[package]use utf-8 open file. (#197)

* [package]use utf-8 open file.

* add pkgs.ps1

* [powershell] add pkgs cmd support

* [powershell] support download git.

install_windows.ps1

@@ -28,11 +28,22 @@ if (!$?) {
     exit
 }
 
-
+$git_url = "https://github.com/git-for-windows/git/releases/download/v2.39.2.windows.1/Git-2.39.2-64-bit.exe"
+if ($args[0] -eq "--gitee") {
+    $git_url = "https://registry.npmmirror.com/-/binary/git-for-windows/v2.39.2.windows.1/Git-2.39.2-64-bit.exe"
+}
 if (!(Test-Command git)) {
     echo "Git not installed. Will install Git."
     echo "Installing git."
     winget install --id Git.Git -e --source winget
+    if (!$?) {
+        echo "Can't find winget cmd, Will install git 2.39.2."
+        echo "downloading git."
+        wget -O Git64.exe $git_url
+        echo "Please install git. when install done, close the current terminal and run this script again."
+        cmd /c Git64.exe /quiet PrependPath=1
+        exit
+    }
 }
 
 $PIP_SOURCE = "https://pypi.org/simple"

package.py

@@ -130,12 +130,12 @@
 Return('group')
 '''
 
-
+import codecs 
 class PackageOperation:
     pkg = None
 
     def parse(self, filename):
-        with open(filename, "r") as f:
+        with codecs.open(filename, "r", encoding='utf-8') as f:
             json_str = f.read()
 
         if json_str:

pkgs.ps1

@@ -0,0 +1 @@
+python $HOME/.env/tools/scripts/env.py package $args

touch_env.ps1

@@ -22,4 +22,5 @@ if (!(Test-Path -Path $env_dir)) {
     echo 'source "$PKGS_DIR/packages/Kconfig"' | Out-File -FilePath $env_dir/packages/Kconfig -Encoding ASCII
     git clone $ENV_URL $env_dir/tools/scripts
     echo '$env:path="$HOME\.env\tools\scripts;$env:path"' > $env_dir/env.ps1
+    echo '$env:pathext=".PS1;$env:pathext"' >> $env_dir/env.ps1
 }