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Properly Expand Aliases to their actual ResolvedCommand #25763

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Merged
iSazonov merged 5 commits into from
Oct 15, 2025
Merged

Properly Expand Aliases to their actual ResolvedCommand #25763

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1ee20dd
Properly Expand Cmdlet/Function Aliases - fixes #25616
kilasuit Jul 18, 2025
e0bf732
Add test for issue 25616
kilasuit Jul 18, 2025
2a3e836
address comments from @iSazonov
kilasuit Jul 19, 2025
0fdc16c
test simplification
kilasuit Jul 19, 2025
57864d1
test name update
kilasuit Jul 19, 2025
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10 changes: 2 additions & 8 deletions src/System.Management.Automation/engine/TypeTable_Types_Ps1Xml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -565,21 +565,15 @@ private void Process_Types_Ps1Xml(string filePath, ConcurrentBag<string> errors)
typeName,
new PSScriptProperty(
@"DisplayName",
GetScriptBlock(@"if ($this.Name.IndexOf('-') -lt 0)
{
if ($null -ne $this.ResolvedCommand)
GetScriptBlock(@"if ($null -ne $this.ResolvedCommand)
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kilasuit marked this conversation as resolved.
{
$this.Name + "" -> "" + $this.ResolvedCommand.Name
}
else
{
$this.Name + "" -> "" + $this.Definition
}
}
else
{
$this.Name
}"),
"),
setterScript: null,
shouldCloneOnAccess: true),
typeMembers,
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10 changes: 10 additions & 0 deletions test/powershell/Modules/Microsoft.PowerShell.Utility/Get-Alias.Tests.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,16 @@ Describe "Get-Alias DRT Unit Tests" -Tags "CI" {
$returnObject[$i].Definition | Should -Be 'Get-Command'
}
}

It "Get-Alias DisplayName should always show AliasName -> ResolvedCommand for all aliases" {
Set-Alias -Name Test-MyAlias -Value Get-Command -Force
Set-Alias -Name tma -Value Test-MyAlias -force
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$aliases = Get-Alias Test-MyAlias, tma
$aliases | ForEach-Object {
$_.DisplayName | Should -Be "$($_.Name) -> Get-Command"
}
$aliases.Name.foreach{Remove-Item Alias:$_ -ErrorAction SilentlyContinue}
}
}

Describe "Get-Alias" -Tags "CI" {
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