$ git clone -n https://src.fedoraproject.org/rpms/ghc-cabal-doctest.git /var/lib/mock/f38-build-side-42-init-devel-856443-28426/root/chroot_tmpdir/scmroot/ghc-cabal-doctest
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-856443-28426/root/chroot_tmpdir/scmroot/ghc-cabal-doctest'...
$ git fetch origin c9957808930abe64f577d36797fe5fcd209b82fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-cabal-doctest
 * [new ref]         c9957808930abe64f577d36797fe5fcd209b82fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c995780 Convert to %autorelease and %autochangelog