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MagicMirror/installers/upgrade-script.sh
Sam Detweiler 7d7ec1a00b updates for libc6++ on pi 0, node 10
2019-11-21 22:32:48 -06:00

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#!/bin/bash
# only DO npm installs when flag is set to 1
# test when set to 0
true=1
false=0
doinstalls=$false
force=$false
justActive=$true
test_run=$true
stashed=$false
keyFile=package.json
forced_arch=
git_active_lock='./.git/index.lock'
lf=$'\n'
git_user_name=
git_user_email=
trim() {
local var="$*"
# remove leading whitespace characters
var="${var#"${var%%[![:space:]]*}"}"
# remove trailing whitespace characters
var="${var%"${var##*[![:space:]]}"}"
echo -n "$var"
}
# is this a mac
mac=$(uname -s)
# get the processor architecture
arch=$(uname -m)
if [ $mac == 'Darwin' ]; then
cmd=greadlink
else
cmd=readlink
fi
if [ -d ~/MagicMirror ]; then
# put the log where the script is located
logdir=$(dirname $($cmd -f "$0"))
# if the script was execute from the web
if [[ $logdir != *"MagicMirror/installers"* ]]; then
# use the MagicMirror/installers folder
cd ~/MagicMirror/installers >/dev/null
logdir=$(pwd)
cd - >/dev/null
fi
logfile=$logdir/upgrade.log
echo the log will be $logfile
echo >>$logfile
date +"Upgrade started - %a %b %e %H:%M:%S %Z %Y" >>$logfile
echo system is $(uname -a) >> $logfile
echo the os is $(lsb_release -a) >> $logfile
# because of how its executed from the web, p0 gets overlayed with parm
# check to see if a parm was passed .. easy apply without editing
p0=$0
# if not 'bash', and some parm specified
if [ $0 != 'bash' -a "$1." != "." ]; then
# then executed locally
# get the parm
p0=$1
fi
# lowercase it.. watch out, mac stuff doesn't work with tr, etc
p0=$(echo $p0 | cut -c 1-5 | awk '{print tolower($0)}' )
if [ $p0 == 'apply' ]; then
echo user requested to apply changes >>$logfile
doinstalls=$true
test_run=$false
elif [ $p0 == 'force' ]; then
echo user requested to force apply changes >>$logfile
doinstalls=$true
force=$true
test_run=$false
fi
if [ $test_run == $true ]; then
echo doing test run = true | tee -a $logfile
else
echo doing test run = false | tee -a $logfile
fi
# if we want just the modules listed in config.js now
if [ $justActive == $true ]; then
if [ ! -f ~/MagicMirror/installers/dumpactivemodules.js ]; then
echo downloading dumpactivemodules script >> $logfile
curl -sL https://www.dropbox.com/s/wwe6bfg2lcjmj43/dumpactivemodules.js?dl=0 > ~/MagicMirror/installers/dumpactivemodules.js
fi
fi
echo update log will be in $logfile
# used for parsing the array of module names
SAVEIFS=$IFS # Save current IFS
IFS=$'\n'
echo | tee -a $logfile
# if the git lock file exists and git is not running
if [ -f git_active_lock ]; then
# check to see if git is actually running
git_running=`ps -ef | grep git | grep -v color | grep -v 'grep git' | wc -l`
# if not running
if [ git_running == $false ]; then
# clean up the dangling lock file
echo erasing abandonded git lock file >> $logfile
rm git_active_lock >/dev/null 2>&1
else
# git IS running, we can't proceed
echo it appears another instance of git is running | tee -a $logfile
# if this is an actual run
if [ $doinstalls == $true ]; then
# force it back to test run
doinstalls = $false
test_run=$true
echo forcing test run mode | tee -a $logfile
echo please resolve git running already and start the update again | tee -a $logfile
fi
fi
fi
# change to MagicMirror folder
cd ~/MagicMirror
# save custom.css
cd css
echo "saving custom.css" | tee -a $logfile
cp -p custom.css save_custom.css
cd - >/dev/null
save_alias=$(alias git 2>/dev/null)
lang=$(locale | grep LANGUAGE | awk -F= '{print $2}')
# make sure git respones are in english, so code works
if [ "$lang." != "en_US.UTF-8." ]; then
echo not english or locale not set, set git alias >>$logfile
if [ "$LC_ALL." == "." ]; then
alias git='LANGUAGE=en_US.UTF-8 git' >>$logfile
else
alias git='LC_ALL=en_US.UTF-8 git' >>$logfile
fi
#alias >>$logfile
fi
# get the git remote name
remote=$(git remote 2>/dev/null | awk '{print $1}')
# if remote name set
if [ "$remote." != "." ]; then
echo remote name = $remote >>$logfile
# get the local and remote package.json versions
local_version=$(grep -m1 version package.json | awk -F\" '{print $4}')
remote_version=$(curl -s https://raw.githubusercontent.com/MichMich/MagicMirror/master/package.json | grep -m1 version | awk -F\" '{print $4}')
# only change if they are different
if [ "$local_version." != "$remote_version." -o $force == $true -o $test_run == $true ]; then
echo upgrading from version $local_version to $remote_version | tee -a $logfile
# get the latest upgrade
echo fetching latest revisions | tee -a $logfile
git fetch $remote >/dev/null
rc=$?
echo git fetch rc=$rc >>$logfile
if [ $rc -eq 0 ]; then
# need to get the current branch
current_branch=$(git branch | grep "*" | awk '{print $2}')
echo current branch = $current_branch >>$logfile
git status 2>&1 >>$logfile
# get the names of the files that are different locally
diffs=$(git status 2>&1 | grep modified | awk -F: '{print $2}')
# split names into an array
diffs=($diffs) # split to array $diffs
# if there are different files (array size greater than zero)
if [ ${#diffs[@]} -gt 0 ]; then
package_lock=0
echo there are "${#diffs[@]}" local files that are different than the master repo | tee -a $logfile
echo | tee -a $logfile
for file in "${diffs[@]}"
do
echo "$file" | tee -a $logfile
if [ $(echo $file | grep '\-lock.json$' | wc -l) -eq 1 ]; then
package_lock=$true
fi
done
echo | tee -a $logfile
if [ $package_lock -eq 1 ]; then
echo "any *-lock.json files do not need to be saved"
fi
read -p "do you want to save these files for later (Y/n)?" choice
echo save/restore files selection = $choice >> $logfile
if [[ $choice =~ ^[Yy]$ ]]; then
git_user=$(git config --global --get user.email)
if [ "git_user." == "." ]; then
git_user_name="-c user.name=upgrade_script"
git_user_email="-c user.email=script@upgrade.com"
fi
git git_user_name git_user_email stash >>$logfile
stashed=$true
else
for file in "${diffs[@]}"
do
f="$(trim "$file")"
echo restoring $f from repo >> $logfile
if [ $test_run == $false ]; then
git checkout HEAD -- $f | tee -a $logfile
else
echo skipping restore for $f, doing test run | tee -a $logfile
fi
done
fi
else
echo no files different from github version >> $logfile
fi
# lets test merge, in memory, no changes to working directory or local repo
test_merge_output=$(git merge-tree `git merge-base $current_branch HEAD` HEAD $current_branch | grep "^<<<<<<<\|changed in both")
echo "test merge result rc='$test_merge_output' , if empty, no conflicts" >> $logfile
# if there were no conflicts reported
if [ "$test_merge_output." == "." ]; then
if [ $test_run == $false ]; then
# go ahead and merge now
echo "executing merge, apply specified" >> $logfile
# get the text output of merge
merge_output=$(git merge $remote/$current_branch 2>&1)
# and its return code
merge_result=$?
# make any long line readable
merge_output=$(echo $merge_output | tr '|' '\n'| sed "s/create/\\${lf}create/g" | sed "s/mode\ change/\\${lf}mode\ change/g")
echo -e "merge result rc= $merge_result\n $merge_output">> $logfile
else
echo "skipping merge, only test run" >> $logfile
merge_output=''
merge_result=0
fi
# if no merge errors
if [ $merge_result == 0 ]; then
# some updates applied
if [ "$merge_output." != 'Already up to date.' -o $test_run == $true ]; then
# update any dependencies for base
if [ $doinstalls == $true ]; then
# if this is a pi zero
echo processor architecture is $arch >> $logfile
if [ "$arch" == "armv6l" ]; then
# force to look like pi 2
echo forcing architecture armv7l >>$logfile
forced_arch='--arch=armv7l'
fi
echo "updating MagicMirror runtime, please wait" | tee -a $logfile
npm install $forced_arch 2>&1 | tee -a $logfile
done_update=`date +"completed - %a %b %e %H:%M:%S %Z %Y"`
echo npm install $done_update on base >> $ logfile
fi
# process updates for modules after base changed
cd modules
if [ $justActive == $true ]; then
# get the list of ACTIVE modules with package.json files
mtype=active
modules=$(node ../installers/dumpactivemodules.js)
else
# get the list of INSTALLED modules with package.json files
mtype=installed
modules=$(find -maxdepth 2 -name 'package.json' -printf "%h\n" | cut -d'/' -f2 )
fi
modules=($modules) # split to array $modules
# if the array has entries in it
if [ ${#modules[@]} -gt 0 ]; then
echo >> $logfile
echo "processing dependency changes for $mtype modules with package.json files" | tee -a $logfile
echo
for module in "${modules[@]}"
do
echo "processing for module" $module please wait | tee -a $logfile
echo '----------------------------------' | tee -a $logfile
# change to that directory
cd $module
# process its dependencies
if [ $doinstalls == $true ]; then
npm install $forced_arch 2>&1| tee -a $logfile
else
echo skipped processing for $module, doing test run | tee -a $logfile
fi
# return to modules folder
cd .. >/dev/null
echo "processing complete for module" $module | tee -a $logfile
echo
done
else
echo "no modules found needing npm refresh" | tee -a $logfile
fi
# return to Magic Mirror folder
cd .. >/dev/null
else
echo "no changes detected for modules, skipping " | tee -a $logfile
fi
else
echo there were merge errors | tee -a $logfile
echo $merge_output | tee -a %logfile
echo you should examine and resolve them | tee -a $logfile
echo using the command git log --oneline --decorate | tee -a $logfile
git log --oneline --decorate | tee -a $logfile
fi
else
echo "there are merge conflicts to be resolved, no changes have been applied" | tee -a $logfile
echo $test_merge_output | tee -a $logfile
fi
else
echo "MagicMirror git fetch failed" | tee -a $logfile
fi
else
echo "local version $local_version already same as master $remote_version" | tee -a $logfile
fi
else
echo "Unable to determine upstream git repository" | tee -a $logfile
fi
# should be in MagicMirror base
cd css
# restore custom.css
echo "restoring custom.css" | tee -a $logfile
cp -p save_custom.css custom.css
rm save_custom.css
cd - >/dev/null
if [ "$lang." != "en_US.UTF-8." ]; then
if [ "$save_alias." != "." ]; then
echo restoring git alias >>$logfile
$save_alias >/dev/null
else
echo removing git alias >>$logfile
unalias git >/dev/null
fi
fi
IFS=$SAVEIFS # Restore IFS
if [ $stashed == $true ]; then
if [ $test_run == $true ]; then
echo test run, restoring files stashed | tee -a $logfile
git git_user_name git_user_email stash pop >> $logfile
else
echo we stashed a set of files that appear changed from the latest repo versions. you should review them | tee -a $logfile
git stash show --name-only > installers/stashed_files
echo see installers/stashed_files for the list
echo
echo you can use git checkout "stash@{0}" -- filename to extract one file from the stash
echo
echo or git stash pop to restore them all
echo
echo WARNING..
echo WARNING.. either will overlay the file just installed by the update
echo WARNING..
fi
fi
# return to original folder
cd - >/dev/null
date +"Upgrade ended - %a %b %e %H:%M:%S %Z %Y" >>$logfile
else
echo It appears MagicMirror has not been installed on this system
echo please run the installer, "raspberry.sh" first
fi
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