$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtdeclarative.git /var/lib/mock/f42-build-3346757-45002/root/chroot_tmpdir/scmroot/mingw-qt6-qtdeclarative
Cloning into '/var/lib/mock/f42-build-3346757-45002/root/chroot_tmpdir/scmroot/mingw-qt6-qtdeclarative'...
$ git fetch origin bcb5b5be778dd35bbe2d104e0e703aa615188318:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtdeclarative
 * [new ref]         bcb5b5be778dd35bbe2d104e0e703aa615188318 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcb5b5b Fix %%files