$ git clone -n https://src.fedoraproject.org/rpms/ghc-pretty-terminal.git /var/lib/mock/f40-build-1998233-44221/root/chroot_tmpdir/scmroot/ghc-pretty-terminal
Cloning into '/var/lib/mock/f40-build-1998233-44221/root/chroot_tmpdir/scmroot/ghc-pretty-terminal'...
$ git fetch origin 05ec1806a658f73ac1804b93c9950b9f21fae49c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-pretty-terminal
 * [new ref]         05ec1806a658f73ac1804b93c9950b9f21fae49c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05ec180 bump release