diff --git a/src/ci/scripts/install-msys2-packages.sh b/src/ci/scripts/install-msys2-packages.sh index 3874a86e120b1..ff7479c05d04e 100755 --- a/src/ci/scripts/install-msys2-packages.sh +++ b/src/ci/scripts/install-msys2-packages.sh @@ -9,11 +9,19 @@ if isWindows; then pacman -S --noconfirm --needed base-devel ca-certificates make diffutils tar \ binutils + # Detect the native Python version installed on the agent. On GitHub + # Actions, the C:\hostedtoolcache\windows\Python directory contains a + # subdirectory for each installed Python version. + # + # The -V flag of the sort command sorts the input by version number. + native_python_version="$(ls /c/hostedtoolcache/windows/Python | sort -Vr | head -n 1)" + # Make sure we use the native python interpreter instead of some msys equivalent # one way or another. The msys interpreters seem to have weird path conversions # baked in which break LLVM's build system one way or another, so let's use the # native version which keeps everything as native as possible. - python_home="C:/hostedtoolcache/windows/Python/3.7.6/x64" + python_home="/c/hostedtoolcache/windows/Python/${native_python_version}/x64" cp "${python_home}/python.exe" "${python_home}/python3.exe" - ciCommandAddPath "C:\\hostedtoolcache\\windows\\Python\\3.7.6\\x64" + ciCommandAddPath "C:\\hostedtoolcache\\windows\\Python\\${native_python_version}\\x64" + ciCommandAddPath "C:\\hostedtoolcache\\windows\\Python\\${native_python_version}\\x64\\Scripts" fi