$ git clone -n https://src.fedoraproject.org/rpms/libva.git /var/lib/mock/f42-build-side-1-3498237-45962/root/chroot_tmpdir/scmroot/libva
Cloning into '/var/lib/mock/f42-build-side-1-3498237-45962/root/chroot_tmpdir/scmroot/libva'...
$ git fetch origin 2cbde19cf7f1d7756727410a38d323561789a7a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libva
 * [new ref]         2cbde19cf7f1d7756727410a38d323561789a7a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cbde19 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild