$ git clone -n https://src.fedoraproject.org/rpms/brainfuck.git /var/lib/mock/f41-build-835774-158637/root/chroot_tmpdir/scmroot/brainfuck
Cloning into '/var/lib/mock/f41-build-835774-158637/root/chroot_tmpdir/scmroot/brainfuck'...
$ git fetch origin ebb23b1ebbc42f5d6247d248723b46c95d4d88b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/brainfuck
 * [new ref]         ebb23b1ebbc42f5d6247d248723b46c95d4d88b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ebb23b1 https://hackage.haskell.org/package/brainfuck-0.1.0.4/changelog