$ git clone -n https://src.fedoraproject.org/rpms/ghc-asn1-types.git /var/lib/mock/f40-build-2047814-48974/root/chroot_tmpdir/scmroot/ghc-asn1-types
Cloning into '/var/lib/mock/f40-build-2047814-48974/root/chroot_tmpdir/scmroot/ghc-asn1-types'...
$ git fetch origin febca8d17ed5f7e7fd52a690acb951f0f6eca670:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-asn1-types
 * [new ref]         febca8d17ed5f7e7fd52a690acb951f0f6eca670 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at febca8d bump release