$ git clone -n https://src.fedoraproject.org/rpms/ghc-these.git /var/lib/mock/f42-build-878153-180475/root/chroot_tmpdir/scmroot/ghc-these
Cloning into '/var/lib/mock/f42-build-878153-180475/root/chroot_tmpdir/scmroot/ghc-these'...
$ git fetch origin 7872cdf41a68291b35adbda4d44afd4974192e2f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-these
 * [new ref]         7872cdf41a68291b35adbda4d44afd4974192e2f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7872cdf Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild