1 files changed, 7 insertions, 41 deletions

diff --git a/diff-no-index.c b/diff-no-index.c
index e66fdf33da..265709ba8c 100644
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -15,8 +15,9 @@
 #include "log-tree.h"
 #include "builtin.h"
 #include "string-list.h"
+#include "dir.h"
 
-static int read_directory(const char *path, struct string_list *list)
+static int read_directory_contents(const char *path, struct string_list *list)
 {
 	DIR *dir;
 	struct dirent *e;
@@ -25,7 +26,7 @@ static int read_directory(const char *path, struct string_list *list)
 		return error("Could not open directory %s", path);
 
 	while ((e = readdir(dir)))
-		if (strcmp(".", e->d_name) && strcmp("..", e->d_name))
+		if (!is_dot_or_dotdot(e->d_name))
 			string_list_insert(list, e->d_name);
 
 	closedir(dir);
@@ -107,9 +108,9 @@ static int queue_diff(struct diff_options *o,
 		int i1, i2, ret = 0;
 		size_t len1 = 0, len2 = 0;
 
-		if (name1 && read_directory(name1, &p1))
+		if (name1 && read_directory_contents(name1, &p1))
 			return -1;
-		if (name2 && read_directory(name2, &p2)) {
+		if (name2 && read_directory_contents(name2, &p2)) {
 			string_list_clear(&p1, 0);
 			return -1;
 		}
@@ -183,56 +184,21 @@ static int queue_diff(struct diff_options *o,
 
 void diff_no_index(struct rev_info *revs,
 		   int argc, const char **argv,
-		   int nongit, const char *prefix)
+		   const char *prefix)
 {
 	int i, prefixlen;
-	int no_index = 0;
-	unsigned options = 0;
 	const char *paths[2];
 
-	/* Were we asked to do --no-index explicitly? */
-	for (i = 1; i < argc; i++) {
-		if (!strcmp(argv[i], "--")) {
-			i++;
-			break;
-		}
-		if (!strcmp(argv[i], "--no-index"))
-			no_index = 1;
-		if (argv[i][0] != '-')
-			break;
-	}
-
-	if (!no_index && !nongit) {
-		/*
-		 * Inside a git repository, without --no-index.  Only
-		 * when a path outside the repository is given,
-		 * e.g. "git diff /var/tmp/[12]", or "git diff
-		 * Makefile /var/tmp/Makefile", allow it to be used as
-		 * a colourful "diff" replacement.
-		 */
-		if ((argc != i + 2) ||
-		    (path_inside_repo(prefix, argv[i]) &&
-		     path_inside_repo(prefix, argv[i+1])))
-			return;
-	}
-	if (argc != i + 2)
-		usagef("git diff %s <path> <path>",
-		       no_index ? "--no-index" : "[--no-index]");
-
 	diff_setup(&revs->diffopt);
 	for (i = 1; i < argc - 2; ) {
 		int j;
 		if (!strcmp(argv[i], "--no-index"))
 			i++;
-		else if (!strcmp(argv[i], "-q")) {
-			options |= DIFF_SILENT_ON_REMOVED;
-			i++;
-		}
 		else if (!strcmp(argv[i], "--"))
 			i++;
 		else {
 			j = diff_opt_parse(&revs->diffopt, argv + i, argc - i);
-			if (!j)
+			if (j <= 0)
 				die("invalid diff option/value: %s", argv[i]);
 			i += j;
 		}