parse-options: add new function "usage_msg_opt"

diff --git a/dir.h b/dir.h
index 768425af0e7095a54edf161fe20400c4caf85b31..541286ad1daeb66a9963288d275534ee963bd5cd 100644 (file)
--- a/dir.h
+++ b/dir.h
@@ -34,11 +34,13 @@ struct exclude_stack {
 struct dir_struct {
        int nr, alloc;
        int ignored_nr, ignored_alloc;
-       unsigned int show_ignored:1,
-                    show_other_directories:1,
-                    hide_empty_directories:1,
-                    no_gitlinks:1,
-                    collect_ignored:1;
+       enum {
+               DIR_SHOW_IGNORED = 1<<0,
+               DIR_SHOW_OTHER_DIRECTORIES = 1<<1,
+               DIR_HIDE_EMPTY_DIRECTORIES = 1<<2,
+               DIR_NO_GITLINKS = 1<<3,
+               DIR_COLLECT_IGNORED = 1<<4
+       } flags;
        struct dir_entry **entries;
        struct dir_entry **ignored;
 
@@ -77,6 +79,15 @@ extern int file_exists(const char *);
 extern char *get_relative_cwd(char *buffer, int size, const char *dir);
 extern int is_inside_dir(const char *dir);
 
+static inline int is_dot_or_dotdot(const char *name)
+{
+       return (name[0] == '.' &&
+               (name[1] == '\0' ||
+                (name[1] == '.' && name[2] == '\0')));
+}
+
+extern int is_empty_dir(const char *dir);
+
 extern void setup_standard_excludes(struct dir_struct *dir);
 extern int remove_dir_recursively(struct strbuf *path, int only_empty);