diff options
Diffstat (limited to 'dir.c')
| -rw-r--r-- | dir.c | 128 |
1 files changed, 111 insertions, 17 deletions
@@ -2768,13 +2768,33 @@ static void set_untracked_ident(struct untracked_cache *uc) strbuf_addch(&uc->ident, 0); } -static void new_untracked_cache(struct index_state *istate) +static unsigned new_untracked_cache_flags(struct index_state *istate) +{ + struct repository *repo = istate->repo; + char *val; + + /* + * This logic is coordinated with the setting of these flags in + * wt-status.c#wt_status_collect_untracked(), and the evaluation + * of the config setting in commit.c#git_status_config() + */ + if (!repo_config_get_string(repo, "status.showuntrackedfiles", &val) && + !strcmp(val, "all")) + return 0; + + /* + * The default, if "all" is not set, is "normal" - leading us here. + * If the value is "none" then it really doesn't matter. + */ + return DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES; +} + +static void new_untracked_cache(struct index_state *istate, int flags) { struct untracked_cache *uc = xcalloc(1, sizeof(*uc)); strbuf_init(&uc->ident, 100); uc->exclude_per_dir = ".gitignore"; - /* should be the same flags used by git-status */ - uc->dir_flags = DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES; + uc->dir_flags = flags >= 0 ? flags : new_untracked_cache_flags(istate); set_untracked_ident(uc); istate->untracked = uc; istate->cache_changed |= UNTRACKED_CHANGED; @@ -2783,11 +2803,11 @@ static void new_untracked_cache(struct index_state *istate) void add_untracked_cache(struct index_state *istate) { if (!istate->untracked) { - new_untracked_cache(istate); + new_untracked_cache(istate, -1); } else { if (!ident_in_untracked(istate->untracked)) { free_untracked_cache(istate->untracked); - new_untracked_cache(istate); + new_untracked_cache(istate, -1); } } } @@ -2835,17 +2855,9 @@ static struct untracked_cache_dir *validate_untracked_cache(struct dir_struct *d if (base_len || (pathspec && pathspec->nr)) return NULL; - /* Different set of flags may produce different results */ - if (dir->flags != dir->untracked->dir_flags || - /* - * See treat_directory(), case index_nonexistent. Without - * this flag, we may need to also cache .git file content - * for the resolve_gitlink_ref() call, which we don't. - */ - !(dir->flags & DIR_SHOW_OTHER_DIRECTORIES) || - /* We don't support collecting ignore files */ - (dir->flags & (DIR_SHOW_IGNORED | DIR_SHOW_IGNORED_TOO | - DIR_COLLECT_IGNORED))) + /* We don't support collecting ignore files */ + if (dir->flags & (DIR_SHOW_IGNORED | DIR_SHOW_IGNORED_TOO | + DIR_COLLECT_IGNORED)) return NULL; /* @@ -2868,6 +2880,50 @@ static struct untracked_cache_dir *validate_untracked_cache(struct dir_struct *d return NULL; } + /* + * If the untracked structure we received does not have the same flags + * as requested in this run, we're going to need to either discard the + * existing structure (and potentially later recreate), or bypass the + * untracked cache mechanism for this run. + */ + if (dir->flags != dir->untracked->dir_flags) { + /* + * If the untracked structure we received does not have the same flags + * as configured, then we need to reset / create a new "untracked" + * structure to match the new config. + * + * Keeping the saved and used untracked cache consistent with the + * configuration provides an opportunity for frequent users of + * "git status -uall" to leverage the untracked cache by aligning their + * configuration - setting "status.showuntrackedfiles" to "all" or + * "normal" as appropriate. + * + * Previously using -uall (or setting "status.showuntrackedfiles" to + * "all") was incompatible with untracked cache and *consistently* + * caused surprisingly bad performance (with fscache and fsmonitor + * enabled) on Windows. + * + * IMPROVEMENT OPPORTUNITY: If we reworked the untracked cache storage + * to not be as bound up with the desired output in a given run, + * and instead iterated through and stored enough information to + * correctly serve both "modes", then users could get peak performance + * with or without '-uall' regardless of their + * "status.showuntrackedfiles" config. + */ + if (dir->untracked->dir_flags != new_untracked_cache_flags(istate)) { + free_untracked_cache(istate->untracked); + new_untracked_cache(istate, dir->flags); + dir->untracked = istate->untracked; + } + else { + /* + * Current untracked cache data is consistent with config, but not + * usable in this request/run; just bypass untracked cache. + */ + return NULL; + } + } + if (!dir->untracked->root) { /* Untracked cache existed but is not initialized; fix that */ FLEX_ALLOC_STR(dir->untracked->root, name, ""); @@ -3075,7 +3131,7 @@ char *git_url_basename(const char *repo, int is_bundle, int is_bare) * Skip scheme. */ start = strstr(repo, "://"); - if (start == NULL) + if (!start) start = repo; else start += 3; @@ -3103,6 +3159,15 @@ char *git_url_basename(const char *repo, int is_bundle, int is_bare) } /* + * It should not be possible to overflow `ptrdiff_t` by passing in an + * insanely long URL, but GCC does not know that and will complain + * without this check. + */ + if (end - start < 0) + die(_("No directory name could be guessed.\n" + "Please specify a directory on the command line")); + + /* * Strip trailing port number if we've got only a * hostname (that is, there is no dir separator but a * colon). This check is required such that we do not @@ -3911,3 +3976,32 @@ void relocate_gitdir(const char *path, const char *old_git_dir, const char *new_ connect_work_tree_and_git_dir(path, new_git_dir, 0); } + +int path_match_flags(const char *const str, const enum path_match_flags flags) +{ + const char *p = str; + + if (flags & PATH_MATCH_NATIVE && + flags & PATH_MATCH_XPLATFORM) + BUG("path_match_flags() must get one match kind, not multiple!"); + else if (!(flags & PATH_MATCH_KINDS_MASK)) + BUG("path_match_flags() must get at least one match kind!"); + + if (flags & PATH_MATCH_STARTS_WITH_DOT_SLASH && + flags & PATH_MATCH_STARTS_WITH_DOT_DOT_SLASH) + BUG("path_match_flags() must get one platform kind, not multiple!"); + else if (!(flags & PATH_MATCH_PLATFORM_MASK)) + BUG("path_match_flags() must get at least one platform kind!"); + + if (*p++ != '.') + return 0; + if (flags & PATH_MATCH_STARTS_WITH_DOT_DOT_SLASH && + *p++ != '.') + return 0; + + if (flags & PATH_MATCH_NATIVE) + return is_dir_sep(*p); + else if (flags & PATH_MATCH_XPLATFORM) + return is_xplatform_dir_sep(*p); + BUG("unreachable"); +} |