$ git clone -n https://src.fedoraproject.org/rpms/coin-or-Vol.git /var/lib/mock/f31-build-65922-29799/root/chroot_tmpdir/scmroot/coin-or-Vol
Cloning into '/var/lib/mock/f31-build-65922-29799/root/chroot_tmpdir/scmroot/coin-or-Vol'...
$ git reset --hard 1be8e98469e4e989a3cd11c700306878b9188024
HEAD is now at 1be8e98 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild