Get GitHub Copilot for CLI in Powershell by adding the contents here to your $Profile. Ensure that you have installed and authenticated in the GitHub CLI to make it work properly.

PowerShell_profile.ps1

Function GhCopilotSuggestShell {
    gh copilot suggest -t shell "$args"
}

Function GhCopilotSuggestPowerShell {
    gh copilot suggest -t shell "$args using Windows Powershell"
}

Function GhCopilotSuggestPowerShellCore {
    gh copilot suggest -t shell "$args using Powershell Core (pswh)"
}

Function GhCopilotSuggestGit {
    gh copilot suggest -t git "$args"
}

Function GhCopilotSuggestGitHub {
    gh copilot suggest -t gh "$args"
}

# By default use Powershell Core
Set-Alias ?? GhCopilotSuggestPowerShellCore

# Explicit calls for Powershell related stuff
Set-Alias pwsh? GhCopilotSuggestPowerShellCore
Set-Alias powershell? GhCopilotSuggestPowerShell

# Regular supported Copilot targets ("gh copilot suggest --help" for more info)
Set-Alias shell? GhCopilotSuggestShell
Set-Alias git? GhCopilotSuggestGit
Set-Alias gh? GhCopilotSuggestGitHub

# Example usage:
#
# > ?? list all .csv files in the current folder without file extension
#
# Suggestion:
#   Get-ChildItem -Filter *.csv | foreach { $_.BaseName }