run_once_install-powershell.sh.tmpl

{{ if eq .chezmoi.os "darwin" -}}
#!/bin/bash

# =============================================================================
# PowerShell Installation for macOS
# 
# Managed by chezmoi - Runs once per machine
#
# Purpose:
#   Installs PowerShell on macOS using Homebrew and sets up the necessary
#   directory structure for PowerShell configuration.
#
# Requirements:
#   - Homebrew
#
# Usage:
#   This script runs automatically when chezmoi applies changes.
#
#   Manual execution:
#   ./run_once_install-powershell.sh
# =============================================================================

# --- Functions --------------------------------------------------------------
log() { echo "$(date '+%Y-%m-%d %H:%M:%S') - $1"; }
error() { log "ERROR: $1" >&2; }
warn() { log "WARNING: $1" >&2; }
info() { log "INFO: $1"; }
success() { log "SUCCESS: $1"; }

# Command execution with error handling
execute() {
  local cmd="$1"
  local msg="$2"
  local quiet="${3:-false}"
  
  if [ "$quiet" = "true" ]; then
    eval "$cmd" >/dev/null 2>&1
  else
    eval "$cmd" 2>/dev/null
  fi
  
  local result=$?
  if [ $result -eq 0 ]; then
    [ -n "$msg" ] && success "$msg"
    return 0
  else
    [ -n "$msg" ] && warn "Failed: $msg"
    return 1
  fi
}

# --- Check if PowerShell is already installed -------------------------------
if command -v pwsh >/dev/null 2>&1; then
  info "PowerShell is already installed."
  pwsh_version=$(pwsh -Version | head -n 1)
  info "Current version: $pwsh_version"
else
  info "PowerShell is not installed. Installing via Homebrew..."
  
  # Check if Homebrew is installed
  if ! command -v brew >/dev/null 2>&1; then
    error "Homebrew is not installed. Please install Homebrew first."
    exit 1
  fi
  
  # Install PowerShell
  execute "brew install --cask powershell" "Installing PowerShell"
  
  if ! command -v pwsh >/dev/null 2>&1; then
    error "PowerShell installation failed."
    exit 1
  fi
  
  pwsh_version=$(pwsh -Version | head -n 1)
  success "PowerShell installed successfully. Version: $pwsh_version"
fi

# --- Create PowerShell configuration directories ---------------------------
info "Setting up PowerShell configuration directories..."

# Create the PowerShell configuration directory
execute "mkdir -p ~/.config/powershell" "Created PowerShell configuration directory"

# --- Final message ---------------------------------------------------------
info "PowerShell installation and setup complete."
info "PowerShell profile will be managed by chezmoi at: ~/.config/powershell/Microsoft.PowerShell_profile.ps1"
info "PowerShell modules will be installed when you run: chezmoi apply"

{{ end -}}