$ git clone -n https://src.fedoraproject.org/rpms/golang-x-text.git /var/lib/mock/f45-build-20321-569/root/chroot_tmpdir/scmroot/golang-x-text
Cloning into '/var/lib/mock/f45-build-20321-569/root/chroot_tmpdir/scmroot/golang-x-text'...
$ git fetch origin 7a18d325446402fd35cdc6fd5735a17b142ad7d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-text
 * [new ref]         7a18d325446402fd35cdc6fd5735a17b142ad7d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a18d32 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild