diff options
Diffstat (limited to 'read-cache.c')
-rw-r--r-- | read-cache.c | 107 |
1 files changed, 74 insertions, 33 deletions
diff --git a/read-cache.c b/read-cache.c index 9048ef9e90..f398659662 100644 --- a/read-cache.c +++ b/read-cache.c @@ -738,7 +738,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, int intent_only = flags & ADD_CACHE_INTENT; int add_option = (ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE| (intent_only ? ADD_CACHE_NEW_ONLY : 0)); - int hash_flags = HASH_WRITE_OBJECT; + unsigned hash_flags = pretend ? 0 : HASH_WRITE_OBJECT; struct object_id oid; if (flags & ADD_CACHE_RENORMALIZE) @@ -849,6 +849,19 @@ struct cache_entry *make_empty_transient_cache_entry(size_t len, return xcalloc(1, cache_entry_size(len)); } +enum verify_path_result { + PATH_OK, + PATH_INVALID, + PATH_DIR_WITH_SEP, +}; + +static enum verify_path_result verify_path_internal(const char *, unsigned); + +int verify_path(const char *path, unsigned mode) +{ + return verify_path_internal(path, mode) == PATH_OK; +} + struct cache_entry *make_cache_entry(struct index_state *istate, unsigned int mode, const struct object_id *oid, @@ -859,7 +872,7 @@ struct cache_entry *make_cache_entry(struct index_state *istate, struct cache_entry *ce, *ret; int len; - if (!verify_path(path, mode)) { + if (verify_path_internal(path, mode) == PATH_INVALID) { error(_("invalid path '%s'"), path); return NULL; } @@ -993,60 +1006,62 @@ static int verify_dotfile(const char *rest, unsigned mode) return 1; } -int verify_path(const char *path, unsigned mode) +static enum verify_path_result verify_path_internal(const char *path, + unsigned mode) { char c = 0; if (has_dos_drive_prefix(path)) - return 0; + return PATH_INVALID; if (!is_valid_path(path)) - return 0; + return PATH_INVALID; goto inside; for (;;) { if (!c) - return 1; + return PATH_OK; if (is_dir_sep(c)) { inside: if (protect_hfs) { if (is_hfs_dotgit(path)) - return 0; + return PATH_INVALID; if (S_ISLNK(mode)) { if (is_hfs_dotgitmodules(path)) - return 0; + return PATH_INVALID; } } if (protect_ntfs) { #if defined GIT_WINDOWS_NATIVE || defined __CYGWIN__ if (c == '\\') - return 0; + return PATH_INVALID; #endif if (is_ntfs_dotgit(path)) - return 0; + return PATH_INVALID; if (S_ISLNK(mode)) { if (is_ntfs_dotgitmodules(path)) - return 0; + return PATH_INVALID; } } c = *path++; if ((c == '.' && !verify_dotfile(path, mode)) || is_dir_sep(c)) - return 0; + return PATH_INVALID; /* * allow terminating directory separators for * sparse directory entries. */ if (c == '\0') - return S_ISDIR(mode); + return S_ISDIR(mode) ? PATH_DIR_WITH_SEP : + PATH_INVALID; } else if (c == '\\' && protect_ntfs) { if (is_ntfs_dotgit(path)) - return 0; + return PATH_INVALID; if (S_ISLNK(mode)) { if (is_ntfs_dotgitmodules(path)) - return 0; + return PATH_INVALID; } } @@ -1349,7 +1364,7 @@ static int add_index_entry_with_check(struct index_state *istate, struct cache_e if (!ok_to_add) return -1; - if (!verify_path(ce->name, ce->ce_mode)) + if (verify_path_internal(ce->name, ce->ce_mode) == PATH_INVALID) return error(_("invalid path '%s'"), ce->name); if (!skip_df_check && @@ -1944,13 +1959,22 @@ static void tweak_untracked_cache(struct index_state *istate) prepare_repo_settings(r); - if (r->settings.core_untracked_cache == UNTRACKED_CACHE_REMOVE) { + switch (r->settings.core_untracked_cache) { + case UNTRACKED_CACHE_REMOVE: remove_untracked_cache(istate); - return; - } - - if (r->settings.core_untracked_cache == UNTRACKED_CACHE_WRITE) + break; + case UNTRACKED_CACHE_WRITE: add_untracked_cache(istate); + break; + case UNTRACKED_CACHE_KEEP: + /* + * Either an explicit "core.untrackedCache=keep", the + * default if "core.untrackedCache" isn't configured, + * or a fallback on an unknown "core.untrackedCache" + * value. + */ + break; + } } static void tweak_split_index(struct index_state *istate) @@ -2391,9 +2415,21 @@ int read_index_from(struct index_state *istate, const char *path, base_path = xstrfmt("%s/sharedindex.%s", gitdir, base_oid_hex); trace2_region_enter_printf("index", "shared/do_read_index", the_repository, "%s", base_path); - ret = do_read_index(split_index->base, base_path, 1); + ret = do_read_index(split_index->base, base_path, 0); trace2_region_leave_printf("index", "shared/do_read_index", 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); + 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); + } if (!oideq(&split_index->base_oid, &split_index->base->oid)) die(_("broken index, expect %s in %s, got %s"), base_oid_hex, base_path, @@ -2812,11 +2848,8 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile, } } - if (!istate->version) { + if (!istate->version) istate->version = get_index_format_default(the_repository); - if (git_env_bool("GIT_TEST_SPLIT_INDEX", 0)) - init_split_index(istate); - } /* demote version 3 to version 2 when the latter suffices */ if (istate->version == 3 || istate->version == 2) @@ -3069,7 +3102,7 @@ static int do_write_locked_index(struct index_state *istate, struct lock_file *l int ret; int was_full = !istate->sparse_index; - ret = convert_to_sparse(istate); + ret = convert_to_sparse(istate, 0); if (ret) { warning(_("failed to convert to a sparse-index")); @@ -3182,7 +3215,7 @@ static int write_shared_index(struct index_state *istate, int ret, was_full = !istate->sparse_index; move_cache_to_base_index(istate); - convert_to_sparse(istate); + convert_to_sparse(istate, 0); trace2_region_enter_printf("index", "shared/do_write_index", the_repository, "%s", get_tempfile_path(*temp)); @@ -3243,7 +3276,7 @@ static int too_many_not_shared_entries(struct index_state *istate) int write_locked_index(struct index_state *istate, struct lock_file *lock, unsigned flags) { - int new_shared_index, ret; + int new_shared_index, ret, test_split_index_env; struct split_index *si = istate->split_index; if (git_env_bool("GIT_TEST_CHECK_CACHE_TREE", 0)) @@ -3258,7 +3291,10 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock, if (istate->fsmonitor_last_update) fill_fsmonitor_bitmap(istate); - if (!si || alternate_index_output || + test_split_index_env = git_env_bool("GIT_TEST_SPLIT_INDEX", 0); + + if ((!si && !test_split_index_env) || + alternate_index_output || (istate->cache_changed & ~EXTMASK)) { if (si) oidclr(&si->base_oid); @@ -3266,10 +3302,15 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock, goto out; } - if (git_env_bool("GIT_TEST_SPLIT_INDEX", 0)) { - int v = si->base_oid.hash[0]; - if ((v & 15) < 6) + if (test_split_index_env) { + if (!si) { + si = init_split_index(istate); istate->cache_changed |= SPLIT_INDEX_ORDERED; + } else { + int v = si->base_oid.hash[0]; + if ((v & 15) < 6) + istate->cache_changed |= SPLIT_INDEX_ORDERED; + } } if (too_many_not_shared_entries(istate)) istate->cache_changed |= SPLIT_INDEX_ORDERED; |