128 lines
3 KiB
Bash
Executable file
128 lines
3 KiB
Bash
Executable file
#!/usr/bin/env bash
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install_python() {
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local version=$1
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local install_path=$2
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if [ "$TMPDIR" = "" ]; then
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local tmp_download_dir=$(mktemp -d)
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else
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local tmp_download_dir=$TMPDIR
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fi
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# path to the tar file
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local source_path="${tmp_download_dir}/Python-${version}.tgz"
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echo "Downloading Python $version"
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local full_version=$(download_source $version $source_path)
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# running this in a subshell
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# because we don't want to disturb current working dir
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(
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cd $(dirname $source_path)
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tar zxf $source_path || exit 1
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cd $full_version
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local configure_options="$(construct_configure_options $install_path)"
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if [ "$ASDF_PKG_MISSING" != "" ]; then
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echo "WARNING: Might use OS-provided pkgs for the following: $ASDF_PKG_MISSING"
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fi
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# set in os_based_configure_options
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# we unset it here because echo-ing changes the return value of the function
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unset ASDF_PKG_MISSING
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echo "Building with options: $configure_options"
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./configure $configure_options || exit 1
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make || exit 1
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make install || exit 1
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)
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}
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construct_configure_options() {
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local install_path=$1
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if [ "$PYTHON_CONFIGURE_OPTIONS" = "" ]; then
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local configure_options="$(os_based_configure_options) --prefix=$install_path"
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if [ "$PYTHON_EXTRA_CONFIGURE_OPTIONS" != "" ]; then
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configure_options="$configure_options $PYTHON_EXTRA_CONFIGURE_OPTIONS"
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fi
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else
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local configure_options="$PYTHON_CONFIGURE_OPTIONS --prefix=$install_path"
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fi
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echo "$configure_options"
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}
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homebrew_package_path() {
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local package_name=$1
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if [ "$(brew ls --versions $package_name)" = "" ]; then
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echo ""
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else
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echo "$(brew --prefix $package_name)"
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fi
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}
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exit_if_homebrew_not_installed() {
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if [ "$(brew --version 2>/dev/null)" = "" ]; then
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echo "ERROR: Please install homebrew for OSX"
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exit 1
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fi
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}
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os_based_configure_options() {
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local operating_system=$(uname -a)
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local configure_options=""
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if [[ "$operating_system" =~ "Darwin" ]]; then
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exit_if_homebrew_not_installed
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local openssl_path=$(homebrew_package_path openssl)
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local readline_path=$(homebrew_package_path readline)
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else
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local openssl_path=/usr
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fi
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if [ "$openssl_path" = "" ]; then
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export ASDF_PKG_MISSING="openssl"
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else
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configure_options="--with-openssl-dir=$openssl_path"
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fi
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if [ "$readline_path" != "" ]; then
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configure_options="$configure_options --with-readline-dir=$readline_path"
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fi
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configure_options="$configure_options --enable-shared --disable-install-doc"
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echo $configure_options
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}
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download_source() {
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local version=$1
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local download_path=$2
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local download_base_url="https://www.python.org/ftp/python/$version/"
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local full_version=$(curl -s $download_base_url | grep -Eo 'href="[^"]+.tgz' | head -n 1)
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full_version=${full_version:6}
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local download_url="$download_base_url$full_version"
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if [ -f $download_path ]; then
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rm $download_path
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fi
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curl -#Lo $download_path $download_url
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echo "$full_version" | sed -e 's/\.tgz//'
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}
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install_python $ASDF_INSTALL_VERSION $ASDF_INSTALL_PATH
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