cd Programme/pc-git/
git status
git pull
pico README.md
# change added
git add README.md
git commit -m "1st try" 
git status
git pull
# remote had a commit in between, therefore it did not work
# automatically, a "Merge branch 'master'" commit got created, even though I did not want to.
git status
git log
git switch c6c5265e4054805084f96ff796ed06326959fb26
git switch --detach c6c5265e4054805084f96ff796ed06326959fb26
git log
git pull --rebase
# did not work, my commit is lost
git branch
git checkout master
# going back to where we started
git log
git reset c6c5265e4054805084f96ff796ed06326959fb26
# going back to the commit before my 1st commit
git log
git status
git pull --rebase
# worked, finally
git status
# my commit is lost again
git diff README.md
# my changes are back in the file
# I have to make all my commit(s) again => double committing work
# this could be very painful for larger changes
git add README.md 
git commit -m "2nd try"
# my "1st try" commit is back!?
# my "2nd try" commit magically disappeared
git pull --rebase
git log
git status
git diff
pico README.md 
# another change added to demonstrate "git pull --rebase" is blocked
git status
git pull --rebase
# does not work when uncommited changes are present!?
# ... even though there are no conflicting changes at all!
# I want to revert my previous local change...
git revert README.md
# does not work
git reset README.md
# does not work
echo "giving up with git"
exit