From 0cf5feaa7cdb988181b526d59c40f51f2f5ee2ec Mon Sep 17 00:00:00 2001
From: Demin Yin <deminy@deminy.net>
Date: Thu, 29 Mar 2018 15:58:53 -0700
Subject: [PATCH 1/4] fix "PHP Catchable fatal error:  Method
 MrRio\ShellWrap::__toString() must return a string value"

---
 src/MrRio/ShellWrap.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/MrRio/ShellWrap.php b/src/MrRio/ShellWrap.php
index 8ba4fff..eecf873 100644
--- a/src/MrRio/ShellWrap.php
+++ b/src/MrRio/ShellWrap.php
@@ -25,7 +25,7 @@ class ShellWrap
     static public $exceptionOnError = true;
 
 
-    private static $output = array();
+    private static $output = '';
     private static $prepend = array();
     private static $stdin = null;
 

From 738b5772d38177b0d95428f5a38db304630ca804 Mon Sep 17 00:00:00 2001
From: Demin Yin <deminy@deminy.net>
Date: Fri, 15 Jun 2018 12:31:38 -0700
Subject: [PATCH 2/4] specify current working directory explicitly when
 executing shell commands

---
 src/MrRio/ShellWrap.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/MrRio/ShellWrap.php b/src/MrRio/ShellWrap.php
index eecf873..b63bf4c 100644
--- a/src/MrRio/ShellWrap.php
+++ b/src/MrRio/ShellWrap.php
@@ -134,7 +134,13 @@ private static function __run($arguments)
             2 => array('pipe', 'w') // Stderr
         );
 
-        $process = proc_open($shell, $descriptor_spec, $pipes);
+        // If you use function chdir() to change working directory to a different directory first, following two
+        // statements should still return same directories. However, in Travis CI they return different directories back
+        // (the 2nd one returns the directory where the PHP script was invoked).
+        //     1. getcwd()
+        //     2. (string) ShellWrap::pwd()
+        // Thus we have the 4th parameter (getcwd()) specified explicitly here, also ideally it's unnecessary.
+        $process = proc_open($shell, $descriptor_spec, $pipes, getcwd());
 
         if (is_resource($process)) {
 

From 71bf0dde77326f47c9c5118b0126b322250eb823 Mon Sep 17 00:00:00 2001
From: Demin Yin <deminy@deminy.net>
Date: Thu, 28 Jun 2018 21:34:41 -0700
Subject: [PATCH 3/4] change package name to avoid the Github rate limit issue

---
 composer.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/composer.json b/composer.json
index a2a226b..d23163b 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,5 @@
 {
-    "name": "mrrio/shellwrap",
+    "name": "deminy/shellwrap",
     "type": "library",
     "description": "Use any command-line tool as a PHP function.",
     "keywords": ["command", "shell", "api", "command-line", "exec"],

From eec6ec6f714bd2faaccde4fb3b0f70a1d7c9d308 Mon Sep 17 00:00:00 2001
From: Demin Yin <deminy@deminy.net>
Date: Fri, 4 Nov 2022 15:32:38 -0700
Subject: [PATCH 4/4] fix deprecation warning in PHP 8.1

The warning message looks like this:
PHP Deprecated:  fwrite(): Passing null to parameter #2 ($data) of type string is deprecated ...
---
 src/MrRio/ShellWrap.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/MrRio/ShellWrap.php b/src/MrRio/ShellWrap.php
index b63bf4c..a509b44 100644
--- a/src/MrRio/ShellWrap.php
+++ b/src/MrRio/ShellWrap.php
@@ -144,7 +144,9 @@ private static function __run($arguments)
 
         if (is_resource($process)) {
 
-            fwrite($pipes[0], self::$stdin);
+            if (isset(self::$stdin)) {
+                fwrite($pipes[0], self::$stdin);
+            }
             fclose($pipes[0]);
 
             $output = '';