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pwsh_helper.ps1
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pwsh_helper.ps1
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Write-Host "β
Helper script invoked successfully" -ForegroundColor Green
# Tasks to be executed in the background.
function BackgroundTasks {
Update-PowerShell
# Update the local cache of files
CheckScriptFilesForUpdates
Write-Host "π Updated the local cache of files." -ForegroundColor Green
}
# Function for downloading a file
function DownloadFile($filename) {
$primaryUrl = "$githubBaseURL/$filename"
$fallbackUrl = "https://raw.githubusercontent.com/JanDeDobbeleer/oh-my-posh/main/themes/$filename"
try {
# Attempt to download from the primary URL
Invoke-WebRequest -Uri $primaryUrl -OutFile "$baseDir\$filename" -ErrorAction Stop
} catch {
Write-Host "β Failed to download $filename from $primaryUrl. Trying fallback URL..." -ForegroundColor Yellow
try {
# Attempt to download from the fallback URL if the primary URL fails
Invoke-WebRequest -Uri $fallbackUrl -OutFile "$baseDir\$filename" -ErrorAction Stop
} catch {
Write-Error "β Failed to download $filename from both primary and fallback URLs: $_"
}
}
}
# Function for checking and updating script files
function CheckAndUpdateFile($filename) {
$localFileContent = Get-Content "$baseDir\$filename" -Raw
$url = "$githubBaseURL/$filename"
$remoteFileContent = Invoke-WebRequest -Uri $url | Select-Object -ExpandProperty Content
if ($localFileContent -ne $remoteFileContent) {
DownloadFile "$filename"
}
}
function CheckScriptFilesForUpdates {
foreach ($file in $files) {
if (Test-Path "$baseDir\$file") {
CheckAndUpdateFile $file
} else {
DownloadFile $file
}
}
}
Function Test-CommandExists {
Param ($command)
$oldPreference = $ErrorActionPreference
$ErrorActionPreference = 'SilentlyContinue'
try { if (Get-Command $command) { RETURN $true } }
Catch { Write-Host "$command does not exist"; RETURN $false }
Finally { $ErrorActionPreference = $oldPreference }
}
function Install-NerdFont {
$zipPath = "$env:TEMP\$font_folder.zip"
$extractPath = "$env:TEMP\$font_folder"
$shell = New-Object -ComObject Shell.Application
$fonts = $shell.Namespace(0x14)
try {
# Download the Nerd Font zip file
Write-Host "Downloading $font Nerd Font..." -ForegroundColor Green
Invoke-WebRequest -Uri $font_url -OutFile $zipPath
# Create the directory to extract the files
if (-Not (Test-Path -Path $extractPath)) {
New-Item -ItemType Directory -Path $extractPath | Out-Null
}
# Extract the zip file
Expand-Archive -Path $zipPath -DestinationPath $extractPath -Force
# Find the specific font file
$fontFile = Get-ChildItem -Path $extractPath -Filter $fontFileName | Select-Object -First 1
if (-not $fontFile) {
throw "β Font file '$fontFileName' not found in the extracted files."
}
# Copy the font file to the Windows Fonts directory
Write-Host "Installing $font Nerd Font..." -ForegroundColor Green
$fonts.CopyHere($fontFile.FullName, 0x10)
Write-Host "$font Nerd Font installed successfully!" -ForegroundColor Green
Write-Host "π Make sure to set the font as default in your terminal settings." -ForegroundColor Blue
} catch {
Write-Host "β An error occurred: $_" -ForegroundColor Red
} finally {
# Clean up
Write-Host "Cleaning up temporary files..." -ForegroundColor Green
Remove-Item -Path $zipPath -Force
Remove-Item -Path $extractPath -Recurse -Force
}
}
function Test-ohmyposh {
if (Test-CommandExists oh-my-posh) {
Set-ConfigValue -Key "ohmyposh_installed" -Value "True"
} else {
Write-Host "β OhMyPosh is not installed." -ForegroundColor Red
$installOhMyPosh = Read-Host "Do you want to install Oh-My-Posh? (Y/N)"
if ($installOhMyPosh -eq 'Y' -or $installOhMyPosh -eq 'y') {
winget install JanDeDobbeleer.OhMyPosh --accept-package-agreements --accept-source-agreements
} else {
Write-Host "β Oh-My-Posh installation skipped." -ForegroundColor Yellow
}
}
}
function Test-$font {
$nerdfonts = Get-Font *$font*
if ($nerdfonts) {
Set-ConfigValue -Key "${font}_installed" -Value "True"
} else {
Write-Host "β No Nerd-Fonts are installed." -ForegroundColor Red
$installNerdFonts = Read-Host "Do you want to install $font NerdFont? (Y/N)"
if ($installNerdFonts -eq 'Y' -or $installNerdFonts -eq 'y') {
Install-NerdFont
} else {
Write-Host "β NerdFonts installation skipped." -ForegroundColor Yellow
Set-ConfigValue -Key "$font_installed" -Value "False"
}
}
}
function Update-PowerShell {
if (-not $global:canConnectToGitHub) {
Write-Host "β Skipping PowerShell update or installation check due to github.com not responding within 1 second." -ForegroundColor Yellow
return
}
try {
$isInstalled = $null -ne (Get-Command pwsh -ErrorAction SilentlyContinue)
$updateNeeded = $false
if ($isInstalled) {
$currentVersion = $PSVersionTable.PSVersion.ToString()
} else {
$currentVersion = "0.0"
}
$gitHubApiUrl = "https://api.github.com/repos/PowerShell/PowerShell/releases/latest"
$latestReleaseInfo = Invoke-RestMethod -Uri $gitHubApiUrl
$latestVersion = $latestReleaseInfo.tag_name.Trim('v')
if ($currentVersion -lt $latestVersion) {
$updateNeeded = $true
}
if ($updateNeeded -and $isInstalled) {
Write-Host "Updating PowerShell..." -ForegroundColor Yellow
winget upgrade "Microsoft.PowerShell" --accept-source-agreements --accept-package-agreements
} elseif ($updateNeeded -and -not $isInstalled) {
Write-Host "Installing PowerShell..." -ForegroundColor Yellow
winget install "Microsoft.PowerShell" --accept-source-agreements --accept-package-agreements
} else {
Write-Host "β
PowerShell is up to date." -ForegroundColor Green
}
} catch {
Write-Error "β Failed to update or install PowerShell. Error: $_"
}
}
# Function to show a GUI Message Box
# Source: https://stackoverflow.com/questions/58718191/is-there-a-way-to-display-a-pop-up-message-box-in-powershell-that-is-compatible
function Show-MessageBox {
[CmdletBinding(PositionalBinding=$false)]
param(
[Parameter(Mandatory, Position=0)]
[string] $Message,
[Parameter(Position=1)]
[string] $Title,
[Parameter(Position=2)]
[ValidateSet('OK', 'OKCancel', 'AbortRetryIgnore', 'YesNoCancel', 'YesNo', 'RetryCancel')]
[string] $Buttons = 'OK',
[ValidateSet('Information', 'Warning', 'Stop')]
[string] $Icon = 'Information',
[ValidateSet(0, 1, 2)]
[int] $DefaultButtonIndex
)
$buttonMap = @{
'OK' = @{ buttonList = 'OK'; defaultButtonIndex = 0 }
'OKCancel' = @{ buttonList = 'OK', 'Cancel'; defaultButtonIndex = 0; cancelButtonIndex = 1 }
'AbortRetryIgnore' = @{ buttonList = 'Abort', 'Retry', 'Ignore'; defaultButtonIndex = 2; cancelButtonIndex = 0 }
'YesNoCancel' = @{ buttonList = 'Yes', 'No', 'Cancel'; defaultButtonIndex = 2; cancelButtonIndex = 2 }
'YesNo' = @{ buttonList = 'Yes', 'No'; defaultButtonIndex = 0; cancelButtonIndex = 1 }
'RetryCancel' = @{ buttonList = 'Retry', 'Cancel'; defaultButtonIndex = 0; cancelButtonIndex = 1 }
}
$numButtons = $buttonMap[$Buttons].buttonList.Count
$defaultIndex = [math]::Min($numButtons - 1, ($buttonMap[$Buttons].defaultButtonIndex, $DefaultButtonIndex)[$PSBoundParameters.ContainsKey('DefaultButtonIndex')])
$cancelIndex = $buttonMap[$Buttons].cancelButtonIndex
Add-Type -AssemblyName System.Windows.Forms
# Create a hidden form and set it as TopMost
$form = New-Object System.Windows.Forms.Form
$form.TopMost = $true
$form.ShowInTaskbar = $false
$form.WindowState = 'Minimized'
$form.Show()
$form.Hide()
# Show the message box with the hidden form as the owner
$result = [System.Windows.Forms.MessageBox]::Show($form, $Message, $Title, $Buttons, $Icon, $defaultIndex * 256).ToString()
# Close the hidden form
$form.Close()
$form.Dispose()
# Output the result
return $result
}