core: 优化 powershell 查询

- 避免 wmic where 条件有空格时报错
- 减少 ForEach-Object 以提高速度

reinstall.sh

@@ -643,13 +643,12 @@ wmic() {
         curl -Lo "$tmp/wmic.ps1" "$confhome/wmic.ps1"
     fi
 
-    # shellcheck disable=SC2046
     powershell -NoLogo -NoProfile -NonInteractive -ExecutionPolicy Bypass \
         -File "$(cygpath -w "$tmp/wmic.ps1")" \
         -Namespace "$namespace" \
         -Class "$class" \
-        $([ -n "$filter" ] && echo -Filter "$filter") \
+        ${filter:+"-Filter"} ${filter:+"$filter"} \
-        $([ -n "$props" ] && echo -Properties "$props")
+        ${props:+"-Properties"} ${props:+"$props"}
 }
 
 is_virt() {

wmic.ps1

@@ -1,36 +1,59 @@
 param(
-    [string]$Namespace,
+    [string]$Namespace = "root\cimv2",
-    [string]$Class,
+    [Parameter(Mandatory = $true)] [string]$Class,
     [string]$Filter,
     [string]$Properties
 )
 
-$propertiesToDisplay = if ($Properties) { $Properties.Split(",") } else { @("*") }
+# 预处理属性列表：如果有输入则处理成数组，否则保持为空数组
-
+[string[]]$propertyList = if ($Properties) {
-$wmiQuery = @{
+    $Properties.Split(",") | ForEach-Object { $_.Trim() }
-    Namespace = $Namespace
+}
-    Class     = $Class
+else {
+    @()
 }
 
-if ($Filter) {
+# 检查是否支持 Get-Cimresult
-    $wmiQuery.Filter = $Filter
+$isSupportCim = [bool](Get-Command Get-Cimresult -ErrorAction SilentlyContinue)
+
+# 构造查询参数
+$queryParams = @{ Namespace = $Namespace }
+if ($isSupportCim) { $queryParams.ClassName = $Class } else { $queryParams.Class = $Class }
+if ($Filter) { $queryParams.Filter = $Filter }
+
+# 限制查询属性，加快查询速度
+# CIM 支持
+# WIM 不支持
+if ($isSupportCim -and $propertyList.Count -gt 0) {
+    $queryParams.Property = $propertyList
 }
 
-Get-WmiObject @wmiQuery | ForEach-Object {
+# 执行查询
-    $_.PSObject.Properties | Where-Object {
+$results = if ($isSupportCim) { Get-Cimresult @queryParams } else { Get-WmiObject @queryParams }
-        -not $_.Name.StartsWith("__") -and
-        ($propertiesToDisplay -contains $_.Name -or $propertiesToDisplay -contains "*")
-    } | ForEach-Object {
-        $name = $_.Name
-        $value = $_.Value
 
-        # 改成 wmic 的输出格式
+# 遍历结果
-        if ($value -is [Array]) {
+foreach ($result in $results) {
-            $formattedValue = ($value | ForEach-Object { "`"$_`"" }) -join ","
+    # 遍历属性
-            Write-Output "$name={$formattedValue}"
+    foreach ($property in $result.PSObject.Properties) {
-        }
+        $name = $property.Name
-        else {
+        $value = $property.Value
-            Write-Output "$name=$value"
+
+        # 过滤系统属性
+        if ($name.StartsWith("__") -or $name -eq "CimresultProperties" -or $name -eq "CimClass") { continue }
+
+        # 只输出 propertyList 有的属性
+        # propertyList 为空表示不过滤
+        if ($propertyList.Count -eq 0 -or $propertyList -contains $name) {
+
+            # 改成 wmic 的输出格式
+            # 这里要注意 string 也是 IEnumerable
+            if ($value -isnot [string] -and $value -is [Collections.IEnumerable]) {
+                $formattedValue = ($value | ForEach-Object { "`"$_`"" }) -join ","
+                Write-Output "$name={$formattedValue}"
+            }
+            else {
+                Write-Output "$name=$value"
+            }
         }
     }
 }