); + if (refreshed && refreshed != new_entry) { + add_index_entry(istate, refreshed, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE); + discard_cache_entry(new_entry); + } else + add_index_entry(istate, new_entry, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE); } void fill_stat_data(struct stat_data *sd, struct stat *st) @@ -1843,7 +1856,7 @@ static int read_index_extension(struct index_state *istate, break; case CACHE_EXT_SPARSE_DIRECTORIES: /* no content, only an indicator */ - istate->sparse_index = 1; + istate->sparse_index = INDEX_COLLAPSED; break; default: if (*ext < 'A' || 'Z' < *ext) @@ -1931,8 +1944,6 @@ static struct cache_entry *create_from_disk(struct mem_pool *ce_mem_pool, ce->ce_namelen = len; ce->index = 0; oidread(&ce->oid, ondisk->data); - memcpy(ce->name, name, len); - ce->name[len] = '\0'; if (expand_name_field) { if (copy_len) @@ -2247,6 +2258,20 @@ static unsigned long load_cache_entries_threaded(struct index_state *istate, con return consumed; } +static void set_new_index_sparsity(struct index_state *istate) +{ + /* + * If the index's repo exists, mark it sparse according to + * repo settings. + */ + if (istate->repo) { + prepare_repo_settings(istate->repo); + if (!istate->repo->settings.command_requires_full_index && + is_sparse_index_allowed(istate, 0)) + istate->sparse_index = 1; + } +} + /* remember to discard_cache() before reading a different cache! */ int do_read_index(struct index_state *istate, const char *path, int must_exist) { @@ -2271,6 +2296,7 @@ int do_read_index(struct index_state *istate, const char *path, int must_exist) if (!must_exist && errno == ENOENT) { if (!istate->repo) istate->repo = the_repository; + set_new_index_sparsity(istate); return 0; } die_errno(_("%s: index file open failed"), path); @@ -2449,15 +2475,15 @@ int read_index_from(struct index_state *istate, const char *path, the_repository, "%s", base_path); if (!ret) { char *path_copy = xstrdup(path); - const char *base_path2 = xstrfmt("%s/sharedindex.%s", - dirname(path_copy), - base_oid_hex); + char *base_path2 = xstrfmt("%s/sharedindex.%s", + dirname(path_copy), base_oid_hex); free(path_copy); trace2_region_enter_printf("index", "shared/do_read_index", the_repository, "%s", base_path2); ret = do_read_index(split_index->base, base_path2, 1); trace2_region_leave_printf("index", "shared/do_read_index", the_repository, "%s", base_path2); + free(base_path2); } if (!oideq(&split_index->base_oid, &split_index->base->oid)) die(_("broken index, expect %s in %s, got %s"), @@ -3139,7 +3165,7 @@ static int do_write_locked_index(struct index_state *istate, struct lock_file *l unsigned flags) { int ret; - int was_full = !istate->sparse_index; + int was_full = istate->sparse_index == INDEX_EXPANDED; ret = convert_to_sparse(istate, 0); |