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if ((Test-Path Function:\TabExpansion) -and -not (Test-Path Function:\{{prog_name}}TabExpansionBackup)) {
Rename-Item Function:\TabExpansion {{prog_name}}TabExpansionBackup
}
function TabExpansion($line, $lastWord) {
$lastBlock = [regex]::Split($line, '[|;]')[-1].TrimStart()
$aliases = @("{{prog_name}}") + @(Get-Alias | where { $_.Definition -eq "{{prog_name}}" } | select -Exp Name)
$aliasPattern = "($($aliases -join '|'))"
if($lastBlock -match "^$aliasPattern ") {
$Env:{{complete_var}} = "complete-powershell"
$Env:COMMANDLINE = "$lastBlock"
{%- for k, v in extra_env.items() %}
$Env:{{k}} = "{{v}}"
{%- endfor %}
({{prog_name}}) | ? {$_.trim() -ne "" }
Remove-Item Env:{{complete_var}}
Remove-Item Env:COMMANDLINE
{%- for k in extra_env.keys() %}
Remove-Item $Env:{{k}}
{%- endfor %}
}
elseif (Test-Path Function:\{{prog_name}}TabExpansionBackup) {
# Fall back on existing tab expansion
{{prog_name}}TabExpansionBackup $line $lastWord
}
}
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