aggiornamenti installazione e README

featlib/pip.sh

@@ -5,6 +5,7 @@
 
 function feat_addpacks_pip_dev() {
     if ! feat_missing "apt-get"; then
+        sudo apt-get update
         sudo apt-get install -y make build-essential libssl-dev zlib1g-dev libbz2-dev \
         libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev \
         xz-utils tk-dev libffi-dev liblzma-dev git
@@ -30,11 +31,13 @@ function feat_add_pip() {
     feat_needed curl
     feat_addpacks_pip_dev
     curl https://pyenv.run | bash 2>&1
+    [ -f "$HOME/.bashrc.before" ] || touch "$HOME/.bashrc.before"
     { echo "export PYENV_ROOT=\"\$HOME/.pyenv\"
             export PATH=\"\$PYENV_ROOT/bin:\$PATH\"
             eval \"\$(pyenv init -)\"" ;
       cat "$HOME/.bashrc.before"; } > "$HOME/.bashrc.before.tmp"
     mv "$HOME/.bashrc.before.tmp" "$HOME/.bashrc.before"
+    feat_bashrc_before_needed
     . "$HOME/.bashrc.before"
     LATESTPYTHON="$(pyenv install -l | grep '^[0-9\. ]*$' | sed -ne '$s|\s*||gp')"
     pyenv install "$LATESTPYTHON"