Bump @types/node from 22.7.5 to 22.9.0 (#301)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/example-builds.yml

@@ -27,6 +27,13 @@ jobs:
         exclude:
           - os: macOS-latest
             julia-arch: x86
+        include:
+          - os: macOS-latest
+            julia-arch: aarch64
+            julia-version: 'lts'
+          - os: macOS-latest
+            julia-arch: aarch64
+            julia-version: '1'
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/pr_checks.yml

@@ -71,7 +71,7 @@ jobs:
       ### Clean (not cleanall!):
       - run: make clean
       ### Make sure there are no uncommited changes
-      - uses: julia-actions/setup-julia@780022b48dfc0c2c6b94cfee6a9284850107d037
+      - uses: julia-actions/setup-julia@9b79636afcfb07ab02c256cede01fe2db6ba808c # v2.6.0
         with:
           version: '1'
       - run: git --no-pager status
@@ -214,7 +214,7 @@ jobs:
       # - run: npm install --package-lock-only
       - run: npm install
       ### Make sure there are no uncommited changes
-      - uses: julia-actions/setup-julia@780022b48dfc0c2c6b94cfee6a9284850107d037
+      - uses: julia-actions/setup-julia@9b79636afcfb07ab02c256cede01fe2db6ba808c # v2.6.0
         with:
           version: '1'
       - run: git --no-pager status

README.md

@@ -122,6 +122,7 @@ You can either specify specific Julia versions or version ranges. If you specify
 - `'~1.3.0-rc1'` is a **tilde** version range that includes pre-releases of `1.3.0` starting at `rc1`. It matches all versions `≥ 1.3.0-rc1` and `< 1.4.0`.
 - `'^1.3.0-0'` is a **caret** version range that includes _all_ pre-releases of `1.3.0`. It matches all versions `≥ 1.3.0-` and `< 2.0.0`.
 - `'~1.3.0-0'` is a **tilde** version range that includes _all_ pre-releases of `1.3.0`. It matches all versions `≥ 1.3.0-` and `< 1.4.0`.
+- `'1'` will install the latest v1 version of Julia.
 - `'lts'` will install the latest LTS build.
 - `'pre'` will install the latest prerelease build (RCs, betas, and alphas).
 - `'nightly'` will install the latest nightly build.
@@ -193,12 +194,18 @@ jobs:
     strategy:
       matrix:
         julia-version: ['1.0', '1.2.0', '^1.3.0-rc1']
-        julia-arch: [x64, x86]
+        julia-arch: [x64, x86, aarch64]
         os: [ubuntu-latest, windows-latest, macOS-latest]
-        # 32-bit Julia binaries are not available on macOS
+        # exclude unavailable/unwanted architectures
         exclude:
           - os: macOS-latest
             julia-arch: x86
+          - os: macOS-latest
+            julia-arch: x64 # can be run but via rosetta on apple silicon runners
+          - os: ubuntu-latest
+            julia-arch: aarch64
+          - os: windows-latest
+            julia-arch: aarch64
 
     steps:
       - uses: actions/checkout@v4

__tests__/installer.test.ts

@@ -26,8 +26,8 @@ const testVersions = [
     '1.7.0', '1.7.0-beta1', '1.7.0-beta2', '1.7.0-beta3', '1.7.0-beta4', '1.7.0-rc1', '1.7.0-rc2', '1.7.0-rc3', '1.7.1', '1.7.2', '1.7.3',
     '1.8.0', '1.8.0-beta1', '1.8.0-beta2', '1.8.0-beta3', '1.8.0-rc1', '1.8.0-rc2', '1.8.0-rc3', '1.8.0-rc4', '1.8.1', '1.8.2', '1.8.3', '1.8.4', '1.8.5',
     '1.9.0', '1.9.0-alpha1', '1.9.0-beta1', '1.9.0-beta2', '1.9.0-beta3', '1.9.0-beta4', '1.9.0-rc1', '1.9.0-rc2', '1.9.0-rc3', '1.9.1', '1.9.2', '1.9.3', '1.9.4',
-    '1.10.0', '1.10.0-alpha1', '1.10.0-beta1', '1.10.0-beta2', '1.10.0-beta3', '1.10.0-rc1', '1.10.0-rc2', '1.10.0-rc3', '1.10.1', '1.10.2',
-    '1.11.0-alpha1', '1.11.0-alpha2', '1.11.0-beta1'
+    '1.10.0', '1.10.0-alpha1', '1.10.0-beta1', '1.10.0-beta2', '1.10.0-beta3', '1.10.0-rc1', '1.10.0-rc2', '1.10.0-rc3', '1.10.1', '1.10.2', '1.10.3', '1.10.4', '1.10.5',
+    '1.11.0', '1.11.0-alpha1', '1.11.0-alpha2', '1.11.0-beta1', '1.11.0-beta2', '1.11.0-rc1', '1.11.0-rc2', '1.11.0-rc3', '1.11.0-rc4',
 ]
 
 const toolDir = path.join(__dirname, 'runner', 'tools')
@@ -187,30 +187,30 @@ describe('version matching tests', () => {
 
         it('LTS', () => {
             // Update test when LTS is updated
-            expect(installer.getJuliaVersion(testVersions, 'lts')).toEqual(installer.getJuliaVersion(testVersions, '1.6'))
-            expect(installer.getJuliaVersion(testVersions, 'lts')).toEqual('1.6.7')
+            expect(installer.getJuliaVersion(testVersions, 'lts')).toEqual(installer.getJuliaVersion(testVersions, '1.10'))
+            expect(installer.getJuliaVersion(testVersions, 'lts')).toEqual('1.10.5')
         })
 
         it('pre', () => {
-            expect(installer.getJuliaVersion(testVersions, 'pre')).toEqual('1.11.0-beta1')
+            expect(installer.getJuliaVersion(testVersions, 'pre')).toEqual('1.11.0')
         })
     })
 
     describe('version ranges', () => {
         it('Chooses the highest available version that matches the input', () => {
-            expect(installer.getJuliaVersion(testVersions, '1')).toEqual('1.10.2')
+            expect(installer.getJuliaVersion(testVersions, '1')).toEqual('1.11.0')
             expect(installer.getJuliaVersion(testVersions, '1.0')).toEqual('1.0.5')
-            expect(installer.getJuliaVersion(testVersions, '^1.3.0-rc1')).toEqual('1.10.2')
-            expect(installer.getJuliaVersion(testVersions, '^1.2.0-rc1')).toEqual('1.10.2')
-            expect(installer.getJuliaVersion(testVersions, '^1.10.0-rc1')).toEqual('1.10.2')
+            expect(installer.getJuliaVersion(testVersions, '^1.3.0-rc1')).toEqual('1.11.0')
+            expect(installer.getJuliaVersion(testVersions, '^1.2.0-rc1')).toEqual('1.11.0')
+            expect(installer.getJuliaVersion(testVersions, '^1.10.0-rc1')).toEqual('1.11.0')
         })
     })
 
     describe('include-prereleases', () => {
         it('Chooses the highest available version that matches the input including prereleases', () => {
-            expect(installer.getJuliaVersion(testVersions, '^1.2.0-0', true)).toEqual('1.11.0-beta1')
-            expect(installer.getJuliaVersion(testVersions, '1', true)).toEqual('1.11.0-beta1')
-            expect(installer.getJuliaVersion(testVersions, '^1.2.0-0', false)).toEqual('1.10.2')
+            expect(installer.getJuliaVersion(testVersions, '^1.2.0-0', true)).toEqual('1.11.0')
+            expect(installer.getJuliaVersion(testVersions, '1', true)).toEqual('1.11.0')
+            expect(installer.getJuliaVersion(testVersions, '^1.2.0-0', false)).toEqual('1.11.0')
         })
     })
 

lib/installer.js

@@ -52,7 +52,7 @@ const path = __importStar(require("path"));
 const retry = require("async-retry");
 const semver = __importStar(require("semver"));
 const toml = __importStar(require("toml"));
-const LTS_VERSION = '1.6';
+const LTS_VERSION = '1.10';
 const MAJOR_VERSION = '1'; // Could be deduced from versions.json
 // Translations between actions input and Julia arch names
 const osMap = {

lib/setup-julia.js

@@ -46,6 +46,7 @@ const installer = __importStar(require("./installer"));
 const archSynonyms = {
     'x86': 'x86',
     'x64': 'x64',
+    'x86_64': 'x64',
     'aarch64': 'aarch64',
     'arm64': 'aarch64'
 };
@@ -87,6 +88,9 @@ function run() {
             if (!originalArchInput) { // if `originalArchInput` is an empty string
                 throw new Error(`Arch input must not be null`);
             }
+            if (originalArchInput == 'x64' && os.platform() == 'darwin' && os.arch() == 'arm64') {
+                core.warning('[setup-julia] x64 arch has been requested on a macOS runner that has an arm64 (Apple Silicon) architecture. You may have meant to use the "aarch64" arch instead (or left it unspecified for the correct default).');
+            }
             let processedArchInput;
             if (originalArchInput == "default") {
                 // If the user sets the `arch` input to `default`, then we use the

package-lock.json

@@ -7,7 +7,7 @@
       "name": "setup-julia",
       "license": "MIT",
       "dependencies": {
-        "@actions/core": "^1.10.1",
+        "@actions/core": "^1.11.1",
         "@actions/exec": "^1.1.1",
         "@actions/io": "^1.1.3",
         "@actions/tool-cache": "^2.0.1",
@@ -16,27 +16,27 @@
         "toml": "^3.0.0"
       },
       "devDependencies": {
-        "@types/async-retry": "^1.4.8",
-        "@types/jest": "^29.5.12",
-        "@types/node": "^22.5.1",
+        "@types/async-retry": "^1.4.9",
+        "@types/jest": "^29.5.14",
+        "@types/node": "^22.9.0",
         "@types/retry": "^0.12.5",
         "@types/semver": "^7.5.8",
-        "@vercel/ncc": "^0.38.1",
+        "@vercel/ncc": "^0.38.2",
         "jest": "^29.7.0",
         "jest-circus": "^29.7.0",
         "nock": "^13.5.4",
         "prettier": "^3.3.3",
         "ts-jest": "^29.2.5",
-        "typescript": "^5.5.4"
+        "typescript": "^5.6.3"
       }
     },
     "node_modules/@actions/core": {
-      "version": "1.10.1",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.10.1.tgz",
-      "integrity": "sha512-3lBR9EDAY+iYIpTnTIXmWcNbX3T2kCkAEQGIQx4NVQ0575nk2k3GRZDTPQG+vVtS2izSLmINlxXf0uLtnrTP+g==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.11.1.tgz",
+      "integrity": "sha512-hXJCSrkwfA46Vd9Z3q4cpEpHB1rL5NG04+/rbqW9d3+CSvtB1tYe8UTpAlixa1vj0m/ULglfEK2UKxMGxCxv5A==",
       "dependencies": {
-        "@actions/http-client": "^2.0.1",
-        "uuid": "^8.3.2"
+        "@actions/exec": "^1.1.1",
+        "@actions/http-client": "^2.0.1"
       }
     },
     "node_modules/@actions/exec": {
@@ -1057,9 +1057,9 @@
       }
     },
     "node_modules/@types/async-retry": {
-      "version": "1.4.8",
-      "resolved": "https://registry.npmjs.org/@types/async-retry/-/async-retry-1.4.8.tgz",
-      "integrity": "sha512-Qup/B5PWLe86yI5I3av6ePGaeQrIHNKCwbsQotD6aHQ6YkHsMUxVZkZsmx/Ry3VZQ6uysHwTjQ7666+k6UjVJA==",
+      "version": "1.4.9",
+      "resolved": "https://registry.npmjs.org/@types/async-retry/-/async-retry-1.4.9.tgz",
+      "integrity": "sha512-s1ciZQJzRh3708X/m3vPExr5KJlzlZJvXsKpbtE2luqNcbROr64qU+3KpJsYHqWMeaxI839OvXf9PrUSw1Xtyg==",
       "dev": true,
       "dependencies": {
         "@types/retry": "*"
@@ -1140,9 +1140,9 @@
       }
     },
     "node_modules/@types/jest": {
-      "version": "29.5.12",
-      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-29.5.12.tgz",
-      "integrity": "sha512-eDC8bTvT/QhYdxJAulQikueigY5AsdBRH2yDKW3yveW7svY3+DzN84/2NUgkw10RTiJbWqZrTtoGVdYlvFJdLw==",
+      "version": "29.5.14",
+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-29.5.14.tgz",
+      "integrity": "sha512-ZN+4sdnLUbo8EVvVc2ao0GFW6oVrQRPn4K2lglySj7APvSrgzxHiNNK99us4WDMi57xxA2yggblIAMNhXOotLQ==",
       "dev": true,
       "dependencies": {
         "expect": "^29.0.0",
@@ -1150,12 +1150,12 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "22.5.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.5.1.tgz",
-      "integrity": "sha512-KkHsxej0j9IW1KKOOAA/XBA0z08UFSrRQHErzEfA3Vgq57eXIMYboIlHJuYIfd+lwCQjtKqUu3UnmKbtUc9yRw==",
+      "version": "22.9.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.9.0.tgz",
+      "integrity": "sha512-vuyHg81vvWA1Z1ELfvLko2c8f34gyA0zaic0+Rllc5lbCnbSyuvb2Oxpm6TAUAC/2xZN3QGqxBNggD1nNR2AfQ==",
       "dev": true,
       "dependencies": {
-        "undici-types": "~6.19.2"
+        "undici-types": "~6.19.8"
       }
     },
     "node_modules/@types/retry": {
@@ -1192,9 +1192,9 @@
       "dev": true
     },
     "node_modules/@vercel/ncc": {
-      "version": "0.38.1",
-      "resolved": "https://registry.npmjs.org/@vercel/ncc/-/ncc-0.38.1.tgz",
-      "integrity": "sha512-IBBb+iI2NLu4VQn3Vwldyi2QwaXt5+hTyh58ggAMoCGE6DJmPvwL3KPBWcJl1m9LYPChBLE980Jw+CS4Wokqxw==",
+      "version": "0.38.2",
+      "resolved": "https://registry.npmjs.org/@vercel/ncc/-/ncc-0.38.2.tgz",
+      "integrity": "sha512-3yel3jaxUg9pHBv4+KeC9qlbdZPug+UMtUOlhvpDYCMSgcNSrS2Hv1LoqMsOV7hf2lYscx+BESfJOIla1WsmMQ==",
       "dev": true,
       "bin": {
         "ncc": "dist/ncc/cli.js"
@@ -3661,9 +3661,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.5.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
+      "version": "5.6.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
+      "integrity": "sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -3720,14 +3720,6 @@
         "browserslist": ">= 4.21.0"
       }
     },
-    "node_modules/uuid": {
-      "version": "8.3.2",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
-      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
-      "bin": {
-        "uuid": "dist/bin/uuid"
-      }
-    },
     "node_modules/v8-to-istanbul": {
       "version": "9.3.0",
       "resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-9.3.0.tgz",
@@ -3859,12 +3851,12 @@
   },
   "dependencies": {
     "@actions/core": {
-      "version": "1.10.1",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.10.1.tgz",
-      "integrity": "sha512-3lBR9EDAY+iYIpTnTIXmWcNbX3T2kCkAEQGIQx4NVQ0575nk2k3GRZDTPQG+vVtS2izSLmINlxXf0uLtnrTP+g==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.11.1.tgz",
+      "integrity": "sha512-hXJCSrkwfA46Vd9Z3q4cpEpHB1rL5NG04+/rbqW9d3+CSvtB1tYe8UTpAlixa1vj0m/ULglfEK2UKxMGxCxv5A==",
       "requires": {
-        "@actions/http-client": "^2.0.1",
-        "uuid": "^8.3.2"
+        "@actions/exec": "^1.1.1",
+        "@actions/http-client": "^2.0.1"
       }
     },
     "@actions/exec": {
@@ -4653,9 +4645,9 @@
       }
     },
     "@types/async-retry": {
-      "version": "1.4.8",
-      "resolved": "https://registry.npmjs.org/@types/async-retry/-/async-retry-1.4.8.tgz",
-      "integrity": "sha512-Qup/B5PWLe86yI5I3av6ePGaeQrIHNKCwbsQotD6aHQ6YkHsMUxVZkZsmx/Ry3VZQ6uysHwTjQ7666+k6UjVJA==",
+      "version": "1.4.9",
+      "resolved": "https://registry.npmjs.org/@types/async-retry/-/async-retry-1.4.9.tgz",
+      "integrity": "sha512-s1ciZQJzRh3708X/m3vPExr5KJlzlZJvXsKpbtE2luqNcbROr64qU+3KpJsYHqWMeaxI839OvXf9PrUSw1Xtyg==",
       "dev": true,
       "requires": {
         "@types/retry": "*"
@@ -4736,9 +4728,9 @@
       }
     },
     "@types/jest": {
-      "version": "29.5.12",
-      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-29.5.12.tgz",
-      "integrity": "sha512-eDC8bTvT/QhYdxJAulQikueigY5AsdBRH2yDKW3yveW7svY3+DzN84/2NUgkw10RTiJbWqZrTtoGVdYlvFJdLw==",
+      "version": "29.5.14",
+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-29.5.14.tgz",
+      "integrity": "sha512-ZN+4sdnLUbo8EVvVc2ao0GFW6oVrQRPn4K2lglySj7APvSrgzxHiNNK99us4WDMi57xxA2yggblIAMNhXOotLQ==",
       "dev": true,
       "requires": {
         "expect": "^29.0.0",
@@ -4746,12 +4738,12 @@
       }
     },
     "@types/node": {
-      "version": "22.5.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.5.1.tgz",
-      "integrity": "sha512-KkHsxej0j9IW1KKOOAA/XBA0z08UFSrRQHErzEfA3Vgq57eXIMYboIlHJuYIfd+lwCQjtKqUu3UnmKbtUc9yRw==",
+      "version": "22.9.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.9.0.tgz",
+      "integrity": "sha512-vuyHg81vvWA1Z1ELfvLko2c8f34gyA0zaic0+Rllc5lbCnbSyuvb2Oxpm6TAUAC/2xZN3QGqxBNggD1nNR2AfQ==",
       "dev": true,
       "requires": {
-        "undici-types": "~6.19.2"
+        "undici-types": "~6.19.8"
       }
     },
     "@types/retry": {
@@ -4788,9 +4780,9 @@
       "dev": true
     },
     "@vercel/ncc": {
-      "version": "0.38.1",
-      "resolved": "https://registry.npmjs.org/@vercel/ncc/-/ncc-0.38.1.tgz",
-      "integrity": "sha512-IBBb+iI2NLu4VQn3Vwldyi2QwaXt5+hTyh58ggAMoCGE6DJmPvwL3KPBWcJl1m9LYPChBLE980Jw+CS4Wokqxw==",
+      "version": "0.38.2",
+      "resolved": "https://registry.npmjs.org/@vercel/ncc/-/ncc-0.38.2.tgz",
+      "integrity": "sha512-3yel3jaxUg9pHBv4+KeC9qlbdZPug+UMtUOlhvpDYCMSgcNSrS2Hv1LoqMsOV7hf2lYscx+BESfJOIla1WsmMQ==",
       "dev": true
     },
     "ansi-escapes": {
@@ -6579,9 +6571,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "5.5.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
+      "version": "5.6.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
+      "integrity": "sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==",
       "dev": true
     },
     "undici": {
@@ -6608,11 +6600,6 @@
         "picocolors": "^1.0.1"
       }
     },
-    "uuid": {
-      "version": "8.3.2",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
-      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
-    },
     "v8-to-istanbul": {
       "version": "9.3.0",
       "resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-9.3.0.tgz",

package.json

@@ -20,7 +20,7 @@
   "author": "Sascha Mann <git@mail.saschamann.eu>",
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.10.1",
+    "@actions/core": "^1.11.1",
     "@actions/exec": "^1.1.1",
     "@actions/io": "^1.1.3",
     "@actions/tool-cache": "^2.0.1",
@@ -29,17 +29,17 @@
     "toml": "^3.0.0"
   },
   "devDependencies": {
-    "@types/async-retry": "^1.4.8",
-    "@types/jest": "^29.5.12",
-    "@types/node": "^22.5.1",
+    "@types/async-retry": "^1.4.9",
+    "@types/jest": "^29.5.14",
+    "@types/node": "^22.9.0",
     "@types/retry": "^0.12.5",
     "@types/semver": "^7.5.8",
-    "@vercel/ncc": "^0.38.1",
+    "@vercel/ncc": "^0.38.2",
     "jest": "^29.7.0",
     "jest-circus": "^29.7.0",
     "nock": "^13.5.4",
     "prettier": "^3.3.3",
     "ts-jest": "^29.2.5",
-    "typescript": "^5.5.4"
+    "typescript": "^5.6.3"
   }
 }

src/installer.ts

@@ -11,7 +11,7 @@ import retry = require('async-retry')
 import * as semver from 'semver'
 import * as toml from 'toml'
 
-const LTS_VERSION = '1.6'
+const LTS_VERSION = '1.10'
 const MAJOR_VERSION = '1' // Could be deduced from versions.json
 
 // Translations between actions input and Julia arch names

src/setup-julia.ts

@@ -15,6 +15,7 @@ import * as installer from './installer'
 const archSynonyms = {
     'x86': 'x86',
     'x64': 'x64',
+    'x86_64': 'x64',
     'aarch64': 'aarch64',
     'arm64': 'aarch64'
 }
@@ -61,6 +62,10 @@ async function run() {
             throw new Error(`Arch input must not be null`)
         }
 
+        if (originalArchInput == 'x64' && os.platform() == 'darwin' && os.arch() == 'arm64') {
+            core.warning('[setup-julia] x64 arch has been requested on a macOS runner that has an arm64 (Apple Silicon) architecture. You may have meant to use the "aarch64" arch instead (or left it unspecified for the correct default).')
+        }
+
         let processedArchInput: string;
         if (originalArchInput == "default") {
             // If the user sets the `arch` input to `default`, then we use the