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Support Mach nominated versions in build.zig.zon

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Mach are using the `mach_zig_version` key as an unofficial way to
signify a required Mach nominated version. It's unclear whether the
compiler will continue to accept this long-term, but at least for now,
it makes sense for us to interpret it.
This commit is contained in:
mlugg
2025-03-11 17:22:29 +00:00
parent 9ac9efd667
commit e1d6dd251f
1 changed files with 62 additions and 41 deletions
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common.js
+62 -41
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@@ -9,6 +9,9 @@ const VERSIONS_JSON = 'https://ziglang.org/download/index.json';
const MACH_VERSIONS_JSON = 'https://pkg.machengine.org/zig/index.json';
const CACHE_PREFIX = "setup-zig-global-cache-";
// Mach uses `mach_zig_version` in `build.zig.zon` to signify Mach nominated versions.
// See: https://github.com/marler8997/anyzig?tab=readme-ov-file#mach-versions-and-download-mirror
const MACH_ZIG_VERSION_REGEX = /\.\s*mach_zig_version\s*=\s*"(.*?)"/;
const MINIMUM_ZIG_VERSION_REGEX = /\.\s*minimum_zig_version\s*=\s*"(.*?)"/;
let _cached_version = null;
@@ -21,14 +24,22 @@ async function getVersion() {
if (raw === '') {
try {
const zon = await fs.promises.readFile('build.zig.zon', 'utf8');
const match = MINIMUM_ZIG_VERSION_REGEX.exec(zon);
// Look for `mach_zig_version` first
let match = MACH_ZIG_VERSION_REGEX.exec(zon);
if (match !== null) {
_cached_version = await getMachVersion(match[1]);
return _cached_version;
}
// Else, look for `mach_zig_version` first
match = MINIMUM_ZIG_VERSION_REGEX.exec(zon);
if (match !== null) {
_cached_version = match[1];
return _cached_version;
}
core.info('Failed to find minimum_zig_version in build.zig.zon (using latest)');
core.info('Failed to find `mach_zig_version` or `minimum_zig_version` in build.zig.zon (using latest)');
} catch (e) {
core.info(`Failed to read build.zig.zon (using latest): ${e}`);
}
@@ -37,47 +48,11 @@ async function getVersion() {
}
if (raw === 'master') {
const resp = await fetch(VERSIONS_JSON);
const versions = await resp.json();
_cached_version = versions['master'].version;
_cached_version = await getMasterVersion();
} else if (raw === 'latest') {
const resp = await fetch(VERSIONS_JSON);
const versions = await resp.json();
let latest = null;
let latest_major;
let latest_minor;
let latest_patch;
for (const version in versions) {
if (version === 'master') continue;
const [major_str, minor_str, patch_str] = version.split('.')
const major = Number(major_str);
const minor = Number(minor_str);
const patch = Number(patch_str);
if (latest === null) {
latest = version;
latest_major = major;
latest_minor = minor;
latest_patch = patch;
continue;
}
if (major > latest_major ||
(major == latest_major && minor > latest_minor) ||
(major == latest_major && minor == latest_minor && patch > latest_patch))
{
latest = version;
latest_major = major;
latest_minor = minor;
latest_patch = patch;
}
}
_cached_version = latest;
_cached_version = await getLatestVersion();
} else if (raw.includes("mach")) {
const resp = await fetch(MACH_VERSIONS_JSON);
const versions = await resp.json();
if (!(raw in versions)) {
throw new Error(`Mach nominated version '${raw}' not found`);
}
_cached_version = versions[raw].version;
_cached_version = await getMachVersion(raw);
} else {
_cached_version = raw;
}
@@ -85,6 +60,52 @@ async function getVersion() {
return _cached_version;
}
async function getMachVersion(raw) {
const resp = await fetch(MACH_VERSIONS_JSON);
const versions = await resp.json();
if (!(raw in versions)) {
throw new Error(`Mach nominated version '${raw}' not found`);
}
return versions[raw].version;
}
async function getMasterVersion() {
const resp = await fetch(VERSIONS_JSON);
const versions = await resp.json();
return versions['master'].version;
}
async function getLatestVersion() {
const resp = await fetch(VERSIONS_JSON);
const versions = await resp.json();
let latest = null;
let latest_major;
let latest_minor;
let latest_patch;
for (const version in versions) {
if (version === 'master') continue;
const [major_str, minor_str, patch_str] = version.split('.')
const major = Number(major_str);
const minor = Number(minor_str);
const patch = Number(patch_str);
if (latest === null) {
latest = version;
latest_major = major;
latest_minor = minor;
latest_patch = patch;
continue;
}
if (major > latest_major ||
(major == latest_major && minor > latest_minor) ||
(major == latest_major && minor == latest_minor && patch > latest_patch))
{
latest = version;
latest_major = major;
latest_minor = minor;
latest_patch = patch;
}
}
return latest;
}
async function getTarballName() {
const version = await getVersion();