fix: do not try to resolve valid uris

src/cli/commands/lint.ts

@@ -4,6 +4,7 @@ import { getLocationForJsonPath } from '@stoplight/yaml';
 import { writeFile } from 'fs';
 import { isNil, omitBy } from 'lodash';
 import { resolve } from 'path';
+import * as URI from 'urijs';
 import { promisify } from 'util';
 
 import { IRuleResult } from '../..';
@@ -127,7 +128,7 @@ async function lint(name: string, flags: any, command: Lint, rules?: RuleCollect
     command.log(`Linting ${name}`);
   }
 
-  const targetUri = resolve(name);
+  const targetUri = isValidURI(name) ? name : resolve(name);
 
   const spec: IParserResult = await readParsable(targetUri, flags.encoding);
   const spectral = new Spectral({ resolver: httpAndFileResolver });
@@ -167,6 +168,7 @@ async function lint(name: string, flags: any, command: Lint, rules?: RuleCollect
 
   let results = [];
   try {
+    console.log(targetUri);
     const parsedResult: IParsedResult = {
       source: targetUri,
       parsed: spec,
@@ -254,3 +256,13 @@ function mergeConfig(config: IConfig, flags: any): ILintConfig {
     ),
   };
 }
+
+const isValidURI = (maybeUri: string) => {
+  try {
+    // tslint:disable-next-line:no-unused-expression
+    new URI(maybeUri);
+    return true;
+  } catch {
+    return false;
+  }
+};