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Berlintay patch 1 (#1) #11600

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208 changes: 208 additions & 0 deletions reference/docs-conceptual/install/Installing-PowerShell-on-Linux.md
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Expand Up @@ -49,6 +49,214 @@ Ubuntu uses APT (Advanced Package Tool) as a package manager.

For more information, see [Install PowerShell on Ubuntu][18].

## Automated Installation Script
The following script automatically detects your Linux distribution, architecture, and installs the latest stable version of PowerShell. It includes:
- Automatic OS and architecture detection
- Latest stable PowerShell version detection
- Interactive prompts for version confirmation
- Comprehensive error handling and logging
- Support for Ubuntu, Debian, RHEL, CentOS, and Fedora
- Support for AMD64 and ARM64 architectures

>[!NOTE]
>Save this script as `linux_autodetect_install.sh` and enable execution with `chmod +x linux_autodetect_install.sh`

[Download linux_autodetect_install.sh](linux_autodetect_install.sh)

<details>
<summary>Click to view installation script</summary>

```bash
#!/bin/bash

# PowerShell Installation Script for Linux
# Description: Automatically detects system type and installs the latest stable PowerShell release
# Features:
# - OS and architecture detection
# - Latest stable version detection
# - Interactive installation
# - Comprehensive error handling
# - Support for major Linux distributions
# Author: Microsoft Corporation
# License: MIT

set -e

# Constants
TEMP_DIR="/tmp"
LOG_PREFIX="[PowerShell Install]"

# Logging function with standardized format
log() {
local level="$1"
local message="$2"
echo "[$(date +'%Y-%m-%d %H:%M:%S')] ${LOG_PREFIX} ${level}: ${message}"
}

# Error handling function
handle_error() {
local exit_code=$?
log "ERROR" "An error occurred on line $1"
exit "$exit_code"
}

# Set up error handling
trap 'handle_error $LINENO' ERR

# System detection functions
get_os_info() {
if [ -f /etc/os-release ]; then
# Load OS information
. /etc/os-release
OS_NAME="${ID}"
OS_VERSION="${VERSION_ID}"
OS_PRETTY_NAME="${PRETTY_NAME}"
else
log "ERROR" "Cannot detect OS information"
exit 1
}
}

get_architecture() {
local arch
arch=$(uname -m)
case $arch in
x86_64)
ARCH="amd64"
;;
aarch64)
ARCH="arm64"
;;
*)
log "ERROR" "Unsupported architecture: $arch"
exit 1
;;
esac
}

setup_package_manager() {
case $OS_NAME in
ubuntu|debian)
PKG_MGR="apt"
PKG_FORMAT="deb"
INSTALL_CMD="sudo dpkg -i"
DEP_CMD="sudo apt-get install -f -y"
;;
rhel|centos|fedora)
PKG_MGR="dnf"
PKG_FORMAT="rpm"
INSTALL_CMD="sudo rpm -i"
DEP_CMD="sudo dnf install -y"
;;
*)
log "ERROR" "Unsupported distribution: $OS_NAME"
exit 1
;;
esac
}

get_download_url() {
local ps_version_url
local pattern

case $OS_NAME in
ubuntu|debian)
pattern="powershell_.*${ARCH}.deb$"
;;
rhel|centos|fedora)
pattern="powershell-.*${ARCH}.rpm$"
;;
esac

ps_version_url=$(curl -s https://api.github.com/repos/PowerShell/PowerShell/releases |
jq -r --arg pattern "$pattern" '
[.[] | select(.prerelease == false)] |
sort_by(.published_at) |
reverse |
.[0].assets[] |
select(.name | test($pattern)) |
.browser_download_url' |
head -n 1)

if [ -z "$ps_version_url" ] || [[ "$ps_version_url" == *"hashes.sha256"* ]]; then
log "ERROR" "Failed to find PowerShell package for $OS_NAME ($ARCH)"
log "DEBUG" "Pattern used: $pattern"
exit 1
fi

echo "$ps_version_url"
}

# Main installation logic
main() {
log "INFO" "Starting PowerShell installation"

# Detect system information
log "INFO" "Detecting system information"
get_os_info
get_architecture
setup_package_manager

log "INFO" "Detected: $OS_PRETTY_NAME ($ARCH)"

# Check for sudo privileges
if ! sudo -v; then
log "ERROR" "This script requires sudo privileges"
exit 1
fi

# Update and install dependencies
log "INFO" "Installing prerequisites"
case $PKG_MGR in
apt)
sudo apt-get update
sudo apt-get install -y curl jq wget
;;
dnf)
sudo dnf check-update
sudo dnf install -y curl jq wget
;;
esac

# Check existing installation
if command -v pwsh &>/dev/null; then
log "INFO" "PowerShell is already installed:"
pwsh --version
read -p "Continue with new installation? (y/n) " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
log "INFO" "Installation cancelled by user"
exit 0
fi
fi

# Get appropriate download URL
PS_VERSION_URL=$(get_download_url)
if [[ "$PS_VERSION_URL" == "" ]]; then
log "ERROR" "Could not determine download URL"
exit 1
fi

VERSION=$(echo "$PS_VERSION_URL" | grep -Po '(?<=v)[0-9]+\.[0-9]+\.[0-9]+' || echo "unknown")

# Display version information
log "INFO" "Found PowerShell version: $VERSION"
printf "\n%-50s %-15s\n" "URL" "VERSION"
printf "%-50s %-15s\n" "$PS_VERSION_URL" "$VERSION"

# Confirm installation
read -p "Continue with this version? (y/n) " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
log "INFO" "Installation cancelled by user"
exit 0
fi

# Download and install
local temp_pkg="${TEMP_DIR}/powershell_${VERSION}_${ARCH}.${PKG_FORMAT}"
log "INFO" "Downloading PowerShell package"
```

## Community supported distributions

PowerShell can be installed on many distributions of Linux that aren't supported by Microsoft. In
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