fix(list): don't fail on local directory dependencies (#6911)

close #6873

reviewing/dependencies-hierarchy/src/getPkgInfo.ts

@@ -39,7 +39,7 @@ export interface GetPkgInfoOpts {
 
 export function getPkgInfo (opts: GetPkgInfoOpts): PackageInfo {
   let name!: string
-  let version!: string
+  let version: string
   let resolved: string | undefined
   let dev: boolean | undefined
   let optional: true | undefined
@@ -73,6 +73,9 @@ export function getPkgInfo (opts: GetPkgInfoOpts): PackageInfo {
     name = opts.alias
     version = opts.ref
   }
+  if (!version) {
+    version = opts.ref
+  }
   const fullPackagePath = depPath
     ? path.join(opts.virtualStoreDir ?? '.pnpm', depPathToFilename(depPath), 'node_modules', name)
     : path.join(opts.linkedPathBaseDir, opts.ref.slice(5))

reviewing/plugin-commands-listing/test/index.ts

@@ -154,3 +154,37 @@ pkg-with-optional 1.0.0
 └── not-compatible-with-any-os 1.0.0 skipped`)
   }
 })
+
+// Covers https://github.com/pnpm/pnpm/issues/6873
+test('listing packages should not fail on package that has local file directory in dependencies', async () => {
+  preparePackages([
+    {
+      name: 'dep',
+      version: '1.0.0',
+    },
+    {
+      name: 'pkg',
+      version: '1.0.0',
+
+      dependencies: {
+        dep: 'file:../dep',
+      },
+    },
+  ])
+
+  const pkgDir = path.resolve('pkg')
+  await execa('node', [pnpmBin, 'install'], { cwd: pkgDir })
+
+  const output = await list.handler({
+    dev: false,
+    dir: pkgDir,
+    optional: false,
+  }, [])
+
+  expect(stripAnsi(output)).toBe(`Legend: production dependency, optional only, dev only
+
+pkg@1.0.0 ${pkgDir}
+
+dependencies:
+dep file:../dep`)
+})