60 lines
2.2 KiB
PowerShell
60 lines
2.2 KiB
PowerShell
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[CmdletBinding()]
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param(
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[Parameter(Mandatory = $true)]
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[string]$Source,
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[Parameter(Mandatory = $true)]
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[string]$Target)
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# This script translates the output from 7zdec into UTF8. Node has limited
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# built-in support for encodings.
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#
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# 7zdec uses the system default code page. The system default code page varies
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# depending on the locale configuration. On an en-US box, the system default code
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# page is Windows-1252.
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#
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# Note, on a typical en-US box, testing with the 'ç' character is a good way to
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# determine whether data is passed correctly between processes. This is because
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# the 'ç' character has a different code point across each of the common encodings
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# on a typical en-US box, i.e.
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# 1) the default console-output code page (IBM437)
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# 2) the system default code page (i.e. CP_ACP) (Windows-1252)
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# 3) UTF8
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$ErrorActionPreference = 'Stop'
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# Redefine the wrapper over STDOUT to use UTF8. Node expects UTF8 by default.
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$stdout = [System.Console]::OpenStandardOutput()
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$utf8 = New-Object System.Text.UTF8Encoding($false) # do not emit BOM
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$writer = New-Object System.IO.StreamWriter($stdout, $utf8)
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[System.Console]::SetOut($writer)
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# All subsequent output must be written using [System.Console]::WriteLine(). In
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# PowerShell 4, Write-Host and Out-Default do not consider the updated stream writer.
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Set-Location -LiteralPath $Target
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# Print the ##command.
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$_7zdec = Join-Path -Path "$PSScriptRoot" -ChildPath "externals/7zdec.exe"
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[System.Console]::WriteLine("##[command]$_7zdec x `"$Source`"")
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# The $OutputEncoding variable instructs PowerShell how to interpret the output
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# from the external command.
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$OutputEncoding = [System.Text.Encoding]::Default
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# Note, the output from 7zdec.exe needs to be iterated over. Otherwise PowerShell.exe
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# will launch the external command in such a way that it inherits the streams.
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& $_7zdec x $Source 2>&1 |
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ForEach-Object {
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if ($_ -is [System.Management.Automation.ErrorRecord]) {
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[System.Console]::WriteLine($_.Exception.Message)
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}
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else {
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[System.Console]::WriteLine($_)
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}
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}
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[System.Console]::WriteLine("##[debug]7zdec.exe exit code '$LASTEXITCODE'")
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[System.Console]::Out.Flush()
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if ($LASTEXITCODE -ne 0) {
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exit $LASTEXITCODE
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}
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