$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-core.git /var/lib/mock/f39-build-1810737-41829/root/chroot_tmpdir/scmroot/python-google-cloud-core
Cloning into '/var/lib/mock/f39-build-1810737-41829/root/chroot_tmpdir/scmroot/python-google-cloud-core'...
$ git fetch origin f89615272e178532d7548649df127ef32f5f9651:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-google-cloud-core
 * [new ref]         f89615272e178532d7548649df127ef32f5f9651 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f896152 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild