chore: be explicit about symlinks

Author: achingbrain

.travis.yml

@@ -34,7 +34,7 @@ before_install:
   - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then export NODE_INSTALL_DIR=`npm prefix -g` ; fi
   - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then mv $NODE_INSTALL_DIR/node_modules $NODE_INSTALL_DIR/node_modules_old ; fi
   - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then mkdir $NODE_INSTALL_DIR/node_modules ; fi
-  - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then rm -f $NODE_INSTALL_DIR/npm* $NODE_INSTALL_DIR/npx* ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then rm $NODE_INSTALL_DIR/npm $NODE_INSTALL_DIR/npm.cmd $NODE_INSTALL_DIR/npm.ps1 $NODE_INSTALL_DIR/npx $NODE_INSTALL_DIR/npx.cmd $NODE_INSTALL_DIR/npx.ps1 ; fi
   - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then node $NODE_INSTALL_DIR/node_modules_old/npm/bin/npm-cli.js i -g npm@latest ; fi
   - if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then npm install -g npm@latest ; fi
   # restore default prefix for windows - https://travis-ci.community/t/command-npm-i-g-npm-latest-fails/431/7