$ git clone -n https://src.fedoraproject.org/rpms/golang-x-text.git /var/lib/mock/f38-build-side-42-init-devel-732722-27573/root/chroot_tmpdir/scmroot/golang-x-text
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-732722-27573/root/chroot_tmpdir/scmroot/golang-x-text'...
$ git fetch origin 17d75ddbf6566ae35f61528145cc76af6fec9945:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-text
 * [new ref]         17d75ddbf6566ae35f61528145cc76af6fec9945 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17d75dd Update to latest version (#2134246)