$ git clone -n https://src.fedoraproject.org/rpms/golang-github-oklog.git /var/lib/mock/f41-build-side-1-3081535-38960/root/chroot_tmpdir/scmroot/golang-github-oklog
Cloning into '/var/lib/mock/f41-build-side-1-3081535-38960/root/chroot_tmpdir/scmroot/golang-github-oklog'...
$ git fetch origin 888ff0a4c46215926fef1c32e7e4a75c7d8b8133:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-oklog
 * [new ref]         888ff0a4c46215926fef1c32e7e4a75c7d8b8133 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 888ff0a convert ASL 2.0 license to SPDX