From 3c4402129b95e9cda64ba8a20704e8b4457291db Mon Sep 17 00:00:00 2001
From: silverwind <me@silverwind.io>
Date: Wed, 26 Oct 2022 15:36:46 +0200
Subject: [PATCH] don't raise error when no packages present - fixes #58

---
 fixtures/empty.json | 1 +
 test.js             | 8 ++++++++
 updates.js          | 2 +-
 3 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 fixtures/empty.json

diff --git a/fixtures/empty.json b/fixtures/empty.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/fixtures/empty.json
@@ -0,0 +1 @@
+{}
diff --git a/test.js b/test.js
index 4fb8c95..b05523c 100644
--- a/test.js
+++ b/test.js
@@ -8,6 +8,7 @@ import {tmpdir} from "os";
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 const testFile = resolve(__dirname, "fixtures/test.json");
+const emptyFile = resolve(__dirname, "fixtures/empty.json");
 const testPkg = JSON.parse(readFileSync(testFile, "utf8"));
 const testDir = mkdtempSync(join(tmpdir(), "updates-"));
 const script = join(__dirname, "bin/updates.js");
@@ -121,6 +122,13 @@ test("simple", async () => {
   expect(exitCode).toEqual(0);
 });
 
+test("empty", async () => {
+  const {stdout, stderr, exitCode} = await execa(script, ["-C", "-G", githubUrl, "-f", emptyFile]);
+  expect(stderr).toEqual("");
+  expect(stdout).toContain("No packages");
+  expect(exitCode).toEqual(0);
+});
+
 test("version", async () => {
   const {stdout, stderr, exitCode} = await execa(script, ["-v"]);
   expect(stderr).toEqual("");
diff --git a/updates.js b/updates.js
index e5a97b3..d8332f8 100755
--- a/updates.js
+++ b/updates.js
@@ -657,7 +657,7 @@ async function main() {
   }
 
   if (!Object.keys(deps).length && !Object.keys(maybeUrlDeps).length) {
-    finish(new Error(`No packages ${include || exclude ? "match the given filters" : "found"}`));
+    finish(`No packages ${include || exclude ? "match the given filters" : "present"}`);
   }
 
   const entries = await Promise.all(Object.keys(deps).map(key => {