user-manual: Explain what submodules are good for.

diff --git a/cache.h b/cache.h
index e5276e6add08ba5db43768cf103caaef1bd06b77..70abbd59bf8d3ca118836605099b0b5dc66a27b7 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -173,7 +173,7 @@ extern struct index_state the_index;
 #define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos))
 #define remove_file_from_cache(path) remove_file_from_index(&the_index, (path))
 #define add_file_to_cache(path, verbose) add_file_to_index(&the_index, (path), (verbose))
-#define refresh_cache(flags) refresh_index(&the_index, flags)
+#define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL)
 #define ce_match_stat(ce, st, really) ie_match_stat(&the_index, (ce), (st), (really))
 #define ce_modified(ce, st, really) ie_modified(&the_index, (ce), (st), (really))
 #endif
@@ -278,7 +278,7 @@ extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
 #define REFRESH_UNMERGED       0x0002  /* allow unmerged */
 #define REFRESH_QUIET          0x0004  /* be quiet about it */
 #define REFRESH_IGNORE_MISSING 0x0008  /* ignore non-existent */
-extern int refresh_index(struct index_state *, unsigned int flags);
+extern int refresh_index(struct index_state *, unsigned int flags, const char **pathspec, char *seen);
 
 struct lock_file {
        struct lock_file *next;
@@ -569,6 +569,8 @@ extern char *pager_program;
 extern int pager_in_use;
 extern int pager_use_color;
 
+extern char *editor_program;
+
 /* base85 */
 int decode_85(char *dst, const char *line, int linelen);
 void encode_85(char *buf, const unsigned char *data, int bytes);
@@ -592,6 +594,9 @@ extern char *convert_to_git(const char *path, const char *src, unsigned long *si
 extern char *convert_to_working_tree(const char *path, const char *src, unsigned long *sizep);
 extern void *convert_sha1_file(const char *path, const unsigned char *sha1, unsigned int mode, enum object_type *type, unsigned long *size);
 
+/* diff.c */
+extern int diff_auto_refresh_index;
+
 /* match-trees.c */
 void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int);