From f06c0cb58016ac316ee3467ae017304692c52a3b Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Fri, 1 Mar 2013 23:47:24 +0100
Subject: [PATCH] Code reorgs and make bool values real booleans, refs #1637

---
 doc/04-schema.md                          |  6 +++--
 res/composer-schema.json                  |  4 ++--
 src/Composer/Command/ConfigCommand.php    | 13 +++++++----
 src/Composer/Config.php                   |  8 +++----
 src/Composer/Downloader/GitDownloader.php | 27 ++++++++++-------------
 src/Composer/Downloader/SvnDownloader.php | 13 ++++-------
 6 files changed, 35 insertions(+), 36 deletions(-)

diff --git a/doc/04-schema.md b/doc/04-schema.md
index 4a3927db6..ed585b76d 100644
--- a/doc/04-schema.md
+++ b/doc/04-schema.md
@@ -623,8 +623,10 @@ The following options are supported:
   define a notification URL, so that they get notified whenever a package from
   that repository is installed. This option allows you to disable that behaviour.
 * **discard-changes:** Defaults to `false` and can be any of `true`, `false` or
-  `stash`. This option allows you to set the default style of handling dirty
-  updates, specially useful for non-interactive mode.
+  `"stash"`. This option allows you to set the default style of handling dirty
+  updates when in non-interactive mode. `true` will always discard changes in
+  vendors, while `"stash"` will try to stash and reapply. Use this for CI
+  servers or deploy scripts if you tend to have modified vendors.
 
 Example:
 
diff --git a/res/composer-schema.json b/res/composer-schema.json
index f11ff824c..e8c0474e7 100644
--- a/res/composer-schema.json
+++ b/res/composer-schema.json
@@ -169,8 +169,8 @@
                     "description": "The cache max size for the files cache, defaults to \"300MiB\"."
                 },
                 "discard-changes": {
-                    "type": ["string"],
-                    "description": "The default style of handling dirty updates, defaults to \"false\" and can be any of \"true\", \"false\" or \"stash\"."
+                    "type": ["string", "boolean"],
+                    "description": "The default style of handling dirty updates, defaults to false and can be any of true, false or \"stash\"."
                 }
             }
         },
diff --git a/src/Composer/Command/ConfigCommand.php b/src/Composer/Command/ConfigCommand.php
index 1a679fcae..4c2e9e5d8 100644
--- a/src/Composer/Command/ConfigCommand.php
+++ b/src/Composer/Command/ConfigCommand.php
@@ -252,11 +252,11 @@ EOT
         $uniqueConfigValues = array(
             'process-timeout' => array('is_numeric', 'intval'),
             'use-include-path' => array(
-                function ($val) { return true; },
+                function ($val) { return in_array($val, array('true', 'false', '1', '0'), true); },
                 function ($val) { return $val !== 'false' && (bool) $val; }
             ),
             'notify-on-install' => array(
-                function ($val) { return true; },
+                function ($val) { return in_array($val, array('true', 'false', '1', '0'), true); },
                 function ($val) { return $val !== 'false' && (bool) $val; }
             ),
             'vendor-dir' => array('is_string', function ($val) { return $val; }),
@@ -272,8 +272,13 @@ EOT
                 function ($val) { return $val; }
             ),
             'discard-changes' => array(
-                function ($val) { return in_array($val, array('true', 'false', 'stash')); },
-                function ($val) { return $val; }
+                function ($val) { return in_array($val, array('stash', 'true', 'false', '1', '0'), true); },
+                function ($val) {
+                    if ('stash' === $val) {
+                        return 'stash';
+                    }
+                    return $val !== 'false' && (bool) $val;
+                }
             ),
         );
         $multiConfigValues = array(
diff --git a/src/Composer/Config.php b/src/Composer/Config.php
index 5b6fc72e8..0d9aa22b7 100644
--- a/src/Composer/Config.php
+++ b/src/Composer/Config.php
@@ -33,7 +33,7 @@ class Config
         'cache-ttl' => 15552000, // 6 months
         'cache-files-ttl' => null, // fallback to cache-ttl
         'cache-files-maxsize' => '300MiB',
-        'discard-changes' => 'false',
+        'discard-changes' => false,
     );
 
     public static $defaultRepositories = array(
@@ -145,7 +145,7 @@ class Config
             case 'cache-files-maxsize':
                 if (!preg_match('/^\s*([0-9.]+)\s*(?:([kmg])(?:i?b)?)?\s*$/i', $this->config[$key], $matches)) {
                     throw new \RuntimeException(
-                        "Could not parse the value of 'cache-files-maxsize' from your config: {$this->config[$key]}"
+                        "Could not parse the value of 'cache-files-maxsize': {$this->config[$key]}"
                     );
                 }
                 $size = $matches[1];
@@ -176,9 +176,9 @@ class Config
                 return rtrim($this->process($this->config[$key]), '/\\');
 
             case 'discard-changes':
-                if (!in_array($this->config[$key], array('true', 'false', 'stash'))) {
+                if (!in_array($this->config[$key], array(true, false, 'stash'), true)) {
                     throw new \RuntimeException(
-                        "Invalid value of 'discard-changes' from your config: {$this->config[$key]}"
+                        "Invalid value for 'discard-changes': {$this->config[$key]}"
                     );
                 }
 
diff --git a/src/Composer/Downloader/GitDownloader.php b/src/Composer/Downloader/GitDownloader.php
index ed9f2ca44..7033708a9 100644
--- a/src/Composer/Downloader/GitDownloader.php
+++ b/src/Composer/Downloader/GitDownloader.php
@@ -94,23 +94,20 @@ class GitDownloader extends VcsDownloader
             return;
         }
 
-        $discardChanges = $this->config->get('discard-changes');
         if (!$this->io->isInteractive()) {
-            switch ($discardChanges) {
-                case 'true':
-                    return $this->discardChanges($path);
-
-                case 'stash':
-                    if (!$update) {
-                        return parent::cleanChanges($path, $update);
-                    }
-
-                    return $this->stashChanges($path);
-
-                case 'false':
-                default:
-                    return parent::cleanChanges($path, $update);
+            $discardChanges = $this->config->get('discard-changes');
+            if (true === $discardChanges) {
+                return $this->discardChanges($path);
             }
+            if ('stash' === $discardChanges) {
+                if (!$update) {
+                    return parent::cleanChanges($path, $update);
+                }
+
+                return $this->stashChanges($path);
+            }
+
+            return parent::cleanChanges($path, $update);
         }
 
         $changes = array_map(function ($elem) {
diff --git a/src/Composer/Downloader/SvnDownloader.php b/src/Composer/Downloader/SvnDownloader.php
index 9547dfae0..8dde35968 100644
--- a/src/Composer/Downloader/SvnDownloader.php
+++ b/src/Composer/Downloader/SvnDownloader.php
@@ -92,17 +92,12 @@ class SvnDownloader extends VcsDownloader
             return;
         }
 
-        $discardChanges = $this->config->get('discard-changes');
         if (!$this->io->isInteractive()) {
-            switch ($discardChanges) {
-                case 'true':
-                    return $this->discardChanges($path);
-
-                case 'false':
-                case 'stash':
-                default:
-                    return parent::cleanChanges($path, $update);
+            if (true === $this->config->get('discard-changes')) {
+                return $this->discardChanges($path);
             }
+
+            return parent::cleanChanges($path, $update);
         }
 
         $changes = array_map(function ($elem) {