ui-tree,ui-blame: bail from blame if blob is binary

This avoids piping binary blobs through the source-filter. Also prevent
robots from crawling it, since it's expensive.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 file changed, 4 insertions, 0 deletions

diff --git a/ui-blame.c b/ui-blame.c
index 03136f7..4adec2b 100644
--- a/ui-blame.c
+++ b/ui-blame.c
@@ -152,6 +152,10 @@ static void print_object(const struct object_id *oid, const char *path,
 	cgit_tree_link("tree", NULL, NULL, ctx.qry.head, rev, path);
 	html(")\n");
 
+	if (buffer_is_binary(buf, size)) {
+		html("<div class='error'>blob is binary.</div>");
+		goto cleanup;
+	}
 	if (ctx.cfg.max_blob_size && size / 1024 > ctx.cfg.max_blob_size) {
 		htmlf("<div class='error'>blob size (%ldKB)"
 		      " exceeds display size limit (%dKB).</div>",