Add workflow to run unit tests for Pepr module

Refactor getRepositoryNames() in Pepr module to handle images with digest ref
Add test case to unit tests to validate handling of images with digest

.github/workflows/test-aws-init-package.yml

@@ -1,11 +1,15 @@
 name: Test AWS Init Package
 on:
-  push:
-    branches:
-      - main
   pull_request:
-    branches:
-      - main
+    paths-ignore:
+      - "**.md"
+      - "**.jpg"
+      - "**.png"
+      - "**.gif"
+      - "**.svg"
+      - "adr/**"
+      - "docs/**"
+      - "CODEOWNERS"
 
   workflow_dispatch:
     inputs:

.github/workflows/test-pepr-module.yml

@@ -0,0 +1,40 @@
+name: Test Pepr Module
+on:
+  pull_request:
+    paths-ignore:
+      - "**.md"
+      - "**.jpg"
+      - "**.png"
+      - "**.gif"
+      - "**.svg"
+      - "adr/**"
+      - "docs/**"
+      - "CODEOWNERS"
+
+permissions:
+  contents: read
+
+# Abort prior jobs in the same workflow / PR
+concurrency:
+  group: pepr-module-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
+
+      - name: Setup NodeJS
+        uses: actions/setup-node@5e21ff4d9bc1a8cf6de233a3057d20ec6b3fb69d # v3.8.1
+        with:
+          node-version: 18
+          cache: "npm"
+          cache-dependency-path: "package-lock.json"
+
+      - name: Install Node dependencies
+        run: npm ci
+
+      - name: Run unit tests for Pepr module
+        run: make test-module

capabilities/lib/utils.test.ts

@@ -27,6 +27,11 @@ describe("getRepositoryNames", () => {
         input: "registry1.dso.mil/defenseunicorns/zarf/agent:latest",
         expected: "defenseunicorns/zarf/agent",
       },
+      {
+        input:
+          "defenseunicorns/zarf-game@sha256:f78e442f0f3eb3e9459b5ae6b1a8fda62f8dfe818112e7d130a4e8ae72b3cbff",
+        expected: "defenseunicorns/zarf-game",
+      },
     ];
 
     testCases.forEach(({ input, expected }) => {

capabilities/lib/utils.ts

@@ -46,8 +46,10 @@ export function getRepositoryNames(images: string[]): string[] {
   }
 
   const repoNames = images.map((image: string) => {
-    if (image.includes(":")) {
+    if (image.includes(":") && !image.includes("@sha256")) {
       image = image.split(":")[0];
+    } else if (image.includes("@sha256")) {
+      image = image.split("@sha256")[0];
     }
 
     const firstSlashIndex = image.indexOf("/");