grep: respect diff attributes for binary-ness

diff --git a/grep.c b/grep.c
index bb1856985b673a3a57cf2aaad8c82d5de2abd521..a50d161721b606f728ffededb43d049f7eb2ce1b 100644 (file)
--- a/grep.c
+++ b/grep.c
@@ -1024,11 +1024,11 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
 
        switch (opt->binary) {
        case GREP_BINARY_DEFAULT:
-               if (buffer_is_binary(gs->buf, gs->size))
+               if (grep_source_is_binary(gs))
                        binary_match_only = 1;
                break;
        case GREP_BINARY_NOMATCH:
-               if (buffer_is_binary(gs->buf, gs->size))
+               if (grep_source_is_binary(gs))
                        return 0; /* Assume unmatch */
                break;
        case GREP_BINARY_TEXT:
@@ -1350,3 +1350,15 @@ void grep_source_load_driver(struct grep_source *gs)
                gs->driver = userdiff_find_by_name("default");
        grep_attr_unlock();
 }
+
+int grep_source_is_binary(struct grep_source *gs)
+{
+       grep_source_load_driver(gs);
+       if (gs->driver->binary != -1)
+               return gs->driver->binary;
+
+       if (!grep_source_load(gs))
+               return buffer_is_binary(gs->buf, gs->size);
+
+       return 0;
+}