Fix: latest tagged commit to string (#4)

* Fix: latest tag to string, for getCommitRange from

* Style: split latestTaggedCommit in latestTaggedCommits and latestTaggedCommit

Author: aichbauer

lib/cli.js

@@ -5,7 +5,7 @@ import isAdded from 'is-git-added';
 import isGit from 'is-git-repository';
 import getGitRemotes from 'get-git-remotes';
 import getCommitRange from 'git-commit-range';
-import taggedCommit from 'tagged-git-commit';
+import taggedCommits from 'tagged-git-commit';
 import updateNotifier from 'update-notifier';
 import yargs from 'yargs';
 
@@ -27,7 +27,8 @@ updateNotifier({ pkg }).notify();
 
 const cli = () => {
   const cwd = process.cwd();
-  const latestTaggedCommit = taggedCommit({ path: cwd });
+  const latestTaggedCommits = taggedCommits({ path: cwd });
+  const latestTaggedCommit = latestTaggedCommits.length === 0 ? '' : latestTaggedCommits[0];
   const commits = getCommitRange({ path: cwd, from: latestTaggedCommit });
   const latestVersion = getLatestVersion();
   const newVersions = generateVersions(latestVersion);