From e7f0018b054bc74ffc18dd72d4bb4693953d3676 Mon Sep 17 00:00:00 2001
From: Anton Medvedev <anton@medv.io>
Date: Fri, 25 Nov 2016 20:39:21 +0700
Subject: [PATCH] Fix bugs with copy shared files #896 #894

---
 recipe/deploy/shared.php | 19 +++++++++++--------
 src/functions.php        | 13 +++++++++++++
 2 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/recipe/deploy/shared.php b/recipe/deploy/shared.php
index 4f88abbe..0bec4bc8 100644
--- a/recipe/deploy/shared.php
+++ b/recipe/deploy/shared.php
@@ -12,19 +12,22 @@ task('deploy:shared', function () {
     $sharedPath = "{{deploy_path}}/shared";
 
     foreach (get('shared_dirs') as $dir) {
-        $parentDir = dirname($dir);
+        // Check if shared dir does not exists.
+        if (!test("[ -d $sharedPath/$dir ]")) {
+            // Create shared dir if it does not exist.
+            run("mkdir -p $sharedPath/$dir");
 
-        // Create shared dir if it does not exist.
-        run("mkdir -p $sharedPath/$dir");
-
-        // Copy shared dir files if they does not exist.
-        run("if [ -d $(echo {{release_path}}/$dir) ]; then cp -rn {{release_path}}/$dir $sharedPath/$parentDir; fi");
+            // If release contains shared dir, copy that dir from release to shared.
+            if (test("[ -d $(echo {{release_path}}/$dir) ]")) {
+                run("cp -rv {{release_path}}/$dir $sharedPath/" . dirname($dir));
+            }
+        }
 
         // Remove from source.
-        run("if [ -d $(echo {{release_path}}/$dir) ]; then rm -rf {{release_path}}/$dir; fi");
+        run("rm -rf {{release_path}}/$dir");
 
         // Create path to shared dir in release dir if it does not exist.
-        // (symlink will not create the path and will fail otherwise)
+        // Symlink will not create the path and will fail otherwise.
         run("mkdir -p `dirname {{release_path}}/$dir`");
 
         // Symlink shared dir to release dir
diff --git a/src/functions.php b/src/functions.php
index d4362bb7..9fdb3ee6 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -363,6 +363,19 @@ function runLocally($command, $timeout = 60)
     return new Result($output);
 }
 
+/**
+ * Run test command.
+ * Example:
+ *
+ *     test('[ -d {{release_path}} ]')
+ *
+ * @param string $command
+ * @return bool
+ */
+function test($command)
+{
+    return run("if $command; then echo 'true'; fi")->toBool();
+}
 
 /**
  * Upload file or directory to current server.