$ git clone -n https://src.fedoraproject.org/rpms/double-conversion.git /var/lib/mock/f40-build-773541-127218/root/chroot_tmpdir/scmroot/double-conversion
Cloning into '/var/lib/mock/f40-build-773541-127218/root/chroot_tmpdir/scmroot/double-conversion'...
$ git reset --hard 0c21d06d86d470a7558de350c9638d6c98c0f94c
HEAD is now at 0c21d06 Update to 3.3.0 (close RHBZ#1684966)