$ git clone -n https://src.fedoraproject.org/rpms/pgadmin4.git /var/lib/mock/f39-build-2364442-60373/root/chroot_tmpdir/scmroot/pgadmin4
Cloning into '/var/lib/mock/f39-build-2364442-60373/root/chroot_tmpdir/scmroot/pgadmin4'...
$ git fetch origin be231c0e7278143977471af4c398f402f4c7d8e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pgadmin4
 * [new ref]         be231c0e7278143977471af4c398f402f4c7d8e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be231c0 Fix sources