fix: output current version if there is no new ver

src/index.js

@@ -100,6 +100,7 @@ async function run() {
  }
 
  let newVersion
+ let oldVersion
 
  // If skipVersionFile or skipCommit is true we use GIT to determine the new version because
  // skipVersionFile can mean there is no version file and skipCommit can mean that the user
@@ -114,6 +115,7 @@ async function run() {
  )
 
  newVersion = versioning.newVersion
+ oldVersion = versioning.oldVersion
 
  } else {
  const files = versionFile.split(',').map((f) => f.trim())
@@ -129,6 +131,7 @@ async function run() {
  )
 
  newVersion = versioning[0].newVersion
+ oldVersion = versioning[0].oldVersion
  }
 
  let gitTag = `${tagPrefix}${newVersion}`
@@ -157,6 +160,7 @@ async function run() {
 
  if (skipEmptyRelease && cleanChangelog === '') {
  core.info('Generated changelog is empty and skip-on-empty has been activated so we skip this step')
+ core.setOutput('version', oldVersion)
  core.setOutput('skipped', 'true')
  return
  }
@@ -249,4 +253,4 @@ process.on('unhandledRejection', (reason, promise) => {
  core.setFailed(error)
 });
 
-run()
+run()