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#!/bin/bash
INET_AVAILABLE=0
#<check internet> handles both network and internet availability
function check_internet() {
for each in {fossee.in,spoken-tutorial.org}; do
wget $each/robots.txt &> /dev/null
return_code=$?
[ $return_code -eq 0 ] && INET_AVAILABLE=1
[ $return_code -eq 4 ] && echo 'Please connect to internet!'
[ $return_code -eq 5 ] && echo 'Please check the system date!'
[ $return_code -eq 8 ] && echo 'Server error'
done
[ $INET_AVAILABLE -eq 0 ] && exit 0
}
#<fetch updates> from github and show
function fetch_updates() {
UPDATES=$(git fetch &> /dev/null && \
comm --nocheck-order -3 \
<(git log --all --pretty="%H")\
<(git log --pretty="%H"))
git show -s --format=%B $UPDATES
}
check_internet
fetch_updates
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