$ git clone -n https://src.fedoraproject.org/rpms/pythoncapi-compat.git /var/lib/mock/f45-build-33790-674/root/chroot_tmpdir/scmroot/pythoncapi-compat
Cloning into '/var/lib/mock/f45-build-33790-674/root/chroot_tmpdir/scmroot/pythoncapi-compat'...
$ git fetch origin 335f33a0bc8692deb3fd9a78e5568130f688e6e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pythoncapi-compat
 * [new ref]         335f33a0bc8692deb3fd9a78e5568130f688e6e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 335f33a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild