Fix 5560: add support for a new staking-miner info command (#5577)

* Refactoring opts out

* Implement info command

fix #5560

* remove useless change

* Remove unnecessary brackets

* Fix and add tests

* Promote the uri flag to global

* Ignore lint identity ops

* Reverse adding #[allow(identity_op)]

* Add cli test for the info command

* Add licende headers and fix some grumbles

* Add retrieval of the linked version and make the json output optional

* Fix tests

* Keep it generic and renamed builtin into linked

* Rebase master

* Add runtimes compatibility information

* Silence erroneous warning about unsafe

* Fix spellcheck

* Update utils/staking-miner/src/runtime_versions.rs

Co-authored-by: Niklas Adolfsson <niklasadolfsson1@gmail.com>

polkadot/utils/staking-miner/tests/cli.rs

@@ -1,4 +1,5 @@
 use assert_cmd::{cargo::cargo_bin, Command};
+use serde_json::{Result, Value};
 
 #[test]
 fn cli_version_works() {
@@ -10,3 +11,23 @@ fn cli_version_works() {
 
 	assert_eq!(version, format!("{} {}", crate_name, env!("CARGO_PKG_VERSION")));
 }
+
+#[test]
+fn cli_info_works() {
+	let crate_name = env!("CARGO_PKG_NAME");
+	let output = Command::new(cargo_bin(crate_name))
+		.arg("info")
+		.arg("--json")
+		.env("RUST_LOG", "none")
+		.output()
+		.unwrap();
+
+	assert!(output.status.success(), "command returned with non-success exit code");
+	let info = String::from_utf8_lossy(&output.stdout).trim().to_owned();
+	let v: Result<Value> = serde_json::from_str(&info);
+	let v = v.unwrap();
+	assert!(!v["builtin"].to_string().is_empty());
+	assert!(!v["builtin"]["spec_name"].to_string().is_empty());
+	assert!(!v["builtin"]["spec_version"].to_string().is_empty());
+	assert!(!v["remote"].to_string().is_empty());
+}