$ git clone -n https://src.fedoraproject.org/rpms/ghc-pandoc-types.git /var/lib/mock/f40-build-763295-122465/root/chroot_tmpdir/scmroot/ghc-pandoc-types
Cloning into '/var/lib/mock/f40-build-763295-122465/root/chroot_tmpdir/scmroot/ghc-pandoc-types'...
$ git fetch origin aa19d3934e52bfaa142dd26e0ec7fd5407220cbc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-pandoc-types
 * [new ref]         aa19d3934e52bfaa142dd26e0ec7fd5407220cbc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa19d39 https://hackage.haskell.org/package/pandoc-types-1.23.0.1/changelog