SQSCANGHA-112 Migrate installation step

.github/workflows/qa-main.yml

@@ -13,7 +13,7 @@ jobs:
       No inputs
     strategy:
       matrix:
-        os: [ github-ubuntu-latest-s, macos-latest ]
+        os: [github-ubuntu-latest-s, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
@@ -32,7 +32,7 @@ jobs:
       'args' input
     strategy:
       matrix:
-        os: [ github-ubuntu-latest-s, github-windows-latest-s, macos-latest ]
+        os: [github-ubuntu-latest-s, github-windows-latest-s, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
@@ -55,8 +55,12 @@ jobs:
       'args' input with command injection will fail
     strategy:
       matrix:
-        os: [ github-ubuntu-latest-s, github-windows-latest-s, macos-latest ]
-        args: [ -Dsonar.someArg=aValue && echo "Injection", -Dsonar.someArg="value\"; whoami; echo \"" ]
+        os: [github-ubuntu-latest-s, github-windows-latest-s, macos-latest]
+        args:
+          [
+            -Dsonar.someArg=aValue && echo "Injection",
+            -Dsonar.someArg="value\"; whoami; echo \"",
+          ]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
@@ -81,7 +85,7 @@ jobs:
       'args' input with backticks injection does not execute command
     strategy:
       matrix:
-        os: [ github-ubuntu-latest-s, github-windows-latest-s, macos-latest ]
+        os: [github-ubuntu-latest-s, github-windows-latest-s, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
@@ -109,7 +113,7 @@ jobs:
       'args' input with dollar command injection does not execute command
     strategy:
       matrix:
-        os: [ github-ubuntu-latest-s, github-windows-latest-s, macos-latest ]
+        os: [github-ubuntu-latest-s, github-windows-latest-s, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
@@ -136,7 +140,7 @@ jobs:
       'args' input with other command injection variants does not execute command
     strategy:
       matrix:
-        os: [ github-ubuntu-latest-s, github-windows-latest-s, macos-latest ]
+        os: [github-ubuntu-latest-s, github-windows-latest-s, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
@@ -166,7 +170,7 @@ jobs:
       'projectBaseDir' input
     strategy:
       matrix:
-        os: [ github-ubuntu-latest-s, github-windows-latest-s, macos-latest ]
+        os: [github-ubuntu-latest-s, github-windows-latest-s, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
@@ -203,7 +207,12 @@ jobs:
           SONAR_SCANNER_JSON_PARAMS: '{"sonar.scanner.internal.dumpToFile": "./output.properties"}'
       - name: Assert
         run: |
-          ./test/assertFileExists "$RUNNER_TEMP/sonarscanner/sonar-scanner-cli-6.1.0.4477-linux-x64.zip"
+          # The new JavaScript implementation uses @actions/tool-cache which caches tools differently
+          # Instead of checking for the zip file, verify the tool was installed by checking it's in PATH
+          if ! command -v sonar-scanner &> /dev/null; then
+            echo "Error: sonar-scanner not found in PATH"
+            exit 1
+          fi
   scannerBinariesUrlTest:
     name: >
       'scannerBinariesUrl' input with invalid URL
@@ -245,7 +254,7 @@ jobs:
         uses: ./
         continue-on-error: true
         with:
-          scannerBinariesUrl: 'http://some_uri;touch file.txt;'
+          scannerBinariesUrl: "http://some_uri;touch file.txt;"
         env:
           NO_CACHE: true
           SONAR_HOST_URL: http://not_actually_used
@@ -274,7 +283,7 @@ jobs:
         uses: ./
         continue-on-error: true
         with:
-          scannerBinariesUrl: 'http://some_uri http://another_uri''; touch file.txt;'
+          scannerBinariesUrl: "http://some_uri http://another_uri'; touch file.txt;"
         env:
           NO_CACHE: true
           SONAR_HOST_URL: http://not_actually_used
@@ -381,7 +390,7 @@ jobs:
       'RUNNER_DEBUG' is used
     strategy:
       matrix:
-        os: [ github-ubuntu-latest-s, github-windows-latest-s, macos-latest ]
+        os: [github-ubuntu-latest-s, github-windows-latest-s, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
@@ -434,13 +443,13 @@ jobs:
           projectBaseDir: ./test/example-project
       - name: Assert
         run: |
-          ./test/assertFileExists ./test/example-project/.scannerwork/report-task.txt        
+          ./test/assertFileExists ./test/example-project/.scannerwork/report-task.txt
   overrideSonarcloudUrlTest:
     name: >
       'SONARCLOUD_URL' is used
     strategy:
       matrix:
-        os: [ github-ubuntu-latest-s, github-windows-latest-s, macos-latest ]
+        os: [github-ubuntu-latest-s, github-windows-latest-s, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
@@ -456,92 +465,7 @@ jobs:
       - name: Assert
         run: |
           ./test/assertFileContains ./output.properties "sonar.host.url=mirror.sonarcloud.io"
-          ./test/assertFileContains ./output.properties "sonar.scanner.sonarcloudUrl=mirror.sonarcloud.io" 
-  dontFailWhenMissingWgetButCurlAvailable:
-    name: Don't fail when missing wget but curl available
-    runs-on: github-ubuntu-latest-s
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-      - name: Remove wget
-        run: sudo apt-get remove -y wget
-      - name: Assert wget is not available
-        run: |
-          if command -v wget 2>&1 >/dev/null
-          then
-            exit 1
-          fi
-      - name: Run action
-        uses: ./
-        env:
-          NO_CACHE: true
-          SONAR_HOST_URL: http://not_actually_used
-          SONAR_SCANNER_JSON_PARAMS: '{"sonar.scanner.internal.dumpToFile": "./output.properties"}'
-        with:
-          args: -Dsonar.scanner.internal.dumpToFile=./output.properties
-      - name: Assert
-        run: |
-          ./test/assertFileExists ./output.properties
-  dontFailWhenMissingCurlButWgetAvailable:
-    name: Don't fail when missing curl but wget available
-    runs-on: github-ubuntu-latest-s
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-      - name: Remove curl
-        run: sudo apt-get remove -y curl
-      - name: Assert curl is not available
-        run: |
-          if command -v curl 2>&1 >/dev/null
-          then
-            exit 1
-          fi
-      - name: Run action
-        id: runTest
-        uses: ./
-        env:
-          NO_CACHE: true
-          SONAR_HOST_URL: http://not_actually_used
-          SONAR_SCANNER_JSON_PARAMS: '{"sonar.scanner.internal.dumpToFile": "./output.properties"}'
-        with:
-          args: -Dsonar.scanner.internal.dumpToFile=./output.properties
-      - name: Assert
-        run: |
-          ./test/assertFileExists ./output.properties
-  failWhenBothWgetAndCurlMissing:
-    name: Fail when both wget and curl are missing
-    runs-on: github-ubuntu-latest-s
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-      - name: Remove wget and curl
-        run: sudo apt-get remove -y wget curl
-      - name: Assert wget and curl are not available
-        run: |
-          if command -v wget 2>&1 >/dev/null
-          then
-            exit 1
-          fi
-          if command -v curl 2>&1 >/dev/null
-          then
-            exit 1
-          fi
-      - name: Run action
-        id: runTest
-        uses: ./
-        continue-on-error: true
-        env:
-          NO_CACHE: true
-          SONAR_HOST_URL: http://not_actually_used
-          SONAR_SCANNER_JSON_PARAMS: '{"sonar.scanner.internal.dumpToFile": "./output.properties"}'
-        with:
-          args: -Dsonar.scanner.internal.dumpToFile=./output.properties
-      - name: Assert failure of previous step
-        if: steps.runTest.outcome == 'success'
-        run: exit 1
+          ./test/assertFileContains ./output.properties "sonar.scanner.sonarcloudUrl=mirror.sonarcloud.io"
   curlPerformsRedirect:
     name: >
       curl performs redirect when scannerBinariesUrl returns 3xx
@@ -566,7 +490,7 @@ jobs:
         uses: ./
         with:
           scannerVersion: 6.2.1.4610
-          scannerBinariesUrl: http://localhost:8080/clientRedirectToSonarBinaries
+          scannerBinariesUrl: https://localhost:8080/clientRedirectToSonarBinaries
         env:
           NO_CACHE: true
           SONAR_HOST_URL: http://not_actually_used
@@ -579,7 +503,7 @@ jobs:
       'SONAR_ROOT_CERT' is converted to truststore
     strategy:
       matrix:
-        os: [ github-ubuntu-latest-s, github-windows-latest-s, macos-latest ]
+        os: [github-ubuntu-latest-s, github-windows-latest-s, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
@@ -652,7 +576,7 @@ jobs:
       - name: Start nginx and SonarQube via Docker Compose
         run: docker compose up -d --wait
         working-directory: .github/qa-sq-behind-ngix
-      - name: Read correct server certificate 
+      - name: Read correct server certificate
         run: |
           # read server.crt from .github/qa-sq-behind-ngix/ and store into the SONAR_ROOT_CERT_VALID 
           # environment variable, to be able to read it in the next step
@@ -791,7 +715,7 @@ jobs:
       - name: Run action with SONAR_ROOT_CERT
         uses: ./
         env:
-          # NO_CACHE not needed, as SONAR_SSL_FOLDER is setup when the Sonar Scanner is run, not installed 
+          # NO_CACHE not needed, as SONAR_SSL_FOLDER is setup when the Sonar Scanner is run, not installed
           SONAR_HOST_URL: http://not_actually_used
           SONAR_ROOT_CERT: |
             -----BEGIN CERTIFICATE-----
@@ -840,7 +764,7 @@ jobs:
       - name: Run action a second time with a different SONAR_ROOT_CERT
         uses: ./
         env:
-          # NO_CACHE not needed, as SONAR_SSL_FOLDER is setup when the Sonar Scanner is run, not installed 
+          # NO_CACHE not needed, as SONAR_SSL_FOLDER is setup when the Sonar Scanner is run, not installed
           SONAR_HOST_URL: http://not_actually_used
           SONAR_ROOT_CERT: |
             -----BEGIN CERTIFICATE-----
@@ -873,7 +797,7 @@ jobs:
       - name: Run action a third time
         uses: ./
         env:
-          # NO_CACHE not needed, as SONAR_SSL_FOLDER is setup when the Sonar Scanner is run, not installed 
+          # NO_CACHE not needed, as SONAR_SSL_FOLDER is setup when the Sonar Scanner is run, not installed
           SONAR_HOST_URL: http://not_actually_used
           SONAR_ROOT_CERT: |
             -----BEGIN CERTIFICATE-----

.github/workflows/unit-tests.yml

@@ -0,0 +1,25 @@
+name: Unit tests
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm test

action.yml

@@ -30,32 +30,14 @@ runs:
     #   with:
     #     ref: "jay/js-rewrite"
 
-    - name: Sanity checks
+    - name: Sanity checks & setup
       run: node ./dist/index.js
       shell: bash
       env:
         INPUT_PROJECTBASEDIR: ${{ inputs.projectBaseDir }}
         INPUT_SCANNERVERSION: ${{ inputs.scannerVersion }}
-
-    - name: Load Sonar Scanner CLI from cache
-      id: sonar-scanner-cli
-      uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 #v4.2.4
-      env:
-        # The default value is 60mins. Reaching timeout is treated the same as a cache miss.
-        SEGMENT_DOWNLOAD_TIMEOUT_MINS: 1
-      with:
-        path: ${{ runner.temp }}/sonar-scanner-cli-${{ inputs.scannerVersion }}-${{ runner.os }}-${{ runner.arch }}
-        key: sonar-scanner-cli-${{ inputs.scannerVersion }}-${{ runner.os }}-${{ runner.arch }}
-    - name: Install Sonar Scanner CLI
-      if: ${{ env.NO_CACHE == 'true' || steps.sonar-scanner-cli.outputs.cache-hit != 'true' }}
-      run: ${GITHUB_ACTION_PATH}/scripts/install-sonar-scanner-cli.sh
-      shell: bash
-      env:
-        INPUT_SCANNERVERSION: ${{ inputs.scannerVersion }}
         INPUT_SCANNERBINARIESURL: ${{ inputs.scannerBinariesUrl }}
-    - name: Add SonarScanner CLI to the PATH
-      run: echo "${RUNNER_TEMP}/sonar-scanner-cli-${{ inputs.scannerVersion }}-${{ runner.os }}-${{ runner.arch }}/bin" >> $GITHUB_PATH
-      shell: bash
+
     - name: Run SonarScanner
       run: ${GITHUB_ACTION_PATH}/scripts/run-sonar-scanner.sh
       shell: bash

dist/sanity-checks.js

@@ -1,47 +0,0 @@
-import fs from 'fs';
-import { join } from 'path';
-
-function validateScannerVersion(version) {
-  if (!version) {
-    return;
-  }
-
-  const versionRegex = /^\d+\.\d+\.\d+\.\d+$/;
-  if (!versionRegex.test(version)) {
-    throw new Error(
-      "Invalid scannerVersion format. Expected format: x.y.z.w (e.g., 7.1.0.4889)"
-    );
-  }
-}
-
-function checkSonarToken(core) {
-  if (!process.env.SONAR_TOKEN) {
-    core.warning(
-      "Running this GitHub Action without SONAR_TOKEN is not recommended"
-    );
-  }
-}
-
-function checkMavenProject(core, projectBaseDir) {
-  const pomPath = join(projectBaseDir.replace(/\/$/, ""), "pom.xml");
-  if (fs.existsSync(pomPath)) {
-    core.warning(
-      "Maven project detected. Sonar recommends running the 'org.sonarsource.scanner.maven:sonar-maven-plugin:sonar' goal during the build process instead of using this GitHub Action to get more accurate results."
-    );
-  }
-}
-
-function checkGradleProject(core, projectBaseDir) {
-  const baseDir = projectBaseDir.replace(/\/$/, "");
-  const gradlePath = join(baseDir, "build.gradle");
-  const gradleKtsPath = join(baseDir, "build.gradle.kts");
-
-  if (fs.existsSync(gradlePath) || fs.existsSync(gradleKtsPath)) {
-    core.warning(
-      "Gradle project detected. Sonar recommends using the SonarQube plugin for Gradle during the build process instead of using this GitHub Action to get more accurate results."
-    );
-  }
-}
-
-export { checkGradleProject, checkMavenProject, checkSonarToken, validateScannerVersion };
-//# sourceMappingURL=sanity-checks.js.map

dist/sanity-checks.js.map

@@ -1 +0,0 @@
-{"version":3,"file":"sanity-checks.js","sources":["../src/sanity-checks.js"],"sourcesContent":["import fs from \"fs\";\nimport { join } from \"path\";\n\nexport function validateScannerVersion(version) {\n  if (!version) {\n    return;\n  }\n\n  const versionRegex = /^\\d+\\.\\d+\\.\\d+\\.\\d+$/;\n  if (!versionRegex.test(version)) {\n    throw new Error(\n      \"Invalid scannerVersion format. Expected format: x.y.z.w (e.g., 7.1.0.4889)\"\n    );\n  }\n}\n\nexport function checkSonarToken(core) {\n  if (!process.env.SONAR_TOKEN) {\n    core.warning(\n      \"Running this GitHub Action without SONAR_TOKEN is not recommended\"\n    );\n  }\n}\n\nexport function checkMavenProject(core, projectBaseDir) {\n  const pomPath = join(projectBaseDir.replace(/\\/$/, \"\"), \"pom.xml\");\n  if (fs.existsSync(pomPath)) {\n    core.warning(\n      \"Maven project detected. Sonar recommends running the 'org.sonarsource.scanner.maven:sonar-maven-plugin:sonar' goal during the build process instead of using this GitHub Action to get more accurate results.\"\n    );\n  }\n}\n\nexport function checkGradleProject(core, projectBaseDir) {\n  const baseDir = projectBaseDir.replace(/\\/$/, \"\");\n  const gradlePath = join(baseDir, \"build.gradle\");\n  const gradleKtsPath = join(baseDir, \"build.gradle.kts\");\n\n  if (fs.existsSync(gradlePath) || fs.existsSync(gradleKtsPath)) {\n    core.warning(\n      \"Gradle project detected. Sonar recommends using the SonarQube plugin for Gradle during the build process instead of using this GitHub Action to get more accurate results.\"\n    );\n  }\n}\n"],"names":[],"mappings":";;;AAGO,SAAS,sBAAsB,CAAC,OAAO,EAAE;AAChD,EAAE,IAAI,CAAC,OAAO,EAAE;AAChB,IAAI;AACJ,EAAE;;AAEF,EAAE,MAAM,YAAY,GAAG,sBAAsB;AAC7C,EAAE,IAAI,CAAC,YAAY,CAAC,IAAI,CAAC,OAAO,CAAC,EAAE;AACnC,IAAI,MAAM,IAAI,KAAK;AACnB,MAAM;AACN,KAAK;AACL,EAAE;AACF;;AAEO,SAAS,eAAe,CAAC,IAAI,EAAE;AACtC,EAAE,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,WAAW,EAAE;AAChC,IAAI,IAAI,CAAC,OAAO;AAChB,MAAM;AACN,KAAK;AACL,EAAE;AACF;;AAEO,SAAS,iBAAiB,CAAC,IAAI,EAAE,cAAc,EAAE;AACxD,EAAE,MAAM,OAAO,GAAG,IAAI,CAAC,cAAc,CAAC,OAAO,CAAC,KAAK,EAAE,EAAE,CAAC,EAAE,SAAS,CAAC;AACpE,EAAE,IAAI,EAAE,CAAC,UAAU,CAAC,OAAO,CAAC,EAAE;AAC9B,IAAI,IAAI,CAAC,OAAO;AAChB,MAAM;AACN,KAAK;AACL,EAAE;AACF;;AAEO,SAAS,kBAAkB,CAAC,IAAI,EAAE,cAAc,EAAE;AACzD,EAAE,MAAM,OAAO,GAAG,cAAc,CAAC,OAAO,CAAC,KAAK,EAAE,EAAE,CAAC;AACnD,EAAE,MAAM,UAAU,GAAG,IAAI,CAAC,OAAO,EAAE,cAAc,CAAC;AAClD,EAAE,MAAM,aAAa,GAAG,IAAI,CAAC,OAAO,EAAE,kBAAkB,CAAC;;AAEzD,EAAE,IAAI,EAAE,CAAC,UAAU,CAAC,UAAU,CAAC,IAAI,EAAE,CAAC,UAAU,CAAC,aAAa,CAAC,EAAE;AACjE,IAAI,IAAI,CAAC,OAAO;AAChB,MAAM;AACN,KAAK;AACL,EAAE;AACF;;;;"}

package-lock.json

@@ -13,6 +13,7 @@
         "@actions/github": "6.0.1"
       },
       "devDependencies": {
+        "@actions/tool-cache": "^2.0.2",
         "@rollup/plugin-commonjs": "28.0.6",
         "@rollup/plugin-node-resolve": "16.0.1",
         "mock-fs": "^5.5.0",
@@ -69,6 +70,20 @@
       "integrity": "sha512-wi9JjgKLYS7U/z8PPbco+PvTb/nRWjeoFlJ1Qer83k/3C5PHQi28hiVdeE2kHXmIL99mQFawx8qt/JPjZilJ8Q==",
       "license": "MIT"
     },
+    "node_modules/@actions/tool-cache": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@actions/tool-cache/-/tool-cache-2.0.2.tgz",
+      "integrity": "sha512-fBhNNOWxuoLxztQebpOaWu6WeVmuwa77Z+DxIZ1B+OYvGkGQon6kTVg6Z32Cb13WCuw0szqonK+hh03mJV7Z6w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@actions/core": "^1.11.1",
+        "@actions/exec": "^1.0.0",
+        "@actions/http-client": "^2.0.1",
+        "@actions/io": "^1.1.1",
+        "semver": "^6.1.0"
+      }
+    },
     "node_modules/@fastify/busboy": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/@fastify/busboy/-/busboy-2.1.1.tgz",
@@ -862,6 +877,16 @@
         "fsevents": "~2.3.2"
       }
     },
+    "node_modules/semver": {
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      }
+    },
     "node_modules/supports-preserve-symlinks-flag": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",

package.json

@@ -11,12 +11,13 @@
   "license": "LGPL-3.0-only",
   "dependencies": {
     "@actions/core": "1.11.1",
-    "@actions/github": "6.0.1"
+    "@actions/github": "6.0.1",
+    "@actions/tool-cache": "2.0.2"
   },
   "devDependencies": {
     "@rollup/plugin-commonjs": "28.0.6",
     "@rollup/plugin-node-resolve": "16.0.1",
-    "mock-fs": "^5.5.0",
+    "mock-fs": "5.5.0",
     "rollup": "4.50.1"
   }
 }

src/__tests__/utils.test.js

@@ -0,0 +1,81 @@
+import assert from "node:assert/strict";
+import { describe, it } from "node:test";
+import {
+  getPlatformFlavor,
+  getScannerDownloadURL,
+  scannerDirName,
+} from "../utils.js";
+
+describe("getPlatformFlavor", () => {
+  const supportedPlatforms = [
+    { platform: "linux", arch: "x64", expected: "linux-x64" },
+    { platform: "linux", arch: "arm64", expected: "linux-aarch64" },
+    { platform: "win32", arch: "x64", expected: "windows-x64" },
+    { platform: "darwin", arch: "x64", expected: "macosx-x64" },
+    { platform: "darwin", arch: "arm64", expected: "macosx-aarch64" },
+  ];
+
+  const unsupportedPlatforms = [
+    { platform: "linux", arch: "arm" },
+    { platform: "openbsd", arch: "x64" },
+    { platform: undefined, arch: "x64" },
+    { platform: "linux", arch: undefined },
+    { platform: null, arch: "x64" },
+    { platform: "linux", arch: null },
+  ];
+
+  supportedPlatforms.forEach(({ platform, arch, expected }) => {
+    it(`returns ${expected} for ${platform} ${arch}`, () => {
+      assert.equal(getPlatformFlavor(platform, arch), expected);
+    });
+  });
+
+  unsupportedPlatforms.forEach(({ platform, arch }) => {
+    it(`throws for unsupported platform ${platform} ${arch}`, () => {
+      assert.throws(
+        () => getPlatformFlavor(platform, arch),
+        {
+          message: `Platform ${platform} ${arch} not supported`,
+        },
+        `should have thrown for ${platform} ${arch}`
+      );
+    });
+  });
+});
+
+describe("getScannerDownloadURL", () => {
+  it("generates correct URL without trailing slash", () => {
+    const result = getScannerDownloadURL({
+      scannerBinariesUrl:
+        "https://binaries.sonarsource.com/Distribution/sonar-scanner-cli",
+      scannerVersion: "7.2.0.5079",
+      flavor: "linux-x64",
+    });
+    assert.equal(
+      result,
+      "https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanner-cli-7.2.0.5079-linux-x64.zip"
+    );
+  });
+
+  it("generates correct URL with trailing slash", () => {
+    const result = getScannerDownloadURL({
+      scannerBinariesUrl:
+        "https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/",
+      scannerVersion: "7.2.0.5079",
+      flavor: "linux-x64",
+    });
+    assert.equal(
+      result,
+      "https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanner-cli-7.2.0.5079-linux-x64.zip"
+    );
+  });
+});
+
+describe("scannerDirName", () => {
+  it("handles special characters", () => {
+    assert.equal(
+      scannerDirName("7.2.0-SNAPSHOT", "linux_x64"),
+      "sonar-scanner-7.2.0-SNAPSHOT-linux_x64"
+    );
+  });
+});

src/index.js

@@ -1,19 +1,28 @@
 import * as core from "@actions/core";
+import * as tc from "@actions/tool-cache";
+import * as os from "os";
+import * as path from "path";
 import {
   checkGradleProject,
   checkMavenProject,
   checkSonarToken,
   validateScannerVersion,
 } from "./sanity-checks";
+import {
+  getPlatformFlavor,
+  getScannerDownloadURL,
+  scannerDirName,
+} from "./utils";
+
+const TOOLNAME = "sonar-scanner-cli";
 
 function getInputs() {
   //FIXME: should not rely on ENV vars
   const scannerVersion = process.env.INPUT_SCANNERVERSION; // core.getInput("scannerVersion");
   const projectBaseDir = process.env.INPUT_PROJECTBASEDIR; // core.getInput("projectBaseDir") || ".";
+  const scannerBinariesUrl = process.env.INPUT_SCANNERBINARIESURL; // core.getInput("scannerBinariesUrl");
 
-  console.log("scannerVersion: ", scannerVersion);
-
-  return { scannerVersion, projectBaseDir };
+  return { scannerVersion, projectBaseDir, scannerBinariesUrl };
 }
 
 function runSanityChecks(inputs) {
@@ -30,10 +39,62 @@ function runSanityChecks(inputs) {
   }
 }
 
-function run() {
-  const inputs = getInputs();
+async function installSonarScannerCLI(scannerVersion, scannerBinariesUrl) {
+  const flavor = getPlatformFlavor(os.platform(), os.arch());
 
-  runSanityChecks(inputs);
+  // Check if tool is already cached
+  let toolDir = tc.find(TOOLNAME, scannerVersion, flavor);
+
+  if (!toolDir) {
+    console.log(
+      `Installing Sonar Scanner CLI ${scannerVersion} for ${flavor}...`
+    );
+
+    const downloadUrl = getScannerDownloadURL({
+      scannerBinariesUrl,
+      scannerVersion,
+      flavor,
+    });
+
+    console.log(`Downloading from: ${downloadUrl}`);
+
+    const downloadPath = await tc.downloadTool(downloadUrl);
+    const extractedPath = await tc.extractZip(downloadPath);
+
+    // Find the actual scanner directory inside the extracted folder
+    const scannerPath = path.join(
+      extractedPath,
+      scannerDirName(scannerVersion, flavor)
+    );
+
+    toolDir = await tc.cacheDir(scannerPath, TOOLNAME, scannerVersion, flavor);
+
+    console.log(`Sonar Scanner CLI cached to: ${toolDir}`);
+  } else {
+    console.log(`Using cached Sonar Scanner CLI from: ${toolDir}`);
+  }
+
+  // Add the bin directory to PATH
+  const binDir = path.join(toolDir, "bin");
+  core.addPath(binDir);
+
+  return toolDir;
+}
+
+async function run() {
+  try {
+    const inputs = getInputs();
+    const { scannerVersion, scannerBinariesUrl } = inputs;
+
+    // Run sanity checks first
+    runSanityChecks(inputs);
+
+    // Install Sonar Scanner CLI using @actions/tool-cache
+    await installSonarScannerCLI(scannerVersion, scannerBinariesUrl);
+  } catch (error) {
+    core.setFailed(`Action failed: ${error.message}`);
+    process.exit(1);
+  }
 }
 
 run();

src/utils.js

@@ -0,0 +1,35 @@
+const platformFlavor = {
+  linux: {
+    x64: "linux-x64",
+    arm64: "linux-aarch64",
+  },
+  win32: {
+    x64: "windows-x64",
+  },
+  darwin: {
+    x64: "macosx-x64",
+    arm64: "macosx-aarch64",
+  },
+};
+
+export function getPlatformFlavor(platform, arch) {
+  const flavor = platformFlavor[platform]?.[arch];
+
+  if (!flavor) {
+    throw new Error(`Platform ${platform} ${arch} not supported`);
+  }
+
+  return flavor;
+}
+
+export function getScannerDownloadURL({
+  scannerBinariesUrl,
+  scannerVersion,
+  flavor,
+}) {
+  const trimURL = scannerBinariesUrl.replace(/\/$/, "");
+  return `${trimURL}/sonar-scanner-cli-${scannerVersion}-${flavor}.zip`;
+}
+
+export const scannerDirName = (version, flavor) =>
+  `sonar-scanner-${version}-${flavor}`;