git.md

Undo last n commits. After running the command, you'll find the changes as uncommitted local modifications in your working copy.

git reset --soft HEAD~1

Undo last n commits. After running the command, the last changes are not longer available.

$ git reset --hard HEAD~1

Update file permissions on file(s), here add execution permissions on all sh files in the current directory

git update-index --chmod=+x *.sh

Revert merge commit to a previous state

To find the merge commit to revert

git log 

• -m 1 is the first parent, i.e. the commit where merge was merged into
• -n doesn't commit automatically

git revert -m 1 -n <merge-commit>