$ git clone -n https://src.fedoraproject.org/rpms/electron-cash.git /var/lib/mock/f40-build-1945009-25179/root/chroot_tmpdir/scmroot/electron-cash
Cloning into '/var/lib/mock/f40-build-1945009-25179/root/chroot_tmpdir/scmroot/electron-cash'...
$ git fetch origin 671aaee09cbf5571cba50a48a4086dad601be756:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/electron-cash
 * [new ref]         671aaee09cbf5571cba50a48a4086dad601be756 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 671aaee Updated to version 4.4.1