A half-baked solution to SVN server timeouts

checkoutHammer

#! /bin/bash

### SVN CHECKOUT HAMMER
### Justin Carr : 11/8/2016
### A half-baked solution to SVN server timeouts.

## Globals
hammer="";
url="";
cleanTarget="";
messages=(
    "DROPPING THE HAMMER"
    "Aligning square peg with round hole ..."
    "More like Source Out-Of-Control, amirite? ... guys? ... where are you going?"
    "Preparing to loop Jeopardy theme ..."
    "Spam target sighted and locked ..."
    "This is the script that never ends. / Yes it goes on and on my friends."
    "What hath science wrought?"
)

## Function Definitions
function attemptCheckout(){

    echo "";
    svn checkout $url;

    R=$?;
    if [ $R == 0 ]; then
	echo "SVN checkout succeeded.";
	echo "Exiting ...";
	exit 0;
    else

	# If there was a timeout/etc, clean up the mess
	echo "";
	echo "SVN checkout failed.";
	echo "Cleaning ...";
	svn cleanup $cleanTarget;

	# Invite the user to retry (unless in hammer mode)
	if [[ "y" == $hammer || "Y" == $hammer ]]; then
	    echo "";
	    stupidStatusMessage;
	    attemptCheckout;
	else
	    echo "";
	    echo "Retry checkout? (y/n)";
	    read retry;
	    if [[ "y" == $retry || "Y" == $retry ]]; then
		attemptCheckout;
	    fi
	fi
	exit 1;
    fi 
}

function stupidStatusMessage(){
    length=${#messages[@]};
    index=$(($RANDOM % $length));
    chosen=${messages[$index]};
    echo $chosen;
}

## Main
echo "";
echo "*** SVN CHECKOUT HAMMER ***";

# Prompt for SVN target, use url to create local cleanup target
echo "";
echo "Where would you like to checkout from? (enter SVN server URL)";
read url;
cleanTarget=${url##*/svn/};
cleanTarget=${cleanTarget%/};

# Prompt for hammer mode
echo "";
echo "Would you like to hammer SVN until checkout succeeds? (y/n/a)";
read hammer;

if [[ "a" == $hammer || "A" == $hammer ]]; then
    echo "";
    echo "Aborting ...";
    exit 0;
elif [[ "y" == $hammer || "Y" == $hammer ]]; then
    echo "";
    stupidStatusMessage;
fi

attemptCheckout;