$ git clone -n https://src.fedoraproject.org/rpms/python-astroid.git /var/lib/mock/f45-build-29458-639/root/chroot_tmpdir/scmroot/python-astroid
Cloning into '/var/lib/mock/f45-build-29458-639/root/chroot_tmpdir/scmroot/python-astroid'...
$ git fetch origin 583c3c9a09747d11c26fa4c20f8ae50ecfc09a31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-astroid
 * [new ref]         583c3c9a09747d11c26fa4c20f8ae50ecfc09a31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 583c3c9 Fix FTBFS