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ci: use the latest python available on windows

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This commit changes our Windows CI to always use the latest Python
interpreter available in the GHA tool cache instead of hardcoding Python
3.7.6. This is needed because occasionally GitHub bumps the installed
version, deleting the previous one.
This commit is contained in:
Pietro Albini 2020-05-07 23:12:13 +02:00 • committed by Mark Rousskov
parent 92dcc9a02d
commit 51c901e4f5
1 changed files with 10 additions and 2 deletions
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12
src/ci/scripts/install-msys2-packages.sh
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@ -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