$ git clone -n https://src.fedoraproject.org/rpms/golang-google-genproto.git /var/lib/mock/f39-build-1598086-38473/root/chroot_tmpdir/scmroot/golang-google-genproto
Cloning into '/var/lib/mock/f39-build-1598086-38473/root/chroot_tmpdir/scmroot/golang-google-genproto'...
$ git fetch origin 9aee0e8d2b5d8d07e447a87bbc42968079eed60f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-google-genproto
 * [new ref]         9aee0e8d2b5d8d07e447a87bbc42968079eed60f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9aee0e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild