$ git clone -n https://src.fedoraproject.org/rpms/log4net.git /var/lib/mock/f41-build-1702094-24562/root/chroot_tmpdir/scmroot/log4net
Cloning into '/var/lib/mock/f41-build-1702094-24562/root/chroot_tmpdir/scmroot/log4net'...
$ git fetch origin 3fde2c620825b64af0a36214920b4f2b025fef26:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/log4net
 * [new ref]         3fde2c620825b64af0a36214920b4f2b025fef26 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fde2c6 convert ASL 2.0 license to SPDX