Do not fail if user_version pragma is invalid

In most of the cases seen so far, if the user_version pragma is
 invalid it means that it was corrupted on disk.

.github/workflows/cmake.yml

@@ -38,7 +38,7 @@ jobs:
         #cache-dependency-path: # optional
     - uses: BSFishy/pip-action@v1
       with:
-        packages: conan
+        packages: conan==1.59.0
     - name: Cache for .conan
       id: cache-conan
       uses: actions/cache@v2

CMakeLists.txt

@@ -166,7 +166,7 @@ set(CPACK_PACKAGE_NAME "audacity-project-tools")
 set(CPACK_PACKAGE_VENDOR "Audacity")
 set(CPACK_PACKAGE_VERSION_MAJOR 1)
 set(CPACK_PACKAGE_VERSION_MINOR 0)
-set(CPACK_PACKAGE_VERSION_PATCH 2)
+set(CPACK_PACKAGE_VERSION_PATCH 3)
 set(CPACK_GENERATOR ZIP)
 SET(CPACK_OUTPUT_FILE_PREFIX packages)
 

README.md

@@ -48,4 +48,4 @@ $ ls
 
 `audacity-project-tools` requires a C++17 compliant compiler with the complete C++17 library. The build requires <filesystem> and floating-point versions of `from_chars`.
 
-CMake and Conan are required to configure the project.
+CMake and Conan are required to configure the project. Conan 2.0 is not supported ATM.

requirements.txt

@@ -1,21 +1 @@
-bottle==0.12.19
-certifi==2021.10.8
-charset-normalizer==2.0.9
-colorama==0.4.4
-conan==1.43.2
-distro==1.6.0
-fasteners==0.16.3
-idna==3.3
-Jinja2==2.11.3
-MarkupSafe==2.0.1
-node-semver==0.6.1
-patch-ng==1.17.4
-pluginbase==1.0.1
-Pygments==2.10.0
-PyJWT==1.7.1
-python-dateutil==2.8.2
-PyYAML==5.4.1
-requests==2.26.0
-six==1.16.0
-tqdm==4.62.3
-urllib3==1.26.7
+conan==1.59.0

src/AudacityDatabase.cpp

@@ -25,7 +25,7 @@ namespace
 
 constexpr int64_t AudacityProjectID = 1096107097;
 constexpr int64_t MaxSupportedVersion =
-    (3 << 24) + (1 << 16) + (3 << 8) + 0; // 3.1.3.0
+    (3 << 24) + (3 << 16) + (0 << 8) + 0; // 3.3.0.0
 
 template<typename T> size_t readInt(const std::string& string, size_t offset, T& output)
 {
@@ -112,13 +112,23 @@ AudacityDatabase::AudacityDatabase(
             mProjectVersion =
                 mDatabase->execAndGet("PRAGMA user_version;").getUInt();
 
+            const auto majorVersion = (mProjectVersion >> 24) & 0xFF;
+            const auto minorVersion = (mProjectVersion >> 16) & 0xFF;
+            const auto patchVersion = (mProjectVersion >> 8) & 0xFF;
+
             fmt::print(
-                "Project requires Audacity {}.{}.{}\n",
-                (mProjectVersion >> 24) & 0xFF, (mProjectVersion >> 16) & 0xFF,
-                (mProjectVersion >> 8) & 0xFF);
+                "Project requires Audacity {}.{}.{}\n", majorVersion,
+                minorVersion, patchVersion);
+
+            if (majorVersion != 3)
+            {
+                fmt::print("user_version pragma appears to be broken...\n");
+                mProjectVersion = MaxSupportedVersion;
+            }
 
             if (mProjectVersion > MaxSupportedVersion)
-                throw std::runtime_error("Unsupported project version");
+                fmt::print(
+                    "DANGER!!! Unsupported Audacity version detected! Project data might be lost! Proceed with caution!\n");
         }, true);
 }