$ git clone -n https://src.fedoraproject.org/rpms/accel-config.git /var/lib/mock/f41-build-844843-162646/root/chroot_tmpdir/scmroot/accel-config
Cloning into '/var/lib/mock/f41-build-844843-162646/root/chroot_tmpdir/scmroot/accel-config'...
$ git fetch origin 12aa984b173b4ccfe5bf6d0e99d1a0505729ccbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/accel-config
 * [new ref]         12aa984b173b4ccfe5bf6d0e99d1a0505729ccbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12aa984 Update to v4.1.7 release