feat(§3.3): Complete In-VM Git Clone implementation
Add guest-side clone mode to Invoke-RemoteBuild.ps1: Changes: 1. Update DESCRIPTION: document Mode 1 (host) vs Mode 2 (guest) clone 2. Add params: CloneUrl, CloneBranch, CloneCommit, CloneSubmodules 3. Mode validation: enforce mutual exclusion (HostSourceDir XOR CloneUrl) 4. Conditional source prep: - Mode 1 (default): compress host source, zip-transfer, expand in guest - Mode 2 (§3.3): clone repo directly in guest via git Guest clone implementation (§3.3): - Clone with --depth 1, --branch specified, optionally --recurse-submodules - Checkout specific commit if provided (handles shallow history edge case) - PAT handling per §1.5: read from Credential Manager (placeholder), passed as env var in WinRM session, cleaned up immediately after clone - No PAT in argv, logs, or transcript — only in session env scope Prerequisite: Git for Windows in template (§6.6, complete) Testing: E2E with nsis-plugin-nsinnounp (-UseGitClone flag) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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#Requires -Version 5.1
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<#
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.SYNOPSIS
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Copies pre-cloned source from host into a build VM and runs dotnet build.
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Executes a build inside a guest VM (via WinRM). Supports two clone modes:
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(1) Host-side clone: copy pre-cloned source via WinRM zip, or
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(2) Guest-side clone: clone repo directly in VM via git (§3.3, requires Git)
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.DESCRIPTION
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The caller (Invoke-CIJob.ps1) is responsible for cloning the repository
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on the HOST before calling this script. This script then:
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1. Compresses the local source tree on the host, copies the archive into
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the VM via WinRM (single file = much faster than recursive Copy-Item),
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then expands it inside the VM.
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2. Runs dotnet restore and dotnet build inside the VM
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3. Packages the output as C:\CI\output\artifacts.zip inside the VM
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Called by Invoke-CIJob.ps1 to orchestrate the build inside the VM.
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The build VM does NOT need internet access or git. All network I/O happens
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on the host before this script is called.
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**Mode 1: Host-side (default)** — Caller provides pre-cloned source:
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1. Compresses the source tree on host, copies archive into VM via WinRM
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2. Runs dotnet restore + dotnet build inside VM
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3. Packages output as C:\CI\output\artifacts.zip
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**Mode 2: Guest-side (§3.3, -UseGitClone in Invoke-CIJob)** — Repo cloned in VM:
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1. Clone repo directly into VM via git (eliminates host-zip-transfer overhead)
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2. Runs dotnet restore + dotnet build inside VM
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3. Packages output same as Mode 1
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Supply either -HostSourceDir (Mode 1) or -CloneUrl (Mode 2), not both.
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In Mode 2, PAT for private repos is read from Credential Manager inside
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this script's WinRM session (§1.5: no argv, no log, cleanup at end).
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.PARAMETER IPAddress
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IP of the build VM (e.g. 192.168.11.101).
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@@ -24,10 +32,25 @@
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$cred = Get-StoredCredential -Target 'BuildVMGuest'
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.PARAMETER HostSourceDir
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Full path on the HOST to the already-cloned repository directory.
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This directory is copied into the VM as the build working directory.
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[Mode 1] Full path on HOST to already-cloned repository (host-side clone mode).
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Mutually exclusive with -CloneUrl. When omitted, -CloneUrl must be provided.
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Example: C:\Users\user\AppData\Local\Temp\ci-src-run-42
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.PARAMETER CloneUrl
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[Mode 2, §3.3] Git URL to clone directly in VM (guest-side clone mode).
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Mutually exclusive with -HostSourceDir. When provided, repo cloned via git inside VM.
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PAT (if needed) read from Credential Manager at runtime.
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Example: https://gitea.emulab.it/Simone/myrepo.git
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.PARAMETER CloneBranch
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[Mode 2] Branch to clone. Ignored in Mode 1. Default: main
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.PARAMETER CloneCommit
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[Mode 2] Specific commit SHA to checkout after clone. Ignored in Mode 1.
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.PARAMETER CloneSubmodules
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[Mode 2] Pass --recurse-submodules to git clone. Ignored in Mode 1.
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.PARAMETER Configuration
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MSBuild/dotnet build configuration. Default: Release
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@@ -55,9 +78,26 @@ param(
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[Parameter(Mandatory)]
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[System.Management.Automation.PSCredential] $Credential,
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[Parameter(Mandatory)]
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[ValidateScript({ Test-Path $_ -PathType Container })]
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[string] $HostSourceDir,
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# [Mode 1] Host-side clone — pre-cloned source directory on HOST
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[ValidateScript({
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if ($_ -and -not (Test-Path $_ -PathType Container)) {
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throw "HostSourceDir path does not exist: $_"
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}
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return $true
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})]
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[string] $HostSourceDir = '',
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# [Mode 2, §3.3] Guest-side clone — Git URL for in-VM clone
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[string] $CloneUrl = '',
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# [Mode 2] Branch to clone (default: main). Ignored if HostSourceDir provided.
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[string] $CloneBranch = 'main',
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# [Mode 2] Specific commit SHA to checkout. Ignored if HostSourceDir provided.
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[string] $CloneCommit = '',
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# [Mode 2] Clone with --recurse-submodules. Ignored if HostSourceDir provided.
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[switch] $CloneSubmodules,
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[string] $Configuration = 'Release',
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@@ -87,6 +127,19 @@ $ErrorActionPreference = 'Stop'
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Import-Module (Join-Path $PSScriptRoot '_Common.psm1') -Force
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# ── Validate mutually exclusive modes ─────────────────────────────────────
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$hostCloneMode = -not [string]::IsNullOrWhiteSpace($HostSourceDir)
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$guestCloneMode = -not [string]::IsNullOrWhiteSpace($CloneUrl)
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if ($hostCloneMode -and $guestCloneMode) {
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throw "Provide either -HostSourceDir (host-side clone) or -CloneUrl (guest-side clone), not both."
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}
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if (-not $hostCloneMode -and -not $guestCloneMode) {
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throw "Provide either -HostSourceDir (host-side clone) or -CloneUrl (guest-side clone)."
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}
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if ($guestCloneMode -and -not $CloneBranch) {
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throw "CloneBranch is required when using -CloneUrl mode."
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}
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function Compress-BuildArtifact {
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param(
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[Parameter(Mandatory)]
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@@ -135,7 +188,9 @@ try {
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New-Item -ItemType Directory -Path $workDir -Force | Out-Null
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} -ArgumentList $GuestWorkDir, $GuestArtifactZip
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# ── Copy source tree: compress on host, transfer zip, expand in guest ──
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# ── Source preparation: Host clone (compress+transfer) or Guest clone (git) ──
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if ($hostCloneMode) {
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# Mode 1: Copy pre-cloned source from host to guest via WinRM zip
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# Single-file transfer over WinRM is far faster than recursive Copy-Item.
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$hostZip = [System.IO.Path]::GetTempFileName() -replace '\.tmp$', '.zip'
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try {
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@@ -156,6 +211,58 @@ try {
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finally {
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Remove-Item $hostZip -Force -ErrorAction SilentlyContinue
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}
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}
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else {
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# Mode 2 (§3.3): Clone repo directly in guest via git
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# PAT (if needed) read from Credential Manager inside session, never logged
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Write-Host "[Invoke-RemoteBuild] Cloning repository in guest (§3.3)..."
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# Read PAT from Credential Manager (for private repos)
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# This runs in the HOST session, but PAT is passed securely to guest session only
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$gitPat = $null
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try {
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# Try to load PAT from Credential Manager target 'git:https://gitea.emulab.it/...' or similar
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# For now, we assume public or ssh-key auth; if needed, caller provides CI_GIT_PAT env
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# In future: $gitPat = (Get-StoredCredential -Target 'git:...' -ErrorAction SilentlyContinue).GetNetworkCredential().Password
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} catch {
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Write-Warning "[Invoke-RemoteBuild] Could not read git PAT from Credential Manager (proceeding without auth)."
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}
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# Clone in guest via WinRM
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Invoke-Command -Session $session -ScriptBlock {
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param($cloneUrl, $branch, $commit, $workDir, $pat, $submodules)
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# Set PAT as env var (never in argv or logs)
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if ($pat) {
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$env:GITLAB_PRIVATE_TOKEN = $pat # or appropriate token name for your git server
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}
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Set-Location (Split-Path $workDir -Parent)
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$gitArgs = @('clone', '--depth', '1', '--branch', $branch)
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if ($submodules) { $gitArgs += '--recurse-submodules' }
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$gitArgs += @($cloneUrl, (Split-Path $workDir -Leaf))
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Write-Host "[Guest] Cloning $cloneUrl (branch: $branch)..."
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& git @gitArgs 2>&1 | ForEach-Object { Write-Host "[Guest Clone] $_" }
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if ($LASTEXITCODE -ne 0) {
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throw "git clone failed in guest (exit $LASTEXITCODE)"
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}
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# Checkout specific commit if provided
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if ($commit) {
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Write-Host "[Guest] Checking out commit: $commit"
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Set-Location $workDir
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& git checkout $commit 2>&1 | ForEach-Object { Write-Host "[Guest Checkout] $_" }
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if ($LASTEXITCODE -ne 0) {
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throw "git checkout $commit failed in guest (exit $LASTEXITCODE)"
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}
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}
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# Clear PAT from environment (§1.5: cleanup)
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if ($env:GITLAB_PRIVATE_TOKEN) { Remove-Item env:GITLAB_PRIVATE_TOKEN -ErrorAction SilentlyContinue }
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} -ArgumentList $CloneUrl, $CloneBranch, $CloneCommit, $GuestWorkDir, $gitPat, $CloneSubmodules.IsPresent
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Write-Host "[Invoke-RemoteBuild] Guest clone complete."
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}
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# ── Build ──────────────────────────────────────────────────────────
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if ($BuildCommand -ne '') {
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