# GUIXSD HANDLING NPM GLOBAL PACKAGES

Install package

~~~
# guix package -i node
~~~

Enable user handle global packages (npm)

~~~
$ mkdir /home/<user>/.vnode
$ npm config set prefix "/home/<user>/.vnode"
~~~

Append to $PATH bins (npm)

~~~
$ echo PATH=/home/<user>/.vnode/bin:$PATH
~~~

Install npm

~~~
$ npm install npm
~~~

Now put on **/home/\<user\>/.vnode/lib/node_modules/.hooks/preinstall**

~~~bash
#/run/current-system/profile/bin/bash
pkg_path=$PWD

function patch_shebang() {
 file=$1
 python_bin=`type -p python`
 python_bin=`type -p ruby`
 env_bin=`type -p env`
 bash_bin=`type -p bash`

 if [ -n "$env_bin" ]; then
    sed -i -uE "s|^#!.+/env|#!${env_bin}|" $file
 elif [ -n "$bash_bin" ]; then
    sed -i -uE "s|^#!.+/bash|#!${bash_bin}|" $file
 elif [ -n "$python_bin" ]; then
    sed -i -uE "s|^#!.+/bash|#!${python_bin}|" $file
 elif [ -n "$ruby_bin" ]; then
    sed -i -uE "s|^#!.+/bash|#!${ruby_bin}|" $file
 fi
}

files=`find $pkg_path -type f -exec grep -lE '^#!(.+ )' {} \;`
for file in $files; do
 patch_shebang $file
done
~~~

Allow run
~~~
$ chmod a+rx /home/<user>/.vnode/node_modules/.hooks/preinstall
~~~

If everything it's ok, now run **npm install -g** and see this work's.

For local packages just copy the hook **myproject/node_modules/.hooks/preinstall**.