vcs-svn: implement text-delta handling

diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c
index 11c59f18bfccadbd56c7313b0eafea457f5c9f0b..b1f4161068d478b52d0af15990d58f4a3d838da3 100644 (file)
--- a/vcs-svn/svndump.c
+++ b/vcs-svn/svndump.c
@@ -217,9 +217,7 @@ static void handle_node(void)
         */
        static const char *const empty_blob = "::empty::";
        const char *old_data = NULL;
-
-       if (node_ctx.text_delta)
-               die("text deltas not supported");
+       uint32_t old_mode = REPO_MODE_BLB;
 
        if (node_ctx.action == NODEACT_DELETE) {
                if (have_text || have_props || node_ctx.srcRev)
@@ -255,6 +253,7 @@ static void handle_node(void)
                if (mode != REPO_MODE_DIR && type == REPO_MODE_DIR)
                        die("invalid dump: cannot modify a file into a directory");
                node_ctx.type = mode;
+               old_mode = mode;
        } else if (node_ctx.action == NODEACT_ADD) {
                if (type == REPO_MODE_DIR)
                        old_data = NULL;
@@ -289,8 +288,14 @@ static void handle_node(void)
                fast_export_modify(node_ctx.dst.buf, node_ctx.type, old_data);
                return;
        }
+       if (!node_ctx.text_delta) {
+               fast_export_modify(node_ctx.dst.buf, node_ctx.type, "inline");
+               fast_export_data(node_ctx.type, node_ctx.textLength, &input);
+               return;
+       }
        fast_export_modify(node_ctx.dst.buf, node_ctx.type, "inline");
-       fast_export_data(node_ctx.type, node_ctx.textLength, &input);
+       fast_export_blob_delta(node_ctx.type, old_mode, old_data,
+                               node_ctx.textLength, &input);
 }
 
 static void begin_revision(void)