Merge pull request #230 from blueyed/version-file-write-no-rm

pyenv-version-file-write: do not use rm, but clobber the file

libexec/pyenv-version-file-write

@@ -17,7 +17,8 @@ fi
 pyenv-prefix "${versions[@]}" >/dev/null
 
 # Write the version out to disk.
-rm -f "$PYENV_VERSION_FILE"
+# Create an empty file. Using "rm" might cause a permission error.
+> "$PYENV_VERSION_FILE"
 for version in "${versions[@]}"; do
   echo "$version" >> "$PYENV_VERSION_FILE"
 done