$ git clone -n https://src.fedoraproject.org/rpms/envision.git /var/lib/mock/f41-build-side-1-3137329-39794/root/chroot_tmpdir/scmroot/envision
Cloning into '/var/lib/mock/f41-build-side-1-3137329-39794/root/chroot_tmpdir/scmroot/envision'...
$ git fetch origin 94a9f2354d577fbccc87e3529eb93707eeef3dca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/envision
 * [new ref]         94a9f2354d577fbccc87e3529eb93707eeef3dca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94a9f23 Initial import (fedora#2292541).