$ git clone -n https://src.fedoraproject.org/rpms/elisa-player.git /var/lib/mock/f42-build-side-1-3501309-45974/root/chroot_tmpdir/scmroot/elisa-player
Cloning into '/var/lib/mock/f42-build-side-1-3501309-45974/root/chroot_tmpdir/scmroot/elisa-player'...
$ git fetch origin ef4a1658c4a1b6ba2835e700f041a06a2c425f0e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/elisa-player
 * [new ref]         ef4a1658c4a1b6ba2835e700f041a06a2c425f0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef4a165 Rebuild (qt6)