# command
git checkout -
# details
: 'This command allows you to quickly switch to the previously checked out
branch. On a general note - is an alias for the previous branch. It can be
used with other commands as well. I aliased checkout to co so, it becomes
just git co -'
git checkout -
git checkout 1258f0d0aae #detach from master
git branch -f master HEAD #exactly as above
#optionally reattach to master
git checkout master