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Diffstat (limited to 'update-tool/patcher.sh')
| -rwxr-xr-x | update-tool/patcher.sh | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/update-tool/patcher.sh b/update-tool/patcher.sh new file mode 100755 index 0000000..88c52fe --- /dev/null +++ b/update-tool/patcher.sh @@ -0,0 +1,248 @@ +#!/bin/bash + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# This program is intended to write/copy images to any media or drive. + +# This script depends on 'easybashgui'. +# The password function has extra dependency on 'zenity' & 'dialog' +# programs, which can be modified to work with other libraries too + + +# For title of each Window +export supertitle="FOSSEE Netbook Updates" +source easybashgui + +# For global debugging(open flood gates) +#set -x + +# Get the PATH of the running script +DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd ) +# For local debugging +logfile=$DIR/patcher.log +# Intermediate files/directories. Will be removed after each interation +testfile=robots.txt +files_in_all_commits=$DIR/files_in_all_commits.txt +all_commits_one_liner_with_date=$DIR/all_commits_one_liner_with_date.txt +all_commits_dates_with_file_paths=$DIR/all_commits_dates_with_file_paths.txt +past_applied_commits=$DIR/past_applied_commits.txt +local_updates=$DIR/local_updates +unique_tags=$DIR/unique_tags + [ ! -d $unique_tags ] && mkdir -p $unique_tags +# Default is no internet +INET_AVAILABLE=0 + +# Its good to have them together +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. $generic_return_code" + +# ===================================================================================== +# Functions in order they get called # +# ===================================================================================== + +function clean_up() { + echo "=========================== New iteration =========================">>$logfile + date >> $logfile + [ -f $testfile ] && rm -v $testfile>>$logfile + [ -f $files_in_all_commits ] && rm -v $files_in_all_commits>>$logfile + [ -f $all_commits_one_liner_with_date ] && rm -v $all_commits_one_liner_with_date>>$logfile + [ -f $all_commits_dates_with_file_paths ] && rm -v $all_commits_dates_with_file_paths>>$logfile + [ -f $past_applied_commits ] && rm -v $past_applied_commits>>$logfile + [ -d $local_updates ] && rm -rvf $local_updates/>>$logfile + +} + +# ====================================================================================== + +function check_internet() { + #wait_for internet + for each in {fossee.in,github.com}; + do + wget -P $DIR $each/$testfile &> /dev/null + return_code=$? + [ $return_code -eq 0 ] && INET_AVAILABLE=1 && break + [ $return_code -eq 1 ] && alert_message -w 300 -h 100 $return_code_1 && break + [ $return_code -eq 3 ] && alert_message -w 300 -h 100 $return_code_3 && break + [ $return_code -eq 4 ] && alert_message -w 300 -h 100 $return_code_4 && break + [ $return_code -eq 5 ] && alert_message -w 300 -h 100 $return_code_5 && break + [ $return_code -eq 7 ] && alert_message -w 300 -h 100 $return_code_7 && break + done + [ $return_code -eq 8 ] && alert_message -w 300 -h 100 $return_code_8 +} + +# ====================================================================================== + +# Fetch updates if internet is available and formulate a CSV +function list_updates() { + # If internet available just merge the changes (won't update patches automatically) + #cd $DIR && [ $INET_AVAILABLE -eq 1 ] && git tag -l | xargs git tag -d && git pull &>/dev/null + # Create CSV of commits with only tags( git tags are used to group similar patches) + cd $DIR && git log --pretty=\;\(%ar\)\;%d\;%s\;\(%h\) --no-walk --tags >\ + $all_commits_one_liner_with_date + # Find out files in each commit(with tag) + for each in $(cat $all_commits_one_liner_with_date | cut -d ';' -f 5 | tr -d '(|)') + do + files_in_each_commit=$(cd $DIR && git show --first-parent --pretty="format:" --name-only $each) + echo $files_in_each_commit | tr ' ' ',' >> $files_in_all_commits + done + # Create a file with [Not Updated] flag on the first column for all the tags, we will + # selectively change it to [Updated] based on previously applied patches(git tags) + paste -d ';' $all_commits_one_liner_with_date \ + $files_in_all_commits | \ + awk 'BEGIN{FS=";";OFS=";"} {$1="[Not Updated]"} 1' > \ + $all_commits_dates_with_file_paths +} + +# ====================================================================================== + +function check_past_updates() { + # If no new/old update available, just quit (Ignoring HEAD based tags to avoid confusion) + no_updates=$(cat $all_commits_dates_with_file_paths | sed '/HEAD/d' | wc -c) + [ $no_updates -eq 0 ] && alert_message -w 400 -h 250 "No updates available !!!" && exit 0 + # Look for previously applied updates(git tags) + 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' $all_commits_dates_with_file_paths; + done +} + + +# ====================================================================================== + +function select_updates() { + # Show updates using 'menu' of 'easybashgui' + selected_update=$(menu -w 900 -h 550 "$(cat $all_commits_dates_with_file_paths | sed '/HEAD/d' | \ + 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/)//') +} + + +# ====================================================================================== + +function generate_commit_files() { + # At a time only one version from similar group of tags will be applied, for eg: AudioMic-1 and + # AudioMic-2 (tags) can't be applied simultaneously as they might point to same file + 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)\*) + # This will help identifying the unique tags among group of tags(commits/patches) + echo $selected_hash > $unique_tags/$selected_tag + # This for loop creates a copy of file(s) from given tag/commit + files_in_selected_hash=$(grep $selected_hash $all_commits_dates_with_file_paths | cut -d ';' -f6) + # For more than one file in a commit + for each_file in $(echo $files_in_selected_hash|tr ',' '\n'); + do + mkdir -pv $local_updates/$(dirname $each_file)>>$logfile + cd $DIR && git show $selected_hash:$each_file>$local_updates/$each_file + #echo "$selected_hash,$selected_tag">>$logfile + done +} + +# ====================================================================================== + +function sudo_access() { +# Clear remember password +sudo -K +# The only place 'easybashgui' fails. So adding separate functions for both tty(consoles) +# and pts(terminals). If tty not found, it returns 1, and 'zenity' is used + +if [ ! -z $(pidof X) ] ; then + +while true + do + password=$(zenity --title "FOSSEE Netbook Updates" --password) + # zenity dialog button 'Cancel' returns 1, and 'Yes' returns 0. + [ $? -eq 1 ] && exit 0 + echo $password | sudo -S echo "test">/dev/null + # If wrong password then brek + [ $? -eq 0 ] && break + done +else + +while true + do + password=$(dialog --title "FOSSEE Netbook Updates" \ + --clear \ + --passwordbox "Enter your password" 10 30 \ + --stdout) + [ $? -eq 1 ] && exit 0 + echo $password | sudo -S echo "test">/dev/null + # If wrong password then brek + [ $? -eq 0 ] && break + done +fi +} + +# ====================================================================================== + +function apply_updates() { + question -w 400 -h 150 "Do you want to apply the selected update?\\nThis may install/update the following file(s): '/$files_in_selected_hash'" 2>&1 + [ $? -eq 1 ] && exit 0 + for each_file in $(echo $files_in_selected_hash | tr ',' '\n'); + do + echo "##### applying updates #####">>$logfile + [ -d /$(dirname each_file) ] && sudo mkdir -pv $(dirname /$each_file)>>$logfile; + sudo mv -v $local_updates/$each_file /$each_file>>$logfile + done + question -w 400 -h 150 "Successfully Updated!\\n\\nSelect 'Yes' to close this application. Select 'Cancel' to relaunch update selection menu" + [ $? -eq 0 ] && exit 0 + main +} + + +# ====================================================================================== + +function spl_kernel_manage() { + + # environment variables + kernel_image=$DIR/uzImage.bin + ramdisk_image=$DIR/initrd.img + boot_part=/dev/mtd4 + + mkbootimg --kernel $kernel_image --ramdisk $ramdisk_image -o /tmp/boot.img + sync + echo 0 > /sys/module/yaffs/parameters/yaffs_bg_enable + flash_erase $boot_part 0 0 + nandwrite -p $boot_part /tmp/boot.img + sync + echo 1 > /sys/module/yaffs/parameters/yaffs_bg_enable +} + +# ====================================================================================== + +function main() { +#Function calls + clean_up + # Next function is handled by init.sh script in same directory + #check_internet + list_updates + check_past_updates + select_updates + generate_commit_files + sudo_access + apply_updates + # Comment next function if you are not using FOSSEE netbook + #spl_kernel_manage +} + + +# ====================================================================================== + +# __init__ +main |