Update fount.ps1

Author: steve02081504

path/fount.ps1

@@ -916,15 +916,19 @@ elseif ($args[0] -eq 'protocolhandle') {
 }
 
 # 向用户的$Profile中注册导入fount-pwsh
+# 用 File IO 读写，避免 Get-Content/Set-Content 同文件流竞争导致 "Stream was not readable"
 if ($Profile -and (Get-Module fount-pwsh -ListAvailable)) {
-	$ProfileContent = Get-Content $Profile -ErrorAction Ignore
-	$ProfileContent = $ProfileContent -split "`n"
-	$ProfileContent = $ProfileContent | Where-Object { $_ -notmatch 'Import-Module fount-pwsh' }
-	$ProfileContent = $ProfileContent -join "`n"
-	$ProfileContent += "`nImport-Module fount-pwsh`n"
-	$ProfileContent = $ProfileContent -replace '\n+Import-Module fount-pwsh', "`nImport-Module fount-pwsh"
-	if ($ProfileContent -ne (Get-Content $Profile -ErrorAction Ignore)) {
-		Set-Content -Path $Profile -Value $ProfileContent
+	$profileDir = Split-Path -Parent $Profile
+	if ($profileDir -and -not (Test-Path -LiteralPath $profileDir)) {
+		New-Item -ItemType Directory -Path $profileDir -Force | Out-Null
+	}
+	$existing = if (Test-Path -LiteralPath $Profile) { [IO.File]::ReadAllText($Profile) } else { '' }
+	$nl = if ($existing.Contains("`r`n")) { "`r`n" } else { "`n" }
+	$stripped = [regex]::Replace($existing, '(?m)^\s*Import-Module\s+fount-pwsh\s*\r?\n?', '')
+	$stripped = $stripped.TrimEnd("`r", "`n")
+	$newContent = $(if ($stripped) { $stripped + $nl } else { '' }) + "Import-Module fount-pwsh$nl"
+	if ($newContent -ne $existing) {
+		[IO.File]::WriteAllText($Profile, $newContent)
 	}
 }
 
@@ -1754,13 +1758,14 @@ elseif ($args[0] -eq 'remove') {
 
 	# Remove fount-pwsh from PowerShell Profile
 	Write-Host (Get-I18n -key 'remove.removingFountPwshFromProfile')
-	if (Test-Path $Profile) {
-		$ProfileContent = Get-Content $Profile -ErrorAction Ignore
-		$ProfileContent = $ProfileContent -split "`n"
-		$ProfileContent = $ProfileContent | Where-Object { $_ -notmatch 'Import-Module fount-pwsh' }
-		$ProfileContent = $ProfileContent -join "`n"
-		if ($ProfileContent -ne ((Get-Content $Profile -ErrorAction Ignore) -split "`n" -join "`n")) {
-			Set-Content -Path $Profile -Value $ProfileContent
+	if (Test-Path -LiteralPath $Profile) {
+		$existing = [IO.File]::ReadAllText($Profile)
+		$nl = if ($existing.Contains("`r`n")) { "`r`n" } else { "`n" }
+		$newContent = [regex]::Replace($existing, '(?m)^\s*Import-Module\s+fount-pwsh\s*\r?\n?', '')
+		$newContent = $newContent.TrimEnd("`r", "`n")
+		if ($newContent) { $newContent += $nl }
+		if ($newContent -ne $existing) {
+			[IO.File]::WriteAllText($Profile, $newContent)
 		}
 		Write-Host (Get-I18n -key 'remove.fountPwshRemovedFromProfile')
 	}