$ git clone -n https://src.fedoraproject.org/rpms/ghc-basic-prelude.git /var/lib/mock/f42-build-877474-180226/root/chroot_tmpdir/scmroot/ghc-basic-prelude
Cloning into '/var/lib/mock/f42-build-877474-180226/root/chroot_tmpdir/scmroot/ghc-basic-prelude'...
$ git fetch origin 4d94adff9ee7b73cd46149de7dfa8e9b87fae346:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-basic-prelude
 * [new ref]         4d94adff9ee7b73cd46149de7dfa8e9b87fae346 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d94adf Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild