dev: specify nightly tag through cmake instead of modes file (#6798)

src/common/Modes.cpp

@@ -22,12 +22,7 @@ Modes::Modes()
     {
         auto line = QString(file.readLine()).trimmed();
 
-        // we need to know if it is a nightly build to disable updates on windows
-        if (line == "nightly")
-        {
-            this->isNightly = true;
-        }
-        else if (line == "portable")
+        if (line == "portable")
         {
             this->isPortable = true;
         }

src/common/Modes.hpp

@@ -13,7 +13,6 @@ public:
 
     static const Modes &instance();
 
-    bool isNightly{};
     bool isPortable{};
 
     /// Marked by the line `externally-packaged`

src/common/Version.cpp

@@ -4,24 +4,22 @@
 
 #include "common/Version.hpp"
 
-#include "common/Literals.hpp"
-#include "common/Modes.hpp"
-
 #include <QFileInfo>
 #include <QStringBuilder>
 
-namespace chatterino {
+using namespace Qt::StringLiterals;
 
-using namespace literals;
+namespace chatterino {
 
 Version::Version()
     : version_(CHATTERINO_VERSION)
     , commitHash_(QStringLiteral(CHATTERINO_GIT_HASH))
     , isModified_(CHATTERINO_GIT_MODIFIED == 1)
     , dateOfBuild_(QStringLiteral(CHATTERINO_CMAKE_GEN_DATE))
+    , isNightly_(CHATTERINO_NIGHTLY_BUILD == 1)
 {
     this->fullVersion_ = "Chatterino ";
-    if (Modes::instance().isNightly)
+    if (this->isNightly())
     {
         this->fullVersion_ += "Nightly ";
     }
@@ -129,6 +127,11 @@ const QString &Version::extraString() const
     return this->extraString_;
 }
 
+bool Version::isNightly() const
+{
+    return this->isNightly_;
+}
+
 void Version::generateBuildString()
 {
     // e.g. Chatterino 2.3.5 or Chatterino Nightly 2.3.5
@@ -151,7 +154,7 @@ void Version::generateBuildString()
     s += " built";
 
     // If the build is a nightly build (decided with modes atm), include build date information
-    if (Modes::instance().isNightly)
+    if (this->isNightly())
     {
         s += " on " + this->dateOfBuild();
     }

src/common/Version.hpp

@@ -63,6 +63,11 @@ public:
     // Returns an extra string about this specific build
     const QString &extraString() const;
 
+    /// Returns true if this build is classified as a "nightly" (i.e. dev or unstable) build.
+    ///
+    /// This is controlled by the CMake parameter CHATTERINO_NIGHTLY_BUILD, which defaults to off.
+    bool isNightly() const;
+
 #ifdef Q_OS_WIN
     /// Chatterino's App ID on Windows
     ///
@@ -92,6 +97,8 @@ private:
     // Generate an extra string (e.g. "Built for Fedora 42.<br>Report bugs <a href...>here</a>")
     void generateExtraString();
 
+    bool isNightly_;
+
 #ifdef Q_OS_WIN
     std::wstring appUserModelID_;
 #endif