atom-rubocop-fix.sh

#!/bin/sh
print_header () {
    echo $1
    echo "------------------------------------"
}

run_print_error () {
    print_header "$2"
    echo $1
    # error_msg=$($1 2>&1 >/dev/null)
    if error_msg=$($1 2>&1 >/dev/null); then
      echo "SUCCESS!\n\n"
    else
      echo "\nERROR!\n$error_msg\n"
      exit 1
    fi
}


# install gem packages
run_print_error "gem install rubocop" "Installing Global Rubocop"

if grep -q Microsoft /proc/version 1>/dev/null 2>/dev/null; then

    # -------------------- #
    #  W I N D O W S   1 0 #
    # -------------------- #

    # install Atom packages
    run_print_error "powershell.exe -command Start-Process powershell -Verb runAs -ArgumentList 'apm install linter linter-rubocop'" "Installing Atom Extensions linter, linter-rubocop"
    $cmd

    print_header "Fixing Atom line-endings"

    # set default line endings to LF
    echo "atom.config.set(\"line-ending-selector.defaultLineEnding\", \"LF\")" >> ~/winhome/.atom/init.coffee

    echo "SUCCESS!\n\n"

    # ------------------------------------------ #
    # BATCH SCRIPTS TO BIND WSL BINARIES TO ATOM #
    # ------------------------------------------ #

    # Atom will use binaries installed in WSL to run linting and other
    # functionality. In order for Atom, a Windows 10 program to use WSL
    # binaries, we need simple batch scripts to allow calling WSL binaries
    # from Atom.

    print_header "Generating rubocop batch file"
    
    # WSL rubocop batch file
    cat <<EOF > ~/winhome/.atom/rubocop.bat
@echo off
bash.exe -c "$(rbenv which rubocop) %*"
EOF

    echo "SUCCESS!\n\n"

    print_header "Setting Atom rubocop path"

    # set rubocop path to batch file
    echo "atom.config.set(\"linter-rubocop.command\", \"%USERPROFILE%/.atom/rubocop.bat\")" >> ~/winhome/.atom/init.coffee

    echo "SUCCESS!\n\n"
else

    # ---------------------------- #
    #  M A C   O S   /   L I N U X #
    # ---------------------------- #

    # install Atom packages
    run_print_error "apm install linter linter-rubocop" "Installing Atom Extensions linter, linter-rubocop"

    print_header "Setting Atom rubocop path"

    # add command to set correct rubocop path to Atom init screen
    echo "atom.config.set(\"linter-rubocop.command\", \"`rbenv which rubocop`\")" >> ~/.atom/init.coffee

    echo "SUCCESS!\n\n"
fi