build(deploy): switch hosting to Podman Quadlet

scripts/update-wsl-podman.ps1

@@ -0,0 +1,39 @@
+$ErrorActionPreference = 'Stop'
+
+function ConvertTo-WslPath([string]$Path) {
+  $fullPath = [IO.Path]::GetFullPath($Path)
+  if ($fullPath -notmatch '^([A-Za-z]):\\(.*)$') { throw "Workspace must be on a Windows drive: $fullPath" }
+  $drive = $Matches[1].ToLowerInvariant()
+  $relative = $Matches[2].Replace('\', '/')
+  return "/mnt/$drive/$relative"
+}
+
+$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot '..')).Path
+$repoWsl = ConvertTo-WslPath $repoRoot
+
+$unitPath = (Resolve-Path (Join-Path $PSScriptRoot '..\deploy\webdrop.container')).Path
+$unitWsl = ConvertTo-WslPath $unitPath
+
+$updatePath = (Resolve-Path (Join-Path $PSScriptRoot 'wsl-podman-update.sh')).Path
+$updateWsl = ConvertTo-WslPath $updatePath
+
+$commit = (& git -C $repoRoot rev-parse --short=12 HEAD).Trim()
+if ($LASTEXITCODE -ne 0) { throw 'Could not read the current Git commit.' }
+$tagOutput = & git -C $repoRoot describe --tags --exact-match HEAD 2>$null
+$tag = if ($tagOutput) { "$tagOutput".Trim() } else { 'dev' }
+$buildTime = [TimeZoneInfo]::ConvertTimeBySystemTimeZoneId([DateTimeOffset]::UtcNow, 'China Standard Time').ToString('yyyy-MM-dd HH:mm')
+
+$deployHome = '/home/justme/podman/webdrop'
+$configDir = '/home/justme/.config/containers/systemd'
+& wsl.exe -d Debian -- mkdir -p $deployHome $configDir
+if ($LASTEXITCODE -ne 0) { throw 'Could not create the WSL deployment directories.' }
+
+& wsl.exe -d Debian -- install -D -m 755 $updateWsl "$deployHome/update.sh"
+if ($LASTEXITCODE -ne 0) { throw 'Could not install the WSL update script.' }
+& wsl.exe -d Debian -- install -D -m 644 $unitWsl "$deployHome/webdrop.container"
+if ($LASTEXITCODE -ne 0) { throw 'Could not install the WebDrop Quadlet.' }
+& wsl.exe -d Debian -- ln -sfn "$deployHome/webdrop.container" "$configDir/webdrop.container"
+if ($LASTEXITCODE -ne 0) { throw 'Could not link the Quadlet into the user systemd directory.' }
+
+& wsl.exe -d Debian -- bash "$deployHome/update.sh" $repoWsl $commit $tag $buildTime
+if ($LASTEXITCODE -ne 0) { throw 'The WSL Podman build or service update failed.' }