$ git clone -n https://src.fedoraproject.org/rpms/golang-x-text.git /var/lib/mock/f41-build-842765-161703/root/chroot_tmpdir/scmroot/golang-x-text
Cloning into '/var/lib/mock/f41-build-842765-161703/root/chroot_tmpdir/scmroot/golang-x-text'...
$ git fetch origin 880e1310c3c9e3d96e06ffdc03d7e7e148cbed5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-text
 * [new ref]         880e1310c3c9e3d96e06ffdc03d7e7e148cbed5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 880e131 Update to 0.17.0 upstream release