#Companion code for the blog https://cloudywindows.com

#call this code direction from the web with:

#bash <(wget -qO - https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/install-powershell.sh) <ARGUMENTS>

#wget -O - https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/install-powershell.sh | bash -s <ARGUMENTS>

#bash <(curl -s https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/install-powershell.sh) <ARGUMENTS>

#Usage - if you do not have the ability to run scripts directly from the web,

# pull all files in this repo folder and execute, this script

# automatically prefers local copies of sub-scripts

#Completely automated install requires a root account or sudo with a password requirement

#Switches

# -includeide - installs VSCode and VSCode PowerShell extension (only relevant to machines with desktop environment)

# -interactivetesting - do a quick launch test of VSCode (only relevant when used with -includeide)

# -skip-sudo-check - use sudo without verifying its availability (hard to accurately do on some distros)

# -preview - installs the latest preview release of PowerShell side-by-side with any existing production releases

#gitrepo paths are overrideable to run from your own fork or branch for testing or private distribution

local VERSION="1.2.0"

# Pin to specific commit for security (OpenSSF Scorecard requirement)

# Pinned commit: 26bb188c8 - "Improve ValidateLength error message consistency and refactor validation tests" (2025-10-12)

local gitreposubpath="PowerShell/PowerShell/26bb188c8be0cda6cb548ce1a12840ebf67e1331"

local gitreposcriptroot="https://raw.githubusercontent.com/$gitreposubpath/tools"

local gitscriptname="install-powershell.psh"

echo "Get-PowerShell MASTER Installer Version $VERSION"

echo "Installs PowerShell and Optional The Development Environment"

echo " Original script is at: $gitreposcriptroot\\$gitscriptname"

echo "Arguments used: $*"

echo ""

# Let's quit on interrupt of subcommands

trap '

' INT

lowercase(){

echo "$1" | tr "[:upper:]" "[:lower:]"

}

local OS

OS=$(lowercase "$(uname)")

local KERNEL

KERNEL=$(uname -r)

local MACH

MACH=$(uname -m)

local DIST

local DistroBasedOn

local PSUEDONAME

local REV

if [ "${OS}" == "windowsnt" ]; then

OS=windows

DistroBasedOn=windows

SCRIPTFOLDER=$(dirname "$(readlink -f "$0")")

elif [ "${OS}" == "darwin" ]; then

OS=osx

DistroBasedOn=osx

# readlink doesn't work the same on macOS

SCRIPTFOLDER=$(dirname "$0")

else

SCRIPTFOLDER=$(dirname "$(readlink -f "$0")")

OS=$(uname)

DISTRIBUTOR_ID=$(lsb_release --id 2>/dev/null | sed -E 's/^.*:[[:space:]]*//')

if [ "${OS}" == "SunOS" ] ; then

OS=solaris

ARCH=$(uname -p)

OSSTR="${OS} ${REV}(${ARCH} $(uname -v))"

DistroBasedOn=sunos

elif [ "${OS}" == "AIX" ] ; then

OSSTR="${OS} $(oslevel) ($(oslevel -r))"

DistroBasedOn=aix

elif [ "${OS}" == "Linux" ] ; then

if [ -f /etc/redhat-release ] ; then

DistroBasedOn='redhat'

DIST=$(sed s/\ release.*// < /etc/redhat-release)

PSUEDONAME=$( (sed s/.*\(// | sed s/\)//) < /etc/redhat-release )

REV=$( (sed s/.*release\ // | sed s/\ .*//) < /etc/redhat-release )

elif [ -f /etc/system-release ] ; then

DIST=$(sed s/\ release.*// < /etc/system-release)

PSUEDONAME=$( (sed s/.*\(// | sed s/\)//) < /etc/system-release )

REV=$( (sed s/.*release\ // | sed s/\ .*//) < /etc/system-release )

if [[ $DIST == *"Amazon Linux"* ]] ; then

DistroBasedOn='amazonlinux'

else

DistroBasedOn='redhat'

fi

elif [ -f /etc/mariner-release ] ; then

DistroBasedOn='mariner'

PSUEDONAME=$( (sed s/.*\(// | sed s/\)//) < /etc/mariner-release )

REV=$( (sed s/.*release\ // | sed s/\ .*//) < /etc/mariner-release )

elif [ -f /etc/mandrake-release ] ; then

DistroBasedOn='mandrake'

PSUEDONAME=$( (sed s/.*\(// | sed s/\)//) < /etc/mandrake-release )

REV=$( (sed s/.*release\ // | sed s/\ .*//) < /etc/mandrake-release )

elif [ -f /etc/azurelinux-release ] ; then

DistroBasedOn='mariner'

PSUEDONAME=$( (sed s/.*\(// | sed s/\)//) < /etc/azurelinux-release )

REV=$( (sed s/.*release\ // | sed s/\ .*//) < /etc/azurelinux-release )

elif [ -f /etc/debian_version ] ; then

DistroBasedOn='debian'

DIST=$(. /etc/os-release && echo $NAME)

PSUEDONAME=$(. /etc/os-release && echo $VERSION_CODENAME)

REV=$(. /etc/os-release && echo $VERSION_ID)

elif [ "$DISTRIBUTOR_ID" = Gentoo ] ; then

DistroBasedOn='gentoo'

DIST=$(. /etc/os-release && echo $NAME)

PSUEDONAME=$(eselect --brief profile show | sed -E 's/[[:space:]]*//g')

REV=$( eselect --brief profile show | sed -E 's|^.*/([[:digit:].]+).*|\1|')

fi

if [ -f /etc/UnitedLinux-release ] ; then

DIST="${DIST}[$( (tr "\n" ' ' | sed s/VERSION.*//) < /etc/UnitedLinux-release )]"

fi

osname=$(source /etc/os-release; echo $PRETTY_NAME)

if [[ $osname = *SUSE* ]]; then

DistroBasedOn='suse'

REV=$(source /etc/os-release; echo $VERSION_ID)

fi

OS=$(lowercase $OS)

DistroBasedOn=$(lowercase $DistroBasedOn)

fi

fi

echo "Operating System Details:"

echo " OS: $OS"

echo " DIST: $DIST"

echo " DistroBasedOn: $DistroBasedOn"

echo " PSUEDONAME: $PSUEDONAME"

echo " REV: $REV"

echo " KERNEL: $KERNEL"

echo " MACH: $MACH"

echo " OSSTR: $OSSTR"

case "$DistroBasedOn" in

redhat|debian|osx|suse|amazonlinux|gentoo|mariner)

echo "Configuring PowerShell Environment for: $DistroBasedOn $DIST $REV"

if [ -f "$SCRIPTFOLDER/installpsh-$DistroBasedOn.sh" ]; then

#Script files were copied local - use them

# shellcheck source=/dev/null

. "$SCRIPTFOLDER/installpsh-$DistroBasedOn.sh"

else

#Script files are not local - pull from remote

echo "Could not find \"installpsh-$DistroBasedOn.sh\" next to this script..."

echo "Pulling and executing it from \"$gitreposcriptroot/installpsh-$DistroBasedOn.sh\""

if [ -n "$(command -v curl)" ]; then

echo "found and using curl"

bash <(curl -s $gitreposcriptroot/installpsh-"$DistroBasedOn".sh) "$@"

elif [ -n "$(command -v wget)" ]; then

echo "found and using wget"

bash <(wget -qO- $gitreposcriptroot/installpsh-"$DistroBasedOn".sh) "$@"

else

echo "Could not find curl or wget, install one of these or manually download \"$gitreposcriptroot/installpsh-$DistroBasedOn.sh\""

fi

fi

;;

*)

echo "Sorry, your operating system is based on $DistroBasedOn and is not supported by PowerShell or this installer at this time."

exit 1

;;

esac