cli: sort option for validators by version (backport #24233)

cli-output/Cargo.toml

@@ -17,6 +17,7 @@ clap = "2.33.0"
 console = "0.15.0"
 humantime = "2.0.1"
 indicatif = "0.16.2"
+semver = "1.0.6"
 serde = "1.0.136"
 serde_json = "1.0.79"
 solana-account-decoder = { path = "../account-decoder", version = "=1.10.9" }

cli-output/src/cli_output.rs

@@ -356,6 +356,7 @@ pub enum CliValidatorsSortOrder {
     SkipRate,
     Stake,
     VoteAccount,
+    Version,
 }
 
 #[derive(Serialize, Deserialize)]
@@ -494,6 +495,22 @@ impl fmt::Display for CliValidators {
             CliValidatorsSortOrder::Stake => {
                 sorted_validators.sort_by_key(|a| a.activated_stake);
             }
+            CliValidatorsSortOrder::Version => {
+                sorted_validators.sort_by(|a, b| {
+                    use std::cmp::Ordering;
+                    let a_version = semver::Version::parse(a.version.as_str()).ok();
+                    let b_version = semver::Version::parse(b.version.as_str()).ok();
+                    match (a_version, b_version) {
+                        (None, None) => a.version.cmp(&b.version),
+                        (None, Some(_)) => Ordering::Less,
+                        (Some(_), None) => Ordering::Greater,
+                        (Some(va), Some(vb)) => match va.cmp(&vb) {
+                            Ordering::Equal => a.activated_stake.cmp(&b.activated_stake),
+                            ordering => ordering,
+                        },
+                    }
+                });
+            }
         }
 
         if self.validators_reverse_sort {

cli/src/cluster_query.rs

@@ -379,6 +379,7 @@ impl ClusterQuerySubCommands for App<'_, '_> {
                             "root",
                             "skip-rate",
                             "stake",
+                            "version",
                             "vote-account",
                         ])
                         .default_value("stake")
@@ -650,6 +651,7 @@ pub fn parse_show_validators(matches: &ArgMatches<'_>) -> Result<CliCommandInfo,
         "skip-rate" => CliValidatorsSortOrder::SkipRate,
         "stake" => CliValidatorsSortOrder::Stake,
         "vote-account" => CliValidatorsSortOrder::VoteAccount,
+        "version" => CliValidatorsSortOrder::Version,
         _ => unreachable!(),
     };