Code Search with Bash

code_search.bash

function ga_code_search() {
    # alias todo='ga_code_search "TODO\(`whoami`\)"'
    SCREEN_WIDTH=`stty size | awk '{print $2}'`
    SCREEN_WIDTH=$((SCREEN_WIDTH-4))

    # Given a spooky name so you can alias to whatever you want. 
    # (cs for codesearch)

    # AG is WAY faster but requires a binary 
    # (try brew install the_silver_searcher)
    AG_SEARCH='ag "$1" | sort -k1 | cat -n | cut -c 1-$SCREEN_WIDTH'

    # egrep is installed everywhere and is the default.
    GREP_SEARCH='egrep -nR "$1" * | sort -k1 | cat -n | cut -c 1-$SCREEN_WIDTH'

    SEARCH=$AG_SEARCH
    if [ $# -eq 0 ]; then
        echo "Usage: ga_code_search <search> <index_to_edit>"
        echo ""
        echo "Examples:"
        echo "    ga_code_search TODO"
        echo "    ga_code_search TODO 1"
        echo "    ga_code_search \"TODO\\(graham\\)\""
        echo "    ga_code_search \"TODO\\(graham\\)\" 4"
        echo ""        
        return
    fi
    
    if [ $# -eq 1 ]; then
        # There are no command line argumnets.
        eval $SEARCH
    else
        # arg one should be a line from the output of above.
        LINE="$SEARCH | sed '$2q;d' | awk -F':' '{print +\$2 \" \" \$1}' | awk -F' ' '{print \$1 \" \" \$3}'"
        # Modify with your editor here.
        emacs \+`eval $LINE`
    fi    
}

# Find todo items that are assigned to me.
alias todo='ga_code_search "TODO\(`whoami`\)"'

# Find merge conflicts that need to be resolved.
alias conflicts='ga_code_search "<<<<<<<<<"'

# Find anything below your CWD.
alias cs='ga_code_search'

alias todo='ga_code_search "TODO\(`whoami`\)"'
alias cs="ga_code_search"