From 9be13783a3515c0b1246d9e2fe8972d9f85b592f Mon Sep 17 00:00:00 2001
From: James Buncle <jbuncle@names.co.uk>
Date: Fri, 17 Feb 2017 16:07:08 +0000
Subject: [PATCH] Updated VersionGuesser to check if we actually have a version
 in the returned array (fixes bug originating from f6899e5 when array was
 first introduced) - as SVN Versions not being guessed as it would previously
 stop at Git check.

Fixes #6178
---
 src/Composer/Package/Version/VersionGuesser.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Composer/Package/Version/VersionGuesser.php b/src/Composer/Package/Version/VersionGuesser.php
index ce030ff0e..011ac376d 100644
--- a/src/Composer/Package/Version/VersionGuesser.php
+++ b/src/Composer/Package/Version/VersionGuesser.php
@@ -65,17 +65,17 @@ class VersionGuesser
     {
         if (function_exists('proc_open')) {
             $versionData = $this->guessGitVersion($packageConfig, $path);
-            if (null !== $versionData) {
+            if (null !== $versionData && null !== $versionData['version']) {
                 return $versionData;
             }
 
             $versionData = $this->guessHgVersion($packageConfig, $path);
-            if (null !== $versionData) {
+            if (null !== $versionData && null !== $versionData['version']) {
                 return $versionData;
             }
 
             $versionData = $this->guessFossilVersion($packageConfig, $path);
-            if (null !== $versionData) {
+            if (null !== $versionData && null !== $versionData['version']) {
                 return $versionData;
             }