$ git clone -n https://src.fedoraproject.org/rpms/mingw-python-psycopg2.git /var/lib/mock/f40-build-2011147-45672/root/chroot_tmpdir/scmroot/mingw-python-psycopg2
Cloning into '/var/lib/mock/f40-build-2011147-45672/root/chroot_tmpdir/scmroot/mingw-python-psycopg2'...
$ git fetch origin ab5918d6753955797b3802fea68b9795dfef7e80:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-python-psycopg2
 * [new ref]         ab5918d6753955797b3802fea68b9795dfef7e80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab5918d Update to 2.9.9