Revert "Allow downgrading smithy-rs versions (#3316)"

 */

use crate::fs::Fs;

use anyhow::{anyhow, Context};

use anyhow::{anyhow, bail, Context};

use clap::Parser;

use once_cell::sync::Lazy;

use regex::Regex;

use smithy_rs_tool_common::package::PackageStability;

use std::borrow::Cow;

use std::path::{Path, PathBuf};

use tracing::warn;

static STABLE_VERSION_REGEX: Lazy<Regex> = Lazy::new(|| {

    Regex::new(

        // Special version tag used on the `main` branch

        && current_version != semver::Version::parse("0.0.0-smithy-rs-head").unwrap()

    {

        // NOTE: do not backport this change to mainline during merge.

        warn!("Moving from {current_version} to {upgraded_version} is a *downgrade*.");

        bail!("Moving from {current_version} to {upgraded_version} would be a *downgrade*. This command doesn't allow it!");

    }

    Ok(version_regex.replace(gradle_properties, format!("${{field}}{}", upgraded_version)))

}

        assert_eq!("smithy.rs.runtime.crate.stable.version=1.0.3", updated);

    }

    // ignored: we are temporarily removing this safeguard

    #[test]

    #[ignore]

    fn downgrading_stable_crate_should_be_caught_as_err() {

        let gradle_properties = "smithy.rs.runtime.crate.stable.version=1.0.2";

        let version = semver::Version::new(1, 0, 1);

        assert!(format!("{:?}", result).contains("downgrade"));

    }

    // ignored: we are temporarily removing this safeguard

    #[test]

    #[ignore]

    fn downgrading_unstable_crate_should_be_caught_as_err() {

        let gradle_properties = "smithy.rs.runtime.crate.unstable.version=0.57.1";

        let version = semver::Version::new(0, 57, 0);