$ git clone -n https://src.fedoraproject.org/rpms/keylime.git /var/lib/mock/f40-build-2227358-53013/root/chroot_tmpdir/scmroot/keylime
Cloning into '/var/lib/mock/f40-build-2227358-53013/root/chroot_tmpdir/scmroot/keylime'...
$ git fetch origin 50ddc5f8cf96571ac9448a2ed2d423a7a18d8920:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/keylime
 * [new ref]         50ddc5f8cf96571ac9448a2ed2d423a7a18d8920 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50ddc5f Updating for Keylime release v7.8.0