feat: remove support for auto-install Ninja (#258)

* feat: remove support for auto-installing Ninja

* ci: add step for setting up Ninja in `test-action-with-custom-tools` job

* docs: update readme related to auto-install Ninja support removal

.github/workflows/test.yaml

@@ -185,6 +185,9 @@ jobs:
             test
           sparse-checkout-cone-mode: false
 
+      - name: Setup Ninja
+        uses: seanmiddleditch/gha-setup-ninja@v4
+
       - name: Configure, Build, and Test Project
         uses: ./
         with:

README.md

@@ -6,7 +6,6 @@ Configure and build your [CMake](https://cmake.org/) project using [GitHub Actio
 
 - Configures a CMake project using the [`cmake`](https://cmake.org/cmake/help/latest/manual/cmake.1.html) command.
 - Optionally builds a CMake project using the `cmake --build` command.
-- Auto-detects and installs required dependencies.
 - Supports specifying multiple CMake options directly from the action inputs.
 
 ## Usage
@@ -84,6 +83,9 @@ jobs:
 #### Using Ninja as the Generator and Clang as the Compiler
 
 ```yaml
+- name: Setup Ninja
+  uses: seanmiddleditch/gha-setup-ninja@v4
+
 - name: Configure Project
   uses: threeal/cmake-action@v1.3.0
   with:

package.json

@@ -10,8 +10,7 @@
   },
   "dependencies": {
     "@actions/core": "^1.10.1",
-    "@actions/exec": "^1.1.1",
-    "@actions/io": "^1.1.3"
+    "@actions/exec": "^1.1.1"
   },
   "devDependencies": {
     "@jest/globals": "^29.7.0",

src/index.ts

@@ -1,6 +1,5 @@
 import * as core from "@actions/core";
 import { exec } from "@actions/exec";
-import { which } from "@actions/io";
 import { getInputs } from "./inputs.js";
 
 async function main() {
@@ -12,20 +11,6 @@ async function main() {
     configureArgs.push(...["-G", inputs.generator]);
   }
 
-  if (inputs.generator.match(/ninja/gi) && !(await which("ninja"))) {
-    switch (process.platform) {
-      case "linux":
-        await exec("sudo", ["apt", "install", "-y", "ninja-build"]);
-        break;
-      case "darwin":
-        await exec("brew", ["install", "ninja"]);
-        break;
-      case "win32":
-        await exec("choco", ["install", "ninja"]);
-        break;
-    }
-  }
-
   if (inputs.cCompiler) {
     configureArgs.push("-DCMAKE_C_COMPILER=" + inputs.cCompiler);
   }