fetch doc: move FETCH_HEAD material lower and add an example

diff --git a/diff-no-index.c b/diff-no-index.c
index 33e5982a1c61a5726580f40df0a07dadc7e2aaf1..265709ba8c51a4390fad11c7d1aa23551a4fd266 100644 (file)
--- 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;
                }
@@ -186,7 +187,6 @@ void diff_no_index(struct rev_info *revs,
                   const char *prefix)
 {
        int i, prefixlen;
-       unsigned deprecated_show_diff_q_option_used = 0;
        const char *paths[2];
 
        diff_setup(&revs->diffopt);
@@ -194,15 +194,11 @@ void diff_no_index(struct rev_info *revs,
                int j;
                if (!strcmp(argv[i], "--no-index"))
                        i++;
-               else if (!strcmp(argv[i], "-q")) {
-                       deprecated_show_diff_q_option_used = 1;
-                       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;
                }
@@ -230,9 +226,6 @@ void diff_no_index(struct rev_info *revs,
        revs->max_count = -2;
        diff_setup_done(&revs->diffopt);
 
-       if (deprecated_show_diff_q_option_used)
-               handle_deprecated_show_diff_q(&revs->diffopt);
-
        setup_diff_pager(&revs->diffopt);
        DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS);