#!/usr/bin/env bash
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# This is used by the Node.js installer, which expects the cygwin/mingw
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# shell script to already be present in the npm dependency folder.
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(set -o igncr) 2>/dev/null && set -o igncr; # cygwin encoding fix
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basedir=`dirname "$0"`
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case `uname` in
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*CYGWIN*) basedir=`cygpath -w "$basedir"`;;
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esac
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if [ `uname` = 'Linux' ] && type wslpath &>/dev/null ; then
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IS_WSL="true"
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fi
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function no_node_dir {
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# if this didn't work, then everything else below will fail
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echo "Could not determine Node.js install directory" >&2
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exit 1
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}
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NODE_EXE="$basedir/node.exe"
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if ! [ -x "$NODE_EXE" ]; then
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NODE_EXE="$basedir/node"
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fi
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if ! [ -x "$NODE_EXE" ]; then
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NODE_EXE=node
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fi
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# this path is passed to node.exe, so it needs to match whatever
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# kind of paths Node.js thinks it's using, typically win32 paths.
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CLI_BASEDIR="$("$NODE_EXE" -p 'require("path").dirname(process.execPath)' 2> /dev/null)"
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if [ $? -ne 0 ]; then
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# this fails under WSL 1 so add an additional message. we also suppress stderr above
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# because the actual error raised is not helpful. in WSL 1 node.exe cannot handle
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# output redirection properly. See https://github.com/microsoft/WSL/issues/2370
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if [ "$IS_WSL" == "true" ]; then
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echo "WSL 1 is not supported. Please upgrade to WSL 2 or above." >&2
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fi
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no_node_dir
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fi
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NPM_PREFIX_JS="$CLI_BASEDIR/node_modules/npm/bin/npm-prefix.js"
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NPM_CLI_JS="$CLI_BASEDIR/node_modules/npm/bin/npm-cli.js"
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NPM_PREFIX=`"$NODE_EXE" "$NPM_PREFIX_JS"`
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if [ $? -ne 0 ]; then
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no_node_dir
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fi
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NPM_PREFIX_NPM_CLI_JS="$NPM_PREFIX/node_modules/npm/bin/npm-cli.js"
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# a path that will fail -f test on any posix bash
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NPM_WSL_PATH="/.."
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# WSL can run Windows binaries, so we have to give it the win32 path
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# however, WSL bash tests against posix paths, so we need to construct that
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# to know if npm is installed globally.
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if [ "$IS_WSL" == "true" ]; then
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NPM_WSL_PATH=`wslpath "$NPM_PREFIX_NPM_CLI_JS"`
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fi
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if [ -f "$NPM_PREFIX_NPM_CLI_JS" ] || [ -f "$NPM_WSL_PATH" ]; then
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NPM_CLI_JS="$NPM_PREFIX_NPM_CLI_JS"
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fi
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"$NODE_EXE" "$NPM_CLI_JS" "$@"
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