$ git clone -n https://src.fedoraproject.org/rpms/ghc-generics-sop.git /var/lib/mock/f38-build-side-42-init-devel-1025458-29683/root/chroot_tmpdir/scmroot/ghc-generics-sop
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1025458-29683/root/chroot_tmpdir/scmroot/ghc-generics-sop'...
$ git fetch origin a4d54b5f3c02552c89e9253b35e2d470e76e5346:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-generics-sop
 * [new ref]         a4d54b5f3c02552c89e9253b35e2d470e76e5346 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4d54b5 refresh to cabal-rpm-2.1.0 with SPDX migration