1 files changed, 58 insertions, 0 deletions
diff --git a/packages/monorepo-scripts/src/remove_tags.ts b/packages/monorepo-scripts/src/remove_tags.ts
new file mode 100644
index 000000000..6d09729c7
--- /dev/null
+++ b/packages/monorepo-scripts/src/remove_tags.ts
@@ -0,0 +1,58 @@
+#!/usr/bin/env node
+
+import lernaGetPackages = require('lerna-get-packages');
+import * as _ from 'lodash';
+import * as path from 'path';
+import { exec as execAsync } from 'promisify-child-process';
+import semverSort = require('semver-sort');
+
+import { constants } from './constants';
+import { Changelog } from './types';
+import { utils } from './utils';
+
+(async () => {
+    const shouldIncludePrivate = true;
+    const updatedPublicLernaPackages = await utils.getUpdatedLernaPackagesAsync(shouldIncludePrivate);
+
+    for (const lernaPackage of updatedPublicLernaPackages) {
+        const packageName = lernaPackage.package.name;
+        const currentVersion = lernaPackage.package.version;
+        const changelogJSONPath = path.join(lernaPackage.location, 'CHANGELOG.json');
+        // Private packages don't have changelogs, and their versions are always incremented
+        // by a patch version.
+        const changelogJSONIfExists = utils.getChangelogJSONIfExists(changelogJSONPath);
+
+        let latestChangelogVersion: string;
+        if (!_.isUndefined(changelogJSONIfExists)) {
+            let changelogs: Changelog[];
+            try {
+                changelogs = JSON.parse(changelogJSONIfExists);
+            } catch (err) {
+                throw new Error(
+                    `${lernaPackage.package.name}'s CHANGELOG.json contains invalid JSON. Please fix and try again.`,
+                );
+            }
+            latestChangelogVersion = changelogs[0].version;
+        } else {
+            latestChangelogVersion = utils.getNextPatchVersion(currentVersion);
+        }
+
+        const sortedVersions = semverSort.desc([latestChangelogVersion, currentVersion]);
+        if (sortedVersions[0] === latestChangelogVersion && latestChangelogVersion !== currentVersion) {
+            const tagName = `${packageName}@${latestChangelogVersion}`;
+            try {
+                await execAsync(`git tag -d ${tagName}`, { cwd: constants.monorepoRootPath });
+                utils.log(`removed tag: ${tagName}`);
+            } catch (err) {
+                if (_.includes(err.message, 'not found')) {
+                    utils.log(`Could not find tag: ${tagName}`);
+                } else {
+                    throw err;
+                }
+            }
+        }
+    }
+})().catch(err => {
+    utils.log(err);
+    process.exit(1);
+});