$ git clone -n https://src.fedoraproject.org/rpms/ghc-ed25519.git /var/lib/mock/f45-build-10238-414/root/chroot_tmpdir/scmroot/ghc-ed25519
Cloning into '/var/lib/mock/f45-build-10238-414/root/chroot_tmpdir/scmroot/ghc-ed25519'...
$ git fetch origin 00b76b8ca84cb7a1148b8acc7a989cb35634c73d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-ed25519
 * [new ref]         00b76b8ca84cb7a1148b8acc7a989cb35634c73d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00b76b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild