From 70ec49405b9f2a66f9cb62198226349230d2661e Mon Sep 17 00:00:00 2001
From: Alex Jurkiewicz <alex@jurkiewi.cz>
Date: Fri, 19 Jun 2020 10:02:28 +1000
Subject: [PATCH] Ignore pre-release versions for 'latest' (#19)

* Ignore pre-release versions for 'latest'

Fixes #16

* Note the real version when using 'latest'
---
 dist/index.js          | 6 ++++++
 lib/setup-terraform.js | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/dist/index.js b/dist/index.js
index 6ccf87d..f4d7dd5 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2052,10 +2052,16 @@ function findLatest (allVersions) {
   let latest = '0.0.0';
 
   for (const version in allVersions.versions) {
+    // Ignore pre-release
+    if (semver.prerelease(version) !== null) {
+      continue;
+    }
     // is "version" greater than "latest"
     latest = semver.gt(version, latest) ? version : latest;
   }
 
+  core.info(`Latest version is ${latest}`);
+
   return allVersions.versions[latest];
 }
 
diff --git a/lib/setup-terraform.js b/lib/setup-terraform.js
index 5e43007..b531916 100644
--- a/lib/setup-terraform.js
+++ b/lib/setup-terraform.js
@@ -17,10 +17,16 @@ function findLatest (allVersions) {
   let latest = '0.0.0';
 
   for (const version in allVersions.versions) {
+    // Ignore pre-release
+    if (semver.prerelease(version) !== null) {
+      continue;
+    }
     // is "version" greater than "latest"
     latest = semver.gt(version, latest) ? version : latest;
   }
 
+  core.info(`Latest version is ${latest}`);
+
   return allVersions.versions[latest];
 }