From 69eaf982a4ed26226c3b27596ee5a7aba66d2614 Mon Sep 17 00:00:00 2001
From: Pete Cook <pete@cookpete.com>
Date: Wed, 10 Jul 2019 21:34:01 +0100
Subject: [PATCH] Infer semver versions from numeric tags

Fixes https://github.com/CookPete/auto-changelog/issues/126
---
 src/releases.js  | 8 ++------
 test/releases.js | 2 ++
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/releases.js b/src/releases.js
index 009c3f5e..576d7108 100644
--- a/src/releases.js
+++ b/src/releases.js
@@ -3,7 +3,6 @@ import { niceDate } from './utils'
 
 const MERGE_COMMIT_PATTERN = /^Merge (remote-tracking )?branch '.+'/
 const COMMIT_MESSAGE_PATTERN = /\n+([\S\s]+)/
-const NUMERIC_PATTERN = /^\d+(\.\d+)?$/
 
 export function parseReleases (commits, remote, latestVersion, options) {
   let release = newRelease(latestVersion)
@@ -53,9 +52,6 @@ export function sortReleases (a, b) {
     if (semver.valid(tags.a) && semver.valid(tags.b)) {
       return semver.rcompare(tags.a, tags.b)
     }
-    if (NUMERIC_PATTERN.test(tags.a) && NUMERIC_PATTERN.test(tags.b)) {
-      return parseFloat(tags.a) < parseFloat(tags.b) ? 1 : -1
-    }
     if (tags.a === tags.b) {
       return 0
     }
@@ -67,11 +63,11 @@ export function sortReleases (a, b) {
 }
 
 function inferSemver (tag) {
-  if (/^v\d+$/.test(tag)) {
+  if (/^v?\d+$/.test(tag)) {
     // v1 becomes v1.0.0
     return `${tag}.0.0`
   }
-  if (/^v\d+\.\d+$/.test(tag)) {
+  if (/^v?\d+\.\d+$/.test(tag)) {
     // v1.0 becomes v1.0.0
     return `${tag}.0`
   }
diff --git a/test/releases.js b/test/releases.js
index 128dc79e..37b2062c 100644
--- a/test/releases.js
+++ b/test/releases.js
@@ -120,6 +120,8 @@ describe('sortReleases', () => {
     expect(sortReleases({ tag: '22.0' }, { tag: '22.1' })).to.equal(1)
     expect(sortReleases({ tag: '123.0' }, { tag: '22.1' })).to.equal(-1)
     expect(sortReleases({ tag: '0.1' }, { tag: '0.01' })).to.equal(-1)
+    expect(sortReleases({ tag: '0.14' }, { tag: '0.2' })).to.equal(-1)
+    expect(sortReleases({ tag: '0.2' }, { tag: '0.14' })).to.equal(1)
   })
 
   it('supports partial semver tags', () => {