get testnet latest version from README_testnet.md (#253)

Author: xianhuawei

README.md

@@ -19,7 +19,7 @@
 
 Here are the software versions we use:
 
-- IoTeX MainNet: v1.10.1
+- MainNet: v1.10.1
 
 ## <a name="testnet"/>Join TestNet
 To start and run a testnet node, please click [**Join Testnet**](https://github.com/iotexproject/iotex-bootstrap/blob/master/README_testnet.md)
@@ -274,11 +274,6 @@ sudo bash # If your docker requires root privilege
 bash <(curl -s https://raw.githubusercontent.com/iotexproject/iotex-bootstrap/master/scripts/setup_fullnode.sh) plugin=gateway
 ```
 
-Currently, auto upgrade is turned on by default. To disable this feature, enter `N` when asked following question:
-```bash
-Do you want to auto update the node [Y/N] (Default: Y)? N
-```
-
 To stop auto upgdrade cron job and iotex server program, you can run
 ```bash
 sudo bash # If your docker requires root privilege

README_CN.md

@@ -250,11 +250,6 @@ sudo bash # If your docker requires root privilege
 bash <(curl -s https://raw.githubusercontent.com/iotexproject/iotex-bootstrap/master/scripts/setup_fullnode.sh) plugin=gateway
 ```
 
-目前，节点自动升级默认开启。如果需要禁用此功能，请在系统询问以下问题时输入“N”：
-```bash
-Do you want to auto update the node [Y/N] (Default: Y)? N
-```
-
 如果需要停止自动升级 cron job 和 iotex 服务器程序，您可以运行以下指令：
 ```bash
 sudo bash # If your docker requires root privilege

README_CN_testnet.md

@@ -248,11 +248,6 @@ sudo bash # If your docker requires root privilege
 bash <(curl -s https://raw.githubusercontent.com/iotexproject/iotex-bootstrap/master/scripts/setup_fullnode.sh) testnet plugin=gateway
 ```
 
-目前，节点自动升级默认开启。如果需要禁用此功能，请在系统询问以下问题时输入“N”：
-```bash
-Do you want to auto update the node [Y/N] (Default: Y)? N
-```
-
 如果需要停止自动升级 cron job 和 iotex 服务器程序，您可以运行以下指令：
 ```bash
 sudo bash # If your docker requires root privilege

README_testnet.md

@@ -18,7 +18,7 @@
 
 Here are the software versions we use:
 
-- IoTeX TestNet: v1.11.0-rc3
+- TestNet: v1.11.0-rc3
 
 **Note**
 To start and run a mainnet node, please click [**Join Mainnet**](https://github.com/iotexproject/iotex-bootstrap/blob/master/README.md)
@@ -272,11 +272,6 @@ sudo bash # If your docker requires root privilege
 bash <(curl -s https://raw.githubusercontent.com/iotexproject/iotex-bootstrap/master/scripts/setup_fullnode.sh) testnet plugin=gateway
 ```
 
-Currently, auto upgrade is turned on by default. To disable this feature, enter `N` when asked following question:
-```bash
-Do you want to auto update the node [Y/N] (Default: Y)? N
-```
-
 To stop auto upgdrade cron job and iotex server program, you can run
 ```bash
 sudo bash # If your docker requires root privilege

scripts/setup_fullnode.sh

@@ -396,6 +396,10 @@ function main() {
 
     # Get the latest version.
     lastversion=$(curl -sS https://api.github.com/repos/iotexproject/iotex-core/releases/latest|grep -oP '(?<="tag_name": ")[^"]*')
+    if [ "$_GREP_STRING_" = "TestNet" ];then
+        lastversion=$(curl -sS https://raw.githubusercontent.com/iotexproject/iotex-bootstrap/master/README_testnet.md|grep "^- $_GREP_STRING_:"|awk '{print $3}')
+    fi
+
     echo -e "Current operating environment: ${YELLOW}  $env ${NC}"
     read -p "Install or Upgrade Version; if null the latest [$lastversion]: " ver
     version=${ver:-"$lastversion"}   # if $ver ;then version=$ver;else version=$lastversion"