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Latest python environment variable to workaround pyenv missing latest version #195

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Latest python environment variable to workaround pyenv missing latest version #195

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d2be743
Use grep instead of ag
neilmb Jul 21, 2020
d06ef09
Workaround for pyenv not having a version yet
neilmb Jul 21, 2020
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10 changes: 8 additions & 2 deletions mac
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Original file line number Diff line number Diff line change
Expand Up @@ -277,15 +277,21 @@ EOF
# pyenv currently doesn't have a convenience version to use, e.g., "latest",
# so we check for the latest version against Homebrew instead.
latest_python_3="$(brew info python3 | grep -E -o "3\.\d+\.\d+" | head -1)"
# in the event that pyenv doesn't have the latest version from homebrew,
# allow overriding with an environment variable
# shellcheck disable=SC2153
if [ -n "$LATEST_PYTHON_3" ]; then
latest_python_3=${LATEST_PYTHON_3}
fi

if ! pyenv versions | ag "$latest_python_3" > /dev/null; then
if ! pyenv versions | grep "$latest_python_3" > /dev/null; then
# Starting with macOS 10.14 (Mojave), the header files for system libraries
# have been moved. Rather than hack the header paths based on OS version,
# just install zlib with brew and build against that directly for now.
brew install zlib
export LDFLAGS="-L/usr/local/opt/zlib/lib"
export CPPFLAGS="-I/usr/local/opt/zlib/include"
pyenv install "$latest_python_3"
pyenv install "$latest_python_3" || fancy_echo "pyenv install of $latest_python_3 failed. Try \"export LATEST_PYTHON_3=3.8.3\" or some other version"
pyenv global "$latest_python_3"
pyenv rehash
fi
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