[Docs] update `bash` `cdnvm` script to properly handle aliases
- Only works for common aliases like `default`, `system`, `node`, `lts/*`, `iojs` etc.
- Prevent unnecessary running of `nvm use`
diff --git a/README.md b/README.md
index 2ba1b25..2226a57 100644
--- a/README.md
+++ b/README.md
@@ -457,17 +457,18 @@
declare nvm_version
nvm_version=$(<"$nvm_path"/.nvmrc)
- # Add the `v` suffix if it does not exists in the .nvmrc file
- if [[ $nvm_version != v* ]]; then
- nvm_version="v""$nvm_version"
- fi
+ declare locally_resolved_nvm_version
+ # `nvm ls` will check all locally-available versions
+ # If there are multiple matching versions, take the latest one
+ # Remove the `->` and `*` characters and spaces
+ # `locally_resolved_nvm_version` will be `N/A` if no local versions are found
+ locally_resolved_nvm_version=$(nvm ls --no-colors $(<"./.nvmrc") | tail -1 | tr -d '\->*' | tr -d '[:space:]')
# If it is not already installed, install it
- if [[ $(nvm ls "$nvm_version" | tr -d '[:space:]') == "N/A" ]]; then
+ # `nvm install` will implicitly use the newly-installed version
+ if [[ "$locally_resolved_nvm_version" == "N/A" ]]; then
nvm install "$nvm_version";
- fi
-
- if [[ $(nvm current) != "$nvm_version" ]]; then
+ elif [[ $(nvm current) != "$locally_resolved_nvm_version" ]]; then
nvm use "$nvm_version";
fi
fi
