From 42965bff65528d02695f66b67a3b406a3e9885cf Mon Sep 17 00:00:00 2001
From: Matthew Brown <github@muglug.com>
Date: Sun, 25 Feb 2018 11:35:43 -0500
Subject: [PATCH] Bust Psalm statements cache when upgrading Psalm version

---
 src/Psalm/Provider/ClassLikeStorageCacheProvider.php | 2 ++
 src/Psalm/Provider/FileStorageCacheProvider.php      | 2 ++
 src/psalm.php                                        | 6 +++---
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/Psalm/Provider/ClassLikeStorageCacheProvider.php b/src/Psalm/Provider/ClassLikeStorageCacheProvider.php
index 7c681f961..724656919 100644
--- a/src/Psalm/Provider/ClassLikeStorageCacheProvider.php
+++ b/src/Psalm/Provider/ClassLikeStorageCacheProvider.php
@@ -37,6 +37,8 @@ class ClassLikeStorageCacheProvider
 
             $this->modified_timestamps .= ' ' . filemtime($dependent_file_path);
         }
+
+        $this->modified_timestamps .= PSALM_VERSION;
     }
 
     /**
diff --git a/src/Psalm/Provider/FileStorageCacheProvider.php b/src/Psalm/Provider/FileStorageCacheProvider.php
index 7a6cdbf18..a1ea3da7e 100644
--- a/src/Psalm/Provider/FileStorageCacheProvider.php
+++ b/src/Psalm/Provider/FileStorageCacheProvider.php
@@ -36,6 +36,8 @@ class FileStorageCacheProvider
 
             $this->modified_timestamps .= ' ' . filemtime($dependent_file_path);
         }
+
+        $this->modified_timestamps .= PSALM_VERSION;
     }
 
     /**
diff --git a/src/psalm.php b/src/psalm.php
index f73d2211a..c27f308b7 100644
--- a/src/psalm.php
+++ b/src/psalm.php
@@ -141,10 +141,10 @@ $vendor_dir = getVendorDir($current_dir);
 
 requireAutoloaders($current_dir, isset($options['r']), $vendor_dir);
 
+define('PSALM_VERSION', (string) \Muglug\PackageVersions\Versions::getVersion('vimeo/psalm'));
+
 if (array_key_exists('v', $options)) {
-    /** @var string */
-    $version = \Muglug\PackageVersions\Versions::getVersion('vimeo/psalm');
-    echo 'Psalm ' . $version . PHP_EOL;
+    echo 'Psalm ' . PSALM_VERSION . PHP_EOL;
     exit;
 }