$ git clone -n https://src.fedoraproject.org/rpms/python-b4.git /var/lib/mock/f39-build-1621349-38720/root/chroot_tmpdir/scmroot/python-b4
Cloning into '/var/lib/mock/f39-build-1621349-38720/root/chroot_tmpdir/scmroot/python-b4'...
$ git fetch origin f835424e085efefab17424c5a347be60843643b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-b4
 * [new ref]         f835424e085efefab17424c5a347be60843643b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f835424 Skip test affected by Python 3.12b4 regression (rhbz#2226159)