$ git clone -n https://src.fedoraproject.org/rpms/libphonenumber.git /var/lib/mock/f45-build-16802-491/root/chroot_tmpdir/scmroot/libphonenumber
Cloning into '/var/lib/mock/f45-build-16802-491/root/chroot_tmpdir/scmroot/libphonenumber'...
$ git fetch origin e0bcfbe3173d5c9c9e21a6f5b756bd2df97ed8dd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libphonenumber
 * [new ref]         e0bcfbe3173d5c9c9e21a6f5b756bd2df97ed8dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0bcfbe Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild