From b2c0dac2995120324cf121a91523f8964d894ed2 Mon Sep 17 00:00:00 2001
From: Dan Wallis <dan@wallis.nz>
Date: Thu, 24 Oct 2024 23:58:18 +0100
Subject: [PATCH] Normalise extension requirements

---
 src/Vendor/Composer/PackageHashNormalizer.php | 35 +++++++++++++++++++
 .../No/Extension/normalized.json              |  6 ++++
 .../No/Extension/original.json                | 11 ++++++
 3 files changed, 52 insertions(+)
 create mode 100644 test/Template/Vendor/Composer/ComposerJsonNormalizer/NormalizeNormalizesJson/Json/IsObject/HasEntries/Yes/HasProperty/ValueContainsPackagesAndVersionConstraints/HasEntries/Yes/HasNormalizedVersionConstraints/No/Extension/normalized.json
 create mode 100644 test/Template/Vendor/Composer/ComposerJsonNormalizer/NormalizeNormalizesJson/Json/IsObject/HasEntries/Yes/HasProperty/ValueContainsPackagesAndVersionConstraints/HasEntries/Yes/HasNormalizedVersionConstraints/No/Extension/original.json

diff --git a/src/Vendor/Composer/PackageHashNormalizer.php b/src/Vendor/Composer/PackageHashNormalizer.php
index c35c2d6a..bcb50649 100644
--- a/src/Vendor/Composer/PackageHashNormalizer.php
+++ b/src/Vendor/Composer/PackageHashNormalizer.php
@@ -57,6 +57,7 @@ public function normalize(Json $json): Json
                 continue;
             }
 
+            $packages = self::mergeDuplicateExtensions($packages);
             $decoded->{$name} = self::sortPackages($packages);
         }
 
@@ -114,4 +115,38 @@ private static function sortPackages(array $packages): array
 
         return $packages;
     }
+
+    /**
+     * This code is adopted from composer/composer (originally licensed under MIT by Nils Adermann <naderman@naderman.de>
+     * and Jordi Boggiano <j.boggiano@seld.be>).
+     *
+     * @see https://github.com/composer/composer/blob/2.8.1/src/Composer/Repository/PlatformRepository.php#L682
+     *
+     * @param array<string, string> $packages
+     *
+     * @return array<string, string>
+     */
+    private static function mergeDuplicateExtensions($packages): array
+    {
+        foreach ($packages as $name => $value) {
+            if (!isset($name[4]) || \strtolower(\substr($name, 0, 4)) !== 'ext-') {
+                continue;
+            }
+
+            $newName = \str_replace(' ', '-', \strtolower($name));
+
+            if ($name === $newName) {
+                continue;
+            }
+
+            if (isset($packages[$newName])) {
+                $value .= '||' . $packages[$newName];
+            }
+
+            $packages[$newName] = $value;
+            unset($packages[$name]);
+        }
+
+        return $packages;
+    }
 }
diff --git a/test/Template/Vendor/Composer/ComposerJsonNormalizer/NormalizeNormalizesJson/Json/IsObject/HasEntries/Yes/HasProperty/ValueContainsPackagesAndVersionConstraints/HasEntries/Yes/HasNormalizedVersionConstraints/No/Extension/normalized.json b/test/Template/Vendor/Composer/ComposerJsonNormalizer/NormalizeNormalizesJson/Json/IsObject/HasEntries/Yes/HasProperty/ValueContainsPackagesAndVersionConstraints/HasEntries/Yes/HasNormalizedVersionConstraints/No/Extension/normalized.json
new file mode 100644
index 00000000..81bee8c6
--- /dev/null
+++ b/test/Template/Vendor/Composer/ComposerJsonNormalizer/NormalizeNormalizesJson/Json/IsObject/HasEntries/Yes/HasProperty/ValueContainsPackagesAndVersionConstraints/HasEntries/Yes/HasNormalizedVersionConstraints/No/Extension/normalized.json
@@ -0,0 +1,6 @@
+{
+    "homepage": "https://github.com/ergebnis/composer-normalize/issues/1388",
+    "value-contains-packages-and-version-constraints": {
+        "ext-extension-name": "1 || 2 || 3 || 4 || 5 || 6"
+    }
+}
diff --git a/test/Template/Vendor/Composer/ComposerJsonNormalizer/NormalizeNormalizesJson/Json/IsObject/HasEntries/Yes/HasProperty/ValueContainsPackagesAndVersionConstraints/HasEntries/Yes/HasNormalizedVersionConstraints/No/Extension/original.json b/test/Template/Vendor/Composer/ComposerJsonNormalizer/NormalizeNormalizesJson/Json/IsObject/HasEntries/Yes/HasProperty/ValueContainsPackagesAndVersionConstraints/HasEntries/Yes/HasNormalizedVersionConstraints/No/Extension/original.json
new file mode 100644
index 00000000..ab3f2dfb
--- /dev/null
+++ b/test/Template/Vendor/Composer/ComposerJsonNormalizer/NormalizeNormalizesJson/Json/IsObject/HasEntries/Yes/HasProperty/ValueContainsPackagesAndVersionConstraints/HasEntries/Yes/HasNormalizedVersionConstraints/No/Extension/original.json
@@ -0,0 +1,11 @@
+{
+  "homepage": "https://github.com/ergebnis/composer-normalize/issues/1388",
+  "value-contains-packages-and-version-constraints": {
+    "ext-extension name": "1",
+    "ext-Extension Name": "2",
+    "ext-EXTENSION NAME": "3",
+    "ext-extension-name": "4",
+    "ext-Extension-Name": "5",
+    "ext-EXTENSION-NAME": "6"
+  }
+}