Set up plenv, install perl, cpanm, carton, set up environment

install-plenv.sh

#!/bin/bash

# installs plenv, perl, carton, cpanminus, sets up environment in .bash_profile or .profile
# from https://github.com/tokuhirom/plenv#readme
MY_PROFILE_FILE="$HOME/.profile"

if [[ -n "$PERL_MB_OPT" ]]; then
    echo "You must unset your local::lib environment variables first"
    echo "Edit your ~/.bash_profile or ~/.bashrc and remove any references"
    echo "to local::lib or export PERL*..."
    exit 1
fi

APP_GIT=`which git 2> /dev/null`
test -x "$APP_GIT" || ( echo "You must have git installed, please install with 'sudo apt-get install git' (or ask your system admin to install) and re-run script" > /dev/stderr && exit 1 )


echo " - Building perl environment -"

# get plenv latest
echo " + Cloning latest plenv..."
git clone git://github.com/tokuhirom/plenv.git ~/.plenv

echo " + Updating .bash_profile with plenv bin and perl binary shims..."
PLENV_PATH='export PATH="$HOME/.plenv/bin:$PATH"'
PLENV_INIT='eval "$(plenv init -)"'
echo $PLENV_PATH >> $MY_PROFILE_FILE  # add plenv to path
echo $PLENV_INIT >> $MY_PROFILE_FILE  # shims and autocomplete

# make the above available for the rest of this script
eval $PLENV_PATH
eval $PLENV_INIT

echo " + Cloning perl-build..."
git clone git://github.com/tokuhirom/Perl-Build.git ~/.plenv/plugins/perl-build/

LATEST_PERL=`plenv install -l | tail -n1`

plenv install -l
read -e -p "Select perl version to install (press enter for the latest, or replace it from the list above): " -i "$LATEST_PERL" PLENV_PERL_VERSION
# To install the latest version uncomment the line below
# PLENV_PERL_VERSION=`plenv install -l | tail -n1`

echo " + Building perl ${PLENV_PERL_VERSION} (with threading support)..."
plenv install $PLENV_PERL_VERSION -Dusethreads

echo " + Switching to $PLENV_PERL_VERSION"
plenv global $PLENV_PERL_VERSION

echo " + Installing cpanminus..."
plenv install-cpanm

echo " + Installing carton..."
cpanm Carton


echo "plenv installation complete!"

Let the user choose version (with the latest available one as default)

Updated user profile path