$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtvirtualkeyboard.git /var/lib/mock/f38-build-side-42-init-devel-573777-25940/root/chroot_tmpdir/scmroot/qt6-qtvirtualkeyboard
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-573777-25940/root/chroot_tmpdir/scmroot/qt6-qtvirtualkeyboard'...
$ git fetch origin 07644f3b3aa27033c658efb66a0d5e917cc87d46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtvirtualkeyboard
 * [new ref]         07644f3b3aa27033c658efb66a0d5e917cc87d46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07644f3 6.4.3