From cde1479cb525ed9c93a028634d3a254db39e2715 Mon Sep 17 00:00:00 2001
From: Max Graey <maxgraey@gmail.com>
Date: Wed, 1 Apr 2026 19:35:22 +0300
Subject: [PATCH 1/9] Update & modernize scripts / version.js

---
 scripts/version.js | 62 +++++++++++++++++++++++++---------------------
 1 file changed, 34 insertions(+), 28 deletions(-)

diff --git a/scripts/version.js b/scripts/version.js
index f1269025..41bf254a 100644
--- a/scripts/version.js
+++ b/scripts/version.js
@@ -12,7 +12,7 @@ var src = {
   filter: tag => {
     var match = /^version_(\d+)$/.exec(tag); // see: https://github.com/WebAssembly/binaryen/issues/1156
     return match ? {
-      tag: tag,
+      tag,
       version: match[1] + ".0.0",
     } : null;
   }
@@ -23,41 +23,47 @@ var dst = {
   filter: tag => {
     var match = /^v(\d+\.\d+\.\d+)(?:\-|$)/.exec(tag);
     return match ? {
-      tag: tag,
+      tag,
       version: match[1]
     } : null;
   }
 };
 
-function latest(repo) {
-  return new Promise((resolve, reject) => {
-    repo.git.tags({ "--sort": "-committerdate" }, (err, tags) => {
-      if (err) return reject(err);
-      for (var i = 0; i < tags.all.length; ++i) {
-        var result = repo.filter(tags.all[i]);
-        if (result !== null) {
-          repo.tag = result.tag;
-          repo.version = result.version;
-          return resolve();
-        };
+async function latest(repo) {
+  try {
+    const tags = await repo.git.tags({ "--sort": "-committerdate" });
+    for (let i = 0; i < tags.all.length; i++) {
+      const tag = tags.all[i];
+      const res = repo.filter(tag);
+      if (res !== null) {
+        return res;
       }
-      return reject(Error("no matching tags: " + tags.all.join(", ")));
-    });
-  }).catch(err => {
+    }
+    return { version: null, tag: null };
+  } catch (err) {
     console.error(err.stack);
     process.exit(1);
-  });
+  }
 }
 
-if (process.argv[2] === "tag") {
-  latest(src).then(() => console.log(src.tag));
-} else {
-  latest(src).then(() => {
-    latest(dst).then(() => {
-      if (semver.gt(src.version, dst.version))
-        console.log(src.version);
-      else
-        console.log(src.version + "-nightly." + dateFormat(Date.UTC(), "yyyymmdd"));
-    });
-  });
+async function main() {
+  if (process.argv[2] === "tag") {
+    const { tag } = await latest(src);
+    console.log(tag);
+    return;
+  }
+
+  let { version: srcVer } = await latest(src);
+  let { version: dstVer } = await latest(dst);
+
+  srcVer = semver.clean(srcVer);
+  dstVer = semver.coerce(dstVer);
+
+  if (!dstVer || semver.gt(srcVer, dstVer)) {
+    console.log(srcVer);
+  } else {
+    console.log(`${srcVer}-nightly.${dateFormat(Date.UTC(), "yyyymmdd")}`);
+  }
 }
+
+main();

From e8e95c05affd91843da96238ec3c542f05668d76 Mon Sep 17 00:00:00 2001
From: Max Graey <maxgraey@gmail.com>
Date: Wed, 1 Apr 2026 20:07:59 +0300
Subject: [PATCH 2/9] more dry refactorings

---
 scripts/version.js | 27 ++++++++++-----------------
 1 file changed, 10 insertions(+), 17 deletions(-)

diff --git a/scripts/version.js b/scripts/version.js
index 41bf254a..89dad75a 100644
--- a/scripts/version.js
+++ b/scripts/version.js
@@ -4,30 +4,23 @@ import dateFormat from "dateformat";
 import path from 'path';
 import { fileURLToPath } from 'url';
 
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const resolve = (...args) => path.resolve(__dirname, ...args);
 
-var src = {
-  git: simpleGit(__dirname + "/../binaryen"),
+const createRepo = (path, regex, mapVersion) => ({
+  git: simpleGit(path),
   filter: tag => {
-    var match = /^version_(\d+)$/.exec(tag); // see: https://github.com/WebAssembly/binaryen/issues/1156
+    const match = regex.exec(tag);
     return match ? {
       tag,
-      version: match[1] + ".0.0",
+      version: mapVersion(match),
     } : null;
   }
-};
+});
 
-var dst = {
-  git: simpleGit(__dirname + "/.."),
-  filter: tag => {
-    var match = /^v(\d+\.\d+\.\d+)(?:\-|$)/.exec(tag);
-    return match ? {
-      tag,
-      version: match[1]
-    } : null;
-  }
-};
+// see: https://github.com/WebAssembly/binaryen/issues/1156
+const src = createRepo(resolve('../binaryen'), /^version_(\d+)$/,  ([, maj]) => `${maj}.0.0`);
+const dst = createRepo(resolve('..'), /^v(\d+\.\d+\.\d+)(?:\-|$)/, ([, maj]) => maj);
 
 async function latest(repo) {
   try {

From 4e7f54f43f5d3dc3b8e84745563043b4d6e26aa3 Mon Sep 17 00:00:00 2001
From: Max Graey <maxgraey@gmail.com>
Date: Wed, 1 Apr 2026 20:10:09 +0300
Subject: [PATCH 3/9] clarify

---
 scripts/version.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/version.js b/scripts/version.js
index 89dad75a..a5514a75 100644
--- a/scripts/version.js
+++ b/scripts/version.js
@@ -20,7 +20,7 @@ const createRepo = (path, regex, mapVersion) => ({
 
 // see: https://github.com/WebAssembly/binaryen/issues/1156
 const src = createRepo(resolve('../binaryen'), /^version_(\d+)$/,  ([, maj]) => `${maj}.0.0`);
-const dst = createRepo(resolve('..'), /^v(\d+\.\d+\.\d+)(?:\-|$)/, ([, maj]) => maj);
+const dst = createRepo(resolve('..'), /^v(\d+\.\d+\.\d+)(?:\-|$)/, ([, ver]) => ver);
 
 async function latest(repo) {
   try {

From ffb920156f621b055bb23058fe02bdf4551a7247 Mon Sep 17 00:00:00 2001
From: Max Graey <maxgraey@gmail.com>
Date: Wed, 1 Apr 2026 21:44:16 +0300
Subject: [PATCH 4/9] cleanups

---
 scripts/version.js | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/scripts/version.js b/scripts/version.js
index a5514a75..0fcae6f6 100644
--- a/scripts/version.js
+++ b/scripts/version.js
@@ -13,7 +13,7 @@ const createRepo = (path, regex, mapVersion) => ({
     const match = regex.exec(tag);
     return match ? {
       tag,
-      version: mapVersion(match),
+      version: semver.clean(mapVersion(match)),
     } : null;
   }
 });
@@ -49,9 +49,6 @@ async function main() {
   let { version: srcVer } = await latest(src);
   let { version: dstVer } = await latest(dst);
 
-  srcVer = semver.clean(srcVer);
-  dstVer = semver.coerce(dstVer);
-
   if (!dstVer || semver.gt(srcVer, dstVer)) {
     console.log(srcVer);
   } else {

From 13ada627bc179aa332fac4936579714b673c2c81 Mon Sep 17 00:00:00 2001
From: Max Graey <maxgraey@gmail.com>
Date: Wed, 1 Apr 2026 22:48:38 +0300
Subject: [PATCH 5/9] better

---
 scripts/version.js | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/scripts/version.js b/scripts/version.js
index 0fcae6f6..4289bead 100644
--- a/scripts/version.js
+++ b/scripts/version.js
@@ -7,6 +7,8 @@ import { fileURLToPath } from 'url';
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 const resolve = (...args) => path.resolve(__dirname, ...args);
 
+const MAX_TAGS_LIMIT = 64;
+
 const createRepo = (path, regex, mapVersion) => ({
   git: simpleGit(path),
   filter: tag => {
@@ -19,14 +21,15 @@ const createRepo = (path, regex, mapVersion) => ({
 });
 
 // see: https://github.com/WebAssembly/binaryen/issues/1156
-const src = createRepo(resolve('../binaryen'), /^version_(\d+)$/,  ([, maj]) => `${maj}.0.0`);
+const src = createRepo(resolve('../binaryen'), /^version_(\d+)(?:_.*)?$/, ([, maj]) => `${maj}.0.0`);
 const dst = createRepo(resolve('..'), /^v(\d+\.\d+\.\d+)(?:\-|$)/, ([, ver]) => ver);
 
 async function latest(repo) {
   try {
-    const tags = await repo.git.tags({ "--sort": "-committerdate" });
-    for (let i = 0; i < tags.all.length; i++) {
-      const tag = tags.all[i];
+    const tagsRaw = await repo.git.raw(['tag', '--sort=-v:refname']);
+    const allTags = tagsRaw.split('\n').filter(Boolean).slice(0, MAX_TAGS_LIMIT);
+
+    for (let tag of allTags) {
       const res = repo.filter(tag);
       if (res !== null) {
         return res;

From 0dfcd0454e34329508e539985bfdbcbc8a48738c Mon Sep 17 00:00:00 2001
From: Max Graey <maxgraey@gmail.com>
Date: Wed, 1 Apr 2026 23:17:15 +0300
Subject: [PATCH 6/9] debug (wip)

---
 scripts/version.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/version.js b/scripts/version.js
index 4289bead..1f49bbfb 100644
--- a/scripts/version.js
+++ b/scripts/version.js
@@ -29,6 +29,8 @@ async function latest(repo) {
     const tagsRaw = await repo.git.raw(['tag', '--sort=-v:refname']);
     const allTags = tagsRaw.split('\n').filter(Boolean).slice(0, MAX_TAGS_LIMIT);
 
+    console.log('allTags:\n', allTags);
+
     for (let tag of allTags) {
       const res = repo.filter(tag);
       if (res !== null) {
@@ -52,6 +54,9 @@ async function main() {
   let { version: srcVer } = await latest(src);
   let { version: dstVer } = await latest(dst);
 
+  console.log('srcVer:', srcVer);
+  console.log('dstVer:', dstVer);
+
   if (!dstVer || semver.gt(srcVer, dstVer)) {
     console.log(srcVer);
   } else {

From e123edde100b30b0ab3961b20dfe427f0183864c Mon Sep 17 00:00:00 2001
From: Max Graey <maxgraey@gmail.com>
Date: Wed, 1 Apr 2026 23:39:26 +0300
Subject: [PATCH 7/9] do not normalize via semver.clean

---
 scripts/version.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/version.js b/scripts/version.js
index 1f49bbfb..5121780a 100644
--- a/scripts/version.js
+++ b/scripts/version.js
@@ -15,7 +15,7 @@ const createRepo = (path, regex, mapVersion) => ({
     const match = regex.exec(tag);
     return match ? {
       tag,
-      version: semver.clean(mapVersion(match)),
+      version: mapVersion(match),
     } : null;
   }
 });

From eb871a4a30c85aa70ca710045da50cdce73652a0 Mon Sep 17 00:00:00 2001
From: Max Graey <maxgraey@gmail.com>
Date: Thu, 2 Apr 2026 00:09:23 +0300
Subject: [PATCH 8/9] remove debug entrypoints

---
 scripts/version.js | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/scripts/version.js b/scripts/version.js
index 5121780a..03905bf3 100644
--- a/scripts/version.js
+++ b/scripts/version.js
@@ -29,8 +29,6 @@ async function latest(repo) {
     const tagsRaw = await repo.git.raw(['tag', '--sort=-v:refname']);
     const allTags = tagsRaw.split('\n').filter(Boolean).slice(0, MAX_TAGS_LIMIT);
 
-    console.log('allTags:\n', allTags);
-
     for (let tag of allTags) {
       const res = repo.filter(tag);
       if (res !== null) {
@@ -54,9 +52,6 @@ async function main() {
   let { version: srcVer } = await latest(src);
   let { version: dstVer } = await latest(dst);
 
-  console.log('srcVer:', srcVer);
-  console.log('dstVer:', dstVer);
-
   if (!dstVer || semver.gt(srcVer, dstVer)) {
     console.log(srcVer);
   } else {

From f236916c3d40693fd6da31a0f24fca24842b3880 Mon Sep 17 00:00:00 2001
From: Max Graey <maxgraey@gmail.com>
Date: Thu, 2 Apr 2026 00:37:25 +0300
Subject: [PATCH 9/9] more proper version comparision

---
 scripts/version.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/scripts/version.js b/scripts/version.js
index 03905bf3..9f717fce 100644
--- a/scripts/version.js
+++ b/scripts/version.js
@@ -9,6 +9,13 @@ const resolve = (...args) => path.resolve(__dirname, ...args);
 
 const MAX_TAGS_LIMIT = 64;
 
+function isGreater(a, b) {
+  const cmp = semver.compare(semver.coerce(a), semver.coerce(b));
+  return cmp === 0
+    ? a.includes("nightly") && !b.includes("nightly")
+    : cmp > 0;
+}
+
 const createRepo = (path, regex, mapVersion) => ({
   git: simpleGit(path),
   filter: tag => {
@@ -52,7 +59,7 @@ async function main() {
   let { version: srcVer } = await latest(src);
   let { version: dstVer } = await latest(dst);
 
-  if (!dstVer || semver.gt(srcVer, dstVer)) {
+  if (!dstVer || isGreater(srcVer, dstVer)) {
     console.log(srcVer);
   } else {
     console.log(`${srcVer}-nightly.${dateFormat(Date.UTC(), "yyyymmdd")}`);