mach engine support

* ci: tweak versions matrix

* tweak ifs

* ci: different way to use legacy versions

* clearer test variant name

* fixup! clearer test variant name

* syntax?

.github/workflows/ci.yml

@@ -17,11 +17,23 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        zig-version: [0.7.0, 0.8.0, 0.9.0, 0.10.0, 0.11.0]
+        os: [ubuntu-latest, macos-12, macos-latest, windows-latest]
+        zig-version: [0.11.0, 0.12.0]
+        test-variant: [modern]
         include:
-          - os: ubuntu-latest
-            zig-version: 0.5.0
+          - { os: ubuntu-latest, zig-version: 0.5.0, test-variant: legacy }
+          - { os: ubuntu-latest, zig-version: 0.7.0, test-variant: legacy }
+          - { os: ubuntu-latest, zig-version: 0.8.0, test-variant: legacy }
+          - { os: ubuntu-latest, zig-version: 0.9.0, test-variant: legacy }
+          - { os: ubuntu-latest, zig-version: 0.10.0, test-variant: legacy }
+          - { os: macos-12, zig-version: 0.7.0, test-variant: legacy }
+          - { os: macos-12, zig-version: 0.8.0, test-variant: legacy }
+          - { os: macos-12, zig-version: 0.9.0, test-variant: legacy }
+          - { os: macos-12, zig-version: 0.10.0, test-variant: legacy }
+          - { os: windows-latest, zig-version: 0.7.0, test-variant: legacy }
+          - { os: windows-latest, zig-version: 0.8.0, test-variant: legacy }
+          - { os: windows-latest, zig-version: 0.9.0, test-variant: legacy }
+          - { os: windows-latest, zig-version: 0.10.0, test-variant: legacy }
     runs-on: ${{matrix.os}}
     steps:
       - name: Checkout sources
@@ -31,10 +43,10 @@ jobs:
         with:
           version: ${{matrix.zig-version}}
       - name: Run tests (zig up to v0.10.x)
-        if: ${{ !startsWith(matrix.zig-version, '0.11.') }}
+        if: ${{ matrix.test-variant == 'legacy' }}
         run: zig build test
         working-directory: test/v0.10
       - name: Run tests (zig v0.11.x)
-        if: ${{ startsWith(matrix.zig-version, '0.11.') }}
+        if: ${{ matrix.test-variant == 'modern' }}
         run: zig build test
         working-directory: test/v0.11

flake.lock

@@ -0,0 +1,60 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1714245158,
+        "narHash": "sha256-9P2M0+tf1TE7Z5PwDVwhheuD2mFf6/phPr0Jvl7cxcc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "2b1f64b358f2cab62617f26b3870fd0ee375d848",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixpkgs-unstable",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

index.js

@@ -14,12 +14,17 @@ const {
 
 const TOOL_NAME = 'zig'
 
-async function downloadZig (platform, version, useCache = true) {
+async function downloadZig (arch, platform, version, useCache = true) {
   const ext = extForPlatform(platform)
 
-  const { downloadUrl, variantName, version: useVersion } = version.includes('+')
-    ? resolveCommit(platform, version)
-    : await resolveVersion(platform, version)
+  const {
+    downloadUrl,
+    fileWithoutFileType,
+    variantName,
+    version: useVersion
+  } = version.includes('+')
+    ? resolveCommit(arch, platform, version)
+    : await resolveVersion(arch, platform, version)
 
   const cachedPath = toolCache.find(TOOL_NAME, useVersion)
   if (cachedPath) {
@@ -29,7 +34,7 @@ async function downloadZig (platform, version, useCache = true) {
 
   const cacheKey = `${TOOL_NAME}-${variantName}`
   if (useCache) {
-    const restorePath = path.join(process.env.RUNNER_TOOL_CACHE, TOOL_NAME, useVersion, os.arch())
+    const restorePath = path.join(process.env.RUNNER_TOOL_CACHE, TOOL_NAME, useVersion, arch)
     actions.info(`attempting restore of ${cacheKey} to ${restorePath}`)
     const restoredKey = await cache.restoreCache([restorePath], cacheKey)
     if (restoredKey) {
@@ -44,7 +49,7 @@ async function downloadZig (platform, version, useCache = true) {
     ? await toolCache.extractZip(downloadPath)
     : await toolCache.extractTar(downloadPath, undefined, 'x')
 
-  const binPath = path.join(zigPath, variantName)
+  const binPath = path.join(zigPath, fileWithoutFileType)
   const cachePath = await toolCache.cacheDir(binPath, TOOL_NAME, useVersion)
 
   if (useCache) {
@@ -67,7 +72,7 @@ async function main () {
     return
   }
 
-  const zigPath = await downloadZig(os.platform(), version, useCache === 'true')
+  const zigPath = await downloadZig(os.arch(), os.platform(), version, useCache === 'true')
 
   // Add the `zig` binary to the $PATH
   actions.addPath(zigPath)

package.json

@@ -14,7 +14,7 @@
     "simple-get": "^4.0.0"
   },
   "devDependencies": {
-    "esbuild": "^0.19.0",
+    "esbuild": "^0.20.0",
     "standard": "^17.0.0"
   },
   "homepage": "https://github.com/goto-bus-stop/setup-zig",

test.js

@@ -5,29 +5,72 @@ const {
 } = require('./versions')
 
 async function test () {
-  assert.deepEqual(resolveCommit('linux', '0.6.0+4b48fccad'), {
+  assert.deepEqual(resolveCommit('x64', 'linux', '0.6.0+4b48fccad'), {
     downloadUrl: 'https://ziglang.org/builds/zig-linux-x86_64-0.6.0+4b48fccad.tar.xz',
-    variantName: 'zig-linux-x86_64-0.6.0+4b48fccad',
-    version: '0.6.0+4b48fccad'
+    fileWithoutFileType: 'zig-linux-x86_64-0.6.0+4b48fccad',
+    variantName: 'zig-linux-x86_64-0.6.0',
+    version: '0.6.0'
   })
-  assert.deepEqual(resolveCommit('win32', '0.6.0+4b48fccad'), {
+  assert.deepEqual(resolveCommit('x64', 'win32', '0.6.0+4b48fccad'), {
     downloadUrl: 'https://ziglang.org/builds/zig-windows-x86_64-0.6.0+4b48fccad.zip',
-    variantName: 'zig-windows-x86_64-0.6.0+4b48fccad',
-    version: '0.6.0+4b48fccad'
+    fileWithoutFileType: 'zig-windows-x86_64-0.6.0+4b48fccad',
+    variantName: 'zig-windows-x86_64-0.6.0',
+    version: '0.6.0'
+  })
+  assert.deepEqual(resolveCommit('x64', 'win32', '0.12.0-dev.1092+68ed78775'), {
+    downloadUrl: 'https://ziglang.org/builds/zig-windows-x86_64-0.12.0-dev.1092+68ed78775.zip',
+    fileWithoutFileType: 'zig-windows-x86_64-0.12.0-dev.1092+68ed78775',
+    variantName: 'zig-windows-x86_64-0.12.0-dev.1092',
+    version: '0.12.0-dev.1092'
+  })
+  assert.deepEqual(resolveCommit('x64', 'darwin', '0.12.0-dev.1150+3c22cecee'), {
+    downloadUrl: 'https://ziglang.org/builds/zig-macos-x86_64-0.12.0-dev.1150+3c22cecee.tar.xz',
+    fileWithoutFileType: 'zig-macos-x86_64-0.12.0-dev.1150+3c22cecee',
+    variantName: 'zig-macos-x86_64-0.12.0-dev.1150',
+    version: '0.12.0-dev.1150'
   })
 
-  assert.deepEqual(await resolveVersion('linux', '0.7.0'), {
+  assert.deepEqual(await resolveVersion('x64', 'linux', '0.7.0'), {
     downloadUrl: 'https://ziglang.org/download/0.7.0/zig-linux-x86_64-0.7.0.tar.xz',
     variantName: 'zig-linux-x86_64-0.7.0',
     version: '0.7.0'
   })
-  assert.deepEqual(await resolveVersion('win32', '0.4.0'), {
+  assert.deepEqual(await resolveVersion('x64', 'win32', '0.4.0'), {
     downloadUrl: 'https://ziglang.org/download/0.4.0/zig-windows-x86_64-0.4.0.zip',
     variantName: 'zig-windows-x86_64-0.4.0',
     version: '0.4.0'
   })
-  await assert.doesNotReject(resolveVersion('linux', 'master'))
-  await assert.doesNotReject(resolveVersion('win32', 'master'))
+  assert.deepEqual(await resolveVersion('arm64', 'darwin', '0.11.0'), {
+    downloadUrl: 'https://ziglang.org/download/0.11.0/zig-macos-aarch64-0.11.0.tar.xz',
+    variantName: 'zig-macos-aarch64-0.11.0',
+    version: '0.11.0'
+  })
+  assert.deepEqual(await resolveVersion('arm64', 'darwin', '2024.1.0-mach'), {
+    downloadUrl: 'https://pkg.machengine.org/zig/zig-macos-aarch64-0.12.0-dev.2063+804cee3b9.tar.xz',
+    variantName: 'zig-macos-aarch64-0.12.0-dev.2063',
+    version: '2024.1.0-mach'
+  })
+  assert.deepEqual(await resolveVersion('x64', 'linux', '2024.3.0-mach'), {
+    downloadUrl: 'https://pkg.machengine.org/zig/zig-linux-x86_64-0.12.0-dev.3180+83e578a18.tar.xz',
+    variantName: 'zig-linux-x86_64-0.12.0-dev.3180',
+    version: '2024.3.0-mach'
+  })
+  assert.deepEqual(await resolveVersion('x64', 'win32', '2024.1.0-mach'), {
+    downloadUrl: 'https://pkg.machengine.org/zig/zig-windows-x86_64-0.12.0-dev.2063+804cee3b9.zip',
+    variantName: 'zig-windows-x86_64-0.12.0-dev.2063',
+    version: '2024.1.0-mach'
+  })
+  assert.deepEqual(await resolveVersion('arm64', 'darwin', '2024.3.0-mach'), {
+    downloadUrl: 'https://pkg.machengine.org/zig/zig-macos-aarch64-0.12.0-dev.3180+83e578a18.tar.xz',
+    variantName: 'zig-macos-aarch64-0.12.0-dev.3180',
+    version: '2024.3.0-mach'
+  })
+  await assert.doesNotReject(resolveVersion('x64', 'linux', 'mach-latest'))
+  await assert.doesNotReject(resolveVersion('x64', 'win32', 'mach-latest'))
+  await assert.doesNotReject(resolveVersion('arm64', 'darwin', 'mach-latest'))
+  await assert.doesNotReject(resolveVersion('x64', 'linux', 'master'))
+  await assert.doesNotReject(resolveVersion('x64', 'win32', 'master'))
+  await assert.doesNotReject(resolveVersion('arm64', 'darwin', 'master'))
 }
 
 test().catch((error) => {

versions.js

@@ -10,18 +10,44 @@ function extForPlatform (platform) {
   }[platform]
 }
 
-function resolveCommit (platform, version) {
+/**
+  * resolveCommit resolves a specific commit, so is only used
+  * in cases where the zig version is specified through the use of a plus
+  * sign. It does not require any fetch from an external resource as the
+  * data (downloadUrl, etc) can be resolved directly
+  */
+function resolveCommit (arch, platform, version) {
   const ext = extForPlatform(platform)
-  const addrhost = {
-    linux: 'linux-x86_64',
-    darwin: 'macos-x86_64',
-    win32: 'windows-x86_64'
+  const resolvedOs = {
+    linux: 'linux',
+    darwin: 'macos',
+    win32: 'windows'
   }[platform]
 
-  const downloadUrl = `https://ziglang.org/builds/zig-${addrhost}-${version}.${ext}`
-  const variantName = `zig-${addrhost}-${version}`
+  const resolvedArch = {
+    arm: 'armv7a',
+    arm64: 'aarch64',
+    ppc64: 'powerpc64',
+    riscv64: 'riscv64',
+    x64: 'x86_64'
+  }[arch]
 
-  return { downloadUrl, variantName, version }
+  const downloadUrl = `https://ziglang.org/builds/zig-${resolvedOs}-${resolvedArch}-${version}.${ext}`
+  // This function is only called if the version includes a '+' sign, so mach versions
+  // will not come through here
+  //
+  // Mach builds come from pkg.machengine.org
+  // const machDownloadUrl = `https://pkg.machengine.org/zig/zig-${resolvedOs}-${resolvedArch}-${version}.${ext}`
+  const versionWithoutBuildHash = semver.clean(version)
+  const fileWithoutFileType = `zig-${resolvedOs}-${resolvedArch}-${version}`
+  const variantName = `zig-${resolvedOs}-${resolvedArch}-${versionWithoutBuildHash}`
+
+  return {
+    downloadUrl,
+    fileWithoutFileType,
+    variantName,
+    version: versionWithoutBuildHash
+  }
 }
 
 function getJSON (opts) {
@@ -36,28 +62,57 @@ function getJSON (opts) {
   })
 }
 
-async function resolveVersion (platform, version) {
+/**
+  * resolveVersion resolves a generic commit, so is only used
+  * in cases where the zig version is specified through WITHOUT the use of a plus
+  * sign. It needs to fetch data from the index files provided by zig (or mach)
+  * to determine the appropriate downloadUrl, etc.
+  *
+  * @returns {string} download URL for the version
+  * @returns {string} variant name for the version - should be used as cache key
+  * @returns {string} version name - use for display only
+  */
+async function resolveVersion (arch, platform, version) {
   const ext = extForPlatform(platform)
-  const host = {
-    linux: 'x86_64-linux',
-    darwin: 'x86_64-macos',
-    win32: 'x86_64-windows'
-  }[platform] || platform
+  const resolvedOs = {
+    linux: 'linux',
+    darwin: 'macos',
+    win32: 'windows'
+  }[platform]
 
-  const index = await getJSON({ url: 'https://ziglang.org/download/index.json' })
+  const resolvedArch = {
+    arm: 'armv7a',
+    arm64: 'aarch64',
+    ppc64: 'powerpc64',
+    riscv64: 'riscv64',
+    x64: 'x86_64'
+  }[arch]
 
-  const availableVersions = Object.keys(index)
+  const host = `${resolvedArch}-${resolvedOs}`
+
+  // const index = await getJSON({ url: 'https://ziglang.org/download/index.json' })
+  const machIndex = await getJSON({ url: 'https://machengine.org/zig/index.json' })
+
+  const availableVersions = Object.keys(machIndex)
   const useVersion = semver.valid(version)
     ? semver.maxSatisfying(availableVersions.filter((v) => semver.valid(v)), version)
     : null
 
-  const meta = index[useVersion || version]
+  // The mach index is advertised as a strict superset of the ziglang index,
+  // but we will fall back to the the ziglang index just in case
+  const meta = machIndex[useVersion || version] ||
+    (await getJSON({ url: 'https://ziglang.org/download/index.json' }))[useVersion || version]
+
   if (!meta || !meta[host]) {
     throw new Error(`Could not find version ${useVersion || version} for platform ${host}`)
   }
 
   const downloadUrl = meta[host].tarball
-  const variantName = path.basename(meta[host].tarball).replace(`.${ext}`, '')
+  // If this is mach, we could end up with '+sha...' at the end of this, as
+  // a version of '2024.1.0-mach' will resolve to a specific dev version
+  // So, while the function is not called with "+...", we still have to deal with
+  // it. This is important as it is used as the cache key
+  const variantName = path.basename(meta[host].tarball).replace(`.${ext}`, '').replace(/\+\S*$/, '')
 
   return { downloadUrl, variantName, version: useVersion || version }
 }