chore(ci): fix npm cache path for windows; remove the whole cache folder when installing

Author: gribnoysup

.evergreen/functions.yml

@@ -152,8 +152,6 @@ functions:
 
           # Make all the dirs
           mkdir -p $ARTIFACTS_PATH
-          mkdir -p $NPM_CACHE_DIR
-          mkdir -p $NPM_TMP_DIR
 
     - command: shell.exec
       type: setup

.evergreen/npm_ci.sh

@@ -2,9 +2,12 @@
 
 set -e
 
-npm cache clean -f
+# Remove the cache and any potential install leftovers before installing again.
+# We are running this script with a retry to deal with network issues, in some
+# rare cases npm leaves stuff behind messing up a new attempt
+rm -rf "$NPM_CACHE_DIR"
 rm -rf node_modules
 find configs -name 'node_modules' -type d -prune -exec rm -rf '{}' +
 find packages -name 'node_modules' -type d -prune -exec rm -rf '{}' +
 find scripts -name 'node_modules' -type d -prune -exec rm -rf '{}' +
-npm ci --unsafe-perm
+npm ci --unsafe-perm

.evergreen/print-compass-env.js

@@ -1,5 +1,6 @@
 #! /usr/bin/env node
 'use strict';
+const path = require('path');
 
 /*
 This script writes a bash script that can be eval()'d in evergreen to modify the
@@ -79,18 +80,16 @@ function printCompassEnv() {
   PATH = maybePrependPaths(PATH, pathsToPrepend);
   printVar('PATH', PATH);
 
-  const npmCacheDir = `${newPWD}/.deps/.npm`;
-  const npmTmpDir = `${newPWD}/.deps/tmp`;
+  // not using `newPWD` here to avoid issues on windows where the value supposed
+  // to be a non-cygwin path
+  const npmCacheDir = path.resolve(__dirname, '..', '.deps', '.npm-cache');
 
   printVar('ARTIFACTS_PATH', `${newPWD}/.deps`);
   printVar('NPM_CACHE_DIR', npmCacheDir);
-  printVar('NPM_TMP_DIR', npmTmpDir);
 
   // all npm var names need to be lowercase
   // see: https://docs.npmjs.com/cli/v7/using-npm/config#environment-variables
   printVar('npm_config_cache', npmCacheDir);
-  // npm tmp is deprecated, but let's keep it around just in case
-  printVar('npm_config_tmp', npmTmpDir);
   // Also set in our .npmrc but that does not get picked up in the preinstall script.
   printVar('npm_config_registry', 'https://registry.npmjs.org/');