git.md

• https://stackoverflow.com/questions/2563632/how-can-i-merge-two-commits-into-one

  for merging two commits
    git reset --soft "HEAD^"
      git commit --amend
  for merging more than two (say x wher x is integer)recent commits
   git reset --soft HEAD~x
  

• https://stackoverflow.com/questions/31874670/merge-parent-branch-into-child-branch

• https://stackoverflow.com/questions/6836461/updating-the-current-branch-from-parent-branch

• https://stackoverflow.com/questions/2003505/how-do-i-delete-a-git-branch-both-locally-and-remotely

• https://www.sap.com/india/developer/tutorials/webide-github-merge-pull-request.html

• git branch -f [branchname] commit x(where x is an integer)

• git reset HEAD~1 not good
• git revert branchname good
• git checkout commitname
• git checkout HEAD^
• git checkout HEAD~x
• copying some work from branch to some branch

  git cherry-pick c2 c4

• interactive rebase

  git rebase -i

• git rebase -i branchname --solution-ordering C3,C5,C4