CMakePM: Use Utils::Environment for Presets environment

Utils::Environment takes care of the case insesitivity of the key of
environment variables on Windows.

Change-Id: I624340d30c6b170b5d0a86791f26a4841a0b2fb7
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

4 files changed, 36 insertions, 30 deletions

diff --git a/src/plugins/cmakeprojectmanager/presetsmacros.cpp b/src/plugins/cmakeprojectmanager/presetsmacros.cpp
index 0e156ab4a47..3ac96512388 100644
--- a/src/plugins/cmakeprojectmanager/presetsmacros.cpp
+++ b/src/plugins/cmakeprojectmanager/presetsmacros.cpp
@@ -99,22 +99,17 @@ static QString expandMacroEnv(const QString &macroPrefix,
     return result;
 }
 
-static QHash<QString, QString> getEnvCombined(
-    const std::optional<QHash<QString, QString>> &optPresetEnv, const Utils::Environment &env)
+static Utils::Environment getEnvCombined(const std::optional<Utils::Environment> &optPresetEnv,
+                                         const Utils::Environment &env)
 {
-    QHash<QString, QString> result;
-
-    for (auto it = env.constBegin(); it != env.constEnd(); ++it) {
-        if (it.value().second)
-            result.insert(it.key().name, it.value().first);
-    }
+    Utils::Environment result = env;
 
     if (!optPresetEnv)
         return result;
 
-    QHash<QString, QString> presetEnv = optPresetEnv.value();
-    for (auto it = presetEnv.constKeyValueBegin(); it != presetEnv.constKeyValueEnd(); ++it) {
-        result[it->first] = it->second;
+    Utils::Environment presetEnv = optPresetEnv.value();
+    for (auto it = presetEnv.constBegin(); it != presetEnv.constEnd(); ++it) {
+        result.set(it.key().name, it.value().first);
     }
 
     return result;
@@ -125,10 +120,10 @@ void expand(const PresetType &preset,
             Utils::Environment &env,
             const Utils::FilePath &sourceDirectory)
 {
-    const QHash<QString, QString> presetEnv = getEnvCombined(preset.environment, env);
-    for (auto it = presetEnv.constKeyValueBegin(); it != presetEnv.constKeyValueEnd(); ++it) {
-        const QString key = it->first;
-        QString value = it->second;
+    const Utils::Environment presetEnv = getEnvCombined(preset.environment, env);
+    for (auto it = presetEnv.constBegin(); it != presetEnv.constEnd(); ++it) {
+        const QString key = it.key().name;
+        QString value = it.value().first;
 
         expandAllButEnv(preset, sourceDirectory, value);
         value = expandMacroEnv("env", value, [presetEnv](const QString &macroName) {
@@ -161,15 +156,15 @@ void expand(const PresetType &preset,
             Utils::EnvironmentItems &envItems,
             const Utils::FilePath &sourceDirectory)
 {
-    const QHash<QString, QString> presetEnv = preset.environment ? preset.environment.value()
-                                                                 : QHash<QString, QString>();
-    for (auto it = presetEnv.constKeyValueBegin(); it != presetEnv.constKeyValueEnd(); ++it) {
-        const QString key = it->first;
-        QString value = it->second;
+    const Utils::Environment presetEnv = preset.environment ? preset.environment.value()
+                                                            : Utils::Environment();
+    for (auto it = presetEnv.constBegin(); it != presetEnv.constEnd(); ++it) {
+        const QString key = it.key().name;
+        QString value = it.value().first;
 
         expandAllButEnv(preset, sourceDirectory, value);
         value = expandMacroEnv("env", value, [presetEnv](const QString &macroName) {
-            if (presetEnv.contains(macroName))
+            if (presetEnv.hasKey(macroName))
                 return presetEnv.value(macroName);
             return QString("${%1}").arg(macroName);
         });
@@ -199,7 +194,7 @@ void expand(const PresetType &preset,
 {
     expandAllButEnv(preset, sourceDirectory, value);
 
-    const QHash<QString, QString> presetEnv = getEnvCombined(preset.environment, env);
+    const Utils::Environment presetEnv = getEnvCombined(preset.environment, env);
     value = expandMacroEnv("env", value, [presetEnv](const QString &macroName) {
         return presetEnv.value(macroName);
     });
diff --git a/src/plugins/cmakeprojectmanager/presetsparser.cpp b/src/plugins/cmakeprojectmanager/presetsparser.cpp
index 3566bc1e081..6cddec91234 100644
--- a/src/plugins/cmakeprojectmanager/presetsparser.cpp
+++ b/src/plugins/cmakeprojectmanager/presetsparser.cpp
@@ -208,10 +208,10 @@ bool parseConfigurePresets(const QJsonValue &jsonValue,
         const QJsonObject environmentObj = object.value("environment").toObject();
         for (const QString &envKey : environmentObj.keys()) {
             if (!preset.environment)
-                preset.environment = QHash<QString, QString>();
+                preset.environment = Utils::Environment();
 
             QJsonValue envValue = environmentObj.value(envKey);
-            preset.environment.value().insert(envKey, envValue.toString());
+            preset.environment.value().set(envKey, envValue.toString());
         }
 
         const QJsonObject warningsObj = object.value("warnings").toObject();
@@ -335,10 +335,10 @@ bool parseBuildPresets(const QJsonValue &jsonValue,
         const QJsonObject environmentObj = object.value("environment").toObject();
         for (const QString &envKey : environmentObj.keys()) {
             if (!preset.environment)
-                preset.environment = QHash<QString, QString>();
+                preset.environment = Utils::Environment();
 
             QJsonValue envValue = environmentObj.value(envKey);
-            preset.environment.value().insert(envKey, envValue.toString());
+            preset.environment.value().set(envKey, envValue.toString());
         }
 
         if (object.contains("configurePreset"))
@@ -452,6 +452,16 @@ static QHash<QString, QString> merge(const QHash<QString, QString> &first,
     return result;
 }
 
+static Utils::Environment merge(const Utils::Environment &first, const Utils::Environment &second)
+{
+    Utils::Environment result = first;
+    for (auto it = second.constBegin(); it != second.constEnd(); ++it) {
+        result.set(it.key().name, it.value().first);
+    }
+
+    return result;
+}
+
 static CMakeConfig merge(const CMakeConfig &first, const CMakeConfig &second)
 {
     return Utils::setUnionMerge<CMakeConfig>(
diff --git a/src/plugins/cmakeprojectmanager/presetsparser.h b/src/plugins/cmakeprojectmanager/presetsparser.h
index 7717f19c666..fdea1808719 100644
--- a/src/plugins/cmakeprojectmanager/presetsparser.h
+++ b/src/plugins/cmakeprojectmanager/presetsparser.h
@@ -5,6 +5,7 @@
 
 #include "cmakeconfigitem.h"
 
+#include <utils/environment.h>
 #include <utils/filepath.h>
 
 #include <QHash>
@@ -103,7 +104,7 @@ public:
     std::optional<QString> installDir;
     std::optional<QString> cmakeExecutable;
     std::optional<CMakeConfig> cacheVariables;
-    std::optional<QHash<QString, QString>> environment;
+    std::optional<Utils::Environment> environment;
     std::optional<Warnings> warnings;
     std::optional<Errors> errors;
     std::optional<Debug> debug;
@@ -120,7 +121,7 @@ public:
     std::optional<QHash<QString, QString>> vendor;
     std::optional<QString> displayName;
     std::optional<QString> description;
-    std::optional<QHash<QString, QString>> environment;
+    std::optional<Utils::Environment> environment;
     std::optional<QString> configurePreset;
     std::optional<bool> inheritConfigureEnvironment = true;
     std::optional<int> jobs;
diff --git a/tests/manual/cmakepresets/CMakePresets.json b/tests/manual/cmakepresets/CMakePresets.json
index 50f3968a911..1b163830640 100644
--- a/tests/manual/cmakepresets/CMakePresets.json
+++ b/tests/manual/cmakepresets/CMakePresets.json
@@ -12,7 +12,7 @@
       "generator": "Ninja",
       "installDir": "../inst-${presetName}",
       "cacheVariables": {
-        "CMAKE_PREFIX_PATH": "$env{SystemDrive}/Qt/6.3.2/mingw_64"
+        "CMAKE_PREFIX_PATH": "$env{SYSTEMDRIVE}/Qt/6.3.2/mingw_64"
       },
       "condition": {
         "type": "equals",
@@ -20,7 +20,7 @@
         "rhs": "Windows"
       },
       "environment": {
-        "PATH": "$env{SystemDrive}/Qt/Tools/mingw1120_64/bin;$penv{PATH}"
+        "PATH": "$env{SYSTEMDRIVE}/Qt/Tools/mingw1120_64/bin;$penv{PATH}"
       },
       "debug" : {
         "find" : true