$ git clone -n https://src.fedoraproject.org/rpms/ghc-hledger-lib.git /var/lib/mock/f38-build-side-42-init-devel-819691-28339/root/chroot_tmpdir/scmroot/ghc-hledger-lib
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-819691-28339/root/chroot_tmpdir/scmroot/ghc-hledger-lib'...
$ git fetch origin 3adfc7830c42a5167484da4e2cc579432300c4d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hledger-lib
 * [new ref]         3adfc7830c42a5167484da4e2cc579432300c4d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3adfc78 update to 1.27.1