[readme] include deeper integration instructions for fish
diff --git a/README.md b/README.md
index 365b8e4..6676ffa 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,8 @@
- [Automatically call `nvm use`](#automatically-call-nvm-use)
- [zsh](#zsh)
- [Calling `nvm use` automatically in a directory with a `.nvmrc` file](#calling-nvm-use-automatically-in-a-directory-with-a-nvmrc-file)
+ - [fish](#fish)
+ - [Calling `nvm use` automatically in a directory with a `.nvmrc` file](#calling-nvm-use-automatically-in-a-directory-with-a-nvmrc-file-1)
- [License](#license)
- [Running Tests](#running-tests)
- [Bash Completion](#bash-completion)
@@ -536,6 +538,45 @@
load-nvmrc
```
+#### fish
+
+##### Calling `nvm use` automatically in a directory with a `.nvmrc` file
+This requires that you have [bass](https://github.com/edc/bass) installed.
+```fish
+# ~/.config/fish/functions/nvm.fish
+function nvm
+ bass source ~/.nvm/nvm.sh --no-use ';' nvm $argv
+end
+
+# ~/.config/fish/functions/nvm_find_nvmrc.fish
+function nvm_find_nvmrc
+ bass source ~/.nvm/nvm.sh --no-use ';' nvm_find_nvmrc
+end
+
+# ~/.config/fish/functions/load_nvm.fish
+function load_nvm --on-variable="PWD"
+ set -l default_node_version (nvm version default)
+ set -l node_version (nvm version)
+ set -l nvmrc_path (nvm_find_nvmrc)
+ if test -n "$nvmrc_path"
+ set -l nvmrc_node_version (nvm version (cat $nvmrc_path))
+ if test "$nvmrc_node_version" = "N/A"
+ nvm install $nvmrc_node_version
+ else if test nvmrc_node_version != node_version
+ nvm use $nvmrc_node_version
+ end
+ else if test "$node_version" != "$default_node_version"
+ echo "Reverting to default Node version"
+ nvm use default
+ end
+end
+
+# ~/.config/fish/config.fish
+# You must call it on initialization or listening to directory switching won't work
+load_nvm
+```
+
+
## License
nvm is released under the MIT license.
