install.ps1

# Code generated by volt v0.2.0 — DO NOT EDIT.
#
# Regenerate:  volt gen install contrib/vet/cmd/sqlb
# To change:   edit .volt.yml, or the template in volt itself — edits here are lost.
# volt:hash bd12a087daf6
# sqlb installer for Windows (PowerShell).
#
# Usage:
#   irm https://raw.githubusercontent.com/ubgo/sqlb/main/install.ps1 | iex
#   $env:VERSION="v1.2.0"; irm ... | iex     # pin a version
$ErrorActionPreference = "Stop"

$Repo   = "ubgo/sqlb"
$Binary = "sqlb"
# Companion programs shipped in the same archive and installed beside it.
$ExtraBinaries = "sqlbvet" -split " " | Where-Object { $_ }
$InstallDir = if ($env:INSTALL_DIR) { $env:INSTALL_DIR } else { Join-Path $env:LOCALAPPDATA $Binary }
$Version    = if ($env:VERSION) { $env:VERSION } else { "" }
# The release-tag prefix of this CLI's stream: empty for a root CLI (v1.2.0),
# "<binary>/" for one in a subdirectory (<binary>/v1.2.0).
$TagPrefix  = "sqlb/"

$arch = if ($env:PROCESSOR_ARCHITECTURE -eq "ARM64") { "arm64" } else { "amd64" }

if ($Version -and $TagPrefix -and $Version.StartsWith($TagPrefix)) { $Version = $Version.Substring($TagPrefix.Length) }
if (-not $Version -and $TagPrefix) {
  # "latest" is repo-global and may be another stream's release: list this
  # stream's tags instead (git ls-remote has no API rate limit).
  if (-not (Get-Command git -ErrorAction SilentlyContinue)) { Write-Error "git is needed to find the newest $Binary release - or set `$env:VERSION"; exit 1 }
  $Version = git ls-remote --tags --refs "https://github.com/ubgo/sqlb.git" "${TagPrefix}v*" |
    ForEach-Object { ($_ -split "refs/tags/$TagPrefix")[1] } |
    Where-Object { $_ -match '^v\d+\.\d+\.\d+$' } |
    Sort-Object { [version]($_.Substring(1)) } | Select-Object -Last 1
  if (-not $Version) { Write-Error "no ${TagPrefix}v* release found in $Repo - set `$env:VERSION"; exit 1 }
}
# The redirect endpoint has no rate limit; the JSON API allows 60/hr/IP.
if ($Version) { $Tag = "$TagPrefix$Version"; $base = "https://github.com/ubgo/sqlb/releases/download/$Tag" }
else          { $Tag = "latest"; $base = "https://github.com/ubgo/sqlb/releases/latest/download" }
if (-not $base) { Write-Error "this forge has no 'latest' redirect - pass a version"; exit 1 }

$tmp = Join-Path $env:TEMP ([System.IO.Path]::GetRandomFileName())
New-Item -ItemType Directory -Path $tmp | Out-Null
try {
  Invoke-WebRequest -Uri "$base/checksums.txt" -OutFile (Join-Path $tmp "checksums.txt")
  $line = Get-Content (Join-Path $tmp "checksums.txt") | Where-Object { $_ -match "_windows_$arch\.zip$" } | Select-Object -First 1
  if (-not $line) { throw "release $Tag of $Repo has no windows/$arch build of $Binary" }
  $sum, $asset = $line -split "\s+", 2
  $zip = Join-Path $tmp $asset
  Write-Host "Downloading $asset..."
  Invoke-WebRequest -Uri "$base/$asset" -OutFile $zip

  # Verify BEFORE installing.
  $actual = (Get-FileHash -Algorithm SHA256 $zip).Hash.ToLower()
  if ($actual -ne $sum.ToLower()) { throw "checksum verification FAILED for $asset - refusing to install" }

  Expand-Archive -Path $zip -DestinationPath $tmp -Force
  New-Item -ItemType Directory -Force -Path $InstallDir | Out-Null
  Copy-Item (Join-Path $tmp "$Binary.exe") (Join-Path $InstallDir "$Binary.exe") -Force
  foreach ($extra in $ExtraBinaries) {
    $src = Join-Path $tmp "$extra.exe"
    if (Test-Path $src) { Copy-Item $src (Join-Path $InstallDir "$extra.exe") -Force }
    else { Write-Host "NOTE: $extra is not in release $Tag; skipped." }
  }

  $userPath = [Environment]::GetEnvironmentVariable("Path", "User")
  if ($userPath -notlike "*$InstallDir*") {
    [Environment]::SetEnvironmentVariable("Path", "$userPath;$InstallDir", "User")
    Write-Host "Added $InstallDir to user PATH (restart your shell)."
  }
  Write-Host "Installed $Binary to $InstallDir\$Binary.exe"
} finally {
  Remove-Item -Recurse -Force $tmp
}