$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-pubsub.git /var/lib/mock/f39-build-1957985-43265/root/chroot_tmpdir/scmroot/python-google-cloud-pubsub
Cloning into '/var/lib/mock/f39-build-1957985-43265/root/chroot_tmpdir/scmroot/python-google-cloud-pubsub'...
$ git fetch origin def7cc79dff0fd894bd4be397c0510898c70d45d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-google-cloud-pubsub
 * [new ref]         def7cc79dff0fd894bd4be397c0510898c70d45d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at def7cc7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild