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# Install (if necessary) and set up msys2.
$url="https://github.com/msys2/msys2-installer/releases/download/2022-10-28/msys2-base-x86_64-20221028.sfx.exe"
$sha256="e365b79b4b30b6f4baf34bd93f3d2a41c0a92801c7a96d79cddbfca1090a0554"
if (!(Test-Path -Path "c:\msys64\usr\bin\bash.exe")) {
echo "Downloading and installing msys2 to c:\msys64"
(New-Object System.Net.WebClient).DownloadFile($url, './msys2-installer.exe')
# Verify checksum
(Get-FileHash -Algorithm "SHA256" .\msys2-installer.exe).hash -eq $sha256
# Install msys2
.\msys2-installer.exe -y -oc:\
Remove-Item msys2-installer.exe
# Set up msys2 the first time
echo "Setting up msys"
c:\msys64\usr\bin\bash -lc ' '
} else {
echo "Using previously installed msys2"
}
# Update packages
echo "Updating msys2 packages"
c:\msys64\usr\bin\bash -lc "pacman --noconfirm -Syuu --overwrite '*'"
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