refactor: replace git submodule with direct clone and handle GitHub CICD environment

Author: chenxuan520

.workflow/release.yml

@@ -22,7 +22,7 @@ stages:
         command:
           - 'apt-get update                                                       '
           - 'apt-get install -y build-essential curl cmake openssl libssl-dev git '
-          - 'git submodule update --init --recursive --depth=1                    '
+          - 'git clone https://gitee.com/chenxuan520/cpptest src/third_party/cpptest'
           - 'cd src                                                               '
           - ./release.sh
           - 'cp ./cppnet.tar.gz ../cppnet-ubuntu-release.tar.gz         '

.workflow/test.yml

@@ -22,7 +22,7 @@ stages:
         command:
           - apt-get update
           - apt-get install -y build-essential curl cmake openssl libssl-dev git
-          - git submodule update --init --recursive --depth=1
+          - git clone https://gitee.com/chenxuan520/cpptest src/third_party/cpptest
           - cd src
           - ./build.sh
           - ./bin/test_bin

demo/mnist/init.sh

@@ -1,7 +1,14 @@
 #!/bin/bash
 
-git clone https://gitee.com/chenxuan520/cppjson
-git clone https://gitee.com/chenxuan520/deeplearning.git
+if [ "$GITHUB_ACTIONS" = "true" ]; then
+    echo "In GitHub CICD environment"
+    git clone https://github.com/chenxuan520/cppjson
+    git clone https://github.com/chenxuan520/deeplearning.git
+else
+    echo "Not in GitHub CICD environment"
+    git clone https://gitee.com/chenxuan520/cppjson
+    git clone https://gitee.com/chenxuan520/deeplearning.git
+fi
 
 # if not exist demo.param
 if [ ! -f "./demo.param" ]; then

demo/web-server/init.sh

@@ -1,5 +1,11 @@
 #!/bin/bash
-git clone https://gitee.com/chenxuan520/cppjson
+if [ "$GITHUB_ACTIONS" = "true" ]; then
+    echo "In GitHub CICD environment"
+    git clone https://github.com/chenxuan520/cppjson
+else
+    echo "Not in GitHub CICD environment"
+    git clone https://gitee.com/chenxuan520/cppjson
+fi
 
 # if not exist ssl dir
 if [ ! -d "./ssl" ]; then