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Allen Houchins 2431d580b0 Add QEMU as a Windows Fleet-maintained app (#50471)
<!-- Add the related story/sub-task/bug number, like Resolves #123, or
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**Related issue:** Resolves #50126

Adds **QEMU** (`SoftwareFreedomConservancy.QEMU`) as a Windows
Fleet-maintained app, requested by a customer in #50126. Windows-only:
on macOS, Homebrew ships QEMU as a formula (CLI tools, no `.app`
bundle), so it isn't a viable macOS FMA.

## App identity (verified against the real installer)

- Downloaded `qemu-w64-setup-20260501.exe` from `qemu.weilnetz.de`;
SHA256 matches the winget manifest.
- QEMU's NSIS definition
([`qemu.nsi`](https://gitlab.com/qemu-project/qemu/-/blob/master/qemu.nsi))
writes the uninstall key `HKLM\...\Uninstall\QEMU` (64-bit view via
`SetRegView 64`) with `DisplayName "QEMU"` and `DisplayVersion` set to
the meson project version — which equals the winget `PackageVersion`, so
the patch policy reconciles cleanly.
- **No `Publisher` value is written to the registry**, so the default
generated exists query (`... AND publisher = 'QEMU Community'`) would
never match. The input overrides it with `exists_query: SELECT 1 FROM
programs WHERE name = 'QEMU';` — exact name match, so entries like "QEMU
guest agent" (virtio-win) are left alone.

## Install/uninstall scripts

- NSIS installer, machine scope, x64. Install: standard silent `/S`
(same pattern as AnyBurn).
- Uninstall: registry lookup by exact DisplayName across both registry
views, defensive UninstallString parsing, `/S _?=<installdir>` so the
uninstaller runs in place (instead of relaunching from `%TEMP%` and
returning immediately), verification that the ARP entry is actually
gone, then sweep of the leftover uninstaller/install dir,
`HKLM\SOFTWARE\QEMU`, and shortcuts.

## Version caveat

winget's newest version dir for this package is **11.0.50 — a QEMU
development snapshot** (QEMU uses `x.y.50` for post-release dev builds;
only x64, no arm64), added upstream alongside the 11.0.0 stable release.
The ingester picks the highest version, so this FMA currently ships the
snapshot build; it will move to the next stable (e.g. 11.0.1/11.1.0) as
soon as winget has it. The installer URL is date-pinned
(`.../2026/qemu-w64-setup-20260501.exe`), so there's no hash-drift risk.
If we'd rather not offer dev snapshots, that needs an ingester-level
version filter — flagging for maintainer input rather than building it
into this PR.

## Icon

Official 128×128 QEMU icon from the upstream source tree
(`ui/icons/qemu_128x128.png`), generated via
`tools/software/icons/generate-icons.sh`.

# Checklist for submitter

If some of the following don't apply, delete the relevant line.

- [x] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements), JS
inline code is prevented especially for url redirects, and untrusted
data interpolated into shell scripts/commands is validated against shell
metacharacters.
- [x] Timeouts are implemented and retries are limited to avoid infinite
loops

## Testing

- [x] Verified installer SHA256, registry identity
(DisplayName/DisplayVersion/no Publisher), and silent switches against
the real installer and upstream `qemu.nsi`/`meson.build`
- [ ] `test-fma-windows-pr-only` validates QEMU install/uninstall in
this PR's CI


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
  * Added QEMU to the Windows software catalog.
* Added support for silent QEMU installation and reliable
uninstallation.
  * Added QEMU version detection and upgrade validation.
  * Added a QEMU icon to the software interface.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-08-03 21:36:12 -05:00

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{
"name": "QEMU",
"slug": "qemu/windows",
"package_identifier": "SoftwareFreedomConservancy.QEMU",
"unique_identifier": "QEMU",
"exists_query": "SELECT 1 FROM programs WHERE name = 'QEMU';",
"install_script_path": "ee/maintained-apps/inputs/winget/scripts/qemu_install.ps1",
"uninstall_script_path": "ee/maintained-apps/inputs/winget/scripts/qemu_uninstall.ps1",
"installer_arch": "x64",
"installer_type": "exe",
"installer_scope": "machine",
"default_categories": ["Developer tools"]
}