Prepare for 2.21 cycle to start soonish

Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/RelNotes/2.21.0.txt b/Documentation/RelNotes/2.21.0.txt
new file mode 100644
index 0000000..ad681bd
--- /dev/null
+++ b/Documentation/RelNotes/2.21.0.txt
@@ -0,0 +1,22 @@
+Git 2.21 Release Notes
+======================
+
+Backward Compatibility Notes
+----------------------------
+
+
+Updates since v2.20
+-------------------
+
+UI, Workflows & Features
+
+
+
+Performance, Internal Implementation, Development Support etc.
+
+
+
+Fixes since v2.20
+-----------------
+
+ * Code cleanup, docfix, build fix, etc.
diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 216beef..0a3ccac 100755
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.20.0
+DEF_VER=v2.20.GIT
 
 LF='
 '
diff --git a/RelNotes b/RelNotes
index 8d0b165..31e2135 120000
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/2.20.0.txt
\ No newline at end of file
+Documentation/RelNotes/2.21.0.txt
\ No newline at end of file