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Fix stale WinGetWin32Apps.json handling

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Treat WinGetWin32Apps.json as generated app orchestration output so failed or cancelled builds do not restore stale install metadata. Reuse Apps.iso when app inputs have not changed, and refresh it only when current app content or orchestration inputs are newer.
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rbalsleyMSFT
2026-06-04 16:54:16 -07:00
parent 7decd8f1ba
commit c32cb93434
3 changed files with 83 additions and 22 deletions
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docs/build.md
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@@ -659,6 +659,8 @@ Controls the `-CleanupAppsISO` parameter. When checked, the Apps ISO file is aut
During the build process, when apps are being installed, the script creates an `Apps.iso` file in the FFU Development Path (for example, `.\FFUDevelopment\Apps.iso`). This ISO contains the contents of the `.\FFUDevelopment\Apps` folder, including application installers, Office deployment files, and orchestration scripts, and is mounted to the VM during the build to install applications.
If an existing `Apps.iso` is present, FFU Builder reuses it when the app inputs have not changed. If app content, app configuration, BYO app data, or the generated `WinGetWin32Apps.json` orchestration file is newer than the ISO, the ISO is refreshed before the VM starts so the VM receives current install commands.
#### When to Disable
You may want to disable Cleanup Apps ISO in the following scenarios:
@@ -755,7 +757,7 @@ During the build process, application content accumulates in several subfolders
| `MSStore` | Microsoft Store applications downloaded via Winget |
| `Office` | Microsoft 365 Apps installer files downloaded by the Office Deployment Tool |
Additionally, the `WinGetWin32Apps.json` orchestration file in `.\FFUDevelopment\Apps\Orchestration` is removed. This file is automatically regenerated at build time based on downloaded applications.
Additionally, the `WinGetWin32Apps.json` orchestration file in `.\FFUDevelopment\Apps\Orchestration` is removed. This file is generated at build time based on the current downloaded Winget applications and is refreshed when app inputs change.
When this option is enabled, the cleanup process removes: