Merge branch 'jn/maint-test-return'
[gitweb.git] / builtin / grep.c
index 871afaa3c76ea34b67671a6e4a46957a08a946e5..1851797540c17791f03e0d2fb86f5463e4e3816e 100644 (file)
@@ -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);
@@ -813,18 +822,24 @@ 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",
+               OPT_CALLBACK('C', "context", &opt, "n",
                        "show <n> context lines before and after matches",
                        context_callback),
-               OPT_INTEGER('B', NULL, &opt.pre_context,
+               OPT_INTEGER('B', "before-context", &opt.pre_context,
                        "show <n> context lines before matches"),
-               OPT_INTEGER('A', NULL, &opt.post_context,
+               OPT_INTEGER('A', "after-context", &opt.post_context,
                        "show <n> context lines after matches"),
                OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM",
                        context_callback),
                OPT_BOOLEAN('p', "show-function", &opt.funcname,
                        "show a line with the function name before matches"),
+               OPT_BOOLEAN('W', "function-context", &opt.funcbody,
+                       "show the surrounding function"),
                OPT_GROUP(""),
                OPT_CALLBACK('f', NULL, &opt, "file",
                        "read patterns from file", file_callback),
@@ -967,8 +982,9 @@ 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 ||
+                   opt.funcbody)
+                       skip_first_line = 1;
                start_threads(&opt);
        }
 #else