Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibCore/Version.cpp

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2021, Mahmoud Mandour <ma.mandourr@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/String.h>
+#include <LibCore/Environment.h>
+#include <LibCore/Version.h>
+
+namespace Core::Version {
+
+ErrorOr<String> read_long_version_string()
+{
+    auto validate_git_hash = [](auto hash) {
+        if (hash.length() < 4 || hash.length() > 40)
+            return false;
+        for (auto ch : hash) {
+            if (!is_ascii_hex_digit(ch))
+                return false;
+        }
+        return true;
+    };
+
+    auto maybe_git_hash = Core::Environment::get("LADYBIRD_GIT_VERSION"sv);
+
+    if (maybe_git_hash.has_value() && validate_git_hash(maybe_git_hash.value()))
+        return MUST(String::formatted("Version 1.0-{}", maybe_git_hash.value()));
+    return "Version 1.0"_string;
+}
+
+}