Serata dotfiles: demo frankenscript
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# Param must be the first statement in your script
param(
[Parameter(Position = 0, Mandatory = $true)]
[String]$DestUserDomain=$env:USERDOMAIN
,
[Parameter(Position = 1, Mandatory = $true)]
[String]$DestUserName=$env:USERNAME
,
[Parameter(Position = 2, Mandatory = $true)]
[String]$DestHome=$HOME
)
$OS = "windows"
$GIT_USER_CONFIG_FILE = "$DestHome\.gitconfig_user"
$scriptRoot = Split-Path -Path $MyInvocation.MyCommand.Path
#$DOTFILES = Get-Location
$DOTFILES = $scriptRoot
Function Set-DvcsUser {
if (Test-Path $GIT_USER_CONFIG_FILE) {
Write-Host "-> GIT user config file $GIT_USER_CONFIG_FILE already exists. Skipping..."
}
else {
if (!(Test-Path $GIT_USER_CONFIG_FILE)) {
Write-Host "-> Asking Username & Email for GIT user config file ${GIT_USER_CONFIG_FILE}:"
}
$userName = Read-Host "Name"
$userEmail = Read-Host "Email"
if (!(Test-Path $GIT_USER_CONFIG_FILE)) {
Write-Host "-> Creating ${GIT_USER_CONFIG_FILE}:"
@"
[user]
name = $userName
email = $userEmail
"@ | Set-Content $GIT_USER_CONFIG_FILE
$answer = Read-Host "`nDo you want to add an organization-specific email? [y/N]"
if ($answer -match '^[yY]$') {
$orgName = Read-Host "Organization"
$orgUserEmail = Read-Host "Organization Email"
@"
[orgs "$orgName"]
email = $orgUserEmail
"@ | Add-Content $GIT_USER_CONFIG_FILE
}
Write-Host "`n$GIT_USER_CONFIG_FILE created!"
}
}
}
Function Install-Registry {
$registryFiles = Get-ChildItem $DOTFILES\*\* | Where-Object {$_.Name -match "\.($OS-)?registry$"}
$sid = Get-SidFromUser -DomainName $DestUserDomain -UserName $DestUserName
$hkcu = "HKCU:"
foreach ($file in $registryFiles) {
$fileContent = Get-Content -LiteralPath $file | Out-String
$jsonRegistry = ConvertFrom-Json -InputObject $fileContent
foreach ($registryEntry in $jsonRegistry.RegistryEntries) {
# Se in json ho un path che deve lavorare su HKCU non posso
# usare direttamente HKCU perche' prenderebbe quello impersonato
# (l'utente administrator).
# Devo quindi sostituirlo con HKU riferito al sid dell'utente
# che ha effettivamente lanciato lo script tramite il batch di avvio
if ($registryEntry.Path.StartsWith($hkcu)) {
$newString = "HKU:\$sid"
$registryPath = $registryEntry.Path -replace $hkcu, $newString
} else {
$registryPath = $registryEntry.Path
}
# Verifico che il percorso nel registro esista, altrimenti lo creo
if (-not (Test-Path -LiteralPath $registryPath)) {
New-Item -Path $registryPath -Force
}
# Verifico l'esistenza della chiave
if (Test-RegistryValue -Path $registryPath -Name $registryEntry.Key.Name) {
# La chiave esiste. La elimino
Remove-ItemProperty -LiteralPath $registryPath -Name $registryEntry.Key.Name
}
# Nel file Json sono ammessi i seguenti Type:
# String. Specifies a null-terminated string. Equivalent to REG_SZ.
# ExpandString. Specifies a null-terminated string that contains unexpanded references to environment variables that are expanded when the value is retrieved. Equivalent to REG_EXPAND_SZ.
# Binary. Specifies binary data in any form. Equivalent to REG_BINARY.
# DWord. Specifies a 32-bit binary number. Equivalent to REG_DWORD.
# MultiString. Specifies an array of null-terminated strings terminated by two null characters. Equivalent to REG_MULTI_SZ.
# Qword. Specifies a 64-bit binary number. Equivalent to REG_QWORD.
# Unknown. Indicates an unsupported registry data type, such as REG_RESOURCE_LIST.
New-ItemProperty -LiteralPath $registryPath -Name $registryEntry.Key.Name -PropertyType $registryEntry.Key.Type -Value $registryEntry.Key.Value
}
}
}
Function Install-Symlinks {
$filesToSymlink = Get-ChildItem $DOTFILES\*\* | Where-Object {$_.Name -match "\.($OS-)?symlink$"}
foreach ($file in $filesToSymlink) {
$name = Get-Basename $file.Name
$symlink = "$DestHome\$name"
$target = $file.FullName
New-Symlink "$symlink" "$target"
}
}
Function Install-ConfigurableSymlinks {
$symlinkConfigFiles = Get-ChildItem $DOTFILES\*\* | Where-Object {$_.Name -match "\.symlinks$"}
foreach ($configFile in $symlinkConfigFiles) {
$config = Get-Content $configFile.FullName
$matches = $null
$configuredName = $config | ForEach-Object {$null = $_ -match "^$OS" + ':\s+(?<link>.+)$'; $matches.link} | Select-Object -f 1
if ($configuredName) {
$symlink = "$DestHome\$configuredName"
$target = Get-Basename $configFile.FullName
New-Symlink "$symlink" "$target"
}
}
}
Function Get-Basename {
Param($string)
return $string.Substring(0, $string.LastIndexOf('.'))
}
Function New-Symlink {
Param($symlink, $target)
if (Test-Path $target -pathType container) {
# Remove-Item cannot be used to remove folder symlinks,
# because it also removes the target folder.
if (Test-Path $symlink) { cmd /c rmdir /s /q $symlink }
(cmd /c mklink /d $symlink $target) > $null
}
else {
if (Test-Path $symlink) { Remove-Item $symlink }
(cmd /c mklink $symlink $target) > $null
}
Write-Host " $symlink -> $target"
}
Function Get-SidFromUser {
param (
[Parameter(Position = 0, Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
[String]$DomainName
,
[Parameter(Position = 1, Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
[String]$UserName
)
process {
$objUser = New-Object System.Security.Principal.NTAccount($DomainName, $UserName)
$strSID = $objUser.Translate([System.Security.Principal.SecurityIdentifier])
$strSID.Value
}
}
Function Test-RegistryValue {
param(
[Alias("PSPath")]
[Parameter(Position = 0, Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
[String]$Path
,
[Parameter(Position = 1, Mandatory = $true)]
[String]$Name
,
[Switch]$PassThru
)
process {
if (Test-Path $Path) {
$Key = Get-Item -LiteralPath $Path
if ($Key.GetValue($Name, $null) -ne $null) {
if ($PassThru) {
Get-ItemProperty $Path $Name
} else {
$true
}
} else {
$false
}
} else {
$false
}
}
}
New-PSDrive -PSProvider Registry -Name HKU -Root HKEY_USERS
Write-Host "-> Dotfiles directory = $DOTFILES"
Set-DvcsUser
Write-Host "-> Creating registry data..."
Install-Registry
Write-Host "-> Creating symbolic links..."
Install-Symlinks
Install-ConfigurableSymlinks
Write-Host "-> Done!"
Write-Host -NoNewLine "Press any key to continue..."
$null = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")