add update 'none' flag to disable update of submodule by default

diff --git a/builtin/grep.c b/builtin/grep.c
index 298f763b702f80c4f8d9f37b3356d36b2b8da32f..cccf8da6d2a600154536ea642250699d9356f148 100644 (file)
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -93,8 +93,7 @@ static pthread_cond_t cond_write;
 /* Signalled when we are finished with everything. */
 static pthread_cond_t cond_result;
 
-static int print_hunk_marks_between_files;
-static int printed_something;
+static int skip_first_line;
 
 static void add_work(enum work_type type, char *name, void *id)
 {
@@ -160,10 +159,20 @@ static void work_done(struct work_item *w)
            todo_done = (todo_done+1) % ARRAY_SIZE(todo)) {
                w = &todo[todo_done];
                if (w->out.len) {
-                       if (print_hunk_marks_between_files && printed_something)
-                               write_or_die(1, "--\n", 3);
-                       write_or_die(1, w->out.buf, w->out.len);
-                       printed_something = 1;
+                       const char *p = w->out.buf;
+                       size_t len = w->out.len;
+
+                       /* Skip the leading hunk mark of the first file. */
+                       if (skip_first_line) {
+                               while (len) {
+                                       len--;
+                                       if (*p++ == '\n')
+                                               break;
+                               }
+                               skip_first_line = 0;
+                       }
+
+                       write_or_die(1, p, len);
                }
                free(w->name);
                free(w->identifier);
@@ -533,18 +542,18 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int
 static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
                     struct tree_desc *tree, struct strbuf *base, int tn_len)
 {
-       int hit = 0, matched = 0;
+       int hit = 0, match = 0;
        struct name_entry entry;
        int old_baselen = base->len;
 
        while (tree_entry(tree, &entry)) {
                int te_len = tree_entry_len(entry.path, entry.sha1);
 
-               if (matched != 2) {
-                       matched = tree_entry_interesting(&entry, base, tn_len, pathspec);
-                       if (matched == -1)
-                               break; /* no more matches */
-                       if (!matched)
+               if (match != 2) {
+                       match = tree_entry_interesting(&entry, base, tn_len, pathspec);
+                       if (match < 0)
+                               break;
+                       if (match == 0)
                                continue;
                }
 
@@ -813,6 +822,10 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                OPT_BOOLEAN('c', "count", &opt.count,
                        "show the number of matches instead of matching lines"),
                OPT__COLOR(&opt.color, "highlight matches"),
+               OPT_BOOLEAN(0, "break", &opt.file_break,
+                       "print empty line between matches from different files"),
+               OPT_BOOLEAN(0, "heading", &opt.heading,
+                       "show filename only once above matches from same file"),
                OPT_GROUP(""),
                OPT_CALLBACK('C', NULL, &opt, "n",
                        "show <n> context lines before and after matches",
@@ -967,8 +980,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                use_threads = 0;
 
        if (use_threads) {
-               if (opt.pre_context || opt.post_context)
-                       print_hunk_marks_between_files = 1;
+               if (opt.pre_context || opt.post_context || opt.file_break)
+                       skip_first_line = 1;
                start_threads(&opt);
        }
 #else
@@ -1003,13 +1016,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                        verify_filename(prefix, argv[j]);
        }
 
-       if (i < argc)
-               paths = get_pathspec(prefix, argv + i);
-       else if (prefix) {
-               paths = xcalloc(2, sizeof(const char *));
-               paths[0] = prefix;
-               paths[1] = NULL;
-       }
+       paths = get_pathspec(prefix, argv + i);
        init_pathspec(&pathspec, paths);
        pathspec.max_depth = opt.max_depth;
        pathspec.recursive = 1;