Poshify.psm1
|
<# .SYNOPSIS A PowerShell module for managing Oh My Posh themes .DESCRIPTION This module provides functions to browse, download, install, and switch between Oh My Posh themes with an easy-to-use interface. #> # Module variables $script:OhMyPoshConfigPath = Join-Path $HOME ".posh-themes" $script:OhMyPoshThemesUrl = "https://raw.githubusercontent.com/JanDeDobbeleer/oh-my-posh/main/themes" <# .SYNOPSIS Gets available Oh My Posh themes from the official repository .DESCRIPTION Downloads and displays a list of available Oh My Posh themes from the official GitHub repository .EXAMPLE Get-PoshTheme Lists all available themes .EXAMPLE Get-PoshTheme -Filter "*power*" Lists themes containing "power" in their name #> function Get-PoshTheme { [CmdletBinding()] param( [Parameter(Position = 0)] [string]$Filter = "*" ) try { Write-Host "Fetching available Oh My Posh themes..." -ForegroundColor Cyan # Create themes directory if it doesn't exist if (-not (Test-Path $script:OhMyPoshConfigPath)) { New-Item -ItemType Directory -Path $script:OhMyPoshConfigPath -Force | Out-Null } # Get theme list from GitHub API $themesApiUrl = "https://api.github.com/repos/JanDeDobbeleer/oh-my-posh/contents/themes" $response = Invoke-RestMethod -Uri $themesApiUrl -Method Get # Filter theme files $themes = $response | Where-Object { $_.name -like "*.omp.json" -and $_.name -like $Filter } | Select-Object @{Name="ThemeName";Expression={$_.name -replace '\.omp\.json$', ''}}, @{Name="DownloadUrl";Expression={$_.download_url}}, @{Name="Size";Expression={[math]::Round($_.size / 1KB, 2)}} if ($themes.Count -eq 0) { Write-Host "No themes found matching filter: $Filter" -ForegroundColor Yellow return } Write-Host "`nAvailable themes:" -ForegroundColor Green Write-Host ("=" * 50) -ForegroundColor Gray $index = 1 foreach ($theme in $themes) { Write-Host "[$index] $($theme.ThemeName) ($($theme.Size) KB)" -ForegroundColor White $index++ } return $themes } catch { Write-Error "Failed to fetch themes: $($_.Exception.Message)" return $null } } <# .SYNOPSIS Downloads and installs an Oh My Posh theme .DESCRIPTION Downloads a specific Oh My Posh theme from the official repository and saves it locally .PARAMETER ThemeName The name of the theme to install .PARAMETER Force Overwrite the theme if it already exists .EXAMPLE Install-PoshTheme -ThemeName "powerlevel10k_rainbow" Downloads and installs the powerlevel10k_rainbow theme #> function Install-PoshTheme { [CmdletBinding()] param( [Parameter(Mandatory = $true, Position = 0)] [string]$ThemeName, [Parameter()] [switch]$Force ) try { $themeUrl = "$script:OhMyPoshThemesUrl/$ThemeName.omp.json" $localPath = Join-Path $script:OhMyPoshConfigPath "$ThemeName.omp.json" # Check if theme already exists if ((Test-Path $localPath) -and -not $Force) { Write-Host "Theme '$ThemeName' already exists. Use -Force to overwrite." -ForegroundColor Yellow return } Write-Host "Downloading theme '$ThemeName'..." -ForegroundColor Cyan # Create directory if it doesn't exist if (-not (Test-Path $script:OhMyPoshConfigPath)) { New-Item -ItemType Directory -Path $script:OhMyPoshConfigPath -Force | Out-Null } # Download theme Invoke-WebRequest -Uri $themeUrl -OutFile $localPath -UseBasicParsing Write-Host "Theme '$ThemeName' installed successfully!" -ForegroundColor Green Write-Host "Location: $localPath" -ForegroundColor Gray } catch { Write-Error "Failed to install theme '$ThemeName': $($_.Exception.Message)" } } <# .SYNOPSIS Sets the current Oh My Posh theme .DESCRIPTION Applies the specified Oh My Posh theme to the current PowerShell session .PARAMETER ThemeName The name of the theme to apply .PARAMETER Permanent Make the theme permanent by updating the PowerShell profile .EXAMPLE Set-PoshTheme -ThemeName "powerlevel10k_rainbow" Applies the theme for the current session only .EXAMPLE Set-PoshTheme -ThemeName "powerlevel10k_rainbow" -Permanent Applies the theme and makes it permanent #> function Set-PoshTheme { [CmdletBinding()] param( [Parameter(Mandatory = $true, Position = 0)] [string]$ThemeName, [Parameter()] [switch]$Permanent ) try { # Check if oh-my-posh is installed if (-not (Get-Command oh-my-posh -ErrorAction SilentlyContinue)) { Write-Error "Oh My Posh is not installed. Please install it first: https://ohmyposh.dev/docs/installation" return } $themePath = Join-Path $script:OhMyPoshConfigPath "$ThemeName.omp.json" # Check if theme exists locally if (-not (Test-Path $themePath)) { Write-Host "Theme '$ThemeName' not found locally. Attempting to download..." -ForegroundColor Yellow Install-PoshTheme -ThemeName $ThemeName } # Apply theme oh-my-posh init pwsh --config $themePath | Invoke-Expression Write-Host "Theme '$ThemeName' applied successfully!" -ForegroundColor Green # Make permanent if requested if ($Permanent) { $profilePath = $PROFILE.CurrentUserAllHosts $poshInit = "oh-my-posh init pwsh --config '$themePath' | Invoke-Expression" # Create profile if it doesn't exist if (-not (Test-Path $profilePath)) { New-Item -ItemType File -Path $profilePath -Force | Out-Null } # Remove existing oh-my-posh initialization $profileContent = Get-Content $profilePath -ErrorAction SilentlyContinue $profileContent = $profileContent | Where-Object { $_ -notmatch "oh-my-posh init" } # Add new initialization $profileContent += "`n# Oh My Posh Theme: $ThemeName" $profileContent += $poshInit Set-Content -Path $profilePath -Value $profileContent Write-Host "Theme set as permanent in profile: $profilePath" -ForegroundColor Green } } catch { Write-Error "Failed to set theme '$ThemeName': $($_.Exception.Message)" } } <# .SYNOPSIS Uninstalls a locally installed Oh My Posh theme .DESCRIPTION Removes a downloaded Oh My Posh theme from the local storage .PARAMETER ThemeName The name of the theme to uninstall .EXAMPLE Uninstall-PoshTheme -ThemeName "powerlevel10k_rainbow" Removes the specified theme from local storage #> function Uninstall-PoshTheme { [CmdletBinding()] param( [Parameter(Mandatory = $true, Position = 0)] [string]$ThemeName ) try { $themePath = Join-Path $script:OhMyPoshConfigPath "$ThemeName.omp.json" if (-not (Test-Path $themePath)) { Write-Host "Theme '$ThemeName' is not installed locally." -ForegroundColor Yellow return } Remove-Item -Path $themePath -Force Write-Host "Theme '$ThemeName' uninstalled successfully!" -ForegroundColor Green } catch { Write-Error "Failed to uninstall theme '$ThemeName': $($_.Exception.Message)" } } <# .SYNOPSIS Shows a preview of an Oh My Posh theme .DESCRIPTION Displays a preview of the specified theme by applying it temporarily .PARAMETER ThemeName The name of the theme to preview .EXAMPLE Show-PoshThemePreview -ThemeName "powerlevel10k_rainbow" Shows a preview of the specified theme #> function Show-PoshThemePreview { [CmdletBinding()] param( [Parameter(Mandatory = $true, Position = 0)] [string]$ThemeName ) try { Write-Host "Previewing theme '$ThemeName'..." -ForegroundColor Cyan Write-Host "Press any key to return to your previous theme..." -ForegroundColor Yellow # Store current theme $currentTheme = $env:POSH_THEME # Apply preview theme Set-PoshTheme -ThemeName $ThemeName # Wait for user input $null = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown") # Restore previous theme if available if ($currentTheme) { oh-my-posh init pwsh --config $currentTheme | Invoke-Expression Write-Host "`nReturned to previous theme." -ForegroundColor Green } } catch { Write-Error "Failed to preview theme '$ThemeName': $($_.Exception.Message)" } } # Export module functions Export-ModuleMember -Function @( 'Get-PoshTheme', 'Install-PoshTheme', 'Set-PoshTheme', 'Uninstall-PoshTheme', 'Show-PoshThemePreview' ) |