$ git clone -n https://src.fedoraproject.org/rpms/libqxp.git /var/lib/mock/f42-build-862629-170967/root/chroot_tmpdir/scmroot/libqxp
Cloning into '/var/lib/mock/f42-build-862629-170967/root/chroot_tmpdir/scmroot/libqxp'...
$ git fetch origin 68521d02582aa77827b0bc5b392563f6e5938689:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libqxp
 * [new ref]         68521d02582aa77827b0bc5b392563f6e5938689 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68521d0 Rebuild for ICU 76