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DevOps-Bash-tools/setup/install_powershell_debian.sh

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#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2020-03-09 22:38:36 +0000 (Mon, 09 Mar 2020)
#
# https://github.com/harisekhon/bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
# https://www.linkedin.com/in/harisekhon
#
# Installs PowerShell on Debian
#
# https://docs.microsoft.com/en-us/powershell/scripting/install/installing-powershell-core-on-linux
set -euo pipefail
[ -n "${DEBUG:-}" ] && set -x
sudo=""
[ $EUID -eq 0 ] || sudo=sudo
if type -P pwsh &>/dev/null; then
echo "PowerShell is already installed"
exit 0
fi
# works on Debian 8 & 9
# Debian 10 not supported yet, only in Preview
# https://docs.microsoft.com/en-us/powershell/scripting/install/installing-powershell-core-on-linux?view=powershell-7#debian-10
if ! grep -q '^ID=debian' /etc/*release; then
echo "Not Debian"
exit 1
fi
# works in Stretch but not in Jessie
#codename="$(awk -F= '/^VERSION_CODENAME=/{print $2}' /etc/*release)"
codename="$(grep -Eo '^VERSION="[[:digit:]]* \(.+\)"' /etc/*release | sed 's/.*(//; s/)//; s/"//g')"
$sudo apt-get update
$sudo apt-get install -y curl gnupg apt-transport-https
curl https://packages.microsoft.com/keys/microsoft.asc | $sudo apt-key add -
$sudo sh -c "echo 'deb [arch=amd64] https://packages.microsoft.com/repos/microsoft-debian-$codename-prod $codename main' > /etc/apt/sources.list.d/microsoft.list"
$sudo apt-get update
$sudo apt-get install -y powershell