$ git clone -n https://src.fedoraproject.org/rpms/ghc-yesod.git /var/lib/mock/f41-build-840857-160994/root/chroot_tmpdir/scmroot/ghc-yesod
Cloning into '/var/lib/mock/f41-build-840857-160994/root/chroot_tmpdir/scmroot/ghc-yesod'...
$ git fetch origin 359d011c3ed7696e6204b25189f13919c974d04d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-yesod
 * [new ref]         359d011c3ed7696e6204b25189f13919c974d04d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 359d011 bump release