$ git clone -n https://src.fedoraproject.org/rpms/qmmp.git /var/lib/mock/f42-build-side-1-3589311-46957/root/chroot_tmpdir/scmroot/qmmp
Cloning into '/var/lib/mock/f42-build-side-1-3589311-46957/root/chroot_tmpdir/scmroot/qmmp'...
$ git fetch origin dffffa3b51ca4a1a7d0d21ca242b4484e81ba319:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qmmp
 * [new ref]         dffffa3b51ca4a1a7d0d21ca242b4484e81ba319 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dffffa3 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild