Support marking some versions as ignored manually (#48)

Author: ematipico

.github/workflows/update.js

@@ -29,7 +29,11 @@ async function main() {
 async function getMissingVersions() {
   const allVersions = await getAllVersions();
   const existingVersions = await getExistingVersions();
-  return allVersions.filter((v) => !existingVersions.includes(v)).sort();
+  const ignoredVersions = await getIgnoredVersions();
+  const excludedVersions = new Set([...existingVersions, ...ignoredVersions]);
+  return allVersions
+    .filter((v) => !excludedVersions.has(v))
+    .sort();
 }
 
 async function getAllVersions() {
@@ -43,6 +47,15 @@ async function getNodePackageVersions(packageName) {
   return output.versions;
 }
 
+async function getIgnoredVersions() {
+  const ignoreFile = path.join(REPO_DIR, "ignored-versions.txt");
+  const ignores = await fs.readFile(ignoreFile, "utf8");
+  return ignores
+    .split("\n")
+    .map((line) => line.trim())
+    .filter((line) => line && !line.startsWith("#"));
+}
+
 async function getExistingVersions() {
   const existingTags = await git("tag", "--list");
   return existingTags

ignored-versions.txt

@@ -0,0 +1,12 @@
+# This file contains @biomejs/biome versions that should not be mirrored.
+# This is an escape hatch to work around broken upstream releases.
+
+# Lines beginning with a hash sign (like this one) are ignored.
+# Empty lines are ignored.
+
+# Versions SHOULD NOT use `v` prefix, they are NPM package versions (semver).
+
+# https://github.com/biomejs/biome/issues/6435
+2.0.1
+2.0.2
+2.0.3