A---B---C master on origin
/
D---E---F---G master
+ ^
+ origin/master in your repository
------------
Then "`git pull`" will fetch and replay the changes from the remote
and a log message from the user describing the changes.
------------
- A---B---C remotes/origin/master
+ A---B---C origin/master
/ \
D---E---F---G---H master
------------