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#!/bin/bash
export supertitle="FOSSEE Netbook Updates"
source easybashgui
#for Debugging
#set -x
testfile=robots.txt
files_in_all_commits=files_in_all_commits.txt
all_commits_one_liner_with_date=all_commits_one_liner_with_date.txt
all_commits_dates_with_file_paths=all_commits_dates_with_file_paths.txt
past_applied_commits=past_applied_commits.txt
local_updates=local_updates
unique_tags=unique_tags
[ ! -d $unique_tags ] && mkdir -p $unique_tags
updated_file=updates.txt
INET_AVAILABLE=0
generic_return_code='Working offline. Select Ok to continue.'
return_code_1="Unknown error occured. $generic_return_code"
return_code_3="File I/0 error. $generic_return_code"
return_code_4="Network failure. Unable to connect internet. $generic_return_code"
return_code_5="SSL verification failure. Check system date. $generic_return_code"
return_code_7="Protocol error. $generic_return_code"
return_code_8="Server error. $generic_return_code"
function clean_up() {
[ -f $testfile ] && rm $testfile
[ -f $files_in_all_commits ] && rm $files_in_all_commits
[ -f $all_commits_one_liner_with_date ] && rm $all_commits_one_liner_with_date
[ -f $all_commits_dates_with_file_paths ] && rm $all_commits_dates_with_file_paths
[ -f $past_applied_commits ] && rm $past_applied_commits
[ -d $local_updates ] && rm -rf $local_updates
}
function check_internet() {
#wait_for internet
for each in {fossee.in,github.com};
do
wget $each/$testfile &> /dev/null
return_code=$?
[ $return_code -eq 0 ] && INET_AVAILABLE=1 && break
[ $return_code -eq 1 ] && alert_message $return_code_1 && break
[ $return_code -eq 3 ] && alert_message $return_code_3 && break
[ $return_code -eq 4 ] && alert_message $return_code_4 && break
[ $return_code -eq 5 ] && alert_message $return_code_5 && break
[ $return_code -eq 7 ] && alert_message $return_code_7 && break
done
[ $return_code -eq 8 ] && alert_message $return_code_8
}
#fetch updates from github and show
function format_list_updates() {
#make a local copy for editing
[ $INET_AVAILABLE -eq 1 ] && git log --pretty=\;\(%ar\)\;%d\;%s\;\(%h\) --no-walk --tags >\
$all_commits_one_liner_with_date
for each in $(cat $all_commits_one_liner_with_date | cut -d ';' -f 5 | tr -d '(|)')
do
files_in_each_commit=$(git show --first-parent --pretty="format:" --name-only $each)
echo $files_in_each_commit | tr ' ' ',' >> $files_in_all_commits
done
paste -d ';' $all_commits_one_liner_with_date \
$files_in_all_commits | \
awk 'BEGIN{FS=";";OFS=";"} {$1="[Not Updated]"} 1' > \
$all_commits_dates_with_file_paths
}
function select_updates() {
for hash in $(cat unique_tags/*);
do
line=$(grep -on $hash $all_commits_dates_with_file_paths | cut -d ':' -f 1);\
sed -i $line's/\[Not\ Updated\]/\[Updated\]/g' $all_commits_dates_with_file_paths;
done
selected_update=$(menu -w 1000 -h 550 "$(cat $all_commits_dates_with_file_paths | \
cut -d ';' -f 1,2,3,4,5| tr ';' ' ' )" 2>&1)
[ $? -eq 1 ] && exit 0
#get hash for selected_update
selected_hash=$(echo $selected_update | grep -o \([0-9a-z]*\) | tr -d '(|)')
selected_tag=$(echo $selected_update | grep -o \(tag:\ [A-Za-z0-9._-]*\) | sed 's/(tag:\ //' |sed 's/)//')
#At a time only one version from associated tag
find $unique_tags -iname $(echo $selected_tag | cut -d '-' -f 1)\* | grep '' && [ $? -eq 0 ] && \
rm $(find $unique_tags -iname $(echo $selected_tag | cut -d '-' -f 1)\*)
echo $selected_hash > $unique_tags/$selected_tag
files_in_selected_hash=$(grep $selected_hash $all_commits_dates_with_file_paths | cut -d ';' -f6)
#for more than one file
for each_file in $(echo $files_in_selected_hash|tr ',' '\n');
do
mkdir -p $local_updates/$(dirname $each_file)
git show $selected_hash:$each_file>$local_updates/$each_file
done
}
function sudoAccess() {
[ $EUID != 0 ] && sudo -S echo "success" >/dev/null
}
function apply_updates() {
question "Update done. Select 'Ok' to revisit update selection menu. Select 'Cancel to 'Quit' this program"
[ $? -eq 1 ] && exit 0
call_functions
}
function call_functions() {
#Function calls
clean_up
check_internet
format_list_updates
select_updates
sudoAccess
apply_updates
}
# __init__
call_functions
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