$ git clone -n https://src.fedoraproject.org/rpms/barrier.git /var/lib/mock/f37-build-645677-72420/root/chroot_tmpdir/scmroot/barrier
Cloning into '/var/lib/mock/f37-build-645677-72420/root/chroot_tmpdir/scmroot/barrier'...
$ git reset --hard 79bd7efcec325618e2b3d5b6dedf4a19b2c45556
HEAD is now at 79bd7ef - Upstream update to 2.4.0   - Fixed CVE-2021-42072 (RHBZ 2022094) - BuildDepends added: gmock-devel, gulrak-filesystem-devel - Address the issue from pull request #1, thanks aekoroglu.