resolve show version problem

src/Buptvppe/pre_install.sh

 #!/bin/bash
 
+#tar -zxvf git_bak.tar.gz
+#mv ./git_bak/.git ./
 
 
 

src/Buptvppe/src/vpp/app/version.c

@@ -27,9 +27,11 @@
  * dumps, i.e., not in the rodata segment
  */
 
+#define  VPP_BUILD_VER_ADD  "20.05-rc0~582-g1339dce8f"
+
 /** The image version string */
 char *vpe_version_string =
-  "vpp v" VPP_BUILD_VER
+  "vpp v" VPP_BUILD_VER_ADD
   " built by " VPP_BUILD_USER " on " VPP_BUILD_HOST " at " VPP_BUILD_DATE;
 
 /** The name of the compiler */