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#!/usr/bin/env pwsh
function global:prompt {
$origDollarQuestion = $global:?
$origLastExitCode = $global:LASTEXITCODE
$out = $null
# @ makes sure the result is an array even if single or no values are returned
$jobs = @(Get-Job | Where-Object { $_.State -eq 'Running' }).Count
$env:PWD = $PWD
$current_directory = (Convert-Path -LiteralPath $PWD)
# Whe start from the premise that the command executed correctly, which covers also the fresh console.
$lastExitCodeForPrompt = 0
# Save old output encoding and set it to UTF-8
$origOutputEncoding = [Console]::OutputEncoding
[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
if ($lastCmd = Get-History -Count 1) {
# In case we have a False on the Dollar hook, we know there's an error.
if( -not $origDollarQuestion){
# We retrieve the InvocationInfo from the most recent error.
$lastCmdletError = Get-Error | Where-Object {$_ -ne $null} | Select-Object -expand InvocationInfo
# We check if the las command executed matches the line that caused the last error , in which case we know
# it was an internal Powershell command, otherwise, there MUST be an error code.
$lastExitCodeForPrompt = if($lastCmd.CommandLine -eq $lastCmdletError.Line){1} else {$origLastExitCode}
}
$duration = [math]::Round(($lastCmd.EndExecutionTime - $lastCmd.StartExecutionTime).TotalMilliseconds)
# & ensures the path is interpreted as something to execute
$out = @(&::STARSHIP:: prompt "--path=$current_directory" --status=$lastExitCodeForPrompt --jobs=$jobs --cmd-duration=$duration)
} else {
$out = @(&::STARSHIP:: prompt "--path=$current_directory" --status=$lastExitCodeForPrompt --jobs=$jobs)
}
# Restore old output encoding
[Console]::OutputEncoding = $origOutputEncoding
# Convert stdout (array of lines) to expected return type string
# `n is an escaped newline
$out -join "`n"
# Propagate the original $LASTEXITCODE from before the prompt function was invoked.
$global:LASTEXITCODE = $origLastExitCode
# Propagate the original $? automatic variable value from before the prompt function was invoked.
#
# $? is a read-only or constant variable so we can't directly override it.
# In order to propagate up its original boolean value we will take an action
# which will produce the desired value.
#
# This has to be the very last thing that happens in the prompt function
# since every PowerShell command sets the $? variable.
if ($global:? -ne $origDollarQuestion) {
if ($origDollarQuestion) {
# Simple command which will execute successfully and set $? = True without any other side affects.
1+1
} else {
# Write-Error will set $? to False.
# ErrorAction Ignore will prevent the error from being added to the $Error collection.
Write-Error '' -ErrorAction 'Ignore'
}
}
}
$ENV:STARSHIP_SHELL = "powershell"
# Set up the session key that will be used to store logs
$ENV:STARSHIP_SESSION_KEY = -join ((48..57) + (65..90) + (97..122) | Get-Random -Count 16 | ForEach-Object { [char]$_ })
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