$ git clone -n https://src.fedoraproject.org/rpms/golang-cloud-google.git /var/lib/mock/f40-build-2430469-60608/root/chroot_tmpdir/scmroot/golang-cloud-google
Cloning into '/var/lib/mock/f40-build-2430469-60608/root/chroot_tmpdir/scmroot/golang-cloud-google'...
$ git fetch origin e07b2dcd5e21c716dd5d8ced0e45f5a1750f1d3e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-cloud-google
 * [new ref]         e07b2dcd5e21c716dd5d8ced0e45f5a1750f1d3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e07b2dc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild