feat: add guarded GitHub Pages deployment

2026-08-31 12:42:59 +09:00
parent 89169c5c0d
commit 944da34c45
10 changed files with 268 additions and 1 deletions
@@ -0,0 +1,66 @@
+param(
+  [string]$Repository = 'https://github.com/DD4SN/DD4SN.github.io.git'
+)
+
+$ErrorActionPreference = 'Stop'
+
+$projectRoot = Split-Path -Parent $PSScriptRoot
+$siteSource = Join-Path $projectRoot 'pages-dist'
+$workflowSource = Join-Path $projectRoot 'pages/deploy.yml'
+$temporaryRoot = Join-Path ([System.IO.Path]::GetTempPath()) ("holodori-pages-{0}" -f [guid]::NewGuid().ToString('N'))
+$checkout = Join-Path $temporaryRoot 'repository'
+
+try {
+  & npm --prefix $projectRoot run build:pages
+  if ($LASTEXITCODE -ne 0) { throw 'Pages build failed.' }
+
+  New-Item -ItemType Directory -Path $temporaryRoot | Out-Null
+  & git clone $Repository $checkout
+  if ($LASTEXITCODE -ne 0) { throw 'Pages repository clone failed.' }
+
+  $resolvedCheckout = (Resolve-Path -LiteralPath $checkout).Path
+  $resolvedTemporaryRoot = (Resolve-Path -LiteralPath $temporaryRoot).Path
+  if (-not $resolvedCheckout.StartsWith($resolvedTemporaryRoot, [System.StringComparison]::OrdinalIgnoreCase)) {
+    throw 'Refusing to update a checkout outside the temporary deployment directory.'
+  }
+
+  $siteTarget = Join-Path $resolvedCheckout 'site'
+  if (Test-Path -LiteralPath $siteTarget) {
+    Remove-Item -LiteralPath $siteTarget -Recurse -Force
+  }
+  New-Item -ItemType Directory -Path $siteTarget | Out-Null
+  Copy-Item -Path (Join-Path $siteSource '*') -Destination $siteTarget -Recurse -Force
+  New-Item -ItemType File -Path (Join-Path $siteTarget '.nojekyll') -Force | Out-Null
+
+  $workflowTarget = Join-Path $resolvedCheckout '.github/workflows'
+  New-Item -ItemType Directory -Path $workflowTarget -Force | Out-Null
+  Copy-Item -LiteralPath $workflowSource -Destination (Join-Path $workflowTarget 'deploy.yml') -Force
+
+  Push-Location $resolvedCheckout
+  try {
+    & git add --all -- site .github/workflows/deploy.yml
+    if ($LASTEXITCODE -ne 0) { throw 'Failed to stage Pages files.' }
+    & git diff --cached --quiet
+    if ($LASTEXITCODE -eq 0) {
+      Write-Output 'GitHub Pages output is already up to date.'
+      return
+    }
+
+    $package = Get-Content -LiteralPath (Join-Path $projectRoot 'package.json') -Raw | ConvertFrom-Json
+    & git commit -m ("deploy: HolodoriCalc v{0}" -f $package.version)
+    if ($LASTEXITCODE -ne 0) { throw 'Pages commit failed.' }
+    & git push origin HEAD:main
+    if ($LASTEXITCODE -ne 0) { throw 'Pages push failed.' }
+  } finally {
+    Pop-Location
+  }
+} finally {
+  if (Test-Path -LiteralPath $temporaryRoot) {
+    $resolvedTemporaryRoot = (Resolve-Path -LiteralPath $temporaryRoot).Path
+    $systemTemporaryRoot = [System.IO.Path]::GetFullPath([System.IO.Path]::GetTempPath()).TrimEnd('\')
+    if ($resolvedTemporaryRoot.StartsWith($systemTemporaryRoot, [System.StringComparison]::OrdinalIgnoreCase) -and
+        (Split-Path -Leaf $resolvedTemporaryRoot).StartsWith('holodori-pages-')) {
+      Remove-Item -LiteralPath $resolvedTemporaryRoot -Recurse -Force
+    }
+  }
+}