Branches und Tags in einem Fork von Upstream synchen

Manchmal ist es notwendig, einen Fork auf den aktuellen Stand zu bringen und dabei auch die Branches und Tags aus dem Upstream zu übernehmen, z.B. für Mkdocs Material Insiders notwendig, da die Pull-App versagt...

1. Fork lokal clonen
2. Upstream Remote anlegen

      git remote add upstream <REPO-URL>
      git pull upstream
   

3. Skript zur Synchronisation anlegen (sync.sh) ¹:

      ## Checkout all branches from remote as tracking branches. Based on    https://stackoverflow.com/questions/379081/track-all-remote-git-branches-as-local-branches/6300386#6300386
   
      UPSTREAM=$1
      MYREPO=$2
   
      usage() {
         echo "Usage:"
         echo "$0 <upstream-remote> <target-remote>"
         echo ""
         echo "Example which ensures remote named 'maxandersen' have all the same branches and tags as 'origin'"
         echo "$0 origin maxandersen"
         exit 1
      }
   
      if [ -z "$UPSTREAM" ]
      then
         echo Missing upstream remote name.
         usage
      fi
   
      if [ -z "$MYREPO" ]
      then
         echo Missing target remote name. 
         usage
      fi
   
      read -p "1. This will setup '$MYREPO' to track all branches in '$UPSTREAM' - Are you sure ?" -n 1 -r
   
      if [[ $REPLY =~ ^[Yy]$ ]]
      then
         for brname in `git branch -r | grep "$UPSTREAM" | grep -v master | grep -v HEAD | sed -e 's/.*\///g'`; do git branch --track $brname  $UPSTREAM/$brname ; done
      fi
   
      read -p "2. This will push all local branches and tags into '$MYREPO' - Are you sure ?" -n 1 -r
   
      if [[ $REPLY =~ ^[Yy]$ ]]
      then
         git push --all $MYREPO
         git push --tags $MYREPO
      fi
   

4. synchronisieren mit ./sync.sh upstream origin

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1. How to update my fork to have the same branches and tags as the original repository on github? Stackoverflow ↩