Install msys64 with prepare.py

.github/workflows/win.yml

@@ -84,11 +84,6 @@ jobs:
           choco install --no-progress -y nasm strawberryperl yasm jom ninja
           py -m pip install pywin32
 
-      - name: Install msys64.
-        run: |
-          mkdir %TBUILD%\ThirdParty
-          xcopy /E /I C:\msys64 %TBUILD%\ThirdParty\msys64
-
       - name: Set up environment paths.
         shell: bash
         run: |

Telegram/build/prepare/prepare.py

@@ -61,6 +61,7 @@ if not os.path.isdir(os.path.join(thirdPartyDir, keysLoc)):
     pathlib.Path(os.path.join(thirdPartyDir, keysLoc)).mkdir(parents=True, exist_ok=True)
 
 pathPrefixes = [
+    'ThirdParty\\msys64\\usr\\bin',
     'ThirdParty\\Strawberry\\perl\\bin',
     'ThirdParty\\Python39',
     'ThirdParty\\NASM',
@@ -402,6 +403,13 @@ stage('patches', """
     git checkout 38af8ef4c6
 """)
 
+stage('msys64', """
+win:
+    powershell.exe -Command "Invoke-WebRequest -OutFile ./msys64.exe https://repo.msys2.org/distrib/x86_64/msys2-base-x86_64-20220603.sfx.exe"
+    msys64.exe
+    del msys64.exe
+""", 'ThirdParty')
+
 stage('depot_tools', """
 mac:
     git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git

docs/building-win-x64.md

@@ -23,7 +23,6 @@ You will require **api_id** and **api_hash** to access the Telegram API servers.
 * Download **Strawberry Perl** installer from [http://strawberryperl.com/](http://strawberryperl.com/) and install to ***BuildPath*\\ThirdParty\\Strawberry**
 * Download **NASM** installer from [http://www.nasm.us](http://www.nasm.us) and install to ***BuildPath*\\ThirdParty\\NASM**
 * Download **Yasm** executable from [http://yasm.tortall.net/Download.html](http://yasm.tortall.net/Download.html), rename to *yasm.exe* and put to ***BuildPath*\\ThirdParty\\yasm**
-* Download **MSYS2** installer from [http://www.msys2.org/](http://www.msys2.org/) and install to ***BuildPath*\\ThirdParty\\msys64**
 * Download **jom** archive from [http://download.qt.io/official_releases/jom/jom.zip](http://download.qt.io/official_releases/jom/jom.zip) and unpack to ***BuildPath*\\ThirdParty\\jom**
 * Download **Python 3.9** installer from [https://www.python.org/downloads/](https://www.python.org/downloads/) and install to ***BuildPath*\\ThirdParty\\Python39**
 * Download **CMake 3.21 or later** installer from [https://cmake.org/download/](https://cmake.org/download/) and install to ***BuildPath*\\ThirdParty\\cmake**

docs/building-win.md

@@ -23,7 +23,6 @@ You will require **api_id** and **api_hash** to access the Telegram API servers.
 * Download **Strawberry Perl** installer from [http://strawberryperl.com/](http://strawberryperl.com/) and install to ***BuildPath*\\ThirdParty\\Strawberry**
 * Download **NASM** installer from [http://www.nasm.us](http://www.nasm.us) and install to ***BuildPath*\\ThirdParty\\NASM**
 * Download **Yasm** executable from [http://yasm.tortall.net/Download.html](http://yasm.tortall.net/Download.html), rename to *yasm.exe* and put to ***BuildPath*\\ThirdParty\\yasm**
-* Download **MSYS2** installer from [http://www.msys2.org/](http://www.msys2.org/) and install to ***BuildPath*\\ThirdParty\\msys64**
 * Download **jom** archive from [http://download.qt.io/official_releases/jom/jom.zip](http://download.qt.io/official_releases/jom/jom.zip) and unpack to ***BuildPath*\\ThirdParty\\jom**
 * Download **Python 3.9** installer from [https://www.python.org/downloads/](https://www.python.org/downloads/) and install to ***BuildPath*\\ThirdParty\\Python39**
 * Download **CMake 3.21 or later** installer from [https://cmake.org/download/](https://cmake.org/download/) and install to ***BuildPath*\\ThirdParty\\cmake**