<#
.SYNOPSIS
	install-github-cli.ps1 
.DESCRIPTION
	Installs GitHub CLI.
.EXAMPLE
	PS> .\install-github-cli.ps1 
.NOTES
	Author: Markus Fleschutz · License: CC0
.LINK
	https://github.com/fleschutz/PowerShell
#>

try {
	$StopWatch = [system.diagnostics.stopwatch]::startNew()

	if ($IsMacOS) {
		brew install gh
	} elseif ($IsLinux) {
		curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | sudo gpg --dearmor -o /usr/share/keyrings/githubcli-archive-keyring.gpg
		echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | sudo tee /etc/apt/sources.list.d/github-cli.list > /dev/null
		sudo apt update
		sudo apt install gh
	}

	[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
	"✔️ installed GitHub CLI in $Elapsed sec"
	exit 0
} catch {
	write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}