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Windows installer: Inno Setup version from the uninstall key or ISCmplr.dll when ISCC.exe has no version block (the GitHub runner image)

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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
igneum-labs 2026-10-04 10:36:39 +00:00
parent 992297d6d0
commit 9abc507879
1 changed files with 26 additions and 4 deletions
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30
packaging/windows/build-installer.ps1
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@ -55,10 +55,32 @@ if (-not $iscc) {
$iscc = Find-Iscc
if (-not $iscc) { throw 'winget finished but ISCC.exe was not found. Install Inno Setup 6 from https://jrsoftware.org/isdl.php and run again.' }
}
$isccVersion = (Get-Item $iscc).VersionInfo.FileVersion
Say "Inno Setup $isccVersion at $iscc"
$v = [Version]($isccVersion -replace '[^0-9.].*$', '')
if ($v -lt [Version]'6.3.0') { throw "Inno Setup $isccVersion is too old; 6.3 or newer is needed (winget upgrade --id JRSoftware.InnoSetup)." }
# The version: ISCC.exe's own file version first; some installs (the GitHub runner image) ship an ISCC.exe without a
# version block (0.0.0.0), then the uninstall key's DisplayVersion or ISCmplr.dll next to it. Unknown = continue.
function Get-IsccVersion([string]$exe) {
$candidates = @((Get-Item $exe).VersionInfo.FileVersion, (Get-Item $exe).VersionInfo.ProductVersion)
foreach ($key in @('HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Inno Setup 6_is1',
'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Inno Setup 6_is1',
'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Inno Setup 6_is1')) {
try { $candidates += (Get-ItemProperty -Path $key -ErrorAction Stop).DisplayVersion } catch { }
}
$dll = Join-Path (Split-Path -Parent $exe) 'ISCmplr.dll'
if (Test-Path $dll) { $candidates += (Get-Item $dll).VersionInfo.FileVersion }
foreach ($c in $candidates) {
if (-not $c) { continue }
$clean = ($c -replace '[^0-9.].*$', '')
try { $v = [Version]$clean } catch { continue }
if ($v.Major -gt 0) { return $v }
}
return $null
}
$v = Get-IsccVersion $iscc
if ($v) {
Say "Inno Setup $v at $iscc"
if ($v -lt [Version]'6.3.0') { throw "Inno Setup $v is too old; 6.3 or newer is needed (winget upgrade --id JRSoftware.InnoSetup)." }
} else {
Say "Inno Setup at $iscc (version unknown: no version block, no uninstall key; continuing)"
}
# ---- 2. the art ------------------------------------------------------------------------------------------------------
$art = $null