fix: revert .licensed.yml change and set http-client license to mit

Agent-Logs-Url: https://github.com/actions/setup-dotnet/sessions/df77fea2-a442-4d42-9d49-a8617aa773a8

.github/workflows/e2e-tests.yml

@@ -495,7 +495,7 @@ jobs:
   test-proxy:
     runs-on: ubuntu-22.04
     container:
-      image: ubuntu:22.04
+      image: mcr.microsoft.com/devcontainers/dotnet:10.0
       options: --dns 127.0.0.1
     services:
       squid-proxy:
@@ -508,15 +508,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v6
-      - name: Install Powershell
-        run: |
-          apt-get update
-          apt-get install -y wget apt-transport-https software-properties-common
-          wget -q "https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/packages-microsoft-prod.deb"
-          dpkg -i packages-microsoft-prod.deb
-          rm packages-microsoft-prod.deb
-          apt-get update
-          apt-get install -y powershell
       - name: Clear toolcache
         shell: pwsh
         run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
@@ -623,3 +614,38 @@ jobs:
       - name: Verify dotnet
         shell: pwsh
         run: __tests__/verify-dotnet.ps1 -Patterns "^9\.0"
+
+  test-setup-with-architecture-input:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+        arch: [x64, arm64]
+        exclude:
+          - os: windows-latest
+            arch: arm64
+          - os: ubuntu-latest
+            arch: arm64
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+
+      - name: Setup dotnet (${{ matrix.arch }})
+        uses: ./
+        with:
+          dotnet-version: |
+            8.0.416
+            8.0.x
+            9.0.308
+            10.0.101
+          architecture: ${{ matrix.arch }}
+
+      - name: Verify dotnet
+        shell: pwsh
+        run: __tests__/verify-dotnet.ps1 -Patterns "^8.0.416$", "^9.0.308$", "^10.0.101$", "^8.0"

.licenses/npm/@actions/cache.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@actions/cache"
-version: 5.0.1
+version: 5.0.5
 type: npm
 summary: Actions cache lib
 homepage: https://github.com/actions/toolkit/tree/main/packages/cache

.licenses/npm/@actions/core-1.11.1.dep.yml

@@ -1,20 +0,0 @@
----
-name: "@actions/core"
-version: 1.11.1
-type: npm
-summary: Actions core lib
-homepage: https://github.com/actions/toolkit/tree/main/packages/core
-license: mit
-licenses:
-- sources: LICENSE.md
-  text: |-
-    The MIT License (MIT)
-
-    Copyright 2019 GitHub
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-notices: []

.licenses/npm/@actions/core.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@actions/core"
-version: 2.0.1
+version: 2.0.3
 type: npm
 summary: Actions core lib
 homepage: https://github.com/actions/toolkit/tree/main/packages/core

.licenses/npm/@actions/exec-1.1.1.dep.yml

@@ -1,20 +0,0 @@
----
-name: "@actions/exec"
-version: 1.1.1
-type: npm
-summary: Actions exec lib
-homepage: https://github.com/actions/toolkit/tree/main/packages/exec
-license: mit
-licenses:
-- sources: LICENSE.md
-  text: |-
-    The MIT License (MIT)
-
-    Copyright 2019 GitHub
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-notices: []

.licenses/npm/@actions/github.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@actions/github"
-version: 6.0.0
+version: 6.0.1
 type: npm
 summary: Actions github lib
 homepage: https://github.com/actions/toolkit/tree/main/packages/github

.licenses/npm/@actions/glob.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@actions/glob"
-version: 0.5.0
+version: 0.5.1
 type: npm
 summary: Actions glob lib
 homepage: https://github.com/actions/toolkit/tree/main/packages/glob

.licenses/npm/@actions/http-client-3.0.2.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@actions/http-client"
-version: 3.0.0
+version: 3.0.2
 type: npm
 summary: Actions Http Client
 homepage: https://github.com/actions/toolkit/tree/main/packages/http-client

.licenses/npm/@actions/io-1.1.3.dep.yml

@@ -1,20 +0,0 @@
----
-name: "@actions/io"
-version: 1.1.3
-type: npm
-summary: Actions io lib
-homepage: https://github.com/actions/toolkit/tree/main/packages/io
-license: mit
-licenses:
-- sources: LICENSE.md
-  text: |-
-    The MIT License (MIT)
-
-    Copyright 2019 GitHub
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-notices: []

.licenses/npm/@octokit/openapi-types-19.0.2.dep.yml

@@ -1,20 +0,0 @@
----
-name: "@octokit/openapi-types"
-version: 19.0.2
-type: npm
-summary: Generated TypeScript definitions based on GitHub's OpenAPI spec for api.github.com
-homepage:
-license: mit
-licenses:
-- sources: LICENSE
-  text: |-
-    Copyright 2020 Gregor Martynus
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-- sources: README.md
-  text: "[MIT](LICENSE)"
-notices: []

.licenses/npm/@octokit/plugin-rest-endpoint-methods.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: "@octokit/plugin-rest-endpoint-methods"
-version: 10.1.5
+version: 10.4.1
 type: npm
 summary: Octokit plugin adding one method for all of api.github.com REST API endpoints
 homepage:

.licenses/npm/@octokit/types-12.3.0.dep.yml

@@ -1,20 +0,0 @@
----
-name: "@octokit/types"
-version: 12.3.0
-type: npm
-summary: Shared TypeScript definitions for Octokit projects
-homepage:
-license: mit
-licenses:
-- sources: LICENSE
-  text: |
-    MIT License Copyright (c) 2019 Octokit contributors
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice (including the next paragraph) shall be included in all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-- sources: README.md
-  text: "[MIT](LICENSE)"
-notices: []

.licenses/npm/brace-expansion.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: brace-expansion
-version: 1.1.12
+version: 1.1.13
 type: npm
 summary: Brace expansion as known from sh/bash
 homepage: https://github.com/juliangruber/brace-expansion

.licenses/npm/fast-xml-builder.dep.yml

@@ -1,8 +1,8 @@
 ---
-name: strnum
-version: 1.0.5
+name: fast-xml-builder
+version: 1.1.4
 type: npm
-summary: Parse String to Number based on configuration
+summary: Build XML from JSON without C/C++ based libraries
 homepage:
 license: mit
 licenses:
@@ -10,7 +10,7 @@ licenses:
   text: |
     MIT License
 
-    Copyright (c) 2021 Natural Intelligence
+    Copyright (c) 2026 Natural Intelligence
 
     Permission is hereby granted, free of charge, to any person obtaining a copy
     of this software and associated documentation files (the "Software"), to deal

.licenses/npm/fast-xml-parser.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: fast-xml-parser
-version: 4.4.1
+version: 5.5.11
 type: npm
 summary: Validate XML, Parse XML, Build XML without C/C++ based libraries
 homepage:

.licenses/npm/minimatch.dep.yml

@@ -1,9 +1,9 @@
 ---
 name: minimatch
-version: 3.1.2
+version: 3.1.5
 type: npm
 summary: a glob matcher in javascript
-homepage: 
+homepage:
 license: isc
 licenses:
 - sources: LICENSE

.licenses/npm/path-expression-matcher.dep.yml

@@ -0,0 +1,32 @@
+---
+name: path-expression-matcher
+version: 1.4.0
+type: npm
+summary: Efficient path tracking and pattern matching for XML/JSON parsers
+homepage: https://github.com/NaturalIntelligence/path-expression-matcher#readme
+license: mit
+licenses:
+- sources: LICENSE
+  text: |
+    MIT License
+
+    Copyright (c) 2024
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+notices: []

.licenses/npm/strnum.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: strnum
-version: 2.1.2
+version: 2.2.3
 type: npm
 summary: Parse String to Number based on configuration
 homepage:

.licenses/npm/undici-6.24.1.dep.yml

@@ -1,16 +1,16 @@
 ---
-name: fast-xml-parser
-version: 5.3.3
+name: undici
+version: 6.24.1
 type: npm
-summary: Validate XML, Parse XML, Build XML without C/C++ based libraries
-homepage:
+summary: An HTTP/1.1 client, written from scratch for Node.js
+homepage: https://undici.nodejs.org
 license: mit
 licenses:
 - sources: LICENSE
   text: |
     MIT License
 
-    Copyright (c) 2017 Amit Kumar Gupta
+    Copyright (c) Matteo Collina and Undici contributors
 
     Permission is hereby granted, free of charge, to any person obtaining a copy
     of this software and associated documentation files (the "Software"), to deal
@@ -30,8 +30,5 @@ licenses:
     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     SOFTWARE.
 - sources: README.md
-  text: |-
-    * MIT License
-
-    ![Donate $5](static/img/donation_quote.png)
+  text: MIT
 notices: []

README.md

@@ -59,6 +59,23 @@ The `dotnet-version` input supports following syntax:
 - **A.B.Cxx** (e.g. 8.0.4xx) - available since `.NET 5.0` release. Installs the latest version of the specific SDK release, including prerelease versions (preview, rc). 
 
 
+## Using the `architecture` input
+Using the architecture input, it is possible to specify the required .NET SDK architecture. Possible values:  `x64`, `x86`, `arm64`, `amd64`, `arm`, `s390x`, `ppc64le`, `riscv64`. If the input is not specified, the architecture defaults to the host OS architecture (not all of the architectures are available on all platforms).
+
+**Example: Install multiple SDK versions for a specific architecture**
+```yml
+steps:
+- uses: actions/checkout@v6
+- name: Setup dotnet (x86)
+  uses: actions/setup-dotnet@v5
+  with:
+    dotnet-version: |
+      8.0.x
+      9.0.x
+    architecture: x86
+- run: dotnet build <my project>
+```
+
 ## Using the `dotnet-quality` input
 This input sets up the action to install the latest build of the specified quality in the channel. The possible values of `dotnet-quality` are: **daily**, **signed**, **validated**, **preview**, **ga**.
 

__tests__/installer.test.ts

@@ -2,6 +2,7 @@ import each from 'jest-each';
 import semver from 'semver';
 import fs from 'fs';
 import fspromises from 'fs/promises';
+import os from 'os';
 import * as exec from '@actions/exec';
 import * as core from '@actions/core';
 import * as io from '@actions/io';
@@ -327,6 +328,143 @@ describe('installer tests', () => {
           );
         });
       }
+
+      it(`should supply 'architecture' argument to the installation script when architecture is provided`, async () => {
+        const inputVersion = '10.0.101';
+        const inputQuality = '' as QualityOptions;
+        const inputArchitecture = 'x64';
+        const stdout = `Fictitious dotnet version ${inputVersion} is installed`;
+
+        getExecOutputSpy.mockImplementation(() => {
+          return Promise.resolve({
+            exitCode: 0,
+            stdout: `${stdout}`,
+            stderr: ''
+          });
+        });
+        maxSatisfyingSpy.mockImplementation(() => inputVersion);
+
+        const dotnetInstaller = new installer.DotnetCoreInstaller(
+          inputVersion,
+          inputQuality,
+          inputArchitecture
+        );
+
+        await dotnetInstaller.installDotnet();
+
+        const callIndex = 1;
+        const scriptArguments = (
+          getExecOutputSpy.mock.calls[callIndex][1] as string[]
+        ).join(' ');
+        const expectedArgument = IS_WINDOWS
+          ? `-Architecture ${inputArchitecture}`
+          : `--architecture ${inputArchitecture}`;
+
+        expect(scriptArguments).toContain(expectedArgument);
+      });
+
+      it(`should NOT supply 'architecture' argument when architecture is not provided`, async () => {
+        const inputVersion = '10.0.101';
+        const inputQuality = '' as QualityOptions;
+        const stdout = `Fictitious dotnet version ${inputVersion} is installed`;
+
+        getExecOutputSpy.mockImplementation(() => {
+          return Promise.resolve({
+            exitCode: 0,
+            stdout: `${stdout}`,
+            stderr: ''
+          });
+        });
+        maxSatisfyingSpy.mockImplementation(() => inputVersion);
+
+        const dotnetInstaller = new installer.DotnetCoreInstaller(
+          inputVersion,
+          inputQuality
+        );
+
+        await dotnetInstaller.installDotnet();
+
+        const callIndex = 1;
+        const scriptArguments = (
+          getExecOutputSpy.mock.calls[callIndex][1] as string[]
+        ).join(' ');
+
+        expect(scriptArguments).not.toContain('--architecture');
+        expect(scriptArguments).not.toContain('-Architecture');
+      });
+
+      it(`should supply 'install-dir' with arch subdirectory for cross-arch install`, async () => {
+        const inputVersion = '10.0.101';
+        const inputQuality = '' as QualityOptions;
+        const inputArchitecture = 'x64';
+        const stdout = `Fictitious dotnet version ${inputVersion} is installed`;
+
+        getExecOutputSpy.mockImplementation(() => {
+          return Promise.resolve({
+            exitCode: 0,
+            stdout: `${stdout}`,
+            stderr: ''
+          });
+        });
+        maxSatisfyingSpy.mockImplementation(() => inputVersion);
+
+        // Mock os.arch() to return a different arch to simulate cross-arch
+        const archSpy = jest.spyOn(os, 'arch').mockReturnValue('arm64');
+
+        const dotnetInstaller = new installer.DotnetCoreInstaller(
+          inputVersion,
+          inputQuality,
+          inputArchitecture
+        );
+
+        await dotnetInstaller.installDotnet();
+
+        const callIndex = 1;
+        const scriptArguments = (
+          getExecOutputSpy.mock.calls[callIndex][1] as string[]
+        ).join(' ');
+
+        const expectedInstallDirFlag = IS_WINDOWS
+          ? '-InstallDir'
+          : '--install-dir';
+
+        expect(scriptArguments).toContain(expectedInstallDirFlag);
+        expect(scriptArguments).toContain(inputArchitecture);
+
+        archSpy.mockRestore();
+      });
+
+      it(`should NOT supply 'install-dir' when architecture matches runner's native arch`, async () => {
+        const inputVersion = '10.0.101';
+        const inputQuality = '' as QualityOptions;
+        const nativeArch = os.arch().toLowerCase();
+        const stdout = `Fictitious dotnet version ${inputVersion} is installed`;
+
+        getExecOutputSpy.mockImplementation(() => {
+          return Promise.resolve({
+            exitCode: 0,
+            stdout: `${stdout}`,
+            stderr: ''
+          });
+        });
+        maxSatisfyingSpy.mockImplementation(() => inputVersion);
+
+        const dotnetInstaller = new installer.DotnetCoreInstaller(
+          inputVersion,
+          inputQuality,
+          nativeArch
+        );
+
+        await dotnetInstaller.installDotnet();
+
+        const callIndex = 1;
+        const scriptArguments = (
+          getExecOutputSpy.mock.calls[callIndex][1] as string[]
+        ).join(' ');
+
+        expect(scriptArguments).not.toContain('--install-dir');
+        expect(scriptArguments).not.toContain('-InstallDir');
+      });
     });
 
     describe('addToPath() tests', () => {
@@ -346,6 +484,32 @@ describe('installer tests', () => {
     });
   });
 
+  describe('normalizeArch() tests', () => {
+    it(`should normalize 'amd64' to 'x64'`, () => {
+      expect(installer.normalizeArch('amd64')).toBe('x64');
+    });
+
+    it(`should normalize 'AMD64' to 'x64' (case-insensitive)`, () => {
+      expect(installer.normalizeArch('AMD64')).toBe('x64');
+    });
+
+    it(`should pass through 'x64' unchanged`, () => {
+      expect(installer.normalizeArch('x64')).toBe('x64');
+    });
+
+    it(`should pass through 'arm64' unchanged`, () => {
+      expect(installer.normalizeArch('arm64')).toBe('arm64');
+    });
+
+    it(`should lowercase 'ARM64'`, () => {
+      expect(installer.normalizeArch('ARM64')).toBe('arm64');
+    });
+
+    it(`should pass through 'x86' unchanged`, () => {
+      expect(installer.normalizeArch('x86')).toBe('x86');
+    });
+  });
+
   describe('DotnetVersionResolver tests', () => {
     describe('createDotnetVersion() tests', () => {
       each([

__tests__/setup-dotnet.test.ts

@@ -2,7 +2,7 @@ import * as core from '@actions/core';
 import fs from 'fs';
 import semver from 'semver';
 import * as auth from '../src/authutil';
-
+import os from 'os';
 import * as setup from '../src/setup-dotnet';
 import {DotnetCoreInstaller, DotnetInstallDir} from '../src/installer';
 import * as cacheUtils from '../src/cache-utils';
@@ -221,5 +221,40 @@ describe('setup-dotnet tests', () => {
       await setup.run();
       expect(restoreCacheSpy).not.toHaveBeenCalled();
     });
+
+    it('should pass valid architecture input to DotnetCoreInstaller', async () => {
+      inputs['dotnet-version'] = ['10.0.101'];
+      inputs['dotnet-quality'] = '';
+      inputs['architecture'] = os.arch().toLowerCase();
+
+      installDotnetSpy.mockImplementation(() => Promise.resolve(''));
+
+      await setup.run();
+      expect(installDotnetSpy).toHaveBeenCalledTimes(1);
+      expect(DotnetInstallDir.addToPath).toHaveBeenCalledTimes(1);
+    });
+
+    it('should work with empty architecture input for auto-detection', async () => {
+      inputs['dotnet-version'] = ['10.0.101'];
+      inputs['dotnet-quality'] = '';
+      inputs['architecture'] = '';
+
+      installDotnetSpy.mockImplementation(() => Promise.resolve(''));
+
+      await setup.run();
+      expect(installDotnetSpy).toHaveBeenCalledTimes(1);
+      expect(DotnetInstallDir.addToPath).toHaveBeenCalledTimes(1);
+    });
+
+    it('should fail the action if unsupported architecture is provided', async () => {
+      inputs['dotnet-version'] = ['10.0.101'];
+      inputs['dotnet-quality'] = '';
+      inputs['architecture'] = 'x688';
+
+      const expectedErrorMessage = `Value 'x688' is not supported for the 'architecture' option. Supported values are: x64, x86, arm64, amd64, arm, s390x, ppc64le, riscv64.`;
+
+      await setup.run();
+      expect(setFailedSpy).toHaveBeenCalledWith(expectedErrorMessage);
+    });
   });
 });

action.yml

@@ -27,6 +27,9 @@ inputs:
   workloads:
     description: 'Optional SDK workloads to install for additional platform support. Examples: wasm-tools, maui, aspire.'
     required: false
+  architecture:
+    description: 'Optional architecture for the .NET install. Supported values: x64, x86, arm64, amd64, arm, s390x, ppc64le, riscv64. If not set, the installer auto-detects the current system architecture.'
+    required: false
 outputs:
   cache-hit:
     description: 'A boolean value to indicate if a cache was hit.'

package-lock.json

@@ -9,14 +9,14 @@
       "version": "5.0.1",
       "license": "MIT",
       "dependencies": {
-        "@actions/cache": "^5.0.1",
-        "@actions/core": "^2.0.0",
+        "@actions/cache": "^5.0.5",
+        "@actions/core": "^2.0.3",
         "@actions/exec": "^2.0.0",
         "@actions/github": "^6.0.0",
-        "@actions/glob": "^0.5.0",
-        "@actions/http-client": "^3.0.0",
-        "@actions/io": "^1.0.2",
-        "fast-xml-parser": "^4.4.1",
+        "@actions/glob": "^0.5.1",
+        "@actions/http-client": "^3.0.2",
+        "@actions/io": "^2.0.0",
+        "fast-xml-parser": "^5.5.11",
         "json5": "^2.2.3",
         "semver": "^7.6.0"
       },
@@ -54,14 +54,15 @@
       }
     },
     "node_modules/@actions/cache": {
-      "version": "5.0.1",
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       "license": "MIT",
       "dependencies": {
-        "balanced-match": "^1.0.0"
+        "balanced-match": "^4.0.2"
+      },
+      "engines": {
+        "node": "18 || 20 || >=22"
       }
     },
     "node_modules/@typescript-eslint/type-utils/node_modules/minimatch": {
-      "version": "9.0.5",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.5.tgz",
-      "integrity": "sha512-G6T0ZX48xgozx7587koeX9Ys2NYy6Gmv//P89sEte9V9whIapMNF4idKxnW2QtCcLiTWlb/wfCabAtAFWhhBow==",
+      "version": "9.0.8",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.8.tgz",
+      "integrity": "sha512-reYkDYtj/b19TeqbNZCV4q9t+Yxylf/rYBsLb42SXJatTv4/ylq5lEiAmhA/IToxO7NI2UzNMghHoHuaqDkAjw==",
       "dev": true,
       "license": "ISC",
       "dependencies": {
-        "brace-expansion": "^2.0.1"
+        "brace-expansion": "^5.0.2"
       },
       "engines": {
         "node": ">=16 || 14 >=14.17"
@@ -2471,24 +2445,37 @@
         "typescript": ">=4.8.4 <6.0.0"
       }
     },
+    "node_modules/@typescript-eslint/typescript-estree/node_modules/balanced-match": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-4.0.4.tgz",
+      "integrity": "sha512-BLrgEcRTwX2o6gGxGOCNyMvGSp35YofuYzw9h1IMTRmKqttAZZVU67bdb9Pr2vUHA8+j3i2tJfjO6C6+4myGTA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "18 || 20 || >=22"
+      }
+    },
     "node_modules/@typescript-eslint/typescript-estree/node_modules/brace-expansion": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
-      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.5.tgz",
+      "integrity": "sha512-VZznLgtwhn+Mact9tfiwx64fA9erHH/MCXEUfB/0bX/6Fz6ny5EGTXYltMocqg4xFAQZtnO3DHWWXi8RiuN7cQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "balanced-match": "^1.0.0"
+        "balanced-match": "^4.0.2"
+      },
+      "engines": {
+        "node": "18 || 20 || >=22"
       }
     },
     "node_modules/@typescript-eslint/typescript-estree/node_modules/minimatch": {
-      "version": "9.0.5",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.5.tgz",
-      "integrity": "sha512-G6T0ZX48xgozx7587koeX9Ys2NYy6Gmv//P89sEte9V9whIapMNF4idKxnW2QtCcLiTWlb/wfCabAtAFWhhBow==",
+      "version": "9.0.8",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.8.tgz",
+      "integrity": "sha512-reYkDYtj/b19TeqbNZCV4q9t+Yxylf/rYBsLb42SXJatTv4/ylq5lEiAmhA/IToxO7NI2UzNMghHoHuaqDkAjw==",
       "dev": true,
       "license": "ISC",
       "dependencies": {
-        "brace-expansion": "^2.0.1"
+        "brace-expansion": "^5.0.2"
       },
       "engines": {
         "node": ">=16 || 14 >=14.17"
@@ -2625,10 +2612,11 @@
       }
     },
     "node_modules/ajv": {
-      "version": "6.12.6",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
-      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "version": "6.14.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.14.0.tgz",
+      "integrity": "sha512-IWrosm/yrn43eiKqkfkHis7QioDleaXQHdDVPKg0FSwwd/DuvyX79TZnFOnYpB7dcsFAMmtFztZuXPDvSePkFw==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -2835,9 +2823,10 @@
       "integrity": "sha512-NzUnlZexiaH/46WDhANlyR2bXRopNg4F/zuSA3OpZnllCUgRaOF2znDioDWrmbNVsuZk6l9pMquQB38cfBZwkQ=="
     },
     "node_modules/brace-expansion": {
-      "version": "1.1.12",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.12.tgz",
-      "integrity": "sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==",
+      "version": "1.1.13",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.13.tgz",
+      "integrity": "sha512-9ZLprWS6EENmhEOpjCYW2c8VkmOvckIJZfkr7rBW6dObmfgJ/L1GpSYW5Hpo9lDz4D1+n0Ckz8rU7FwHDQiG/w==",
+      "license": "MIT",
       "dependencies": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -3627,22 +3616,36 @@
       "integrity": "sha512-DCXu6Ifhqcks7TZKY3Hxp3y6qphY5SJZmrWMDrKcERSOXWQdMhU9Ig/PYrzyw/ul9jOIyh0N4M0tbC5hodg8dw==",
       "dev": true
     },
-    "node_modules/fast-xml-parser": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.4.1.tgz",
-      "integrity": "sha512-xkjOecfnKGkSsOwtZ5Pz7Us/T6mrbPQrq0nh+aCO5V9nk5NLWmasAHumTKjiPJPWANe+kAZ84Jc8ooJkzZ88Sw==",
+    "node_modules/fast-xml-builder": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/fast-xml-builder/-/fast-xml-builder-1.1.4.tgz",
+      "integrity": "sha512-f2jhpN4Eccy0/Uz9csxh3Nu6q4ErKxf0XIsasomfOihuSUa3/xw6w8dnOtCDgEItQFJG8KyXPzQXzcODDrrbOg==",
       "funding": [
         {
           "type": "github",
           "url": "https://github.com/sponsors/NaturalIntelligence"
-        },
-        {
-          "type": "paypal",
-          "url": "https://paypal.me/naturalintelligence"
         }
       ],
+      "license": "MIT",
       "dependencies": {
-        "strnum": "^1.0.5"
+        "path-expression-matcher": "^1.1.3"
+      }
+    },
+    "node_modules/fast-xml-parser": {
+      "version": "5.5.11",
+      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-5.5.11.tgz",
+      "integrity": "sha512-QL0eb0YbSTVWF6tTf1+LEMSgtCEjBYPpnAjoLC8SscESlAjXEIRJ7cHtLG0pLeDFaZLa4VKZLArtA/60ZS7vyA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/NaturalIntelligence"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "fast-xml-builder": "^1.1.4",
+        "path-expression-matcher": "^1.4.0",
+        "strnum": "^2.2.3"
       },
       "bin": {
         "fxparser": "src/cli/cli.js"
@@ -3721,10 +3724,11 @@
       }
     },
     "node_modules/flatted": {
-      "version": "3.2.9",
-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.2.9.tgz",
-      "integrity": "sha512-36yxDn5H7OFZQla0/jFJmbIKTdZAQHngCedGxiMmpNfEZM0sdEeT+WczLQrjK6D7o2aiyLYDnkw0R3JK0Qv1RQ==",
-      "dev": true
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.4.2.tgz",
+      "integrity": "sha512-PjDse7RzhcPkIJwy5t7KPWQSZ9cAbzQXcafsetQoD7sOJRQlGikNbx7yZp2OotDnJyrDcbyRq3Ttb18iYOqkxA==",
+      "dev": true,
+      "license": "ISC"
     },
     "node_modules/fs.realpath": {
       "version": "1.0.0",
@@ -4965,9 +4969,10 @@
       }
     },
     "node_modules/minimatch": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
-      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.5.tgz",
+      "integrity": "sha512-VgjWUsnnT6n+NUk6eZq77zeFdpW2LWDzP6zFGrCbHXiYNul5Dzqk2HHQ5uFH2DNW5Xbp8+jVzaeNt94ssEEl4w==",
+      "license": "ISC",
       "dependencies": {
         "brace-expansion": "^1.1.7"
       },
@@ -5143,6 +5148,21 @@
         "node": ">=8"
       }
     },
+    "node_modules/path-expression-matcher": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/path-expression-matcher/-/path-expression-matcher-1.4.0.tgz",
+      "integrity": "sha512-s4DQMxIdhj3jLFWd9LxHOplj4p9yQ4ffMGowFf3cpEgrrJjEhN0V5nxw4Ye1EViAGDoL4/1AeO6qHpqYPOzE4Q==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/NaturalIntelligence"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
@@ -5184,10 +5204,11 @@
       "dev": true
     },
     "node_modules/picomatch": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
-      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.2.tgz",
+      "integrity": "sha512-V7+vQEJ06Z+c5tSye8S+nHUfI51xoXIXjHQ99cQtKUkQqqO1kO/KCJUfZXuB47h/YBlDhah2H3hdUGXn8ie0oA==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=8.6"
       },
@@ -5696,9 +5717,16 @@
       }
     },
     "node_modules/strnum": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/strnum/-/strnum-1.0.5.tgz",
-      "integrity": "sha512-J8bbNyKKXl5qYcR36TIO8W3mVGVHrmmxsd5PAItGkmyzwJvybiw2IVq5nqd0i4LSNSkB/sx9VHllbfFdr9k1JA=="
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/strnum/-/strnum-2.2.3.tgz",
+      "integrity": "sha512-oKx6RUCuHfT3oyVjtnrmn19H1SiCqgJSg+54XqURKp5aCMbrXrhLjRN9TjuwMjiYstZ0MzDrHqkGZ5dFTKd+zg==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/NaturalIntelligence"
+        }
+      ],
+      "license": "MIT"
     },
     "node_modules/supports-color": {
       "version": "7.2.0",

package.json

@@ -29,14 +29,14 @@
   "author": "GitHub",
   "license": "MIT",
   "dependencies": {
-    "@actions/cache": "^5.0.1",
-    "@actions/core": "^2.0.0",
+    "@actions/cache": "^5.0.5",
+    "@actions/core": "^2.0.3",
     "@actions/exec": "^2.0.0",
     "@actions/github": "^6.0.0",
-    "@actions/glob": "^0.5.0",
-    "@actions/http-client": "^3.0.0",
-    "@actions/io": "^1.0.2",
-    "fast-xml-parser": "^4.4.1",
+    "@actions/glob": "^0.5.1",
+    "@actions/http-client": "^3.0.2",
+    "@actions/io": "^2.0.0",
+    "fast-xml-parser": "^5.5.11",
     "json5": "^2.2.3",
     "semver": "^7.6.0"
   },

src/installer.ts

@@ -184,6 +184,16 @@ export class DotnetInstallScript {
     return this;
   }
 
+  // When architecture is empty/undefined, the installer auto-detects the current runner architecture.
+  public useArchitecture(architecture?: string) {
+    if (!architecture) return this;
+    this.useArguments(
+      IS_WINDOWS ? '-Architecture' : '--architecture',
+      architecture
+    );
+    return this;
+  }
+
   public useVersion(dotnetVersion: DotnetVersion, quality?: QualityOptions) {
     if (dotnetVersion.type) {
       this.useArguments(dotnetVersion.type, dotnetVersion.value);
@@ -250,6 +260,17 @@ export abstract class DotnetInstallDir {
   }
 }
 
+export function normalizeArch(arch: string): string {
+  switch (arch.toLowerCase()) {
+    case 'amd64':
+      return 'x64';
+    case 'ia32':
+      return 'x86';
+    default:
+      return arch.toLowerCase();
+  }
+}
+
 export class DotnetCoreInstaller {
   static {
     DotnetInstallDir.setEnvironmentVariable();
@@ -257,18 +278,30 @@ export class DotnetCoreInstaller {
 
   constructor(
     private version: string,
-    private quality: QualityOptions
+    private quality: QualityOptions,
+    private architecture?: string
   ) {}
 
   public async installDotnet(): Promise<string | null> {
     const versionResolver = new DotnetVersionResolver(this.version);
     const dotnetVersion = await versionResolver.createDotnetVersion();
 
+    const architectureArguments =
+      this.architecture &&
+      normalizeArch(this.architecture) !== normalizeArch(os.arch())
+        ? [
+            IS_WINDOWS ? '-InstallDir' : '--install-dir',
+            IS_WINDOWS
+              ? `"${path.join(DotnetInstallDir.dirPath, this.architecture)}"`
+              : path.join(DotnetInstallDir.dirPath, this.architecture)
+          ]
+        : [];
     /**
-     * Install dotnet runitme first in order to get
+     * Install dotnet runtime first in order to get
      * the latest stable version of dotnet CLI
      */
     const runtimeInstallOutput = await new DotnetInstallScript()
+      .useArchitecture(this.architecture)
       // If dotnet CLI is already installed - avoid overwriting it
       .useArguments(
         IS_WINDOWS ? '-SkipNonVersionedFiles' : '--skip-non-versioned-files'
@@ -277,6 +310,7 @@ export class DotnetCoreInstaller {
       .useArguments(IS_WINDOWS ? '-Runtime' : '--runtime', 'dotnet')
       // Use latest stable version
       .useArguments(IS_WINDOWS ? '-Channel' : '--channel', 'LTS')
+      .useArguments(...architectureArguments)
       .execute();
 
     if (runtimeInstallOutput.exitCode) {
@@ -294,12 +328,14 @@ export class DotnetCoreInstaller {
      * dotnet CLI
      */
     const dotnetInstallOutput = await new DotnetInstallScript()
+      .useArchitecture(this.architecture)
       // Don't overwrite CLI because it should be already installed
       .useArguments(
         IS_WINDOWS ? '-SkipNonVersionedFiles' : '--skip-non-versioned-files'
       )
       // Use version provided by user
       .useVersion(dotnetVersion, this.quality)
+      .useArguments(...architectureArguments)
       .execute();
 
     if (dotnetInstallOutput.exitCode) {

src/setup-dotnet.ts

@@ -1,9 +1,14 @@
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
-import {DotnetCoreInstaller, DotnetInstallDir} from './installer';
+import {
+  DotnetCoreInstaller,
+  DotnetInstallDir,
+  normalizeArch
+} from './installer';
 import * as fs from 'fs';
 import path from 'path';
 import semver from 'semver';
+import os from 'os';
 import * as auth from './authutil';
 import {isCacheFeatureAvailable} from './cache-utils';
 import {restoreCache} from './cache-restore';
@@ -17,6 +22,17 @@ const qualityOptions = [
   'preview',
   'ga'
 ] as const;
+const supportedArchitectures = [
+  'x64',
+  'x86',
+  'arm64',
+  'amd64',
+  'arm',
+  's390x',
+  'ppc64le',
+  'riscv64'
+] as const;
+type SupportedArchitecture = (typeof supportedArchitectures)[number];
 
 export type QualityOptions = (typeof qualityOptions)[number];
 
@@ -33,6 +49,7 @@ export async function run() {
     //
     const versions = core.getMultilineInput('dotnet-version');
     const installedDotnetVersions: (string | null)[] = [];
+    const architecture = getArchitectureInput();
 
     const globalJsonFileInput = core.getInput('global-json-file');
     if (globalJsonFileInput) {
@@ -70,10 +87,23 @@ export async function run() {
       let dotnetInstaller: DotnetCoreInstaller;
       const uniqueVersions = new Set<string>(versions);
       for (const version of uniqueVersions) {
-        dotnetInstaller = new DotnetCoreInstaller(version, quality);
+        dotnetInstaller = new DotnetCoreInstaller(
+          version,
+          quality,
+          architecture
+        );
         const installedVersion = await dotnetInstaller.installDotnet();
         installedDotnetVersions.push(installedVersion);
       }
+      if (
+        architecture &&
+        normalizeArch(architecture) !== normalizeArch(os.arch())
+      ) {
+        process.env['DOTNET_INSTALL_DIR'] = path.join(
+          DotnetInstallDir.dirPath,
+          architecture
+        );
+      }
       DotnetInstallDir.addToPath();
 
       const workloadsInput = core.getInput('workloads');
@@ -119,6 +149,20 @@ export async function run() {
   }
 }
 
+function getArchitectureInput(): SupportedArchitecture | '' {
+  const raw = (core.getInput('architecture') || '').trim();
+  if (!raw) return '';
+  const normalized = raw.toLowerCase();
+  if ((supportedArchitectures as readonly string[]).includes(normalized)) {
+    return normalizeArch(normalized) as SupportedArchitecture;
+  }
+  throw new Error(
+    `Value '${raw}' is not supported for the 'architecture' option. Supported values are: ${supportedArchitectures.join(
+      ', '
+    )}.`
+  );
+}
+
 function getVersionFromGlobalJson(globalJsonPath: string): string {
   let version = '';
   const globalJson = JSON5.parse(