$ git clone -n https://src.fedoraproject.org/rpms/ghc-dataenc.git /var/lib/mock/f42-build-877358-180226/root/chroot_tmpdir/scmroot/ghc-dataenc
Cloning into '/var/lib/mock/f42-build-877358-180226/root/chroot_tmpdir/scmroot/ghc-dataenc'...
$ git fetch origin 54c05e5ffea423def8800246b258059d53994e62:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-dataenc
 * [new ref]         54c05e5ffea423def8800246b258059d53994e62 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54c05e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild