$ git clone -n https://src.fedoraproject.org/rpms/double-conversion.git /var/lib/mock/f31-build-59629-28610/root/chroot_tmpdir/scmroot/double-conversion
Cloning into '/var/lib/mock/f31-build-59629-28610/root/chroot_tmpdir/scmroot/double-conversion'...
$ git reset --hard 57965e27ab89db6eb7aefaa60fdef0a5351f2766
HEAD is now at 57965e2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild