$ git clone -n https://src.fedoraproject.org/rpms/ghc-monads-tf.git /var/lib/mock/f39-build-1712066-41228/root/chroot_tmpdir/scmroot/ghc-monads-tf
Cloning into '/var/lib/mock/f39-build-1712066-41228/root/chroot_tmpdir/scmroot/ghc-monads-tf'...
$ git fetch origin 678e164e4b3989b7954fc3a2583bf92aef62c5ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-monads-tf
 * [new ref]         678e164e4b3989b7954fc3a2583bf92aef62c5ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 678e164 bump release