$ git clone -n https://src.fedoraproject.org/rpms/checksec.git /var/lib/mock/f40-build-1992538-43609/root/chroot_tmpdir/scmroot/checksec
Cloning into '/var/lib/mock/f40-build-1992538-43609/root/chroot_tmpdir/scmroot/checksec'...
$ git fetch origin 7ebdb0feebe3051beb4a49ec1c36b69c871558e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/checksec
 * [new ref]         7ebdb0feebe3051beb4a49ec1c36b69c871558e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ebdb0f Fix typo