$ git clone -n https://src.fedoraproject.org/rpms/python-pymapvbvd.git /var/lib/mock/f39-build-1898776-42816/root/chroot_tmpdir/scmroot/python-pymapvbvd
Cloning into '/var/lib/mock/f39-build-1898776-42816/root/chroot_tmpdir/scmroot/python-pymapvbvd'...
$ git fetch origin 1d65d50d52eadceb18d20f22c303f9447c71f5eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pymapvbvd
 * [new ref]         1d65d50d52eadceb18d20f22c303f9447c71f5eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d65d50 Update to 0.5.6 (close RHBZ#2243258)