how to sync branch in git code example

Example 1: git sync branch with master

git checkout master
git pull
git checkout mybranch
git merge master


# to keep mybranch in sync with master

# then when you're ready to put mobiledevicesupport into master, first merge in master like above, then ...

git checkout master
git merge mybranch
git push origin master

Example 2: git sync branches

git fetch origin
git reset --hard origin/master
git clean -f -d

#If you want to retain the changes as unstaged files, use --soft instead of --hard.
#WARNING: All your untracked files will be gone when you do git clean -f -d.