Currently `webkit-flatpak -u` skips the sccache config even if one was previously enabled. The workaround is to pass the auth token again with `-t <token>` but we could be smart and reuse it from the previous config.
Created attachment 402381 [details] Patch
Committed r263344: <https://trac.webkit.org/changeset/263344> All reviewed patches have been landed. Closing bug and clearing flags on attachment 402381 [details].
<rdar://problem/64589161>