diff options
Diffstat (limited to 'dir.c')
| -rw-r--r-- | dir.c | 96 |
1 files changed, 81 insertions, 15 deletions
@@ -271,27 +271,34 @@ int excluded(struct dir_struct *dir, const char *pathname) return 0; } -struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathname, int len) -{ +static struct dir_entry *dir_entry_new(const char *pathname, int len) { struct dir_entry *ent; - if (cache_name_pos(pathname, len) >= 0) - return NULL; - - if (dir->nr == dir->alloc) { - int alloc = alloc_nr(dir->alloc); - dir->alloc = alloc; - dir->entries = xrealloc(dir->entries, alloc*sizeof(ent)); - } ent = xmalloc(sizeof(*ent) + len + 1); - ent->ignored = ent->ignored_dir = 0; ent->len = len; memcpy(ent->name, pathname, len); ent->name[len] = 0; - dir->entries[dir->nr++] = ent; return ent; } +struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathname, int len) +{ + if (cache_name_pos(pathname, len) >= 0) + return NULL; + + ALLOC_GROW(dir->entries, dir->nr+1, dir->alloc); + return dir->entries[dir->nr++] = dir_entry_new(pathname, len); +} + +struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len) +{ + if (cache_name_pos(pathname, len) >= 0) + return NULL; + + ALLOC_GROW(dir->ignored, dir->ignored_nr+1, dir->ignored_alloc); + return dir->ignored[dir->ignored_nr++] = dir_entry_new(pathname, len); +} + enum exist_status { index_nonexistent = 0, index_directory, @@ -321,7 +328,7 @@ static enum exist_status directory_exists_in_index(const char *dirname, int len) break; if (endchar == '/') return index_directory; - if (!endchar && S_ISDIRLNK(ntohl(ce->ce_mode))) + if (!endchar && S_ISGITLINK(ntohl(ce->ce_mode))) return index_gitdir; } return index_nonexistent; @@ -356,7 +363,7 @@ static enum exist_status directory_exists_in_index(const char *dirname, int len) * also true and the directory is empty, in which case * we just ignore it entirely. * (b) if it looks like a git directory, and we don't have - * 'no_dirlinks' set we treat it as a gitlink, and show it + * 'no_gitlinks' set we treat it as a gitlink, and show it * as a directory. * (c) otherwise, we recurse into it. */ @@ -383,7 +390,7 @@ static enum directory_treatment treat_directory(struct dir_struct *dir, case index_nonexistent: if (dir->show_other_directories) break; - if (!dir->no_dirlinks) { + if (!dir->no_gitlinks) { unsigned char sha1[20]; if (resolve_gitlink_ref(dirname, "HEAD", sha1) == 0) return show_directory; @@ -424,6 +431,18 @@ static int simplify_away(const char *path, int pathlen, const struct path_simpli return 0; } +static int in_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; + } + } + return 0; +} + /* * Read a directory tree. We currently ignore anything but * directories, regular files and symlinks. That's because git @@ -464,6 +483,9 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co continue; exclude = excluded(dir, fullname); + if (exclude && dir->collect_ignored + && in_pathspec(fullname, baselen + len, simplify)) + dir_add_ignored(dir, fullname, baselen + len); if (exclude != dir->show_ignored) { if (!dir->show_ignored || DTYPE(de) != DT_DIR) { continue; @@ -610,6 +632,7 @@ int read_directory(struct dir_struct *dir, const char *path, const char *base, i read_directory_recursive(dir, path, base, baselen, 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); return dir->nr; } @@ -619,3 +642,46 @@ file_exists(const char *f) struct stat sb; return stat(f, &sb) == 0; } + +/* + * get_relative_cwd() gets the prefix of the current working directory + * relative to 'dir'. If we are not inside 'dir', it returns NULL. + * + * As a convenience, it also returns NULL if 'dir' is already NULL. The + * reason for this behaviour is that it is natural for functions returning + * directory names to return NULL to say "this directory does not exist" + * or "this directory is invalid". These cases are usually handled the + * same as if the cwd is not inside 'dir' at all, so get_relative_cwd() + * returns NULL for both of them. + * + * Most notably, get_relative_cwd(buffer, size, get_git_work_tree()) + * unifies the handling of "outside work tree" with "no work tree at all". + */ +char *get_relative_cwd(char *buffer, int size, const char *dir) +{ + char *cwd = buffer; + + if (!dir) + return NULL; + if (!getcwd(buffer, size)) + die("can't find the current directory: %s", strerror(errno)); + + if (!is_absolute_path(dir)) + dir = make_absolute_path(dir); + + while (*dir && *dir == *cwd) { + dir++; + cwd++; + } + if (*dir) + return NULL; + if (*cwd == '/') + return cwd + 1; + return cwd; +} + +int is_inside_dir(const char *dir) +{ + char buffer[PATH_MAX]; + return get_relative_cwd(buffer, sizeof(buffer), dir) != NULL; +} |