fix(config): dynamically detect the current branch at runtime

Author: Sunita Prajapati

multi-release.config.js

@@ -1,11 +1,37 @@
+const { execSync } = require('child_process');
+
+// Detect current branch: GITHUB_REF_NAME (Actions) → GITHUB_REF → git
+function getCurrentBranch() {
+  if (process.env.GITHUB_REF_NAME) return process.env.GITHUB_REF_NAME;
+  if (process.env.GITHUB_REF)
+    return process.env.GITHUB_REF.replace('refs/heads/', '');
+  return execSync('git rev-parse --abbrev-ref HEAD').toString().trim();
+}
+
+const currentBranch = getCurrentBranch();
+
+// Sanitize branch name for semver: replace any non-alphanumeric/hyphen char with '-'
+const prerelease = currentBranch
+  .replace(/[^a-zA-Z0-9-]/g, '-')
+  .replace(/^-+|-+$/g, '');
+
+const isStableBranch =
+  currentBranch === 'master' || /^\d+(\.\d+)*\.x$/.test(currentBranch);
+const isBetaBranch = currentBranch === 'beta';
+
+const branches = [
+  'master',
+  { name: '+([0-9])?(.{+([0-9]),x}).x', prerelease: true }, // support branches (e.g., 1.x, 1.2.x)
+  { name: 'beta', prerelease: 'beta' }, // explicit beta channel
+];
+
+// Add current branch explicitly with a sanitized (semver-safe) prerelease identifier
+if (!isStableBranch && !isBetaBranch) {
+  branches.push({ name: currentBranch, prerelease });
+}
+
 module.exports = {
-  branches: [
-    'master',
-    { name: '+([0-9])?(.{+([0-9]),x}).x', prerelease: true }, // support branches (e.g., 1.x, 1.2.x)
-    { name: 'beta', prerelease: true }, // explicit beta channel
-    { name: 'fix/*', prerelease: true }, // fix branches → x.x.x-fix.N
-    { name: 'feat/*', prerelease: true }, // feature branches → x.x.x-feat.N
-  ],
+  branches,
   tagFormat: '${name}-v${version}',
   deps: {
     bump: 'satisfy', // Do not trigger a release for every package if the only change is a minor/patch upgrade of dependencies

release.config.js

@@ -1,11 +1,37 @@
+const { execSync } = require('child_process');
+
+// Detect current branch: GITHUB_REF_NAME (Actions) → GITHUB_REF → git
+function getCurrentBranch() {
+  if (process.env.GITHUB_REF_NAME) return process.env.GITHUB_REF_NAME;
+  if (process.env.GITHUB_REF)
+    return process.env.GITHUB_REF.replace('refs/heads/', '');
+  return execSync('git rev-parse --abbrev-ref HEAD').toString().trim();
+}
+
+const currentBranch = getCurrentBranch();
+
+// Sanitize branch name for semver: replace any non-alphanumeric/hyphen char with '-'
+const prerelease = currentBranch
+  .replace(/[^a-zA-Z0-9-]/g, '-')
+  .replace(/^-+|-+$/g, '');
+
+const isStableBranch =
+  currentBranch === 'master' || /^\d+(\.\d+)*\.x$/.test(currentBranch);
+const isBetaBranch = currentBranch === 'beta';
+
+const branches = [
+  'master',
+  { name: '+([0-9])?(.{+([0-9]),x}).x', prerelease: true }, // support branches (e.g., 1.x, 1.2.x)
+  { name: 'beta', prerelease: 'beta' }, // explicit beta channel
+];
+
+// Add current branch explicitly with a sanitized (semver-safe) prerelease identifier
+if (!isStableBranch && !isBetaBranch) {
+  branches.push({ name: currentBranch, prerelease });
+}
+
 module.exports = {
-  branches: [
-    'master',
-    { name: '+([0-9])?(.{+([0-9]),x}).x', prerelease: true }, // support branches (e.g., 1.x, 1.2.x)
-    { name: 'beta', prerelease: true }, // explicit beta channel
-    { name: 'fix/*', prerelease: true }, // fix branches → x.x.x-fix.N
-    { name: 'feat/*', prerelease: true }, // feature branches → x.x.x-feat.N
-  ],
+  branches,
   tagFormat: '${name}-v${version}',
   plugins: [
     ['@semantic-release/commit-analyzer', { preset: 'conventionalcommits' }],