$ git clone -n https://src.fedoraproject.org/rpms/ghc-persistent-sqlite.git /var/lib/mock/f38-build-side-42-init-devel-701394-27067/root/chroot_tmpdir/scmroot/ghc-persistent-sqlite
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-701394-27067/root/chroot_tmpdir/scmroot/ghc-persistent-sqlite'...
$ git fetch origin 18d0d6c4826b10f040cdfc8596ff2df116e68842:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-persistent-sqlite
 * [new ref]         18d0d6c4826b10f040cdfc8596ff2df116e68842 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18d0d6c Convert to %autorelease and %autochangelog