$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtdeclarative.git /var/lib/mock/f42-build-side-1-3569493-46747/root/chroot_tmpdir/scmroot/mingw-qt6-qtdeclarative
Cloning into '/var/lib/mock/f42-build-side-1-3569493-46747/root/chroot_tmpdir/scmroot/mingw-qt6-qtdeclarative'...
$ git fetch origin 8687ea85a4f55d347fd93d2a9064de9ccd78f52c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtdeclarative
 * [new ref]         8687ea85a4f55d347fd93d2a9064de9ccd78f52c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8687ea8 Update to 6.9.1