$ git clone -n https://src.fedoraproject.org/rpms/golang-github-apparentlymart-textseg-13.git /var/lib/mock/f41-build-side-1-2811778-32932/root/chroot_tmpdir/scmroot/golang-github-apparentlymart-textseg-13
Cloning into '/var/lib/mock/f41-build-side-1-2811778-32932/root/chroot_tmpdir/scmroot/golang-github-apparentlymart-textseg-13'...
$ git fetch origin 0c7bb0aa05ba033935c8f8d15cc82eb6131d1959:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-apparentlymart-textseg-13
 * [new ref]         0c7bb0aa05ba033935c8f8d15cc82eb6131d1959 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c7bb0a Replaced by golang-github-apparentlymart-textseg-15