$ git clone -n https://src.fedoraproject.org/rpms/ghc-htoml.git /var/lib/mock/f40-build-770350-125843/root/chroot_tmpdir/scmroot/ghc-htoml
Cloning into '/var/lib/mock/f40-build-770350-125843/root/chroot_tmpdir/scmroot/ghc-htoml'...
$ git fetch origin f363abc2549bc65bcb9933110421195a3326fd14:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-htoml
 * [new ref]         f363abc2549bc65bcb9933110421195a3326fd14 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f363abc bump upperbounds