$ git clone -n https://src.fedoraproject.org/rpms/hledger-ui.git /var/lib/mock/f41-build-840842-160994/root/chroot_tmpdir/scmroot/hledger-ui
Cloning into '/var/lib/mock/f41-build-840842-160994/root/chroot_tmpdir/scmroot/hledger-ui'...
$ git fetch origin e64c273e55df9ee54bc16ab4d60fb72a390eb6c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hledger-ui
 * [new ref]         e64c273e55df9ee54bc16ab4d60fb72a390eb6c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e64c273 https://hackage.haskell.org/package/hledger-ui-1.32.3/changelog