Fix/rollback tag (#1059)

* fix: delete remote tag in case push of commit has failed

* docs: add .nvmrc file

Author: cakeinpanic

Diff for: .nvmrc

@@ -0,0 +1 @@
+16

Diff for: lib/plugin/git/Git.js

@@ -56,8 +56,11 @@ class Git extends GitBase {
     const { tagName } = this.config.getContext();
     const { isCommitted, isTagged } = this.getContext();
     if (isTagged) {
+      this.log.info(`Deleting local tag ${tagName}`);
       this.exec(`git tag --delete ${tagName}`);
     }
+
+    this.log.info(`Resetting local changes made`);
     this.exec(`git reset --hard HEAD${isCommitted ? '~1' : ''}`);
   }
 
@@ -207,9 +210,23 @@ class Git extends GitBase {
   async push({ args = this.options.pushArgs } = {}) {
     const { pushRepo } = this.options;
     const upstreamArgs = await this.getUpstreamArgs(pushRepo);
-    const push = await this.exec(['git', 'push', ...fixArgs(args), ...upstreamArgs]);
-    this.disableRollback();
-    return push;
+    try {
+      const push = await this.exec(['git', 'push', ...fixArgs(args), ...upstreamArgs]);
+      this.disableRollback();
+      return push;
+    } catch (error) {
+      await this.rollbackTagPush();
+      throw error;
+    }
+  }
+
+  async rollbackTagPush() {
+    const { isTagged } = this.getContext();
+    if (isTagged) {
+      const { tagName } = this.config.getContext();
+      this.log.info(`Rolling back remote tag push ${tagName}`);
+      await this.exec(`git push origin --delete ${tagName}`);
+    }
   }
 
   afterRelease() {

Diff for: test/git.js

@@ -298,6 +298,35 @@ test.serial('should roll back when cancelled', async t => {
   t.is(exec.args[12][0], 'git reset --hard HEAD~1');
 });
 
+test.serial('should remove remote tag when push to branch failed', async t => {
+  sh.exec('git init');
+  sh.exec(`git remote add origin file://foo`);
+  const version = '1.2.3';
+  gitAdd(`{"version":"${version}"}`, 'package.json', 'Add package.json');
+  const options = { git: { requireCleanWorkingDir: true, commit: true, tag: true, tagName: 'v${version}' } };
+  const gitClient = factory(Git, { options });
+  const exec = sinon.spy(gitClient.shell, 'execFormattedCommand');
+  sh.exec(`git push`);
+  sh.exec(`git checkout HEAD~1`);
+  gitAdd('line', 'file', 'Add file');
+
+  await gitClient.init();
+
+  sh.exec('npm --no-git-tag-version version patch');
+
+  gitClient.bump('1.2.4');
+  await gitClient.beforeRelease();
+  await gitClient.stage('package.json');
+  await gitClient.commit({ message: 'Add this' });
+  await gitClient.tag();
+  try {
+    await gitClient.push();
+  } catch (e) {
+    // push would fail with an error since HEAD is behind origin
+  }
+  t.is(exec.args[15][0], 'git push origin --delete v1.2.4');
+});
+
 test.serial('should not touch existing history when rolling back', async t => {
   sh.exec('git init');
   const version = '1.2.3';