commit 70cc1e540115f0f450867302eebea9d33b2b8d83
Author: Pavel Shevaev <pacha.shevaev@gmail.com>
Date:   Wed May 18 10:16:31 2022 +0300

    first version

diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..fa94607
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,11 @@
+{
+    "name": "bit/taskman_version",
+    "description": "taskman version utils",
+    "homepage": "https://git.bit5.ru/composer/taskman_version",
+    "require": {
+        "php": ">=7.4"
+    },
+    "autoload": {
+        "classmap": ["version.inc.php"]
+    }
+}
diff --git a/version.inc.php b/version.inc.php
new file mode 100644
index 0000000..0ba6e55
--- /dev/null
+++ b/version.inc.php
@@ -0,0 +1,88 @@
+<?php
+namespace taskman;
+use Exception;
+
+task('version', function() 
+{
+  echo "Version: " . game_version() . "\n";
+  echo "Version code:" . game_version_code() . "\n";
+});
+
+task('inc_game_version', function()
+{     
+  global $GAME_ROOT;      
+  $path_to_version = $GAME_ROOT . "/VERSION";     
+  ensure_write($path_to_version, get_inc_game_version());    
+  git_try_commit($path_to_version, "inc version");      
+});     
+
+function game_version_full_str()
+{
+  global $GAME_ROOT;
+  return trim(file($GAME_ROOT . "/VERSION")[0]);
+}
+
+function game_version()
+{
+  $full_str = game_version_full_str();
+  $has_patch_code = substr_count($full_str, '.') > 2;
+  if(!$has_patch_code)
+    return $full_str;
+  return substr($full_str, 0, strrpos($full_str, '.'));
+}
+
+function game_version_code($str = null)
+{
+  $str = $str === null ? game_version() : $str;
+  $items = explode('.', $str);
+  if(sizeof($items) < 2)
+    throw new Exception("Bad version format: $str");
+
+  $maj = $items[0];
+  $min = $items[1];
+  $pat = isset($items[2]) ? $items[2] : 0;
+
+  $num = $pat + $min*100 + $maj*1000000;
+  return $num;
+}
+
+function game_patch_code()
+{
+  $full_str = game_version_full_str();
+  $has_patch_code = substr_count($full_str, '.') > 2;
+  if(!$has_patch_code)
+    return 0;
+
+  $code = substr($full_str, strrpos($full_str, '.')+1);
+  if($code > 9)
+    throw new Exception("Patch code must be <= 9");
+  return $code;
+}
+
+function get_inc_game_version()     
+{     
+  $string = game_version();     
+
+  for($i = strlen($string) - 1; $i >= 0; $i--)       
+  {     
+    if(is_numeric($string[$i]))      
+    {     
+      $most_significant_number = $i;      
+      if($string[$i] < 9)      
+      {     
+        $string[$i] = $string[$i] + 1;      
+        break;      
+      }     
+      // The number was a 9, set it to zero and continue.     
+      $string[$i] = 0;      
+    }     
+  }     
+
+  // If the most significant number was set to a zero it has overflowed so we     
+  // need to prefix it with a '1'.      
+  if($string[$most_significant_number] === '0')      
+    $string = substr_replace($string, '1', $most_significant_number, 0);      
+
+  return $string;     
+}
+