Merge branch 'jc/add-n-u'

* jc/add-n-u:
  Make git add -n and git -u -n output consistent
  "git-add -n -u" should not add but just report

Conflicts:

	builtin-add.c
	builtin-mv.c
	cache.h
	read-cache.c

1 files changed, 17 insertions, 6 deletions

diff --git a/read-cache.c b/read-cache.c
index bc039819ee..ac9a8e7e32 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -462,12 +462,14 @@ static struct cache_entry *create_alias_ce(struct cache_entry *ce, struct cache_
 	return new;
 }
 
-int add_to_index(struct index_state *istate, const char *path, struct stat *st, int verbose)
+int add_to_index(struct index_state *istate, const char *path, struct stat *st, int flags)
 {
-	int size, namelen;
+	int size, namelen, was_same;
 	mode_t st_mode = st->st_mode;
 	struct cache_entry *ce, *alias;
 	unsigned ce_option = CE_MATCH_IGNORE_VALID|CE_MATCH_RACY_IS_DIRTY;
+	int verbose = flags & (ADD_CACHE_VERBOSE | ADD_CACHE_PRETEND);
+	int pretend = flags & ADD_CACHE_PRETEND;
 
 	if (!S_ISREG(st_mode) && !S_ISLNK(st_mode) && !S_ISDIR(st_mode))
 		return error("%s: can only add regular files, symbolic links or git-directories", path);
@@ -509,19 +511,28 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
 	if (ignore_case && alias && different_name(ce, alias))
 		ce = create_alias_ce(ce, alias);
 	ce->ce_flags |= CE_ADDED;
-	if (add_index_entry(istate, ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE))
+
+	/* It was suspected to be recily clean, but it turns out to be Ok */
+	was_same = (alias &&
+		    !ce_stage(alias) &&
+		    !hashcmp(alias->sha1, ce->sha1) &&
+		    ce->ce_mode == alias->ce_mode);
+
+	if (pretend)
+		;
+	else if (add_index_entry(istate, ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE))
 		return error("unable to add %s to index",path);
-	if (verbose)
+	if (verbose && !was_same)
 		printf("add '%s'\n", path);
 	return 0;
 }
 
-int add_file_to_index(struct index_state *istate, const char *path, int verbose)
+int add_file_to_index(struct index_state *istate, const char *path, int flags)
 {
 	struct stat st;
 	if (lstat(path, &st))
 		die("%s: unable to stat (%s)", path, strerror(errno));
-	return add_to_index(istate, path, &st, verbose);
+	return add_to_index(istate, path, &st, flags);
 }
 
 struct cache_entry *make_cache_entry(unsigned int mode,