feat: make no-commits error more specific

Author: lekterable

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Features
 
+- add release version bumping [17feea4a](https://github.com/lekterable/perfekt/commit/17feea4af5e339532d680a6ef6e9ec331f8abd2e)
 - make changelog ignored scopes configurable [d34a9f12](https://github.com/lekterable/perfekt/commit/d34a9f12500df6ea21a17b85b783a41b1fca5347)
 - make changelog groups configurable [a2ec46eb](https://github.com/lekterable/perfekt/commit/a2ec46eb9e962a79a9153300adc2229af182d4a6)
 

src/changelog.js

@@ -12,7 +12,12 @@ export const changelog = async (version, options, config) => {
   const latestTag = hasChangelog && !options.root && (await getLatestTag())
   const commits = await getCommits(latestTag)
 
-  if (!commits.length) throw new Error('No commits found since the last tag')
+  if (!commits.length) {
+    const message = latestTag
+      ? `No commits found since the latest tag '${latestTag}'`
+      : 'No commits found'
+    throw new Error(message)
+  }
 
   const grouped = groupCommits(commits, config)
   const changelog = generateChangelog(version, grouped, config)

src/changelog.test.js

@@ -27,6 +27,17 @@ describe('changelog', () => {
   beforeEach(() => jest.resetAllMocks())
 
   it('should throw if no commits found', async () => {
+    const mockedCommits = []
+
+    existsSync.mockImplementation(() => true)
+    getCommits.mockImplementation(() => mockedCommits)
+
+    expect(changelog(null, defaultOptions, defaultConfig)).rejects.toThrow(
+      'No commits found'
+    )
+  })
+
+  it('should throw if no commits found with tag', async () => {
     const mockedTag = '2.2.3'
     const mockedCommits = []
 
@@ -35,7 +46,7 @@ describe('changelog', () => {
     getCommits.mockImplementation(() => mockedCommits)
 
     expect(changelog(null, defaultOptions, defaultConfig)).rejects.toThrow(
-      'No commits found since the last tag'
+      "No commits found since the latest tag '2.2.3'"
     )
   })