feat(cli): install tht as a system command

2026-08-15 22:05:42 +02:00
parent aa8a2e9278
commit 5e13396669
5 changed files with 385 additions and 0 deletions
@@ -0,0 +1,104 @@
+[CmdletBinding()]
+param()
+
+Set-StrictMode -Version Latest
+$ErrorActionPreference = 'Stop'
+
+function Get-Sha256([string]$Path) {
+    return (Get-FileHash -Algorithm SHA256 -LiteralPath $Path).Hash.ToLowerInvariant()
+}
+
+function Get-UserPathValue {
+    if ($env:THT_USER_PATH_FILE) {
+        if (Test-Path -LiteralPath $env:THT_USER_PATH_FILE) {
+            return [System.IO.File]::ReadAllText($env:THT_USER_PATH_FILE)
+        }
+        return ''
+    }
+    return [Environment]::GetEnvironmentVariable('Path', 'User')
+}
+
+function Set-UserPathValue([string]$Value) {
+    if ($env:THT_USER_PATH_FILE) {
+        [System.IO.File]::WriteAllText($env:THT_USER_PATH_FILE, $Value)
+        return
+    }
+    [Environment]::SetEnvironmentVariable('Path', $Value, 'User')
+}
+
+function Add-InstallDirectoryToUserPath([string]$InstallDirectory) {
+    $currentPath = Get-UserPathValue
+    $entries = @($currentPath -split ';' | Where-Object { $_ -ne '' })
+    if ($entries | Where-Object { $_.TrimEnd('\\') -ieq $InstallDirectory.TrimEnd('\\') }) {
+        return $false
+    }
+    $newPath = (@($entries) + $InstallDirectory) -join ';'
+    Set-UserPathValue $newPath
+    return $true
+}
+
+$repositoryRoot = Split-Path -Parent $PSScriptRoot
+$buildOutput = $null
+$sourceArtifactForInstall = $null
+$installDirectory = if ($env:THT_INSTALL_DIRECTORY) {
+    $env:THT_INSTALL_DIRECTORY
+} else {
+    Join-Path $env:LOCALAPPDATA 'ThothII\bin'
+}
+$installDirectory = [System.IO.Path]::GetFullPath($installDirectory)
+
+if ($env:THT_BUILD_ARTIFACT) {
+    $sourceArtifact = $env:THT_BUILD_ARTIFACT
+    if (-not (Test-Path -LiteralPath $sourceArtifact -PathType Leaf)) {
+        throw 'THT_BUILD_ARTIFACT is not a regular file'
+    }
+    if (-not $env:THT_BUILD_ARTIFACT_SHA256 -or $env:THT_BUILD_ARTIFACT_SHA256 -notmatch '^[0-9A-Fa-f]{64}$') {
+        throw 'THT_BUILD_ARTIFACT_SHA256 must be a 64-character SHA-256 digest'
+    }
+    if ((Get-Sha256 $sourceArtifact) -ne $env:THT_BUILD_ARTIFACT_SHA256.ToLowerInvariant()) {
+        throw 'packaged tht artifact checksum does not match'
+    }
+    $sourceArtifactForInstall = $sourceArtifact
+} else {
+    if ($env:PROCESSOR_ARCHITECTURE -notin @('AMD64', 'x86_64')) {
+        throw "unsupported Windows processor architecture: $env:PROCESSOR_ARCHITECTURE (supported: AMD64)"
+    }
+    $buildOutput = Join-Path ([System.IO.Path]::GetTempPath()) ("tht-build-" + [guid]::NewGuid())
+    New-Item -ItemType Directory -Path $buildOutput -Force | Out-Null
+    $previousOutput = $env:THT_THT_OUTPUT_DIRECTORY
+    $env:THT_THT_OUTPUT_DIRECTORY = $buildOutput
+    try {
+        & bash (Join-Path $repositoryRoot 'scripts/build-tht.sh') --all
+        if ($LASTEXITCODE -ne 0) { throw 'the repository-pinned Docker build failed' }
+    } finally {
+        $env:THT_THT_OUTPUT_DIRECTORY = $previousOutput
+    }
+    $sourceArtifactForInstall = Join-Path $buildOutput 'tht-windows-amd64.exe'
+    if (-not (Test-Path -LiteralPath $sourceArtifactForInstall -PathType Leaf)) {
+        throw 'the repository-pinned Docker build did not produce tht-windows-amd64.exe'
+    }
+}
+
+if ((Get-Item -LiteralPath $sourceArtifactForInstall).Length -eq 0) { throw 'native artifact is empty' }
+New-Item -ItemType Directory -Path $installDirectory -Force | Out-Null
+$stagedBinary = Join-Path $installDirectory ('.tht-' + [guid]::NewGuid() + '.exe')
+try {
+    Copy-Item -LiteralPath $sourceArtifactForInstall -Destination $stagedBinary -Force
+    & $stagedBinary --help | Out-Null
+    if ($LASTEXITCODE -ne 0) { throw 'native artifact did not pass its help check' }
+    Move-Item -LiteralPath $stagedBinary -Destination (Join-Path $installDirectory 'tht.exe') -Force
+} finally {
+    Remove-Item -LiteralPath $stagedBinary -Force -ErrorAction SilentlyContinue
+    if ($buildOutput) { Remove-Item -LiteralPath $buildOutput -Recurse -Force -ErrorAction SilentlyContinue }
+}
+
+$pathChanged = Add-InstallDirectoryToUserPath $installDirectory
+if ($env:Path -notlike "*$installDirectory*") {
+    $env:Path = "$installDirectory;$env:Path"
+}
+& (Join-Path $installDirectory 'tht.exe') --help | Out-Null
+if ($LASTEXITCODE -ne 0) { throw 'installed tht did not pass its help check' }
+Write-Output "Installed tht at $(Join-Path $installDirectory 'tht.exe')"
+if ($pathChanged) {
+    Write-Output 'Added ThothII to your user PATH. Open a new terminal before using tht there.'
+}