Cargo.toml

 [package]
 name = "ruled-labels"
-version = "0.3.1"
+version = "0.3.2"
 edition = "2021"
 license-file = "LICENSE"
 
@@ -12,7 +12,7 @@ hubcaps = "0.6"
 log = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_yaml = { version = "0.9", optional = false }
-termion = "1.5"
+termion = "2"
 semver = { version = "1.0", features = ["serde"] }
 regex = "1"
 anyhow = "1.0"

README.md

@@ -49,6 +49,8 @@ You can now remove the leading `,` that is not useful:
 
     labels_args=${labels: :-1}
 
+Before using the `labels_args`, you want to ensure you are using `IFS=","` so your shell does not split one label containing a space into 2 strings made of a valid label and one that will fail.
+
 And finally run the check:
 
     ruled-labels check --dev --labels $labels_args

doc/getting-started.adoc

@@ -34,6 +34,8 @@ You can now remove the leading `,` that is not useful:
 
     labels_args=${labels: :-1}
 
+WARNING: Before using the `labels_args`, you want to ensure you are using `IFS=","` so your shell does not split one label containing a space into 2 strings made of a valid label and one that will fail.
+
 And finally run the check:
 
     ruled-labels check --dev --labels $labels_args

src/main.rs

@@ -66,7 +66,12 @@ fn main() -> Result<(), Box<dyn Error>> {
 			log::debug!("check: {:#?}", cmd_opts);
 			let specs: Specs = Specs::load(&cmd_opts.spec_file)?;
 
-			let label_ids: HashSet<LabelId> = cmd_opts.labels.iter().map(|s| s.id).collect();
+			let label_ids: HashSet<LabelId> = if !cmd_opts.no_label {
+				cmd_opts.labels.iter().map(|s| s.id).collect()
+			} else {
+				HashSet::new()
+			};
+
 			let res =
 				specs.run_checks(&label_ids, true, !opts.no_color, opts.dev, cmd_opts.tags, &None);
 			let aggregated_result = res.iter().fold(true, |acc, x| match x {

src/opts.rs

@@ -69,6 +69,10 @@ pub struct CheckOpts {
 	#[clap(long, short, required = true, num_args=1.., value_delimiter = ',')]
 	pub labels: Vec<ParsedLabel>,
 
+	/// Depending on your rules, if may be ok to have no labels.
+	#[clap(long, short, conflicts_with = "labels")]
+	pub no_label: bool,
+
 	/// Show details about the rules of the faulty tests
 	#[clap(long)]
 	pub faulty: bool,

src/rllib/parsed_label.rs

@@ -122,6 +122,7 @@ impl TryFrom<&str> for ParsedLabel {
 
 impl From<String> for ParsedLabel {
 	fn from(s: String) -> Self {
+		println!("s = {:?}", s);
 		let id = LabelId::from_str(&s).unwrap();
 		let mut s = s;
 		let description = s.drain(0..2).as_str().to_string();

tests/cli.rs

@@ -169,5 +169,12 @@ mod cli_tests {
 				.assert();
 			assert.failure().code(1);
 		}
+
+		#[test]
+		fn it_passes_when_no_labels_required() {
+			let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
+			let assert = cmd.arg("check").arg("./tests/specs_mini.yaml").arg("--no-label").assert();
+			assert.success().code(0);
+		}
 	}
 }

tests/specs_mini.yaml

+---
+name: Mini Specs
+version: 0.1.0
+description: A mini set of rules that is pretty friendly
+labels:
+  - name: A1-foo
+    description: Foo
+    color: d73a4a
+  - name: A2-bar
+    description: Bar
+    color: d73a4a
+
+# parser:
+#   id: ^(\w\d).*$     # default
+#   description: ^\w\d-(.*?)$ # Optional, un-used
+
+rules:
+  - name: Foo needs Bar
+    description: |
+      It is ok to pass no labels, but if foo is set, bar is required``
+    spec:
+      when: !one_of
+        - A1
+      require: !one_of
+        - A2
+      exclude: ~

tests/tests_fail.yaml

 name: Name of the test
-spec_file: specs.yaml
+spec_file: specs_ok.yaml
 
 specs:
   - name: Should Fail