Upgrade from Conan 1.x to 2.x (#4417)

Conan 1.x is no longer supported - upgrade if you used it for dependency management

Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

.github/workflows/build.yml

@@ -108,19 +108,19 @@ jobs:
           version: ${{ matrix.qt-version }}
 
       # WINDOWS
-      - name: Cache conan packages part 1
+      - name: Setup conan variables (Windows)
         if: startsWith(matrix.os, 'windows')
-        uses: actions/cache@v3
-        with:
-          key: ${{ runner.os }}-${{ matrix.crashpad }}-conan-user-${{ hashFiles('**/conanfile.txt') }}
-          path: ~/.conan/
+        run: |
+          "C2_USE_OPENSSL3=$(if ($Env:C2_BUILD_WITH_QT6 -eq "on") { "True" } else { "False" })" >> "$Env:GITHUB_ENV"
+          "C2_CONAN_CACHE_SUFFIX=$(if ($Env:C2_BUILD_WITH_QT6 -eq "on") { "-QT6" } else { "`" })" >> "$Env:GITHUB_ENV"
+        shell: powershell
 
-      - name: Cache conan packages part 2
+      - name: Cache conan packages
         if: startsWith(matrix.os, 'windows')
         uses: actions/cache@v3
         with:
-          key: ${{ runner.os }}-${{ matrix.crashpad }}-conan-root-${{ hashFiles('**/conanfile.txt') }}
-          path: C:/.conan/
+          key: ${{ runner.os }}-conan-user-${{ hashFiles('**/conanfile.py') }}${{ env.C2_CONAN_CACHE_SUFFIX }}
+          path: ~/.conan2/
 
       - name: Add Conan to path
         if: startsWith(matrix.os, 'windows')
@@ -129,7 +129,7 @@ jobs:
       - name: Install dependencies (Windows)
         if: startsWith(matrix.os, 'windows')
         run: |
-          choco install conan -y --version 1.58.0
+          choco install conan -y
 
       - name: Enable Developer Command Prompt
         if: startsWith(matrix.os, 'windows')
@@ -138,15 +138,21 @@ jobs:
       - name: Setup Conan (Windows)
         if: startsWith(matrix.os, 'windows')
         run: |
-          conan profile new --detect --force default
-          conan profile update conf.tools.cmake.cmaketoolchain:generator="NMake Makefiles" default
+          conan --version
+          conan profile detect -f
+        shell: powershell
 
       - name: Build (Windows)
         if: startsWith(matrix.os, 'windows')
         run: |
           mkdir build
           cd build
-          conan install .. -s build_type=RelWithDebInfo -b missing -pr:b=default
+          conan install .. `
+              -s build_type=RelWithDebInfo `
+              -c tools.cmake.cmaketoolchain:generator="NMake Makefiles" `
+              -b missing `
+              --output-folder=. `
+              -o with_openssl3="$Env:C2_USE_OPENSSL3"
           cmake `
               -G"NMake Makefiles" `
               -DCMAKE_BUILD_TYPE=RelWithDebInfo `
@@ -192,9 +198,9 @@ jobs:
           name: chatterino-windows-x86-64-${{ matrix.qt-version }}-symbols.pdb.7z
           path: build/bin/chatterino.pdb.7z
 
-      - name: Clean Conan pkgs
+      - name: Clean Conan cache
         if: startsWith(matrix.os, 'windows')
-        run: conan remove "*" -fsb
+        run: conan cache clean --source --build --download "*"
         shell: bash
 
       # LINUX

BUILDING_ON_WINDOWS.md

@@ -79,16 +79,14 @@ Note: This installation will take about 200 MB of disk space.
 
 ### Using CMake
 
-#### Install conan
+#### Install conan 2
 
-Install [conan](https://conan.io/downloads.html) and make sure it's in your `PATH` (default setting).
+Install [conan 2](https://conan.io/downloads.html) and make sure it's in your `PATH` (default setting).
 
 Then in a terminal, configure conan to use `NMake Makefiles` as its generator:
 
 1. Generate a new profile  
-   `conan profile new --detect --force default`
-1. Configure the profile to use `NMake Makefiles` as its generator  
-   `conan profile update conf.tools.cmake.cmaketoolchain:generator="NMake Makefiles" default`
+   `conan profile detect`
 
 #### Build
 
@@ -96,10 +94,12 @@ Open up your terminal with the Visual Studio environment variables (e.g. `x64 Na
 
 1. `mkdir build`
 1. `cd build`
-1. `conan install .. -s build_type=Release --build=missing`
+1. `conan install .. -s build_type=Release -c tools.cmake.cmaketoolchain:generator="NMake Makefiles" --build=missing --output-folder=.`
 1. `cmake -G"NMake Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE="conan_toolchain.cmake" -DCMAKE_PREFIX_PATH="C:\Qt\5.15.2\msvc2019_64" ..`
 1. `nmake`
 
+To build a debug build, you'll also need to add the `-s compiler.runtime_type=Debug` flag to the `conan install` invocation. See [this StackOverflow post](https://stackoverflow.com/questions/59828611/windeployqt-doesnt-deploy-qwindowsd-dll-for-a-debug-application/75607313#75607313)
+
 #### Ensure DLLs are available
 
 Once Chatterino has finished building, to ensure all .dll's are available you can run this from the build directory:  

CHANGELOG.md

@@ -22,6 +22,7 @@
 - Dev: Only log debug messages when NDEBUG is not defined. (#4442)
 - Dev: Cleaned up theme related code. (#4450)
 - Dev: Ensure tests have default-initialized settings. (#4498)
+- Dev: Conan 2.0 is now used instead of Conan 1.0. (#4417)
 
 ## 2.4.2
 

conanfile.py

@@ -0,0 +1,52 @@
+from conan import ConanFile
+from conan.tools.files import copy
+from os import path
+
+
+class Chatterino(ConanFile):
+    name = "Chatterino"
+    requires = "boost/1.81.0"
+    settings = "os", "compiler", "build_type", "arch"
+    default_options = {
+        "with_benchmark": False,
+        "with_openssl3": False,
+        "openssl*:shared": True,
+    }
+    options = {
+        "with_benchmark": [True, False],
+        # Qt is built with OpenSSL 3 from version 6.5.0 onwards
+        "with_openssl3": [True, False],
+    }
+    generators = "CMakeDeps", "CMakeToolchain"
+
+    def requirements(self):
+        if self.options.get_safe("with_benchmark", False):
+            self.requires("benchmark/1.7.1")
+
+        if self.options.get_safe("with_openssl3", False):
+            self.requires("openssl/3.1.0")
+        else:
+            self.requires("openssl/1.1.1t")
+
+    def generate(self):
+        copy_bin = lambda dep, selector, subdir: copy(
+            self,
+            selector,
+            dep.cpp_info.bindirs[0],
+            path.join(self.build_folder, subdir),
+            keep_path=False,
+        )
+        for dep in self.dependencies.values():
+            # macOS
+            copy_bin(dep, "*.dylib", "bin")
+            # Windows
+            copy_bin(dep, "*.dll", "bin")
+            copy_bin(dep, "*.dll", "Chatterino2")  # used in CI
+            # Linux
+            copy(
+                self,
+                "*.so*",
+                dep.cpp_info.libdirs[0],
+                path.join(self.build_folder, "bin"),
+                keep_path=False,
+            )

conanfile.txt

@@ -1,15 +0,0 @@
-[requires]
-openssl/1.1.1s
-boost/1.80.0
-
-[generators]
-CMakeDeps
-CMakeToolchain
-
-[options]
-openssl:shared=True
-
-[imports]
-bin, *.dll -> ./bin @ keep_path=False
-bin, *.dll -> ./Chatterino2 @ keep_path=False
-lib, *.so* -> ./bin @ keep_path=False