diff options
Diffstat (limited to 'dir.c')
| -rw-r--r-- | dir.c | 289 |
1 files changed, 172 insertions, 117 deletions
@@ -16,11 +16,6 @@ #include "varint.h" #include "ewah/ewok.h" -struct path_simplify { - int len; - const char *path; -}; - /* * Tells read_directory_recursive how a file or directory should be treated. * Values are ordered by significance, e.g. if a directory contains both @@ -50,7 +45,7 @@ struct cached_dir { static enum path_treatment read_directory_recursive(struct dir_struct *dir, const char *path, int len, struct untracked_cache_dir *untracked, - int check_only, const struct path_simplify *simplify); + int check_only, const struct pathspec *pathspec); static int get_dtype(struct dirent *de, const char *path, int len); int fspathcmp(const char *a, const char *b) @@ -179,17 +174,20 @@ char *common_prefix(const struct pathspec *pathspec) int fill_directory(struct dir_struct *dir, const struct pathspec *pathspec) { - size_t len; + const char *prefix; + size_t prefix_len; /* * Calculate common prefix for the pathspec, and * use that to optimize the directory walk */ - len = common_prefix_len(pathspec); + prefix_len = common_prefix_len(pathspec); + prefix = prefix_len ? pathspec->items[0].match : ""; /* Read the directory and prune it */ - read_directory(dir, pathspec->nr ? pathspec->_raw[0] : "", len, pathspec); - return len; + read_directory(dir, prefix, prefix_len, pathspec); + + return prefix_len; } int within_depth(const char *name, int namelen, @@ -207,8 +205,9 @@ int within_depth(const char *name, int namelen, return 1; } -#define DO_MATCH_EXCLUDE 1 -#define DO_MATCH_DIRECTORY 2 +#define DO_MATCH_EXCLUDE (1<<0) +#define DO_MATCH_DIRECTORY (1<<1) +#define DO_MATCH_SUBMODULE (1<<2) /* * Does 'match' match the given name? @@ -283,6 +282,32 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix, item->nowildcard_len - prefix)) return MATCHED_FNMATCH; + /* Perform checks to see if "name" is a super set of the pathspec */ + if (flags & DO_MATCH_SUBMODULE) { + /* name is a literal prefix of the pathspec */ + if ((namelen < matchlen) && + (match[namelen] == '/') && + !ps_strncmp(item, match, name, namelen)) + return MATCHED_RECURSIVELY; + + /* name" doesn't match up to the first wild character */ + if (item->nowildcard_len < item->len && + ps_strncmp(item, match, name, + item->nowildcard_len - prefix)) + return 0; + + /* + * Here is where we would perform a wildmatch to check if + * "name" can be matched as a directory (or a prefix) against + * the pathspec. Since wildmatch doesn't have this capability + * at the present we have to punt and say that it is a match, + * potentially returning a false positive + * The submodules themselves will be able to perform more + * accurate matching to determine if the pathspec matches. + */ + return MATCHED_RECURSIVELY; + } + return 0; } @@ -386,6 +411,21 @@ int match_pathspec(const struct pathspec *ps, return negative ? 0 : positive; } +/** + * Check if a submodule is a superset of the pathspec + */ +int submodule_path_match(const struct pathspec *ps, + const char *submodule_name, + char *seen) +{ + int matched = do_match_pathspec(ps, submodule_name, + strlen(submodule_name), + 0, seen, + DO_MATCH_DIRECTORY | + DO_MATCH_SUBMODULE); + return matched; +} + int report_path_error(const char *ps_matched, const struct pathspec *pathspec, const char *prefix) @@ -1270,7 +1310,7 @@ static enum exist_status directory_exists_in_index(const char *dirname, int len) static enum path_treatment treat_directory(struct dir_struct *dir, struct untracked_cache_dir *untracked, const char *dirname, int len, int baselen, int exclude, - const struct path_simplify *simplify) + const struct pathspec *pathspec) { /* The "len-1" is to strip the final '/' */ switch (directory_exists_in_index(dirname, len-1)) { @@ -1299,7 +1339,7 @@ static enum path_treatment treat_directory(struct dir_struct *dir, untracked = lookup_untracked(dir->untracked, untracked, dirname + baselen, len - baselen); return read_directory_recursive(dir, dirname, len, - untracked, 1, simplify); + untracked, 1, pathspec); } /* @@ -1307,24 +1347,33 @@ static enum path_treatment treat_directory(struct dir_struct *dir, * reading - if the path cannot possibly be in the pathspec, * return true, and we'll skip it early. */ -static int simplify_away(const char *path, int pathlen, const struct path_simplify *simplify) +static int simplify_away(const char *path, int pathlen, + const struct pathspec *pathspec) { - if (simplify) { - for (;;) { - const char *match = simplify->path; - int len = simplify->len; + int i; - if (!match) - break; - if (len > pathlen) - len = pathlen; - if (!memcmp(path, match, len)) - return 0; - simplify++; - } - return 1; + if (!pathspec || !pathspec->nr) + return 0; + + GUARD_PATHSPEC(pathspec, + PATHSPEC_FROMTOP | + PATHSPEC_MAXDEPTH | + PATHSPEC_LITERAL | + PATHSPEC_GLOB | + PATHSPEC_ICASE | + PATHSPEC_EXCLUDE); + + for (i = 0; i < pathspec->nr; i++) { + const struct pathspec_item *item = &pathspec->items[i]; + int len = item->nowildcard_len; + + if (len > pathlen) + len = pathlen; + if (!ps_strncmp(item, item->match, path, len)) + return 0; } - return 0; + + return 1; } /* @@ -1338,19 +1387,33 @@ static int simplify_away(const char *path, int pathlen, const struct path_simpli * 2. the path is a directory prefix of some element in the * pathspec */ -static int exclude_matches_pathspec(const char *path, int len, - const struct path_simplify *simplify) -{ - if (simplify) { - for (; simplify->path; simplify++) { - if (len == simplify->len - && !memcmp(path, simplify->path, len)) - return 1; - if (len < simplify->len - && simplify->path[len] == '/' - && !memcmp(path, simplify->path, len)) - return 1; - } +static int exclude_matches_pathspec(const char *path, int pathlen, + const struct pathspec *pathspec) +{ + int i; + + if (!pathspec || !pathspec->nr) + return 0; + + GUARD_PATHSPEC(pathspec, + PATHSPEC_FROMTOP | + PATHSPEC_MAXDEPTH | + PATHSPEC_LITERAL | + PATHSPEC_GLOB | + PATHSPEC_ICASE | + PATHSPEC_EXCLUDE); + + for (i = 0; i < pathspec->nr; i++) { + const struct pathspec_item *item = &pathspec->items[i]; + int len = item->nowildcard_len; + + if (len == pathlen && + !ps_strncmp(item, item->match, path, pathlen)) + return 1; + if (len > pathlen && + item->match[pathlen] == '/' && + !ps_strncmp(item, item->match, path, pathlen)) + return 1; } return 0; } @@ -1418,7 +1481,7 @@ static enum path_treatment treat_one_path(struct dir_struct *dir, struct untracked_cache_dir *untracked, struct strbuf *path, int baselen, - const struct path_simplify *simplify, + const struct pathspec *pathspec, int dtype, struct dirent *de) { int exclude; @@ -1470,7 +1533,7 @@ static enum path_treatment treat_one_path(struct dir_struct *dir, case DT_DIR: strbuf_addch(path, '/'); return treat_directory(dir, untracked, path->buf, path->len, - baselen, exclude, simplify); + baselen, exclude, pathspec); case DT_REG: case DT_LNK: return exclude ? path_excluded : path_untracked; @@ -1482,7 +1545,7 @@ static enum path_treatment treat_path_fast(struct dir_struct *dir, struct cached_dir *cdir, struct strbuf *path, int baselen, - const struct path_simplify *simplify) + const struct pathspec *pathspec) { strbuf_setlen(path, baselen); if (!cdir->ucd) { @@ -1499,7 +1562,7 @@ static enum path_treatment treat_path_fast(struct dir_struct *dir, * with check_only set. */ return read_directory_recursive(dir, path->buf, path->len, - cdir->ucd, 1, simplify); + cdir->ucd, 1, pathspec); /* * We get path_recurse in the first run when * directory_exists_in_index() returns index_nonexistent. We @@ -1514,23 +1577,23 @@ static enum path_treatment treat_path(struct dir_struct *dir, struct cached_dir *cdir, struct strbuf *path, int baselen, - const struct path_simplify *simplify) + const struct pathspec *pathspec) { int dtype; struct dirent *de = cdir->de; if (!de) return treat_path_fast(dir, untracked, cdir, path, - baselen, simplify); + baselen, pathspec); if (is_dot_or_dotdot(de->d_name) || !strcmp(de->d_name, ".git")) return path_none; strbuf_setlen(path, baselen); strbuf_addstr(path, de->d_name); - if (simplify_away(path->buf, path->len, simplify)) + if (simplify_away(path->buf, path->len, pathspec)) return path_none; dtype = DTYPE(de); - return treat_one_path(dir, untracked, path, baselen, simplify, dtype, de); + return treat_one_path(dir, untracked, path, baselen, pathspec, dtype, de); } static void add_untracked(struct untracked_cache_dir *dir, const char *name) @@ -1661,7 +1724,7 @@ static void close_cached_dir(struct cached_dir *cdir) static enum path_treatment read_directory_recursive(struct dir_struct *dir, const char *base, int baselen, struct untracked_cache_dir *untracked, int check_only, - const struct path_simplify *simplify) + const struct pathspec *pathspec) { struct cached_dir cdir; enum path_treatment state, subdir_state, dir_state = path_none; @@ -1677,7 +1740,8 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir, while (!read_cached_dir(&cdir)) { /* check how the file or directory should be treated */ - state = treat_path(dir, untracked, &cdir, &path, baselen, simplify); + state = treat_path(dir, untracked, &cdir, &path, + baselen, pathspec); if (state > dir_state) dir_state = state; @@ -1689,8 +1753,9 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir, path.buf + baselen, path.len - baselen); subdir_state = - read_directory_recursive(dir, path.buf, path.len, - ud, check_only, simplify); + read_directory_recursive(dir, path.buf, + path.len, ud, + check_only, pathspec); if (subdir_state > dir_state) dir_state = subdir_state; } @@ -1714,7 +1779,7 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir, else if ((dir->flags & DIR_SHOW_IGNORED_TOO) || ((dir->flags & DIR_COLLECT_IGNORED) && exclude_matches_pathspec(path.buf, path.len, - simplify))) + pathspec))) dir_add_ignored(dir, path.buf, path.len); break; @@ -1745,36 +1810,9 @@ static int cmp_name(const void *p1, const void *p2) return name_compare(e1->name, e1->len, e2->name, e2->len); } -static struct path_simplify *create_simplify(const char **pathspec) -{ - int nr, alloc = 0; - struct path_simplify *simplify = NULL; - - if (!pathspec) - return NULL; - - for (nr = 0 ; ; nr++) { - const char *match; - ALLOC_GROW(simplify, nr + 1, alloc); - match = *pathspec++; - if (!match) - break; - simplify[nr].path = match; - simplify[nr].len = simple_length(match); - } - simplify[nr].path = NULL; - simplify[nr].len = 0; - return simplify; -} - -static void free_simplify(struct path_simplify *simplify) -{ - free(simplify); -} - static int treat_leading_path(struct dir_struct *dir, const char *path, int len, - const struct path_simplify *simplify) + const struct pathspec *pathspec) { struct strbuf sb = STRBUF_INIT; int baselen, rc = 0; @@ -1798,9 +1836,9 @@ static int treat_leading_path(struct dir_struct *dir, strbuf_add(&sb, path, baselen); if (!is_directory(sb.buf)) break; - if (simplify_away(sb.buf, sb.len, simplify)) + if (simplify_away(sb.buf, sb.len, pathspec)) break; - if (treat_one_path(dir, NULL, &sb, baselen, simplify, + if (treat_one_path(dir, NULL, &sb, baselen, pathspec, DT_DIR, NULL) == path_none) break; /* do not recurse into it */ if (len <= baselen) { @@ -1968,33 +2006,14 @@ static struct untracked_cache_dir *validate_untracked_cache(struct dir_struct *d return root; } -int read_directory(struct dir_struct *dir, const char *path, int len, const struct pathspec *pathspec) +int read_directory(struct dir_struct *dir, const char *path, + int len, const struct pathspec *pathspec) { - struct path_simplify *simplify; struct untracked_cache_dir *untracked; - /* - * Check out create_simplify() - */ - if (pathspec) - GUARD_PATHSPEC(pathspec, - PATHSPEC_FROMTOP | - PATHSPEC_MAXDEPTH | - PATHSPEC_LITERAL | - PATHSPEC_GLOB | - PATHSPEC_ICASE | - PATHSPEC_EXCLUDE); - if (has_symlink_leading_path(path, len)) return dir->nr; - /* - * exclude patterns are treated like positive ones in - * create_simplify. Usually exclude patterns should be a - * subset of positive ones, which has no impacts on - * create_simplify(). - */ - simplify = create_simplify(pathspec ? pathspec->_raw : NULL); untracked = validate_untracked_cache(dir, len, pathspec); if (!untracked) /* @@ -2002,11 +2021,10 @@ int read_directory(struct dir_struct *dir, const char *path, int len, const stru * e.g. prep_exclude() */ dir->untracked = NULL; - if (!len || treat_leading_path(dir, path, len, simplify)) - read_directory_recursive(dir, path, len, untracked, 0, simplify); - free_simplify(simplify); - qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name); - qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name); + if (!len || treat_leading_path(dir, path, len, pathspec)) + read_directory_recursive(dir, path, len, untracked, 0, pathspec); + QSORT(dir->entries, dir->nr, cmp_name); + QSORT(dir->ignored, dir->ignored_nr, cmp_name); if (dir->untracked) { static struct trace_key trace_untracked_stats = TRACE_KEY_INIT(UNTRACKED_STATS); trace_printf_key(&trace_untracked_stats, @@ -2195,8 +2213,6 @@ static GIT_PATH_FUNC(git_path_info_exclude, "info/exclude") void setup_standard_excludes(struct dir_struct *dir) { - const char *path; - dir->exclude_per_dir = ".gitignore"; /* core.excludefile defaulting to $XDG_HOME/git/ignore */ @@ -2207,10 +2223,12 @@ void setup_standard_excludes(struct dir_struct *dir) dir->untracked ? &dir->ss_excludes_file : NULL); /* per repository user preference */ - path = git_path_info_exclude(); - if (!access_or_warn(path, R_OK, 0)) - add_excludes_from_file_1(dir, path, - dir->untracked ? &dir->ss_info_exclude : NULL); + if (startup_info->have_repository) { + const char *path = git_path_info_exclude(); + if (!access_or_warn(path, R_OK, 0)) + add_excludes_from_file_1(dir, path, + dir->untracked ? &dir->ss_info_exclude : NULL); + } } int remove_path(const char *name) @@ -2706,3 +2724,40 @@ void untracked_cache_add_to_index(struct index_state *istate, { untracked_cache_invalidate_path(istate, path); } + +/* Update gitfile and core.worktree setting to connect work tree and git dir */ +void connect_work_tree_and_git_dir(const char *work_tree_, const char *git_dir_) +{ + struct strbuf file_name = STRBUF_INIT; + struct strbuf rel_path = STRBUF_INIT; + char *git_dir = real_pathdup(git_dir_, 1); + char *work_tree = real_pathdup(work_tree_, 1); + + /* Update gitfile */ + strbuf_addf(&file_name, "%s/.git", work_tree); + write_file(file_name.buf, "gitdir: %s", + relative_path(git_dir, work_tree, &rel_path)); + + /* Update core.worktree setting */ + strbuf_reset(&file_name); + strbuf_addf(&file_name, "%s/config", git_dir); + git_config_set_in_file(file_name.buf, "core.worktree", + relative_path(work_tree, git_dir, &rel_path)); + + strbuf_release(&file_name); + strbuf_release(&rel_path); + free(work_tree); + free(git_dir); +} + +/* + * Migrate the git directory of the given path from old_git_dir to new_git_dir. + */ +void relocate_gitdir(const char *path, const char *old_git_dir, const char *new_git_dir) +{ + if (rename(old_git_dir, new_git_dir) < 0) + die_errno(_("could not migrate git directory from '%s' to '%s'"), + old_git_dir, new_git_dir); + + connect_work_tree_and_git_dir(path, new_git_dir); +} |