bootstrap

#!/bin/bash

# Shell script to bootstrap Connexeon dotfiles config, dotbot & requirements
#    attempts to install missing dependencies, so you can sit back & relax ^^
#
#    Connexeon dotfiles are put together with one goal in mind:
#    making shell work much efficient & easy for system engineers.
#
#    There are many clever tools & tricks put together to make you fly through
#    shell lightningfast and more accurate as ever before, with minimal typing
#    efforts.  Stop typing your ass all day & run this right now:
#
#         sudo curl -sSL http://connexeon.link/dotfiles-bootstrap | bash -s
#

# Some output definitions
N=$(tput sgr0) ; BD=$(tput bold) ; GR=$(tput setaf 2; tput bold) ; YE=$(tput setaf 3) ; R=$(tput setaf 1)
OK="[$GR OK $N]\n" ; FL="[$R FAILED $N]\n"; WA="[$R WARNING $N]\n"

ZSHRC=".zshrc"
ZSH_HISTORY="~/.zsh_history"
BASH_HISTORY="~/.bash_history"
cd ~/

# Installing requirements
printf ""$BD"\nInstalling requirements"$N"\n"
YUM_PACK="zsh git python python-yaml"
APT_PACK="zsh git python python-yaml"

# Package
APT=`command -v apt-get`
YUM=`command -v yum`
GIT=`command -v git`
PYTHON=`command -v python`
if [ -n "$YUM" ]; then
  printf "$YE$YUM_PACK$N\n"
  sudo yum -y -q install $YUM_PACK && printf "$OK\n" || ( printf "$FL" ; exit 1 )
elif  [ -n "$APT" ];  then
  printf "$YE$APT_PACK$N\n"
  sudo apt-get -y -q install $APT_PACK && printf "$OK\n" || ( printf "$FL" ; exit 1 )
else
  printf "Unable to detect packet manager (no yum or apt-get)."
  ( [ ! -n $GIT ] || [ ! -f $PYTHON ] ) &&
  (
    printf "Missing requirement(s), please install $YE$YUM_PACK$N and run me again." >&2 ;
    printf "$FL" ; exit 1
  )
  printf "Assuming $YE$YUM_PACK$N are installed. $OK\n"
fi

set -e

# If an .zshrc file already exists, rename it
[[ -f $ZSHRC ]] &&
( printf "$YE`pwd`$ZSHRC$N already exists, renaming yours to $YE`pwd`$ZSHRC.save$N " ;
mv $ZSHRC $ZSHRC.save && printf " $OK" || ( printf "$FL" ; exit 3 ) )

# Cloning dotfiles repo
printf ""$BD"\nCloning "$YE"dotfiles"$N$BD" into "$YE"~/.dotfiles"$N"\n"
git clone https://github.com/Connexeon/dotfiles.git ~/.dotfiles && printf "$OK\n" || ( printf "$FL" ; exit 3 )

# Installing using dotbot
printf ""$BD"\nInstalling using "$YE"dotbot"$N"\n"
cd .dotfiles && ./install && cd ~ && printf "$OK\n" || ( printf " $WA" )

# Changing shell

# If this user's login shell is not already "zsh", attempt to switch.
TEST_CURRENT_SHELL=$(expr "$SHELL" : '.*/\(.*\)')
if [ "$TEST_CURRENT_SHELL" != "zsh" ]; then
  # If this platform provides a "chsh" command (not Cygwin), do it, man!
  if hash chsh >/dev/null 2>&1; then
    printf ""$BD"Changing shell to "$YE"zsh"$N"\n"
    chsh -s $(grep /zsh$ /etc/shells | tail -1)
    printf "$OK\n"
    # Else, suggest the user do so manually.
  else
    printf ""$WA"I can't change your shell automatically because this system does not have "$YE"chsh"$N."\n"
    printf ""$BD"Please manually change your default shell to zsh!$N\n"
  fi
fi

# Copying valueable bash history
[[ -f $BASH_HISTORY ]] &&
( printf ""$BD"Copying existing "$YE$BASH_HISTORY$N" to "$YE$ZSH_HISTORY$N"\n" ;
cat $BASH_HISTORY >> $ZSH_HISTORY && printf "$OK\n" || ( printf "$FL" ; exit 3 ) )

printf "$BD""FINISHED ^^\n\nPlease reconnect your session now to complete installation.\n" || ( printf "$FL" ; exit 1 )
printf "$BD""SSH terminal session encoding should be set to UTF-8, recommended font is DejaVu Sans Mono for Powerline.\n$N"