$ git clone -n https://src.fedoraproject.org/rpms/ghc-listsafe.git /var/lib/mock/f38-build-side-42-init-devel-871367-28444/root/chroot_tmpdir/scmroot/ghc-listsafe
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-871367-28444/root/chroot_tmpdir/scmroot/ghc-listsafe'...
$ git fetch origin 9a96ebb3876e2c9403e42559b6af2c99aba03a86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-listsafe
 * [new ref]         9a96ebb3876e2c9403e42559b6af2c99aba03a86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a96ebb Convert to %autorelease and %autochangelog