Git Tips

  ### fetch origin "FROM" : "TO"
  fetch = +refs/heads/master:refs/remotes/origin/master

  git fetch origin master:refs/remotes/origin/mymaster
  git fetch origin master:refs/remotes/origin/mymaster
            topic:refs/remotes/origin/topic

• What happened after one commit

  git instaweb --httpd=lighttpd

  ### anything need push
  git remote show origin

  ### init new repos
  git clone --bare my_project my_project.git

  git reset --hard 7e83

  git checkout 82f5 [-b branch_name]  This takes you back in time, while preserving newer commits.
  git checkout :/"my first brach"         Jump to the commit that starts with a given message.
  git checkout master~5                   5th last saved state.(BRANCH_NAME~number)

  git whatchanged
  git cherry-pick

  git rebase
  git rebase -I HEAD~10   modify last 10 commits
  git commit --amend

  git filter-branch --tree-filter 'rm top/sececre/file' HEAD  remove file from all commit

  git bundle

  git branch -r

  ###diff with remote branch,a.k. what are local change
  git diff remotes/HEAD

  git reflog