aggiornamenti installazione e README

featlib/npm.sh

@@ -3,6 +3,7 @@
 
 function feat_addpacks_npm_dev() {
     if ! feat_missing "apt-get"; then
+        sudo apt-get update
         sudo apt-get install -y wget curl tar
 	elif ! feat_missing "pacman"; then
         sudo pacman -S --needed base-devel wget curl tar
@@ -17,11 +18,13 @@ function feat_addpacks_npm_dev() {
 
 function feat_add_npm() {
     feat_addpacks_npm_dev
+	[ -f "$HOME/.bashrc.before" ] || touch "$HOME/.bashrc.before"
 	cat - "$HOME/.bashrc.before" <<- EOF > "$HOME/.bashrc.before.tmp"
 		export N_PREFIX="\$HOME/.local"
 		export PATH="\$N_PREFIX/bin:\$PATH"
 	EOF
     mv "$HOME/.bashrc.before.tmp" "$HOME/.bashrc.before"
+	feat_bashrc_before_needed
     . "$HOME/.bashrc.before"
     mkdir -p "$N_PREFIX"
     curl -L https://raw.githubusercontent.com/tj/n/master/bin/n | bash -s latest