Read the statement by Michael Teeuw here.
How to update the master branch?
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 Seems like you’ve changed some of the files in the MagicMirror directory. If you want to upgrade you’ll have to stash the changes. run git stashin your MagicMirror directory, then rungit pull. Stashing wont affect your config.js or any modules you’ve installed into your modules directory.Edit 
 @ninjabreadman’s has a better fix for you than I do.
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 @PaulB First, make a backup of your install with cp -r ~/MagicMirror ~/MM-Backup. Then rungit stashin~/MagicMirrorto temporarily stash your changes so thatgitcan merge all those new commits.To merge, run git pullto update your MM install, then usenpm installto upgrade or install any new dependencies to the appropriate version.Once complete, run git stash applyto reintroduce your changes (while also keeping them in the stash) – you may need to deconflict or otherwise review these changes. You can see your changes withgit diff.Once you’re happy and MM is running smoothly, you can git stash dropto get rid of the stash. You can runrm -rf ~/MM-Backuponce you’re content it’s all working as it should.Finally, I recommend you take the opportunity to also run sudo apt-get update && sudo apt-get dist-upgrade npm && sudo dist-upgrade pm2(I thinknodejsshould upgrade as a dependency ofnpmbut could be wrong).
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 @mochman Thanks! Sorry I subposted on you; I was writing on my phone (so didn’t see your post), plus Mobile Safari really hates the compose window of NodeBB, so it takes forever to post anything decent). That and autocorrect really hates gitandnpm. Cheers. ;)
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 Thanks guys, I have one more to upgrade. And figure out why MMM-Traffic won’t upgrade, but I think you way around would help that to. 
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 cd ~/MagicMirror/modules/MMM-Traffic git pullRestart your MagicMirror and you should be good to go. ;) 
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 @ninjabreadman said in How to update the master branch?: @PaulB First, make a backup of your install with cp -r ~/MagicMirror ~/MM-Backup.Noo! Not a good idea if you’re running on a RPi with small SD card. That is a huge directory: du -sh ./~1.3GB, already for a quite small install. You might need that space for the update itself. Never good idea to max out your SD card.Rather use tar, and try one of these:cd ~ # remove `v` flag to avoid huge verbose output tar --exclude={.git,node_modules} -zcvf MM_BAK.tgz ./MagicMirror tar --exclude='node_modules' --exclude='.git' -zcvf MM_BAK.tgz ./MagicMirror # This may require you to have the bash shell option globstar' set. # Check with: 'shopt -s globstar' tar --exclude='**/.git/*' --exclude='**/node_modules/*' -zcvf MM_BAK.tgz ./MagicMirrorThis will avoid getting the huge node_modules and .git directories. 
 (You can always git init and reset your git origin url to git fetch from the resp directories if needed to re-instate.)
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 if you are using mm as supposed to you only need to backup the config.js and custom.css 
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 @e3v3a I take your point; in my case I’m running a reasonable size card and Raspbian/MM are all that is on the card. I do also mention to delete MM-Backupwhen they’re done. I really just wanted to give them the extra insurance of a full backup. Good call ontar, but they then need to know how to unpack it.@strawberry-3.141 If you’re using git to stash changes, then you’ve clearly modified other files (IIRC, config.jsand maybecustom.cssare ignored). As above, I just wanted to give extra assurance that they had a full copy if anything went totally awry.
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 Hallo, noob braucht hilfe =) Wie kann ich bei dieser Fehlermeldung updaten? pi@raspberrypi:~ $ cd ~/MagicMirror && git pull Aktualisiere 8010e62..60b9a5b error: Your local changes to the following files would be overwritten by merge: modules/default/calendar/calendar.js modules/default/compliments/compliments.js
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 @ninjabreadman - I tried to update accordingly your reply but i’m stranded. After git stashthe system tells mepi@magicpi:~/MagicMirror $ git stash *** Please tell me who you are. Run git config --global user.email "you@example.com" git config --global user.name "Your Name" to set your account's default identity. Omit --global to set the identity only in this repository. fatal: unable to auto-detect email address (got 'pi@magicpi.(none)') Cannot save the current index stateI don’t know how to react on this, you? 



