$ git clone -n https://src.fedoraproject.org/rpms/alevt.git /var/lib/mock/f41-build-side-1-2631507-25716/root/chroot_tmpdir/scmroot/alevt
Cloning into '/var/lib/mock/f41-build-side-1-2631507-25716/root/chroot_tmpdir/scmroot/alevt'...
$ git fetch origin 29660b46f697c8b3581e7146bce466ba12435db7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/alevt
 * [new ref]         29660b46f697c8b3581e7146bce466ba12435db7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29660b4 convert GPLv2 license to SPDX