$ git clone -n https://src.fedoraproject.org/rpms/ghc-rosezipper.git /var/lib/mock/f38-build-side-42-init-devel-917697-28734/root/chroot_tmpdir/scmroot/ghc-rosezipper
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-917697-28734/root/chroot_tmpdir/scmroot/ghc-rosezipper'...
$ git fetch origin a44869945d981d25853d99aa833e81d13a0de7d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-rosezipper
 * [new ref]         a44869945d981d25853d99aa833e81d13a0de7d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a448699 Convert to %autorelease and %autochangelog