#!/bin/bash
set -v
# Removed because wget errors with error 8 (Server issued an error response.)
#set -e

## This script will scan www.taler.net for broken links and e-mail a copy of the log if any are found.

logfile="linkchecker.log"

# Remove old log

if [ -f "$logfile" ]
	then
		echo $logfile " exists.  Moving to" $logfile".old."
		mv $logfile $logfile.old
	else
		echo "Info: existing log file '$logfile' not found."
fi

# Use wget to scan hosts and save output
wget --spider -r -nd -nv -H -l 1 -w 2 -o $logfile https://www.taler.net/
wget --spider -r -nd -nv -H -l 1 -w 2 -a $logfile https://docs.taler.net/
wget --spider -r -nd -nv -H -l 1 -w 2 -a $logfile https://taler-systems.net/
wget --spider -r -nd -nv -H -l 1 -w 2 -a $logfile https://demo.taler.net/
wget --spider -r -nd -nv -H -l 1 -w 2 -a $logfile https://bank.demo.taler.net/
wget --spider -r -nd -nv -H -l 1 -w 2 -a $logfile https://shop.demo.taler.net/
wget --spider -r -nd -nv -H -l 1 -w 2 -a $logfile https://donations.demo.taler.net/
wget --spider -r -nd -nv -H -l 1 -w 2 -a $logfile https://survey.demo.taler.net/

# display logfile
echo
echo "Displaying contents of logfile"
cat $logfile

# Search the log for the phrase "broken link" as this is what wget will report
if grep -iRl 'broken link!!' $logfile
	then
		echo "Found broken links.  Build should fail (exit 1), triggering e-mail notification."
		exit 1
	else
		echo "No broken links found.  Nothing more to do."
		exit 0
fi